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Unified Diff: third_party/sqlite/sqlite-src-3070603/src/shell.c

Issue 949043002: Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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Index: third_party/sqlite/sqlite-src-3070603/src/shell.c
diff --git a/third_party/sqlite/sqlite-src-3070603/src/shell.c b/third_party/sqlite/sqlite-src-3070603/src/shell.c
new file mode 100644
index 0000000000000000000000000000000000000000..aab70b29db45a244fe78bd11101f6902e8b235ba
--- /dev/null
+++ b/third_party/sqlite/sqlite-src-3070603/src/shell.c
@@ -0,0 +1,2909 @@
+/*
+** 2001 September 15
+**
+** The author disclaims copyright to this source code. In place of
+** a legal notice, here is a blessing:
+**
+** May you do good and not evil.
+** May you find forgiveness for yourself and forgive others.
+** May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This file contains code to implement the "sqlite" command line
+** utility for accessing SQLite databases.
+*/
+#if defined(_WIN32) || defined(WIN32)
+/* This needs to come before any includes for MSVC compiler */
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <assert.h>
+#include "sqlite3.h"
+#include <ctype.h>
+#include <stdarg.h>
+
+#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__)
+# include <signal.h>
+# if !defined(__RTP__) && !defined(_WRS_KERNEL)
+# include <pwd.h>
+# endif
+# include <unistd.h>
+# include <sys/types.h>
+#endif
+
+#ifdef __OS2__
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_EDITLINE
+# include <editline/editline.h>
+#endif
+#if defined(HAVE_READLINE) && HAVE_READLINE==1
+# include <readline/readline.h>
+# include <readline/history.h>
+#endif
+#if !defined(HAVE_EDITLINE) && (!defined(HAVE_READLINE) || HAVE_READLINE!=1)
+# define readline(p) local_getline(p,stdin)
+# define add_history(X)
+# define read_history(X)
+# define write_history(X)
+# define stifle_history(X)
+#endif
+
+#if defined(_WIN32) || defined(WIN32)
+# include <io.h>
+#define isatty(h) _isatty(h)
+#define access(f,m) _access((f),(m))
+#else
+/* Make sure isatty() has a prototype.
+*/
+extern int isatty();
+#endif
+
+#if defined(_WIN32_WCE)
+/* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty()
+ * thus we always assume that we have a console. That can be
+ * overridden with the -batch command line option.
+ */
+#define isatty(x) 1
+#endif
+
+/* True if the timer is enabled */
+static int enableTimer = 0;
+
+#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) && !defined(__RTP__) && !defined(_WRS_KERNEL)
+#include <sys/time.h>
+#include <sys/resource.h>
+
+/* Saved resource information for the beginning of an operation */
+static struct rusage sBegin;
+
+/*
+** Begin timing an operation
+*/
+static void beginTimer(void){
+ if( enableTimer ){
+ getrusage(RUSAGE_SELF, &sBegin);
+ }
+}
+
+/* Return the difference of two time_structs in seconds */
+static double timeDiff(struct timeval *pStart, struct timeval *pEnd){
+ return (pEnd->tv_usec - pStart->tv_usec)*0.000001 +
+ (double)(pEnd->tv_sec - pStart->tv_sec);
+}
+
+/*
+** Print the timing results.
+*/
+static void endTimer(void){
+ if( enableTimer ){
+ struct rusage sEnd;
+ getrusage(RUSAGE_SELF, &sEnd);
+ printf("CPU Time: user %f sys %f\n",
+ timeDiff(&sBegin.ru_utime, &sEnd.ru_utime),
+ timeDiff(&sBegin.ru_stime, &sEnd.ru_stime));
+ }
+}
+
+#define BEGIN_TIMER beginTimer()
+#define END_TIMER endTimer()
+#define HAS_TIMER 1
+
+#elif (defined(_WIN32) || defined(WIN32))
+
+#include <windows.h>
+
+/* Saved resource information for the beginning of an operation */
+static HANDLE hProcess;
+static FILETIME ftKernelBegin;
+static FILETIME ftUserBegin;
+typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME, LPFILETIME, LPFILETIME);
+static GETPROCTIMES getProcessTimesAddr = NULL;
+
+/*
+** Check to see if we have timer support. Return 1 if necessary
+** support found (or found previously).
+*/
+static int hasTimer(void){
+ if( getProcessTimesAddr ){
+ return 1;
+ } else {
+ /* GetProcessTimes() isn't supported in WIN95 and some other Windows versions.
+ ** See if the version we are running on has it, and if it does, save off
+ ** a pointer to it and the current process handle.
+ */
+ hProcess = GetCurrentProcess();
+ if( hProcess ){
+ HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll"));
+ if( NULL != hinstLib ){
+ getProcessTimesAddr = (GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes");
+ if( NULL != getProcessTimesAddr ){
+ return 1;
+ }
+ FreeLibrary(hinstLib);
+ }
+ }
+ }
+ return 0;
+}
+
+/*
+** Begin timing an operation
+*/
+static void beginTimer(void){
+ if( enableTimer && getProcessTimesAddr ){
+ FILETIME ftCreation, ftExit;
+ getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelBegin, &ftUserBegin);
+ }
+}
+
+/* Return the difference of two FILETIME structs in seconds */
+static double timeDiff(FILETIME *pStart, FILETIME *pEnd){
+ sqlite_int64 i64Start = *((sqlite_int64 *) pStart);
+ sqlite_int64 i64End = *((sqlite_int64 *) pEnd);
+ return (double) ((i64End - i64Start) / 10000000.0);
+}
+
+/*
+** Print the timing results.
+*/
+static void endTimer(void){
+ if( enableTimer && getProcessTimesAddr){
+ FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd;
+ getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelEnd, &ftUserEnd);
+ printf("CPU Time: user %f sys %f\n",
+ timeDiff(&ftUserBegin, &ftUserEnd),
+ timeDiff(&ftKernelBegin, &ftKernelEnd));
+ }
+}
+
+#define BEGIN_TIMER beginTimer()
+#define END_TIMER endTimer()
+#define HAS_TIMER hasTimer()
+
+#else
+#define BEGIN_TIMER
+#define END_TIMER
+#define HAS_TIMER 0
+#endif
+
+/*
+** Used to prevent warnings about unused parameters
+*/
+#define UNUSED_PARAMETER(x) (void)(x)
+
+/*
+** If the following flag is set, then command execution stops
+** at an error if we are not interactive.
+*/
+static int bail_on_error = 0;
+
+/*
+** Threat stdin as an interactive input if the following variable
+** is true. Otherwise, assume stdin is connected to a file or pipe.
+*/
+static int stdin_is_interactive = 1;
+
+/*
+** The following is the open SQLite database. We make a pointer
+** to this database a static variable so that it can be accessed
+** by the SIGINT handler to interrupt database processing.
+*/
+static sqlite3 *db = 0;
+
+/*
+** True if an interrupt (Control-C) has been received.
+*/
+static volatile int seenInterrupt = 0;
+
+/*
+** This is the name of our program. It is set in main(), used
+** in a number of other places, mostly for error messages.
+*/
+static char *Argv0;
+
+/*
+** Prompt strings. Initialized in main. Settable with
+** .prompt main continue
+*/
+static char mainPrompt[20]; /* First line prompt. default: "sqlite> "*/
+static char continuePrompt[20]; /* Continuation prompt. default: " ...> " */
+
+/*
+** Write I/O traces to the following stream.
+*/
+#ifdef SQLITE_ENABLE_IOTRACE
+static FILE *iotrace = 0;
+#endif
+
+/*
+** This routine works like printf in that its first argument is a
+** format string and subsequent arguments are values to be substituted
+** in place of % fields. The result of formatting this string
+** is written to iotrace.
+*/
+#ifdef SQLITE_ENABLE_IOTRACE
+static void iotracePrintf(const char *zFormat, ...){
+ va_list ap;
+ char *z;
+ if( iotrace==0 ) return;
+ va_start(ap, zFormat);
+ z = sqlite3_vmprintf(zFormat, ap);
+ va_end(ap);
+ fprintf(iotrace, "%s", z);
+ sqlite3_free(z);
+}
+#endif
+
+
+/*
+** Determines if a string is a number of not.
+*/
+static int isNumber(const char *z, int *realnum){
+ if( *z=='-' || *z=='+' ) z++;
+ if( !isdigit(*z) ){
+ return 0;
+ }
+ z++;
+ if( realnum ) *realnum = 0;
+ while( isdigit(*z) ){ z++; }
+ if( *z=='.' ){
+ z++;
+ if( !isdigit(*z) ) return 0;
+ while( isdigit(*z) ){ z++; }
+ if( realnum ) *realnum = 1;
+ }
+ if( *z=='e' || *z=='E' ){
+ z++;
+ if( *z=='+' || *z=='-' ) z++;
+ if( !isdigit(*z) ) return 0;
+ while( isdigit(*z) ){ z++; }
+ if( realnum ) *realnum = 1;
+ }
+ return *z==0;
+}
+
+/*
+** A global char* and an SQL function to access its current value
+** from within an SQL statement. This program used to use the
+** sqlite_exec_printf() API to substitue a string into an SQL statement.
+** The correct way to do this with sqlite3 is to use the bind API, but
+** since the shell is built around the callback paradigm it would be a lot
+** of work. Instead just use this hack, which is quite harmless.
+*/
+static const char *zShellStatic = 0;
+static void shellstaticFunc(
+ sqlite3_context *context,
+ int argc,
+ sqlite3_value **argv
+){
+ assert( 0==argc );
+ assert( zShellStatic );
+ UNUSED_PARAMETER(argc);
+ UNUSED_PARAMETER(argv);
+ sqlite3_result_text(context, zShellStatic, -1, SQLITE_STATIC);
+}
+
+
+/*
+** This routine reads a line of text from FILE in, stores
+** the text in memory obtained from malloc() and returns a pointer
+** to the text. NULL is returned at end of file, or if malloc()
+** fails.
+**
+** The interface is like "readline" but no command-line editing
+** is done.
+*/
+static char *local_getline(char *zPrompt, FILE *in){
+ char *zLine;
+ int nLine;
+ int n;
+ int eol;
+
+ if( zPrompt && *zPrompt ){
+ printf("%s",zPrompt);
+ fflush(stdout);
+ }
+ nLine = 100;
+ zLine = malloc( nLine );
+ if( zLine==0 ) return 0;
+ n = 0;
+ eol = 0;
+ while( !eol ){
+ if( n+100>nLine ){
+ nLine = nLine*2 + 100;
+ zLine = realloc(zLine, nLine);
+ if( zLine==0 ) return 0;
+ }
+ if( fgets(&zLine[n], nLine - n, in)==0 ){
+ if( n==0 ){
+ free(zLine);
+ return 0;
+ }
+ zLine[n] = 0;
+ eol = 1;
+ break;
+ }
+ while( zLine[n] ){ n++; }
+ if( n>0 && zLine[n-1]=='\n' ){
+ n--;
+ if( n>0 && zLine[n-1]=='\r' ) n--;
+ zLine[n] = 0;
+ eol = 1;
+ }
+ }
+ zLine = realloc( zLine, n+1 );
+ return zLine;
+}
+
+/*
+** Retrieve a single line of input text.
+**
+** zPrior is a string of prior text retrieved. If not the empty
+** string, then issue a continuation prompt.
+*/
+static char *one_input_line(const char *zPrior, FILE *in){
+ char *zPrompt;
+ char *zResult;
+ if( in!=0 ){
+ return local_getline(0, in);
+ }
+ if( zPrior && zPrior[0] ){
+ zPrompt = continuePrompt;
+ }else{
+ zPrompt = mainPrompt;
+ }
+ zResult = readline(zPrompt);
+#if defined(HAVE_READLINE) && HAVE_READLINE==1
+ if( zResult && *zResult ) add_history(zResult);
+#endif
+ return zResult;
+}
+
+struct previous_mode_data {
+ int valid; /* Is there legit data in here? */
+ int mode;
+ int showHeader;
+ int colWidth[100];
+};
+
+/*
+** An pointer to an instance of this structure is passed from
+** the main program to the callback. This is used to communicate
+** state and mode information.
