Get `gn gen` to succeed on Windows

third_party/sqlite/src/tool/speedtest8inst1.c

+/*
+** Performance test for SQLite.
+**
+** This program reads ASCII text from a file named on the command-line
+** and submits that text  to SQLite for evaluation.  A new database
+** is created at the beginning of the program.  All statements are
+** timed using the high-resolution timer built into Intel-class processors.
+**
+** To compile this program, first compile the SQLite library separately
+** will full optimizations.  For example:
+**
+**     gcc -c -O6 -DSQLITE_THREADSAFE=0 sqlite3.c
+**
+** Then link against this program.  But to do optimize this program
+** because that defeats the hi-res timer.
+**
+**     gcc speedtest8.c sqlite3.o -ldl -I../src
+**
+** Then run this program with a single argument which is the name of
+** a file containing SQL script that you want to test:
+**
+**     ./a.out test.db  test.sql
+