+*/
+struct callback_data {
+ sqlite3 *db; /* The database */
+ int echoOn; /* True to echo input commands */
+ int statsOn; /* True to display memory stats before each finalize */
+ int cnt; /* Number of records displayed so far */
+ FILE *out; /* Write results here */
+ int mode; /* An output mode setting */
+ int writableSchema; /* True if PRAGMA writable_schema=ON */
+ int showHeader; /* True to show column names in List or Column mode */
+ char *zDestTable; /* Name of destination table when MODE_Insert */
+ char separator[20]; /* Separator character for MODE_List */
+ int colWidth[100]; /* Requested width of each column when in column mode*/
+ int actualWidth[100]; /* Actual width of each column */
+ char nullvalue[20]; /* The text to print when a NULL comes back from
+ ** the database */
+ struct previous_mode_data explainPrev;
+ /* Holds the mode information just before
+ ** .explain ON */
+ char outfile[FILENAME_MAX]; /* Filename for *out */
+ const char *zDbFilename; /* name of the database file */
+ const char *zVfs; /* Name of VFS to use */
+ sqlite3_stmt *pStmt; /* Current statement if any. */
+ FILE *pLog; /* Write log output here */
+};
+
+/*
+** These are the allowed modes.
+*/
+#define MODE_Line 0 /* One column per line. Blank line between records */
+#define MODE_Column 1 /* One record per line in neat columns */
+#define MODE_List 2 /* One record per line with a separator */
+#define MODE_Semi 3 /* Same as MODE_List but append ";" to each line */
+#define MODE_Html 4 /* Generate an XHTML table */
+#define MODE_Insert 5 /* Generate SQL "insert" statements */
+#define MODE_Tcl 6 /* Generate ANSI-C or TCL quoted elements */
+#define MODE_Csv 7 /* Quote strings, numbers are plain */
+#define MODE_Explain 8 /* Like MODE_Column, but do not truncate data */
+
+static const char *modeDescr[] = {
+ "line",
+ "column",
+ "list",
+ "semi",
+ "html",
+ "insert",
+ "tcl",
+ "csv",
+ "explain",
+};
+
+/*
+** Number of elements in an array
+*/
+#define ArraySize(X) (int)(sizeof(X)/sizeof(X[0]))
+
+/*
+** Compute a string length that is limited to what can be stored in
+** lower 30 bits of a 32-bit signed integer.
+*/
+static int strlen30(const char *z){
+ const char *z2 = z;
+ while( *z2 ){ z2++; }
+ return 0x3fffffff & (int)(z2 - z);
+}
+
+/*
+** A callback for the sqlite3_log() interface.
+*/
+static void shellLog(void *pArg, int iErrCode, const char *zMsg){
+ struct callback_data *p = (struct callback_data*)pArg;
+ if( p->pLog==0 ) return;
+ fprintf(p->pLog, "(%d) %s\n", iErrCode, zMsg);
+ fflush(p->pLog);
+}
+
+/*
+** Output the given string as a hex-encoded blob (eg. X'1234' )
+*/
+static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
+ int i;
+ char *zBlob = (char *)pBlob;
+ fprintf(out,"X'");
+ for(i=0; i<nBlob; i++){ fprintf(out,"%02x",zBlob[i]); }
+ fprintf(out,"'");
+}
+
+/*
+** Output the given string as a quoted string using SQL quoting conventions.
+*/
+static void output_quoted_string(FILE *out, const char *z){
+ int i;
+ int nSingle = 0;
+ for(i=0; z[i]; i++){
+ if( z[i]=='\'' ) nSingle++;
+ }
+ if( nSingle==0 ){
+ fprintf(out,"'%s'",z);
+ }else{
+ fprintf(out,"'");
+ while( *z ){
+ for(i=0; z[i] && z[i]!='\''; i++){}
+ if( i==0 ){
+ fprintf(out,"''");
+ z++;
+ }else if( z[i]=='\'' ){
+ fprintf(out,"%.*s''",i,z);
+ z += i+1;
+ }else{
+ fprintf(out,"%s",z);
+ break;
+ }
+ }
+ fprintf(out,"'");
+ }
+}
+
+/*
+** Output the given string as a quoted according to C or TCL quoting rules.
+*/
+static void output_c_string(FILE *out, const char *z){
+ unsigned int c;
+ fputc('"', out);
+ while( (c = *(z++))!=0 ){
+ if( c=='\\' ){
+ fputc(c, out);
+ fputc(c, out);
+ }else if( c=='\t' ){
+ fputc('\\', out);
+ fputc('t', out);
+ }else if( c=='\n' ){
+ fputc('\\', out);
+ fputc('n', out);
+ }else if( c=='\r' ){
+ fputc('\\', out);
+ fputc('r', out);
+ }else if( !isprint(c) ){
+ fprintf(out, "\\%03o", c&0xff);
+ }else{
+ fputc(c, out);
+ }
+ }
+ fputc('"', out);
+}
+
+/*
+** Output the given string with characters that are special to
+** HTML escaped.
+*/
+static void output_html_string(FILE *out, const char *z){
+ int i;
+ while( *z ){
+ for(i=0; z[i]
+ && z[i]!='<'
+ && z[i]!='&'
+ && z[i]!='>'
+ && z[i]!='\"'
+ && z[i]!='\'';
+ i++){}
+ if( i>0 ){
+ fprintf(out,"%.*s",i,z);
+ }
+ if( z[i]=='<' ){
+ fprintf(out,"&lt;");
+ }else if( z[i]=='&' ){
+ fprintf(out,"&amp;");
+ }else if( z[i]=='>' ){
+ fprintf(out,"&gt;");
+ }else if( z[i]=='\"' ){
+ fprintf(out,"&quot;");
+ }else if( z[i]=='\'' ){
+ fprintf(out,"&#39;");
+ }else{
+ break;
+ }
+ z += i + 1;
+ }
+}
+
+/*
+** If a field contains any character identified by a 1 in the following
+** array, then the string must be quoted for CSV.
+*/
+static const char needCsvQuote[] = {
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+};
+
+/*
+** Output a single term of CSV. Actually, p->separator is used for
+** the separator, which may or may not be a comma. p->nullvalue is
+** the null value. Strings are quoted using ANSI-C rules. Numbers
+** appear outside of quotes.
+*/
+static void output_csv(struct callback_data *p, const char *z, int bSep){
+ FILE *out = p->out;
+ if( z==0 ){
+ fprintf(out,"%s",p->nullvalue);
+ }else{
+ int i;
+ int nSep = strlen30(p->separator);
+ for(i=0; z[i]; i++){
+ if( needCsvQuote[((unsigned char*)z)[i]]
+ || (z[i]==p->separator[0] &&
+ (nSep==1 || memcmp(z, p->separator, nSep)==0)) ){
+ i = 0;
+ break;
+ }
+ }
+ if( i==0 ){
+ putc('"', out);
+ for(i=0; z[i]; i++){
+ if( z[i]=='"' ) putc('"', out);
+ putc(z[i], out);
+ }
+ putc('"', out);
+ }else{
+ fprintf(out, "%s", z);
+ }
+ }
+ if( bSep ){
+ fprintf(p->out, "%s", p->separator);
+ }
+}
+
+#ifdef SIGINT
+/*
+** This routine runs when the user presses Ctrl-C
+*/
+static void interrupt_handler(int NotUsed){
+ UNUSED_PARAMETER(NotUsed);
+ seenInterrupt = 1;
+ if( db ) sqlite3_interrupt(db);
+}
+#endif
+
+/*
+** This is the callback routine that the shell
+** invokes for each row of a query result.
+*/
+static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int *aiType){
+ int i;
+ struct callback_data *p = (struct callback_data*)pArg;
+
+ switch( p->mode ){
+ case MODE_Line: {
+ int w = 5;
+ if( azArg==0 ) break;
+ for(i=0; i<nArg; i++){
+ int len = strlen30(azCol[i] ? azCol[i] : "");
+ if( len>w ) w = len;
+ }
+ if( p->cnt++>0 ) fprintf(p->out,"\n");
+ for(i=0; i<nArg; i++){
+ fprintf(p->out,"%*s = %s\n", w, azCol[i],
+ azArg[i] ? azArg[i] : p->nullvalue);
+ }
+ break;
+ }
+ case MODE_Explain:
+ case MODE_Column: {
+ if( p->cnt++==0 ){
+ for(i=0; i<nArg; i++){
+ int w, n;
+ if( i<ArraySize(p->colWidth) ){
+ w = p->colWidth[i];
+ }else{
+ w = 0;
+ }
+ if( w<=0 ){
+ w = strlen30(azCol[i] ? azCol[i] : "");
+ if( w<10 ) w = 10;
+ n = strlen30(azArg && azArg[i] ? azArg[i] : p->nullvalue);
+ if( w<n ) w = n;
+ }
+ if( i<ArraySize(p->actualWidth) ){
+ p->actualWidth[i] = w;
+ }
+ if( p->showHeader ){
+ fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": " ");
+ }
+ }
+ if( p->showHeader ){
+ for(i=0; i<nArg; i++){
+ int w;
+ if( i<ArraySize(p->actualWidth) ){
+ w = p->actualWidth[i];
+ }else{
+ w = 10;
+ }
+ fprintf(p->out,"%-*.*s%s",w,w,"-----------------------------------"
+ "----------------------------------------------------------",
+ i==nArg-1 ? "\n": " ");
+ }
+ }
+ }
+ if( azArg==0 ) break;
+ for(i=0; i<nArg; i++){
+ int w;
+ if( i<ArraySize(p->actualWidth) ){
+ w = p->actualWidth[i];
+ }else{
+ w = 10;
+ }
+ if( p->mode==MODE_Explain && azArg[i] &&
+ strlen30(azArg[i])>w ){
+ w = strlen30(azArg[i]);
+ }
+ fprintf(p->out,"%-*.*s%s",w,w,
+ azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": " ");
+ }
+ break;
+ }
+ case MODE_Semi:
+ case MODE_List: {
+ if( p->cnt++==0 && p->showHeader ){
+ for(i=0; i<nArg; i++){
+ fprintf(p->out,"%s%s",azCol[i], i==nArg-1 ? "\n" : p->separator);
+ }
+ }
+ if( azArg==0 ) break;
+ for(i=0; i<nArg; i++){
+ char *z = azArg[i];
+ if( z==0 ) z = p->nullvalue;
+ fprintf(p->out, "%s", z);
+ if( i<nArg-1 ){
+ fprintf(p->out, "%s", p->separator);
+ }else if( p->mode==MODE_Semi ){
+ fprintf(p->out, ";\n");
+ }else{
+ fprintf(p->out, "\n");
+ }
+ }
+ break;
+ }
+ case MODE_Html: {
+ if( p->cnt++==0 && p->showHeader ){
+ fprintf(p->out,"<TR>");
+ for(i=0; i<nArg; i++){
+ fprintf(p->out,"<TH>");
+ output_html_string(p->out, azCol[i]);
+ fprintf(p->out,"</TH>\n");
+ }
+ fprintf(p->out,"</TR>\n");
+ }
+ if( azArg==0 ) break;
+ fprintf(p->out,"<TR>");
+ for(i=0; i<nArg; i++){
+ fprintf(p->out,"<TD>");
+ output_html_string(p->out, azArg[i] ? azArg[i] : p->nullvalue);
+ fprintf(p->out,"</TD>\n");
+ }
+ fprintf(p->out,"</TR>\n");
+ break;
+ }
+ case MODE_Tcl: {
+ if( p->cnt++==0 && p->showHeader ){
+ for(i=0; i<nArg; i++){
+ output_c_string(p->out,azCol[i] ? azCol[i] : "");
+ fprintf(p->out, "%s", p->separator);
+ }
+ fprintf(p->out,"\n");
+ }
+ if( azArg==0 ) break;
+ for(i=0; i<nArg; i++){
+ output_c_string(p->out, azArg[i] ? azArg[i] : p->nullvalue);
+ fprintf(p->out, "%s", p->separator);
+ }
+ fprintf(p->out,"\n");
+ break;
+ }
+ case MODE_Csv: {
+ if( p->cnt++==0 && p->showHeader ){
+ for(i=0; i<nArg; i++){
+ output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1);
+ }
+ fprintf(p->out,"\n");
+ }
+ if( azArg==0 ) break;
+ for(i=0; i<nArg; i++){
+ output_csv(p, azArg[i], i<nArg-1);
+ }
+ fprintf(p->out,"\n");
+ break;
+ }
+ case MODE_Insert: {
+ p->cnt++;
+ if( azArg==0 ) break;
+ fprintf(p->out,"INSERT INTO %s VALUES(",p->zDestTable);
+ for(i=0; i<nArg; i++){
+ char *zSep = i>0 ? ",": "";
+ if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
+ fprintf(p->out,"%sNULL",zSep);
+ }else if( aiType && aiType[i]==SQLITE_TEXT ){
+ if( zSep[0] ) fprintf(p->out,"%s",zSep);
+ output_quoted_string(p->out, azArg[i]);
+ }else if( aiType && (aiType[i]==SQLITE_INTEGER || aiType[i]==SQLITE_FLOAT) ){
+ fprintf(p->out,"%s%s",zSep, azArg[i]);
+ }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
+ const void *pBlob = sqlite3_column_blob(p->pStmt, i);
+ int nBlob = sqlite3_column_bytes(p->pStmt, i);
+ if( zSep[0] ) fprintf(p->out,"%s",zSep);
+ output_hex_blob(p->out, pBlob, nBlob);
+ }else if( isNumber(azArg[i], 0) ){
+ fprintf(p->out,"%s%s",zSep, azArg[i]);
+ }else{
+ if( zSep[0] ) fprintf(p->out,"%s",zSep);
+ output_quoted_string(p->out, azArg[i]);
+ }
+ }
+ fprintf(p->out,");\n");
+ break;
+ }
+ }
+ return 0;
+}
+
+/*
+** This is the callback routine that the SQLite library
+** invokes for each row of a query result.
+*/
+static int callback(void *pArg, int nArg, char **azArg, char **azCol){
+ /* since we don't have type info, call the shell_callback with a NULL value */
+ return shell_callback(pArg, nArg, azArg, azCol, NULL);
+}
+
+/*
+** Set the destination table field of the callback_data structure to
+** the name of the table given. Escape any quote characters in the
+** table name.
+*/
+static void set_table_name(struct callback_data *p, const char *zName){
+ int i, n;
+ int needQuote;
+ char *z;
+
+ if( p->zDestTable ){
+ free(p->zDestTable);
+ p->zDestTable = 0;
+ }
+ if( zName==0 ) return;
+ needQuote = !isalpha((unsigned char)*zName) && *zName!='_';
+ for(i=n=0; zName[i]; i++, n++){
+ if( !isalnum((unsigned char)zName[i]) && zName[i]!='_' ){
+ needQuote = 1;
+ if( zName[i]=='\'' ) n++;
+ }
+ }
+ if( needQuote ) n += 2;
+ z = p->zDestTable = malloc( n+1 );
+ if( z==0 ){
+ fprintf(stderr,"Error: out of memory\n");
+ exit(1);
+ }
+ n = 0;
+ if( needQuote ) z[n++] = '\'';
+ for(i=0; zName[i]; i++){
+ z[n++] = zName[i];
+ if( zName[i]=='\'' ) z[n++] = '\'';
+ }
+ if( needQuote ) z[n++] = '\'';
+ z[n] = 0;
+}
+
+/* zIn is either a pointer to a NULL-terminated string in memory obtained
+** from malloc(), or a NULL pointer. The string pointed to by zAppend is
+** added to zIn, and the result returned in memory obtained from malloc().
+** zIn, if it was not NULL, is freed.
+**
+** If the third argument, quote, is not '\0', then it is used as a
+** quote character for zAppend.
+*/
+static char *appendText(char *zIn, char const *zAppend, char quote){
+ int len;
+ int i;
+ int nAppend = strlen30(zAppend);
+ int nIn = (zIn?strlen30(zIn):0);
+
+ len = nAppend+nIn+1;
+ if( quote ){
+ len += 2;
+ for(i=0; i<nAppend; i++){
+ if( zAppend[i]==quote ) len++;
+ }
+ }
+
+ zIn = (char *)realloc(zIn, len);
+ if( !zIn ){
+ return 0;
+ }
+
+ if( quote ){
+ char *zCsr = &zIn[nIn];
+ *zCsr++ = quote;
+ for(i=0; i<nAppend; i++){
+ *zCsr++ = zAppend[i];
+ if( zAppend[i]==quote ) *zCsr++ = quote;
+ }
+ *zCsr++ = quote;
+ *zCsr++ = '\0';
+ assert( (zCsr-zIn)==len );
+ }else{
+ memcpy(&zIn[nIn], zAppend, nAppend);
+ zIn[len-1] = '\0';
+ }
+
+ return zIn;
+}
+
+
+/*
+** Execute a query statement that has a single result column. Print
+** that result column on a line by itself with a semicolon terminator.
+**
+** This is used, for example, to show the schema of the database by
+** querying the SQLITE_MASTER table.
+*/
+static int run_table_dump_query(
+ FILE *out, /* Send output here */
+ sqlite3 *db, /* Database to query */
+ const char *zSelect, /* SELECT statement to extract content */
+ const char *zFirstRow /* Print before first row, if not NULL */
+){
+ sqlite3_stmt *pSelect;
+ int rc;
+ rc = sqlite3_prepare(db, zSelect, -1, &pSelect, 0);
+ if( rc!=SQLITE_OK || !pSelect ){
+ return rc;
+ }
+ rc = sqlite3_step(pSelect);
+ while( rc==SQLITE_ROW ){
+ if( zFirstRow ){
+ fprintf(out, "%s", zFirstRow);
+ zFirstRow = 0;
+ }
+ fprintf(out, "%s;\n", sqlite3_column_text(pSelect, 0));
+ rc = sqlite3_step(pSelect);
+ }
+ return sqlite3_finalize(pSelect);
+}
+
+/*
+** Allocate space and save off current error string.
+*/
+static char *save_err_msg(
+ sqlite3 *db /* Database to query */
+){
+ int nErrMsg = 1+strlen30(sqlite3_errmsg(db));
+ char *zErrMsg = sqlite3_malloc(nErrMsg);
+ if( zErrMsg ){
+ memcpy(zErrMsg, sqlite3_errmsg(db), nErrMsg);
+ }
+ return zErrMsg;
+}
+
+/*
+** Display memory stats.
+*/
+static int display_stats(
+ sqlite3 *db, /* Database to query */
+ struct callback_data *pArg, /* Pointer to struct callback_data */
+ int bReset /* True to reset the stats */
+){
+ int iCur;
+ int iHiwtr;
+
+ if( pArg && pArg->out ){
+
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Memory Used: %d (max %d) bytes\n", iCur, iHiwtr);
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Number of Outstanding Allocations: %d (max %d)\n", iCur, iHiwtr);
+/*
+** Not currently used by the CLI.
+** iHiwtr = iCur = -1;
+** sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset);
+** fprintf(pArg->out, "Number of Pcache Pages Used: %d (max %d) pages\n", iCur, iHiwtr);
+*/
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Number of Pcache Overflow Bytes: %d (max %d) bytes\n", iCur, iHiwtr);
+/*
+** Not currently used by the CLI.
+** iHiwtr = iCur = -1;
+** sqlite3_status(SQLITE_STATUS_SCRATCH_USED, &iCur, &iHiwtr, bReset);
+** fprintf(pArg->out, "Number of Scratch Allocations Used: %d (max %d)\n", iCur, iHiwtr);
+*/
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Number of Scratch Overflow Bytes: %d (max %d) bytes\n", iCur, iHiwtr);
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Largest Allocation: %d bytes\n", iHiwtr);
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Largest Pcache Allocation: %d bytes\n", iHiwtr);
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Largest Scratch Allocation: %d bytes\n", iHiwtr);
+#ifdef YYTRACKMAXSTACKDEPTH
+ iHiwtr = iCur = -1;
+ sqlite3_status(SQLITE_STATUS_PARSER_STACK, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Deepest Parser Stack: %d (max %d)\n", iCur, iHiwtr);
+#endif
+ }
+
+ if( pArg && pArg->out && db ){
+ iHiwtr = iCur = -1;
+ sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Lookaside Slots Used: %d (max %d)\n", iCur, iHiwtr);
+ sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Successful lookaside attempts: %d\n", iHiwtr);
+ sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Lookaside failures due to size: %d\n", iHiwtr);
+ sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Lookaside failures due to OOM: %d\n", iHiwtr);
+ iHiwtr = iCur = -1;
+ sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Pager Heap Usage: %d bytes\n", iCur);
+ iHiwtr = iCur = -1;
+ sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Schema Heap Usage: %d bytes\n", iCur);
+ iHiwtr = iCur = -1;
+ sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset);
+ fprintf(pArg->out, "Statement Heap/Lookaside Usage: %d bytes\n", iCur);
+ }
+
+ if( pArg && pArg->out && db && pArg->pStmt ){
+ iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP, bReset);
+ fprintf(pArg->out, "Fullscan Steps: %d\n", iCur);
+ iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset);
+ fprintf(pArg->out, "Sort Operations: %d\n", iCur);
+ iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX, bReset);
+ fprintf(pArg->out, "Autoindex Inserts: %d\n", iCur);
+ }
+
+ return 0;
+}
+
+/*
+** Execute a statement or set of statements. Print
+** any result rows/columns depending on the current mode
+** set via the supplied callback.
+**
+** This is very similar to SQLite's built-in sqlite3_exec()
+** function except it takes a slightly different callback
+** and callback data argument.
+*/
+static int shell_exec(
+ sqlite3 *db, /* An open database */
+ const char *zSql, /* SQL to be evaluated */
+ int (*xCallback)(void*,int,char**,char**,int*), /* Callback function */
+ /* (not the same as sqlite3_exec) */
+ struct callback_data *pArg, /* Pointer to struct callback_data */
+ char **pzErrMsg /* Error msg written here */
+){
+ sqlite3_stmt *pStmt = NULL; /* Statement to execute. */
+ int rc = SQLITE_OK; /* Return Code */
+ const char *zLeftover; /* Tail of unprocessed SQL */
+
+ if( pzErrMsg ){
+ *pzErrMsg = NULL;
+ }
+
+ while( zSql[0] && (SQLITE_OK == rc) ){
+ rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zLeftover);
+ if( SQLITE_OK != rc ){
+ if( pzErrMsg ){
+ *pzErrMsg = save_err_msg(db);
+ }
+ }else{
+ if( !pStmt ){
+ /* this happens for a comment or white-space */
+ zSql = zLeftover;
+ while( isspace(zSql[0]) ) zSql++;
+ continue;
+ }
+
+ /* save off the prepared statment handle and reset row count */
+ if( pArg ){
+ pArg->pStmt = pStmt;
+ pArg->cnt = 0;
+ }
+
+ /* echo the sql statement if echo on */
+ if( pArg && pArg->echoOn ){
+ const char *zStmtSql = sqlite3_sql(pStmt);
+ fprintf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
+ }
+
+ /* perform the first step. this will tell us if we
+ ** have a result set or not and how wide it is.
+ */
+ rc = sqlite3_step(pStmt);
+ /* if we have a result set... */
+ if( SQLITE_ROW == rc ){
+ /* if we have a callback... */
+ if( xCallback ){
+ /* allocate space for col name ptr, value ptr, and type */
+ int nCol = sqlite3_column_count(pStmt);
+ void *pData = sqlite3_malloc(3*nCol*sizeof(const char*) + 1);
+ if( !pData ){
+ rc = SQLITE_NOMEM;
+ }else{
+ char **azCols = (char **)pData; /* Names of result columns */
+ char **azVals = &azCols[nCol]; /* Results */
+ int *aiTypes = (int *)&azVals[nCol]; /* Result types */
+ int i;
+ assert(sizeof(int) <= sizeof(char *));
+ /* save off ptrs to column names */
+ for(i=0; i<nCol; i++){
+ azCols[i] = (char *)sqlite3_column_name(pStmt, i);
+ }
+ do{
+ /* extract the data and data types */
+ for(i=0; i<nCol; i++){
+ azVals[i] = (char *)sqlite3_column_text(pStmt, i);
+ aiTypes[i] = sqlite3_column_type(pStmt, i);
+ if( !azVals[i] && (aiTypes[i]!=SQLITE_NULL) ){
+ rc = SQLITE_NOMEM;
+ break; /* from for */
+ }
+ } /* end for */
+
+ /* if data and types extracted successfully... */
+ if( SQLITE_ROW == rc ){
+ /* call the supplied callback with the result row data */
+ if( xCallback(pArg, nCol, azVals, azCols, aiTypes) ){
+ rc = SQLITE_ABORT;
+ }else{
+ rc = sqlite3_step(pStmt);
+ }
+ }
+ } while( SQLITE_ROW == rc );
+ sqlite3_free(pData);
+ }
+ }else{
+ do{
+ rc = sqlite3_step(pStmt);
+ } while( rc == SQLITE_ROW );
+ }
+ }
+
+ /* print usage stats if stats on */
+ if( pArg && pArg->statsOn ){
+ display_stats(db, pArg, 0);
+ }
+
+ /* Finalize the statement just executed. If this fails, save a
+ ** copy of the error message. Otherwise, set zSql to point to the
+ ** next statement to execute. */
+ rc = sqlite3_finalize(pStmt);
+ if( rc==SQLITE_OK ){
+ zSql = zLeftover;
+ while( isspace(zSql[0]) ) zSql++;
+ }else if( pzErrMsg ){
+ *pzErrMsg = save_err_msg(db);
+ }
+
+ /* clear saved stmt handle */
+ if( pArg ){
+ pArg->pStmt = NULL;
+ }
+ }
+ } /* end while */
+
+ return rc;
+}
+
+
+/*
+** This is a different callback routine used for dumping the database.
+** Each row received by this callback consists of a table name,
+** the table type ("index" or "table") and SQL to create the table.
+** This routine should print text sufficient to recreate the table.
+*/
+static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
+ int rc;
+ const char *zTable;
+ const char *zType;
+ const char *zSql;
+ const char *zPrepStmt = 0;
+ struct callback_data *p = (struct callback_data *)pArg;
+
+ UNUSED_PARAMETER(azCol);
+ if( nArg!=3 ) return 1;
+ zTable = azArg[0];
+ zType = azArg[1];
+ zSql = azArg[2];
+
+ if( strcmp(zTable, "sqlite_sequence")==0 ){
+ zPrepStmt = "DELETE FROM sqlite_sequence;\n";
+ }else if( strcmp(zTable, "sqlite_stat1")==0 ){
+ fprintf(p->out, "ANALYZE sqlite_master;\n");
+ }else if( strncmp(zTable, "sqlite_", 7)==0 ){
+ return 0;
+ }else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){
+ char *zIns;
+ if( !p->writableSchema ){
+ fprintf(p->out, "PRAGMA writable_schema=ON;\n");
+ p->writableSchema = 1;
+ }
+ zIns = sqlite3_mprintf(
+ "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"
+ "VALUES('table','%q','%q',0,'%q');",
+ zTable, zTable, zSql);
+ fprintf(p->out, "%s\n", zIns);
+ sqlite3_free(zIns);
+ return 0;
+ }else{
+ fprintf(p->out, "%s;\n", zSql);
+ }
+
+ if( strcmp(zType, "table")==0 ){
+ sqlite3_stmt *pTableInfo = 0;
+ char *zSelect = 0;
+ char *zTableInfo = 0;
+ char *zTmp = 0;
+ int nRow = 0;
+
+ zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0);
+ zTableInfo = appendText(zTableInfo, zTable, '"');
+ zTableInfo = appendText(zTableInfo, ");", 0);
+
+ rc = sqlite3_prepare(p->db, zTableInfo, -1, &pTableInfo, 0);
+ free(zTableInfo);
+ if( rc!=SQLITE_OK || !pTableInfo ){
+ return 1;
+ }
+
+ zSelect = appendText(zSelect, "SELECT 'INSERT INTO ' || ", 0);
+ zTmp = appendText(zTmp, zTable, '"');
+ if( zTmp ){
+ zSelect = appendText(zSelect, zTmp, '\'');
+ }
+ zSelect = appendText(zSelect, " || ' VALUES(' || ", 0);
+ rc = sqlite3_step(pTableInfo);
+ while( rc==SQLITE_ROW ){
+ const char *zText = (const char *)sqlite3_column_text(pTableInfo, 1);
+ zSelect = appendText(zSelect, "quote(", 0);
+ zSelect = appendText(zSelect, zText, '"');
+ rc = sqlite3_step(pTableInfo);
+ if( rc==SQLITE_ROW ){
+ zSelect = appendText(zSelect, ") || ',' || ", 0);
+ }else{
+ zSelect = appendText(zSelect, ") ", 0);
+ }
+ nRow++;
+ }
+ rc = sqlite3_finalize(pTableInfo);
+ if( rc!=SQLITE_OK || nRow==0 ){
+ free(zSelect);
+ return 1;
+ }
+ zSelect = appendText(zSelect, "|| ')' FROM ", 0);
+ zSelect = appendText(zSelect, zTable, '"');
+
+ rc = run_table_dump_query(p->out, p->db, zSelect, zPrepStmt);
+ if( rc==SQLITE_CORRUPT ){
+ zSelect = appendText(zSelect, " ORDER BY rowid DESC", 0);
+ rc = run_table_dump_query(p->out, p->db, zSelect, 0);
+ }
+ if( zSelect ) free(zSelect);
+ }
+ return 0;
+}
+
+/*
+** Run zQuery. Use dump_callback() as the callback routine so that
+** the contents of the query are output as SQL statements.
+**
+** If we get a SQLITE_CORRUPT error, rerun the query after appending
+** "ORDER BY rowid DESC" to the end.
+*/
+static int run_schema_dump_query(
+ struct callback_data *p,
+ const char *zQuery,
+ char **pzErrMsg
+){
+ int rc;
+ rc = sqlite3_exec(p->db, zQuery, dump_callback, p, pzErrMsg);
+ if( rc==SQLITE_CORRUPT ){
+ char *zQ2;
+ int len = strlen30(zQuery);
+ if( pzErrMsg ) sqlite3_free(*pzErrMsg);
+ zQ2 = malloc( len+100 );
+ if( zQ2==0 ) return rc;
+ sqlite3_snprintf(sizeof(zQ2), zQ2, "%s ORDER BY rowid DESC", zQuery);
+ rc = sqlite3_exec(p->db, zQ2, dump_callback, p, pzErrMsg);
+ free(zQ2);
+ }
+ return rc;
+}
+
+/*
+** Text of a help message
+*/
+static char zHelp[] =
+ ".backup ?DB? FILE Backup DB (default \"main\") to FILE\n"
+ ".bail ON|OFF Stop after hitting an error. Default OFF\n"
+ ".databases List names and files of attached databases\n"
+ ".dump ?TABLE? ... Dump the database in an SQL text format\n"
+ " If TABLE specified, only dump tables matching\n"
+ " LIKE pattern TABLE.\n"
+ ".echo ON|OFF Turn command echo on or off\n"
+ ".exit Exit this program\n"
+ ".explain ?ON|OFF? Turn output mode suitable for EXPLAIN on or off.\n"
+ " With no args, it turns EXPLAIN on.\n"
+ ".header(s) ON|OFF Turn display of headers on or off\n"
+ ".help Show this message\n"
+ ".import FILE TABLE Import data from FILE into TABLE\n"
+ ".indices ?TABLE? Show names of all indices\n"
+ " If TABLE specified, only show indices for tables\n"
+ " matching LIKE pattern TABLE.\n"
+#ifdef SQLITE_ENABLE_IOTRACE
+ ".iotrace FILE Enable I/O diagnostic logging to FILE\n"
+#endif
+#ifndef SQLITE_OMIT_LOAD_EXTENSION
+ ".load FILE ?ENTRY? Load an extension library\n"
+#endif
+ ".log FILE|off Turn logging on or off. FILE can be stderr/stdout\n"
+ ".mode MODE ?TABLE? Set output mode where MODE is one of:\n"
+ " csv Comma-separated values\n"
+ " column Left-aligned columns. (See .width)\n"
+ " html HTML <table> code\n"
+ " insert SQL insert statements for TABLE\n"
+ " line One value per line\n"
+ " list Values delimited by .separator string\n"
+ " tabs Tab-separated values\n"
+ " tcl TCL list elements\n"
+ ".nullvalue STRING Print STRING in place of NULL values\n"
+ ".output FILENAME Send output to FILENAME\n"
+ ".output stdout Send output to the screen\n"
+ ".prompt MAIN CONTINUE Replace the standard prompts\n"
+ ".quit Exit this program\n"
+ ".read FILENAME Execute SQL in FILENAME\n"
+ ".restore ?DB? FILE Restore content of DB (default \"main\") from FILE\n"
+ ".schema ?TABLE? Show the CREATE statements\n"
+ " If TABLE specified, only show tables matching\n"
+ " LIKE pattern TABLE.\n"
+ ".separator STRING Change separator used by output mode and .import\n"
+ ".show Show the current values for various settings\n"
+ ".stats ON|OFF Turn stats on or off\n"
+ ".tables ?TABLE? List names of tables\n"
+ " If TABLE specified, only list tables matching\n"
+ " LIKE pattern TABLE.\n"
+ ".timeout MS Try opening locked tables for MS milliseconds\n"
+ ".width NUM1 NUM2 ... Set column widths for \"column\" mode\n"
+;
+
+static char zTimerHelp[] =
+ ".timer ON|OFF Turn the CPU timer measurement on or off\n"
+;
+
+/* Forward reference */
+static int process_input(struct callback_data *p, FILE *in);
+
+/*
+** Make sure the database is open. If it is not, then open it. If
+** the database fails to open, print an error message and exit.
+*/
+static void open_db(struct callback_data *p){
+ if( p->db==0 ){
+ sqlite3_open(p->zDbFilename, &p->db);
+ db = p->db;
+ if( db && sqlite3_errcode(db)==SQLITE_OK ){
+ sqlite3_create_function(db, "shellstatic", 0, SQLITE_UTF8, 0,
+ shellstaticFunc, 0, 0);
+ }
+ if( db==0 || SQLITE_OK!=sqlite3_errcode(db) ){
+ fprintf(stderr,"Error: unable to open database \"%s\": %s\n",
+ p->zDbFilename, sqlite3_errmsg(db));
+ exit(1);
+ }
+#ifndef SQLITE_OMIT_LOAD_EXTENSION
+ sqlite3_enable_load_extension(p->db, 1);
+#endif
+ }
+}
+
+/*
+** Do C-language style dequoting.
+**
+** \t -> tab
+** \n -> newline
+** \r -> carriage return
+** \NNN -> ascii character NNN in octal
+** \\ -> backslash
+*/
+static void resolve_backslashes(char *z){
+ int i, j;
+ char c;
+ for(i=j=0; (c = z[i])!=0; i++, j++){
+ if( c=='\\' ){
+ c = z[++i];
+ if( c=='n' ){
+ c = '\n';
+ }else if( c=='t' ){
+ c = '\t';
+ }else if( c=='r' ){
+ c = '\r';
+ }else if( c>='0' && c<='7' ){
+ c -= '0';
+ if( z[i+1]>='0' && z[i+1]<='7' ){
+ i++;
+ c = (c<<3) + z[i] - '0';
+ if( z[i+1]>='0' && z[i+1]<='7' ){
+ i++;
+ c = (c<<3) + z[i] - '0';
+ }
+ }
+ }
+ }
+ z[j] = c;
+ }
+ z[j] = 0;
+}
+
+/*
+** Interpret zArg as a boolean value. Return either 0 or 1.
+*/
+static int booleanValue(char *zArg){
+ int val = atoi(zArg);
+ int j;
+ for(j=0; zArg[j]; j++){
+ zArg[j] = (char)tolower(zArg[j]);
+ }
+ if( strcmp(zArg,"on")==0 ){
+ val = 1;
+ }else if( strcmp(zArg,"yes")==0 ){
+ val = 1;
+ }
+ return val;
+}
+
+/*
+** If an input line begins with "." then invoke this routine to
+** process that line.
+**
+** Return 1 on error, 2 to exit, and 0 otherwise.
+*/
+static int do_meta_command(char *zLine, struct callback_data *p){
+ int i = 1;
+ int nArg = 0;
+ int n, c;
+ int rc = 0;
+ char *azArg[50];
+
+ /* Parse the input line into tokens.
+ */
+ while( zLine[i] && nArg<ArraySize(azArg) ){
+ while( isspace((unsigned char)zLine[i]) ){ i++; }
+ if( zLine[i]==0 ) break;
+ if( zLine[i]=='\'' || zLine[i]=='"' ){
+ int delim = zLine[i++];
+ azArg[nArg++] = &zLine[i];
+ while( zLine[i] && zLine[i]!=delim ){ i++; }
+ if( zLine[i]==delim ){
+ zLine[i++] = 0;
+ }
+ if( delim=='"' ) resolve_backslashes(azArg[nArg-1]);
+ }else{
+ azArg[nArg++] = &zLine[i];
+ while( zLine[i] && !isspace((unsigned char)zLine[i]) ){ i++; }
+ if( zLine[i] ) zLine[i++] = 0;
+ resolve_backslashes(azArg[nArg-1]);
+ }
+ }
+
+ /* Process the input line.
+ */
+ if( nArg==0 ) return 0; /* no tokens, no error */
+ n = strlen30(azArg[0]);
+ c = azArg[0][0];
+ if( c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0 && nArg>1 && nArg<4){
+ const char *zDestFile;
+ const char *zDb;
+ sqlite3 *pDest;
+ sqlite3_backup *pBackup;
+ if( nArg==2 ){
+ zDestFile = azArg[1];
+ zDb = "main";
+ }else{
+ zDestFile = azArg[2];
+ zDb = azArg[1];
+ }
+ rc = sqlite3_open(zDestFile, &pDest);
+ if( rc!=SQLITE_OK ){
+ fprintf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
+ sqlite3_close(pDest);
+ return 1;
+ }
+ open_db(p);
+ pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
+ if( pBackup==0 ){
+ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
+ sqlite3_close(pDest);
+ return 1;
+ }
+ while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
+ sqlite3_backup_finish(pBackup);
+ if( rc==SQLITE_DONE ){
+ rc = 0;
+ }else{
+ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
+ rc = 1;
+ }
+ sqlite3_close(pDest);
+ }else
+
+ if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){
+ bail_on_error = booleanValue(azArg[1]);
+ }else
+
+ if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){
+ struct callback_data data;
+ char *zErrMsg = 0;
+ open_db(p);
+ memcpy(&data, p, sizeof(data));
+ data.showHeader = 1;
+ data.mode = MODE_Column;
+ data.colWidth[0] = 3;
+ data.colWidth[1] = 15;
+ data.colWidth[2] = 58;
+ data.cnt = 0;
+ sqlite3_exec(p->db, "PRAGMA database_list; ", callback, &data, &zErrMsg);
+ if( zErrMsg ){
+ fprintf(stderr,"Error: %s\n", zErrMsg);
+ sqlite3_free(zErrMsg);
+ rc = 1;
+ }
+ }else
+
+ if( c=='d' && strncmp(azArg[0], "dump", n)==0 && nArg<3 ){
+ char *zErrMsg = 0;
+ open_db(p);
+ /* When playing back a "dump", the content might appear in an order
+ ** which causes immediate foreign key constraints to be violated.
+ ** So disable foreign-key constraint enforcement to prevent problems. */
+ fprintf(p->out, "PRAGMA foreign_keys=OFF;\n");
+ fprintf(p->out, "BEGIN TRANSACTION;\n");
+ p->writableSchema = 0;
+ sqlite3_exec(p->db, "PRAGMA writable_schema=ON", 0, 0, 0);
+ if( nArg==1 ){
+ run_schema_dump_query(p,
+ "SELECT name, type, sql FROM sqlite_master "
+ "WHERE sql NOT NULL AND type=='table' AND name!='sqlite_sequence'", 0
+ );
+ run_schema_dump_query(p,
+ "SELECT name, type, sql FROM sqlite_master "
+ "WHERE name=='sqlite_sequence'", 0
+ );
+ run_table_dump_query(p->out, p->db,
+ "SELECT sql FROM sqlite_master "
+ "WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0
+ );
+ }else{
+ int i;
+ for(i=1; i<nArg; i++){
+ zShellStatic = azArg[i];
+ run_schema_dump_query(p,
+ "SELECT name, type, sql FROM sqlite_master "
+ "WHERE tbl_name LIKE shellstatic() AND type=='table'"
+ " AND sql NOT NULL", 0);
+ run_table_dump_query(p->out, p->db,
+ "SELECT sql FROM sqlite_master "
+ "WHERE sql NOT NULL"
+ " AND type IN ('index','trigger','view')"
+ " AND tbl_name LIKE shellstatic()", 0
+ );
+ zShellStatic = 0;
+ }
+ }
+ if( p->writableSchema ){
+ fprintf(p->out, "PRAGMA writable_schema=OFF;\n");
+ p->writableSchema = 0;
+ }
+ sqlite3_exec(p->db, "PRAGMA writable_schema=OFF", 0, 0, 0);
+ if( zErrMsg ){
+ fprintf(stderr,"Error: %s\n", zErrMsg);
+ sqlite3_free(zErrMsg);
+ }else{
+ fprintf(p->out, "COMMIT;\n");
+ }
+ }else
+
+ if( c=='e' && strncmp(azArg[0], "echo", n)==0 && nArg>1 && nArg<3 ){
+ p->echoOn = booleanValue(azArg[1]);
+ }else
+
+ if( c=='e' && strncmp(azArg[0], "exit", n)==0 && nArg==1 ){
+ rc = 2;
+ }else
+
+ if( c=='e' && strncmp(azArg[0], "explain", n)==0 && nArg<3 ){
+ int val = nArg>=2 ? booleanValue(azArg[1]) : 1;
+ if(val == 1) {
+ if(!p->explainPrev.valid) {
+ p->explainPrev.valid = 1;
+ p->explainPrev.mode = p->mode;
+ p->explainPrev.showHeader = p->showHeader;
+ memcpy(p->explainPrev.colWidth,p->colWidth,sizeof(p->colWidth));
+ }
+ /* We could put this code under the !p->explainValid
+ ** condition so that it does not execute if we are already in
+ ** explain mode. However, always executing it allows us an easy
+ ** was to reset to explain mode in case the user previously
+ ** did an .explain followed by a .width, .mode or .header
+ ** command.
+ */
+ p->mode = MODE_Explain;
+ p->showHeader = 1;
+ memset(p->colWidth,0,ArraySize(p->colWidth));
+ p->colWidth[0] = 4; /* addr */
+ p->colWidth[1] = 13; /* opcode */
+ p->colWidth[2] = 4; /* P1 */
+ p->colWidth[3] = 4; /* P2 */
+ p->colWidth[4] = 4; /* P3 */
+ p->colWidth[5] = 13; /* P4 */
+ p->colWidth[6] = 2; /* P5 */
+ p->colWidth[7] = 13; /* Comment */
+ }else if (p->explainPrev.valid) {
+ p->explainPrev.valid = 0;
+ p->mode = p->explainPrev.mode;
+ p->showHeader = p->explainPrev.showHeader;
+ memcpy(p->colWidth,p->explainPrev.colWidth,sizeof(p->colWidth));
+ }
+ }else
+
+ if( c=='h' && (strncmp(azArg[0], "header", n)==0 ||
+ strncmp(azArg[0], "headers", n)==0) && nArg>1 && nArg<3 ){
+ p->showHeader = booleanValue(azArg[1]);
+ }else
+
+ if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
+ fprintf(stderr,"%s",zHelp);
+ if( HAS_TIMER ){
+ fprintf(stderr,"%s",zTimerHelp);
+ }
+ }else
+
+ if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
+ char *zTable = azArg[2]; /* Insert data into this table */
+ char *zFile = azArg[1]; /* The file from which to extract data */
+ sqlite3_stmt *pStmt = NULL; /* A statement */
+ int nCol; /* Number of columns in the table */
+ int nByte; /* Number of bytes in an SQL string */
+ int i, j; /* Loop counters */
+ int nSep; /* Number of bytes in p->separator[] */
+ char *zSql; /* An SQL statement */
+ char *zLine; /* A single line of input from the file */
+ char **azCol; /* zLine[] broken up into columns */
+ char *zCommit; /* How to commit changes */
+ FILE *in; /* The input file */
+ int lineno = 0; /* Line number of input file */
+
+ open_db(p);
+ nSep = strlen30(p->separator);
+ if( nSep==0 ){
+ fprintf(stderr, "Error: non-null separator required for import\n");
+ return 1;
+ }
+ zSql = sqlite3_mprintf("SELECT * FROM '%q'", zTable);
+ if( zSql==0 ){
+ fprintf(stderr, "Error: out of memory\n");
+ return 1;
+ }
+ nByte = strlen30(zSql);
+ rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0);
+ sqlite3_free(zSql);
+ if( rc ){
+ if (pStmt) sqlite3_finalize(pStmt);
+ fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db));
+ return 1;
+ }
+ nCol = sqlite3_column_count(pStmt);
+ sqlite3_finalize(pStmt);
+ pStmt = 0;
+ if( nCol==0 ) return 0; /* no columns, no error */
+ zSql = malloc( nByte + 20 + nCol*2 );
+ if( zSql==0 ){
+ fprintf(stderr, "Error: out of memory\n");
+ return 1;
+ }
+ sqlite3_snprintf(nByte+20, zSql, "INSERT INTO '%q' VALUES(?", zTable);
+ j = strlen30(zSql);
+ for(i=1; i<nCol; i++){
+ zSql[j++] = ',';
+ zSql[j++] = '?';
+ }
+ zSql[j++] = ')';
+ zSql[j] = 0;
+ rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0);
+ free(zSql);
+ if( rc ){
+ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db));
+ if (pStmt) sqlite3_finalize(pStmt);
+ return 1;
+ }
+ in = fopen(zFile, "rb");
+ if( in==0 ){
+ fprintf(stderr, "Error: cannot open \"%s\"\n", zFile);
+ sqlite3_finalize(pStmt);
+ return 1;
+ }
+ azCol = malloc( sizeof(azCol[0])*(nCol+1) );
+ if( azCol==0 ){
+ fprintf(stderr, "Error: out of memory\n");
+ fclose(in);
+ sqlite3_finalize(pStmt);
+ return 1;
+ }
+ sqlite3_exec(p->db, "BEGIN", 0, 0, 0);
+ zCommit = "COMMIT";
+ while( (zLine = local_getline(0, in))!=0 ){
+ char *z;
+ i = 0;
+ lineno++;
+ azCol[0] = zLine;
+ for(i=0, z=zLine; *z && *z!='\n' && *z!='\r'; z++){
+ if( *z==p->separator[0] && strncmp(z, p->separator, nSep)==0 ){
+ *z = 0;
+ i++;
+ if( i<nCol ){
+ azCol[i] = &z[nSep];
+ z += nSep-1;
+ }
+ }
+ } /* end for */
+ *z = 0;
+ if( i+1!=nCol ){
+ fprintf(stderr,
+ "Error: %s line %d: expected %d columns of data but found %d\n",
+ zFile, lineno, nCol, i+1);
+ zCommit = "ROLLBACK";
+ free(zLine);
+ rc = 1;
+ break; /* from while */
+ }
+ for(i=0; i<nCol; i++){
+ sqlite3_bind_text(pStmt, i+1, azCol[i], -1, SQLITE_STATIC);
+ }
+ sqlite3_step(pStmt);
+ rc = sqlite3_reset(pStmt);
+ free(zLine);
+ if( rc!=SQLITE_OK ){
+ fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db));
+ zCommit = "ROLLBACK";
+ rc = 1;
+ break; /* from while */
+ }
+ } /* end while */
+ free(azCol);
+ fclose(in);
+ sqlite3_finalize(pStmt);
+ sqlite3_exec(p->db, zCommit, 0, 0, 0);
+ }else
+
+ if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
+ struct callback_data data;
+ char *zErrMsg = 0;
+ open_db(p);
+ memcpy(&data, p, sizeof(data));
+ data.showHeader = 0;
+ data.mode = MODE_List;
+ if( nArg==1 ){
+ rc = sqlite3_exec(p->db,
+ "SELECT name FROM sqlite_master "
+ "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
+ "UNION ALL "
+ "SELECT name FROM sqlite_temp_master "
+ "WHERE type='index' "
+ "ORDER BY 1",
+ callback, &data, &zErrMsg
+ );
+ }else{
+ zShellStatic = azArg[1];
+ rc = sqlite3_exec(p->db,
+ "SELECT name FROM sqlite_master "
+ "WHERE type='index' AND tbl_name LIKE shellstatic() "
+ "UNION ALL "
+ "SELECT name FROM sqlite_temp_master "
+ "WHERE type='index' AND tbl_name LIKE shellstatic() "
+ "ORDER BY 1",
+ callback, &data, &zErrMsg
+ );
+ zShellStatic = 0;
+ }
+ if( zErrMsg ){
+ fprintf(stderr,"Error: %s\n", zErrMsg);
+ sqlite3_free(zErrMsg);
+ rc = 1;
+ }else if( rc != SQLITE_OK ){
+ fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n");
+ rc = 1;
+ }
+ }else
+
+#ifdef SQLITE_ENABLE_IOTRACE
+ if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){
+ extern void (*sqlite3IoTrace)(const char*, ...);
+ if( iotrace && iotrace!=stdout ) fclose(iotrace);
+ iotrace = 0;
+ if( nArg<2 ){
+ sqlite3IoTrace = 0;
+ }else if( strcmp(azArg[1], "-")==0 ){
+ sqlite3IoTrace = iotracePrintf;
+ iotrace = stdout;
+ }else{
+ iotrace = fopen(azArg[1], "w");
+ if( iotrace==0 ){
+ fprintf(stderr, "Error: cannot open \"%s\"\n", azArg[1]);
+ sqlite3IoTrace = 0;
+ rc = 1;
+ }else{
+ sqlite3IoTrace = iotracePrintf;
+ }
+ }
+ }else
+#endif
+
+#ifndef SQLITE_OMIT_LOAD_EXTENSION
+ if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
+ const char *zFile, *zProc;
+ char *zErrMsg = 0;
+ zFile = azArg[1];
+ zProc = nArg>=3 ? azArg[2] : 0;
+ open_db(p);
+ rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
+ if( rc!=SQLITE_OK ){
+ fprintf(stderr, "Error: %s\n", zErrMsg);
+ sqlite3_free(zErrMsg);
+ rc = 1;
+ }
+ }else
+#endif
+
+ if( c=='l' && strncmp(azArg[0], "log", n)==0 && nArg>=2 ){
+ const char *zFile = azArg[1];
+ if( p->pLog && p->pLog!=stdout && p->pLog!=stderr ){
+ fclose(p->pLog);
+ p->pLog = 0;
+ }
+ if( strcmp(zFile,"stdout")==0 ){
+ p->pLog = stdout;
+ }else if( strcmp(zFile, "stderr")==0 ){
+ p->pLog = stderr;
+ }else if( strcmp(zFile, "off")==0 ){
+ p->pLog = 0;
+ }else{
+ p->pLog = fopen(zFile, "w");
+ if( p->pLog==0 ){
+ fprintf(stderr, "Error: cannot open \"%s\"\n", zFile);
+ }
+ }
+ }else
+
+ if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==2 ){
+ int n2 = strlen30(azArg[1]);
+ if( (n2==4 && strncmp(azArg[1],"line",n2)==0)
+ ||
+ (n2==5 && strncmp(azArg[1],"lines",n2)==0) ){
+ p->mode = MODE_Line;
+ }else if( (n2==6 && strncmp(azArg[1],"column",n2)==0)
+ ||
+ (n2==7 && strncmp(azArg[1],"columns",n2)==0) ){
+ p->mode = MODE_Column;
+ }else if( n2==4 && strncmp(azArg[1],"list",n2)==0 ){
+ p->mode = MODE_List;
+ }else if( n2==4 && strncmp(azArg[1],"html",n2)==0 ){
+ p->mode = MODE_Html;
+ }else if( n2==3 && strncmp(azArg[1],"tcl",n2)==0 ){
+ p->mode = MODE_Tcl;
+ }else if( n2==3 && strncmp(azArg[1],"csv",n2)==0 ){
+ p->mode = MODE_Csv;
+ sqlite3_snprintf(sizeof(p->separator), p->separator, ",");
+ }else if( n2==4 && strncmp(azArg[1],"tabs",n2)==0 ){
+ p->mode = MODE_List;
+ sqlite3_snprintf(sizeof(p->separator), p->separator, "\t");
+ }else if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
+ p->mode = MODE_Insert;
+ set_table_name(p, "table");
+ }else {
+ fprintf(stderr,"Error: mode should be one of: "
+ "column csv html insert line list tabs tcl\n");
+ rc = 1;
+ }
+ }else
+
+ if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==3 ){
+ int n2 = strlen30(azArg[1]);
+ if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
+ p->mode = MODE_Insert;
+ set_table_name(p, azArg[2]);
+ }else {
+ fprintf(stderr, "Error: invalid arguments: "
+ " \"%s\". Enter \".help\" for help\n", azArg[2]);
+ rc = 1;
+ }
+ }else
+
+ if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 && nArg==2 ) {
+ sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
+ "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
+ }else
+
+ if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){
+ if( p->out!=stdout ){
+ fclose(p->out);
+ }
+ if( strcmp(azArg[1],"stdout")==0 ){
+ p->out = stdout;
+ sqlite3_snprintf(sizeof(p->outfile), p->outfile, "stdout");
+ }else{
+ p->out = fopen(azArg[1], "wb");
+ if( p->out==0 ){
+ fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]);
+ p->out = stdout;
+ rc = 1;
+ } else {
+ sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
+ }
+ }
+ }else
+
+ if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){
+ if( nArg >= 2) {
+ strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
+ }
+ if( nArg >= 3) {
+ strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
+ }
+ }else
+
+ if( c=='q' && strncmp(azArg[0], "quit", n)==0 && nArg==1 ){
+ rc = 2;
+ }else
+
+ if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){
+ FILE *alt = fopen(azArg[1], "rb");
+ if( alt==0 ){
+ fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
+ rc = 1;
+ }else{
+ rc = process_input(p, alt);
+ fclose(alt);
+ }
+ }else
+
+ if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 && nArg>1 && nArg<4){
+ const char *zSrcFile;
+ const char *zDb;
+ sqlite3 *pSrc;
+ sqlite3_backup *pBackup;
+ int nTimeout = 0;
+
+ if( nArg==2 ){
+ zSrcFile = azArg[1];
+ zDb = "main";
+ }else{
+ zSrcFile = azArg[2];
+ zDb = azArg[1];
+ }
+ rc = sqlite3_open(zSrcFile, &pSrc);
+ if( rc!=SQLITE_OK ){
+ fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
+ sqlite3_close(pSrc);
+ return 1;
+ }
+ open_db(p);
+ pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
+ if( pBackup==0 ){
+ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
+ sqlite3_close(pSrc);
+ return 1;
+ }
+ while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
+ || rc==SQLITE_BUSY ){
+ if( rc==SQLITE_BUSY ){
+ if( nTimeout++ >= 3 ) break;
+ sqlite3_sleep(100);
+ }
+ }
+ sqlite3_backup_finish(pBackup);
+ if( rc==SQLITE_DONE ){
+ rc = 0;
+ }else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
+ fprintf(stderr, "Error: source database is busy\n");
+ rc = 1;
+ }else{
+ fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
+ rc = 1;
+ }
+ sqlite3_close(pSrc);
+ }else
+
+ if( c=='s' && strncmp(azArg[0], "schema", n)==0 && nArg<3 ){
+ struct callback_data data;
+ char *zErrMsg = 0;
+ open_db(p);
+ memcpy(&data, p, sizeof(data));
+ data.showHeader = 0;
+ data.mode = MODE_Semi;
+ if( nArg>1 ){
+ int i;
+ for(i=0; azArg[1][i]; i++) azArg[1][i] = (char)tolower(azArg[1][i]);
+ if( strcmp(azArg[1],"sqlite_master")==0 ){
+ char *new_argv[2], *new_colv[2];
+ new_argv[0] = "CREATE TABLE sqlite_master (\n"
+ " type text,\n"
+ " name text,\n"
+ " tbl_name text,\n"
+ " rootpage integer,\n"
+ " sql text\n"
+ ")";
+ new_argv[1] = 0;
+ new_colv[0] = "sql";
+ new_colv[1] = 0;
+ callback(&data, 1, new_argv, new_colv);
+ rc = SQLITE_OK;
+ }else if( strcmp(azArg[1],"sqlite_temp_master")==0 ){
+ char *new_argv[2], *new_colv[2];
+ new_argv[0] = "CREATE TEMP TABLE sqlite_temp_master (\n"
+ " type text,\n"
+ " name text,\n"
+ " tbl_name text,\n"
+ " rootpage integer,\n"
+ " sql text\n"
+ ")";
+ new_argv[1] = 0;
+ new_colv[0] = "sql";
+ new_colv[1] = 0;
+ callback(&data, 1, new_argv, new_colv);
+ rc = SQLITE_OK;
+ }else{
+ zShellStatic = azArg[1];
+ rc = sqlite3_exec(p->db,
+ "SELECT sql FROM "
+ " (SELECT sql sql, type type, tbl_name tbl_name, name name"
+ " FROM sqlite_master UNION ALL"
+ " SELECT sql, type, tbl_name, name FROM sqlite_temp_master) "
+ "WHERE tbl_name LIKE shellstatic() AND type!='meta' AND sql NOTNULL "
+ "ORDER BY substr(type,2,1), name",
+ callback, &data, &zErrMsg);
+ zShellStatic = 0;
+ }
+ }else{
+ rc = sqlite3_exec(p->db,
+ "SELECT sql FROM "
+ " (SELECT sql sql, type type, tbl_name tbl_name, name name"
+ " FROM sqlite_master UNION ALL"
+ " SELECT sql, type, tbl_name, name FROM sqlite_temp_master) "
+ "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'"
+ "ORDER BY substr(type,2,1), name",
+ callback, &data, &zErrMsg
+ );
+ }
+ if( zErrMsg ){
+ fprintf(stderr,"Error: %s\n", zErrMsg);
+ sqlite3_free(zErrMsg);
+ rc = 1;
+ }else if( rc != SQLITE_OK ){
+ fprintf(stderr,"Error: querying schema information\n");
+ rc = 1;
+ }else{
+ rc = 0;
+ }
+ }else
+
+ if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){
+ sqlite3_snprintf(sizeof(p->separator), p->separator,
+ "%.*s", (int)sizeof(p->separator)-1, azArg[1]);
+ }else
+
+ if( c=='s' && strncmp(azArg[0], "show", n)==0 && nArg==1 ){
+ int i;
+ fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off");
+ fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off");
+ fprintf(p->out,"%9.9s: %s\n","headers", p->showHeader ? "on" : "off");
+ fprintf(p->out,"%9.9s: %s\n","mode", modeDescr[p->mode]);
+ fprintf(p->out,"%9.9s: ", "nullvalue");
+ output_c_string(p->out, p->nullvalue);
+ fprintf(p->out, "\n");
+ fprintf(p->out,"%9.9s: %s\n","output",
+ strlen30(p->outfile) ? p->outfile : "stdout");
+ fprintf(p->out,"%9.9s: ", "separator");
+ output_c_string(p->out, p->separator);
+ fprintf(p->out, "\n");
+ fprintf(p->out,"%9.9s: %s\n","stats", p->statsOn ? "on" : "off");
+ fprintf(p->out,"%9.9s: ","width");
+ for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) {
+ fprintf(p->out,"%d ",p->colWidth[i]);
+ }
+ fprintf(p->out,"\n");
+ }else
+
+ if( c=='s' && strncmp(azArg[0], "stats", n)==0 && nArg>1 && nArg<3 ){
+ p->statsOn = booleanValue(azArg[1]);
+ }else
+
+ if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
+ char **azResult;
+ int nRow;
+ char *zErrMsg;
+ open_db(p);
+ if( nArg==1 ){
+ rc = sqlite3_get_table(p->db,
+ "SELECT name FROM sqlite_master "
+ "WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' "
+ "UNION ALL "
+ "SELECT name FROM sqlite_temp_master "
+ "WHERE type IN ('table','view') "
+ "ORDER BY 1",
+ &azResult, &nRow, 0, &zErrMsg
+ );
+ }else{
+ zShellStatic = azArg[1];
+ rc = sqlite3_get_table(p->db,
+ "SELECT name FROM sqlite_master "
+ "WHERE type IN ('table','view') AND name LIKE shellstatic() "
+ "UNION ALL "
+ "SELECT name FROM sqlite_temp_master "
+ "WHERE type IN ('table','view') AND name LIKE shellstatic() "
+ "ORDER BY 1",
+ &azResult, &nRow, 0, &zErrMsg
+ );
+ zShellStatic = 0;
+ }
+ if( zErrMsg ){
+ fprintf(stderr,"Error: %s\n", zErrMsg);
+ sqlite3_free(zErrMsg);
+ rc = 1;
+ }else if( rc != SQLITE_OK ){
+ fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n");
+ rc = 1;
+ }else{
+ int len, maxlen = 0;
+ int i, j;
+ int nPrintCol, nPrintRow;
+ for(i=1; i<=nRow; i++){
+ if( azResult[i]==0 ) continue;
+ len = strlen30(azResult[i]);
+ if( len>maxlen ) maxlen = len;
+ }
+ nPrintCol = 80/(maxlen+2);
+ if( nPrintCol<1 ) nPrintCol = 1;
+ nPrintRow = (nRow + nPrintCol - 1)/nPrintCol;
+ for(i=0; i<nPrintRow; i++){
+ for(j=i+1; j<=nRow; j+=nPrintRow){
+ char *zSp = j<=nPrintRow ? "" : " ";
+ printf("%s%-*s", zSp, maxlen, azResult[j] ? azResult[j] : "");
+ }
+ printf("\n");
+ }
+ }
+ sqlite3_free_table(azResult);
+ }else
+
+ if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
+ static const struct {
+ const char *zCtrlName; /* Name of a test-control option */
+ int ctrlCode; /* Integer code for that option */
+ } aCtrl[] = {
+ { "prng_save", SQLITE_TESTCTRL_PRNG_SAVE },
+ { "prng_restore", SQLITE_TESTCTRL_PRNG_RESTORE },
+ { "prng_reset", SQLITE_TESTCTRL_PRNG_RESET },
+ { "bitvec_test", SQLITE_TESTCTRL_BITVEC_TEST },
+ { "fault_install", SQLITE_TESTCTRL_FAULT_INSTALL },
+ { "benign_malloc_hooks", SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS },
+ { "pending_byte", SQLITE_TESTCTRL_PENDING_BYTE },
+ { "assert", SQLITE_TESTCTRL_ASSERT },
+ { "always", SQLITE_TESTCTRL_ALWAYS },
+ { "reserve", SQLITE_TESTCTRL_RESERVE },
+ { "optimizations", SQLITE_TESTCTRL_OPTIMIZATIONS },
+ { "iskeyword", SQLITE_TESTCTRL_ISKEYWORD },
+ { "pghdrsz", SQLITE_TESTCTRL_PGHDRSZ },
+ { "scratchmalloc", SQLITE_TESTCTRL_SCRATCHMALLOC },
+ };
+ int testctrl = -1;
+ int rc = 0;
+ int i, n;
+ open_db(p);
+
+ /* convert testctrl text option to value. allow any unique prefix
+ ** of the option name, or a numerical value. */
+ n = strlen30(azArg[1]);
+ for(i=0; i<(int)(sizeof(aCtrl)/sizeof(aCtrl[0])); i++){
+ if( strncmp(azArg[1], aCtrl[i].zCtrlName, n)==0 ){
+ if( testctrl<0 ){
+ testctrl = aCtrl[i].ctrlCode;
+ }else{
+ fprintf(stderr, "ambiguous option name: \"%s\"\n", azArg[i]);
+ testctrl = -1;
+ break;
+ }
+ }
+ }
+ if( testctrl<0 ) testctrl = atoi(azArg[1]);
+ if( (testctrl<SQLITE_TESTCTRL_FIRST) || (testctrl>SQLITE_TESTCTRL_LAST) ){
+ fprintf(stderr,"Error: invalid testctrl option: %s\n", azArg[1]);
+ }else{
+ switch(testctrl){
+
+ /* sqlite3_test_control(int, db, int) */
+ case SQLITE_TESTCTRL_OPTIMIZATIONS:
+ case SQLITE_TESTCTRL_RESERVE:
+ if( nArg==3 ){
+ int opt = (int)strtol(azArg[2], 0, 0);
+ rc = sqlite3_test_control(testctrl, p->db, opt);
+ printf("%d (0x%08x)\n", rc, rc);
+ } else {
+ fprintf(stderr,"Error: testctrl %s takes a single int option\n",
+ azArg[1]);
+ }
+ break;
+
+ /* sqlite3_test_control(int) */
+ case SQLITE_TESTCTRL_PRNG_SAVE:
+ case SQLITE_TESTCTRL_PRNG_RESTORE:
+ case SQLITE_TESTCTRL_PRNG_RESET:
+ case SQLITE_TESTCTRL_PGHDRSZ:
+ if( nArg==2 ){
+ rc = sqlite3_test_control(testctrl);
+ printf("%d (0x%08x)\n", rc, rc);
+ } else {
+ fprintf(stderr,"Error: testctrl %s takes no options\n", azArg[1]);
+ }
+ break;
+
+ /* sqlite3_test_control(int, uint) */
+ case SQLITE_TESTCTRL_PENDING_BYTE:
+ if( nArg==3 ){
+ unsigned int opt = (unsigned int)atoi(azArg[2]);
+ rc = sqlite3_test_control(testctrl, opt);
+ printf("%d (0x%08x)\n", rc, rc);
+ } else {
+ fprintf(stderr,"Error: testctrl %s takes a single unsigned"
+ " int option\n", azArg[1]);
+ }
+ break;
+
+ /* sqlite3_test_control(int, int) */
+ case SQLITE_TESTCTRL_ASSERT:
+ case SQLITE_TESTCTRL_ALWAYS:
+ if( nArg==3 ){
+ int opt = atoi(azArg[2]);
+ rc = sqlite3_test_control(testctrl, opt);
+ printf("%d (0x%08x)\n", rc, rc);
+ } else {
+ fprintf(stderr,"Error: testctrl %s takes a single int option\n",
+ azArg[1]);
+ }
+ break;
+
+ /* sqlite3_test_control(int, char *) */
+#ifdef SQLITE_N_KEYWORD
+ case SQLITE_TESTCTRL_ISKEYWORD:
+ if( nArg==3 ){
+ const char *opt = azArg[2];
+ rc = sqlite3_test_control(testctrl, opt);
+ printf("%d (0x%08x)\n", rc, rc);
+ } else {
+ fprintf(stderr,"Error: testctrl %s takes a single char * option\n",
+ azArg[1]);
+ }
+ break;
+#endif
+
+ case SQLITE_TESTCTRL_BITVEC_TEST:
+ case SQLITE_TESTCTRL_FAULT_INSTALL:
+ case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS:
+ case SQLITE_TESTCTRL_SCRATCHMALLOC:
+ default:
+ fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n",
+ azArg[1]);
+ break;
+ }
+ }
+ }else
+
+ if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){
+ open_db(p);
+ sqlite3_busy_timeout(p->db, atoi(azArg[1]));
+ }else
+
+ if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0
+ && nArg==2
+ ){
+ enableTimer = booleanValue(azArg[1]);
+ }else
+
+ if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){
+ int j;
+ assert( nArg<=ArraySize(azArg) );
+ for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
+ p->colWidth[j-1] = atoi(azArg[j]);
+ }
+ }else
+
+ {
+ fprintf(stderr, "Error: unknown command or invalid arguments: "
+ " \"%s\". Enter \".help\" for help\n", azArg[0]);
+ rc = 1;
+ }
+
+ return rc;
+}
+
+/*
+** Return TRUE if a semicolon occurs anywhere in the first N characters
+** of string z[].
+*/
+static int _contains_semicolon(const char *z, int N){
+ int i;
+ for(i=0; i<N; i++){ if( z[i]==';' ) return 1; }
+ return 0;
+}
+
+/*
+** Test to see if a line consists entirely of whitespace.
+*/
+static int _all_whitespace(const char *z){
+ for(; *z; z++){
+ if( isspace(*(unsigned char*)z) ) continue;
+ if( *z=='/' && z[1]=='*' ){
+ z += 2;
+ while( *z && (*z!='*' || z[1]!='/') ){ z++; }
+ if( *z==0 ) return 0;
+ z++;
+ continue;
+ }
+ if( *z=='-' && z[1]=='-' ){
+ z += 2;
+ while( *z && *z!='\n' ){ z++; }
+ if( *z==0 ) return 1;
+ continue;
+ }
+ return 0;
+ }
+ return 1;
+}
+
+/*
+** Return TRUE if the line typed in is an SQL command terminator other
+** than a semi-colon. The SQL Server style "go" command is understood
+** as is the Oracle "/".
+*/
+static int _is_command_terminator(const char *zLine){
+ while( isspace(*(unsigned char*)zLine) ){ zLine++; };
+ if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){
+ return 1; /* Oracle */
+ }
+ if( tolower(zLine[0])=='g' && tolower(zLine[1])=='o'
+ && _all_whitespace(&zLine[2]) ){
+ return 1; /* SQL Server */
+ }
+ return 0;
+}
+
+/*
+** Return true if zSql is a complete SQL statement. Return false if it
+** ends in the middle of a string literal or C-style comment.
+*/
+static int _is_complete(char *zSql, int nSql){
+ int rc;
+ if( zSql==0 ) return 1;
+ zSql[nSql] = ';';
+ zSql[nSql+1] = 0;
+ rc = sqlite3_complete(zSql);
+ zSql[nSql] = 0;
+ return rc;
+}
+
+/*
+** Read input from *in and process it. If *in==0 then input
+** is interactive - the user is typing it it. Otherwise, input
+** is coming from a file or device. A prompt is issued and history
+** is saved only if input is interactive. An interrupt signal will
+** cause this routine to exit immediately, unless input is interactive.
+**
+** Return the number of errors.
+*/
+static int process_input(struct callback_data *p, FILE *in){
+ char *zLine = 0;
+ char *zSql = 0;
+ int nSql = 0;
+ int nSqlPrior = 0;
+ char *zErrMsg;
+ int rc;
+ int errCnt = 0;
+ int lineno = 0;
+ int startline = 0;
+
+ while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){
+ fflush(p->out);
+ free(zLine);
+ zLine = one_input_line(zSql, in);
+ if( zLine==0 ){
+ break; /* We have reached EOF */
+ }
+ if( seenInterrupt ){
+ if( in!=0 ) break;
+ seenInterrupt = 0;
+ }
+ lineno++;
+ if( (zSql==0 || zSql[0]==0) && _all_whitespace(zLine) ) continue;
+ if( zLine && zLine[0]=='.' && nSql==0 ){
+ if( p->echoOn ) printf("%s\n", zLine);
+ rc = do_meta_command(zLine, p);
+ if( rc==2 ){ /* exit requested */
+ break;
+ }else if( rc ){
+ errCnt++;
+ }
+ continue;
+ }
+ if( _is_command_terminator(zLine) && _is_complete(zSql, nSql) ){
+ memcpy(zLine,";",2);
+ }
+ nSqlPrior = nSql;
+ if( zSql==0 ){
+ int i;
+ for(i=0; zLine[i] && isspace((unsigned char)zLine[i]); i++){}
+ if( zLine[i]!=0 ){
+ nSql = strlen30(zLine);
+ zSql = malloc( nSql+3 );
+ if( zSql==0 ){
+ fprintf(stderr, "Error: out of memory\n");
+ exit(1);
+ }
+ memcpy(zSql, zLine, nSql+1);
+ startline = lineno;
+ }
+ }else{
+ int len = strlen30(zLine);
+ zSql = realloc( zSql, nSql + len + 4 );
+ if( zSql==0 ){
+ fprintf(stderr,"Error: out of memory\n");
+ exit(1);
+ }
+ zSql[nSql++] = '\n';
+ memcpy(&zSql[nSql], zLine, len+1);
+ nSql += len;
+ }
+ if( zSql && _contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
+ && sqlite3_complete(zSql) ){
+ p->cnt = 0;
+ open_db(p);
+ BEGIN_TIMER;
+ rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
+ END_TIMER;
+ if( rc || zErrMsg ){
+ char zPrefix[100];
+ if( in!=0 || !stdin_is_interactive ){
+ sqlite3_snprintf(sizeof(zPrefix), zPrefix,
+ "Error: near line %d:", startline);
+ }else{
+ sqlite3_snprintf(sizeof(zPrefix), zPrefix, "Error:");
+ }
+ if( zErrMsg!=0 ){
+ fprintf(stderr, "%s %s\n", zPrefix, zErrMsg);
+ sqlite3_free(zErrMsg);
+ zErrMsg = 0;
+ }else{
+ fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
+ }
+ errCnt++;
+ }
+ free(zSql);
+ zSql = 0;
+ nSql = 0;
+ }
+ }
+ if( zSql ){
+ if( !_all_whitespace(zSql) ){
+ fprintf(stderr, "Error: incomplete SQL: %s\n", zSql);
+ }
+ free(zSql);
+ }
+ free(zLine);
+ return errCnt;
+}
+
+/*
+** Return a pathname which is the user's home directory. A
+** 0 return indicates an error of some kind. Space to hold the
+** resulting string is obtained from malloc(). The calling
+** function should free the result.
+*/
+static char *find_home_dir(void){
+ char *home_dir = NULL;
+
+#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) && !defined(_WIN32_WCE) && !defined(__RTP__) && !defined(_WRS_KERNEL)
+ struct passwd *pwent;
+ uid_t uid = getuid();
+ if( (pwent=getpwuid(uid)) != NULL) {
+ home_dir = pwent->pw_dir;
+ }
+#endif
+
+#if defined(_WIN32_WCE)
+ /* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv()
+ */
+ home_dir = strdup("/");
+#else
+
+#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
+ if (!home_dir) {
+ home_dir = getenv("USERPROFILE");
+ }
+#endif
+
+ if (!home_dir) {
+ home_dir = getenv("HOME");
+ }
+
+#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
+ if (!home_dir) {
+ char *zDrive, *zPath;
+ int n;
+ zDrive = getenv("HOMEDRIVE");
+ zPath = getenv("HOMEPATH");
+ if( zDrive && zPath ){
+ n = strlen30(zDrive) + strlen30(zPath) + 1;
+ home_dir = malloc( n );
+ if( home_dir==0 ) return 0;
+ sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath);
+ return home_dir;
+ }
+ home_dir = "c:\\";
+ }
+#endif
+
+#endif /* !_WIN32_WCE */
+
+ if( home_dir ){
+ int n = strlen30(home_dir) + 1;
+ char *z = malloc( n );
+ if( z ) memcpy(z, home_dir, n);
+ home_dir = z;
+ }
+
+ return home_dir;
+}
+
+/*
+** Read input from the file given by sqliterc_override. Or if that
+** parameter is NULL, take input from ~/.sqliterc
+**
+** Returns the number of errors.
+*/
+static int process_sqliterc(
+ struct callback_data *p, /* Configuration data */
+ const char *sqliterc_override /* Name of config file. NULL to use default */
+){
+ char *home_dir = NULL;
+ const char *sqliterc = sqliterc_override;
+ char *zBuf = 0;
+ FILE *in = NULL;
+ int nBuf;
+ int rc = 0;
+
+ if (sqliterc == NULL) {
+ home_dir = find_home_dir();
+ if( home_dir==0 ){
+#if !defined(__RTP__) && !defined(_WRS_KERNEL)
+ fprintf(stderr,"%s: Error: cannot locate your home directory\n", Argv0);
+#endif
+ return 1;
+ }
+ nBuf = strlen30(home_dir) + 16;
+ zBuf = malloc( nBuf );
+ if( zBuf==0 ){
+ fprintf(stderr,"%s: Error: out of memory\n",Argv0);
+ return 1;
+ }
+ sqlite3_snprintf(nBuf, zBuf,"%s/.sqliterc",home_dir);
+ free(home_dir);
+ sqliterc = (const char*)zBuf;
+ }
+ in = fopen(sqliterc,"rb");
+ if( in ){
+ if( stdin_is_interactive ){
+ fprintf(stderr,"-- Loading resources from %s\n",sqliterc);
+ }
+ rc = process_input(p,in);
+ fclose(in);
+ }
+ free(zBuf);
+ return rc;
+}
+
+/*
+** Show available command line options
+*/
+static const char zOptions[] =
+ " -help show this message\n"
+ " -init filename read/process named file\n"
+ " -echo print commands before execution\n"
+ " -[no]header turn headers on or off\n"
+ " -bail stop after hitting an error\n"
+ " -interactive force interactive I/O\n"
+ " -batch force batch I/O\n"
+ " -column set output mode to 'column'\n"
+ " -csv set output mode to 'csv'\n"
+ " -html set output mode to HTML\n"
+ " -line set output mode to 'line'\n"
+ " -list set output mode to 'list'\n"
+ " -separator 'x' set output field separator (|)\n"
+ " -stats print memory stats before each finalize\n"
+ " -nullvalue 'text' set text string for NULL values\n"
+ " -version show SQLite version\n"
+ " -vfs NAME use NAME as the default VFS\n"
+#ifdef SQLITE_ENABLE_VFSTRACE
+ " -vfstrace enable tracing of all VFS calls\n"
+#endif
+;
+static void usage(int showDetail){
+ fprintf(stderr,
+ "Usage: %s [OPTIONS] FILENAME [SQL]\n"
+ "FILENAME is the name of an SQLite database. A new database is created\n"
+ "if the file does not previously exist.\n", Argv0);
+ if( showDetail ){
+ fprintf(stderr, "OPTIONS include:\n%s", zOptions);
+ }else{
+ fprintf(stderr, "Use the -help option for additional information\n");
+ }
+ exit(1);
+}
+
+/*
+** Initialize the state information in data
+*/
+static void main_init(struct callback_data *data) {
+ memset(data, 0, sizeof(*data));
+ data->mode = MODE_List;
+ memcpy(data->separator,"|", 2);
+ data->showHeader = 0;
+ sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data);
+ sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> ");
+ sqlite3_snprintf(sizeof(continuePrompt), continuePrompt," ...> ");
+ sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
+}
+
+int main(int argc, char **argv){
+ char *zErrMsg = 0;
+ struct callback_data data;
+ const char *zInitFile = 0;
+ char *zFirstCmd = 0;
+ int i;
+ int rc = 0;
+
+ Argv0 = argv[0];
+ main_init(&data);
+ stdin_is_interactive = isatty(0);
+
+ /* Make sure we have a valid signal handler early, before anything
+ ** else is done.
+ */
+#ifdef SIGINT
+ signal(SIGINT, interrupt_handler);
+#endif
+
+ /* Do an initial pass through the command-line argument to locate
+ ** the name of the database file, the name of the initialization file,
+ ** the size of the alternative malloc heap,
+ ** and the first command to execute.
+ */
+ for(i=1; i<argc-1; i++){
+ char *z;
+ if( argv[i][0]!='-' ) break;
+ z = argv[i];
+ if( z[0]=='-' && z[1]=='-' ) z++;
+ if( strcmp(argv[i],"-separator")==0 || strcmp(argv[i],"-nullvalue")==0 ){
+ i++;
+ }else if( strcmp(argv[i],"-init")==0 ){
+ i++;
+ zInitFile = argv[i];
+ /* Need to check for batch mode here to so we can avoid printing
+ ** informational messages (like from process_sqliterc) before
+ ** we do the actual processing of arguments later in a second pass.
+ */
+ }else if( strcmp(argv[i],"-batch")==0 ){
+ stdin_is_interactive = 0;
+ }else if( strcmp(argv[i],"-heap")==0 ){
+ int j, c;
+ const char *zSize;
+ sqlite3_int64 szHeap;
+
+ zSize = argv[++i];
+ szHeap = atoi(zSize);
+ for(j=0; (c = zSize[j])!=0; j++){
+ if( c=='M' ){ szHeap *= 1000000; break; }
+ if( c=='K' ){ szHeap *= 1000; break; }
+ if( c=='G' ){ szHeap *= 1000000000; break; }
+ }
+ if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000;
+#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
+ sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64);
+#endif
+#ifdef SQLITE_ENABLE_VFSTRACE
+ }else if( strcmp(argv[i],"-vfstrace")==0 ){
+ extern int vfstrace_register(
+ const char *zTraceName,
+ const char *zOldVfsName,
+ int (*xOut)(const char*,void*),
+ void *pOutArg,
+ int makeDefault
+ );
+ vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1);
+#endif
+ }else if( strcmp(argv[i],"-vfs")==0 ){
+ sqlite3_vfs *pVfs = sqlite3_vfs_find(argv[++i]);
+ if( pVfs ){
+ sqlite3_vfs_register(pVfs, 1);
+ }else{
+ fprintf(stderr, "no such VFS: \"%s\"\n", argv[i]);
+ exit(1);
+ }
+ }
+ }
+ if( i<argc ){
+#if defined(SQLITE_OS_OS2) && SQLITE_OS_OS2
+ data.zDbFilename = (const char *)convertCpPathToUtf8( argv[i++] );
+#else
+ data.zDbFilename = argv[i++];
+#endif
+ }else{
+#ifndef SQLITE_OMIT_MEMORYDB
+ data.zDbFilename = ":memory:";
+#else
+ data.zDbFilename = 0;
+#endif
+ }
+ if( i<argc ){
+ zFirstCmd = argv[i++];
+ }
+ if( i<argc ){
+ fprintf(stderr,"%s: Error: too many options: \"%s\"\n", Argv0, argv[i]);
+ fprintf(stderr,"Use -help for a list of options.\n");
+ return 1;
+ }
+ data.out = stdout;
+
+#ifdef SQLITE_OMIT_MEMORYDB
+ if( data.zDbFilename==0 ){
+ fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
+ return 1;
+ }
+#endif
+
+ /* Go ahead and open the database file if it already exists. If the
+ ** file does not exist, delay opening it. This prevents empty database
+ ** files from being created if a user mistypes the database name argument
+ ** to the sqlite command-line tool.
+ */
+ if( access(data.zDbFilename, 0)==0 ){
+ open_db(&data);
+ }
+
+ /* Process the initialization file if there is one. If no -init option
+ ** is given on the command line, look for a file named ~/.sqliterc and
+ ** try to process it.
+ */
+ rc = process_sqliterc(&data,zInitFile);
+ if( rc>0 ){
+ return rc;
+ }
+
+ /* Make a second pass through the command-line argument and set
+ ** options. This second pass is delayed until after the initialization
+ ** file is processed so that the command-line arguments will override
+ ** settings in the initialization file.
+ */
+ for(i=1; i<argc && argv[i][0]=='-'; i++){
+ char *z = argv[i];
+ if( z[1]=='-' ){ z++; }
+ if( strcmp(z,"-init")==0 ){
+ i++;
+ }else if( strcmp(z,"-html")==0 ){
+ data.mode = MODE_Html;
+ }else if( strcmp(z,"-list")==0 ){
+ data.mode = MODE_List;
+ }else if( strcmp(z,"-line")==0 ){
+ data.mode = MODE_Line;
+ }else if( strcmp(z,"-column")==0 ){
+ data.mode = MODE_Column;
+ }else if( strcmp(z,"-csv")==0 ){
+ data.mode = MODE_Csv;
+ memcpy(data.separator,",",2);
+ }else if( strcmp(z,"-separator")==0 ){
+ i++;
+ if(i>=argc){
+ fprintf(stderr,"%s: Error: missing argument for option: %s\n", Argv0, z);
+ fprintf(stderr,"Use -help for a list of options.\n");
+ return 1;
+ }
+ sqlite3_snprintf(sizeof(data.separator), data.separator,
+ "%.*s",(int)sizeof(data.separator)-1,argv[i]);
+ }else if( strcmp(z,"-nullvalue")==0 ){
+ i++;
+ if(i>=argc){
+ fprintf(stderr,"%s: Error: missing argument for option: %s\n", Argv0, z);
+ fprintf(stderr,"Use -help for a list of options.\n");
+ return 1;
+ }
+ sqlite3_snprintf(sizeof(data.nullvalue), data.nullvalue,
+ "%.*s",(int)sizeof(data.nullvalue)-1,argv[i]);
+ }else if( strcmp(z,"-header")==0 ){
+ data.showHeader = 1;
+ }else if( strcmp(z,"-noheader")==0 ){
+ data.showHeader = 0;
+ }else if( strcmp(z,"-echo")==0 ){
+ data.echoOn = 1;
+ }else if( strcmp(z,"-stats")==0 ){
+ data.statsOn = 1;
+ }else if( strcmp(z,"-bail")==0 ){
+ bail_on_error = 1;
+ }else if( strcmp(z,"-version")==0 ){
+ printf("%s\n", sqlite3_libversion());
+ return 0;
+ }else if( strcmp(z,"-interactive")==0 ){
+ stdin_is_interactive = 1;
+ }else if( strcmp(z,"-batch")==0 ){
+ stdin_is_interactive = 0;
+ }else if( strcmp(z,"-heap")==0 ){
+ i++;
+ }else if( strcmp(z,"-vfs")==0 ){
+ i++;
+ }else if( strcmp(z,"-vfstrace")==0 ){
+ i++;
+ }else if( strcmp(z,"-help")==0 || strcmp(z, "--help")==0 ){
+ usage(1);
+ }else{
+ fprintf(stderr,"%s: Error: unknown option: %s\n", Argv0, z);
+ fprintf(stderr,"Use -help for a list of options.\n");
+ return 1;
+ }
+ }
+
+ if( zFirstCmd ){
+ /* Run just the command that follows the database name
+ */
+ if( zFirstCmd[0]=='.' ){
+ rc = do_meta_command(zFirstCmd, &data);
+ }else{
+ open_db(&data);
+ rc = shell_exec(data.db, zFirstCmd, shell_callback, &data, &zErrMsg);
+ if( zErrMsg!=0 ){
+ fprintf(stderr,"Error: %s\n", zErrMsg);
+ return rc!=0 ? rc : 1;
+ }else if( rc!=0 ){
+ fprintf(stderr,"Error: unable to process SQL \"%s\"\n", zFirstCmd);
+ return rc;
+ }
+ }
+ }else{
+ /* Run commands received from standard input
+ */
+ if( stdin_is_interactive ){
+ char *zHome;
+ char *zHistory = 0;
+ int nHistory;
+ printf(
+ "SQLite version %s\n"
+ "Enter \".help\" for instructions\n"
+ "Enter SQL statements terminated with a \";\"\n",
+ sqlite3_libversion()
+ );
+ zHome = find_home_dir();
+ if( zHome ){
+ nHistory = strlen30(zHome) + 20;
+ if( (zHistory = malloc(nHistory))!=0 ){
+ sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
+ }
+ }
+#if defined(HAVE_READLINE) && HAVE_READLINE==1
+ if( zHistory ) read_history(zHistory);
+#endif
+ rc = process_input(&data, 0);
+ if( zHistory ){
+ stifle_history(100);
+ write_history(zHistory);
+ free(zHistory);
+ }
+ free(zHome);
+ }else{
+ rc = process_input(&data, stdin);
+ }
+ }
+ set_table_name(&data, 0);
+ if( data.db ){
+ sqlite3_close(data.db);
+ }
+ return rc;
+}
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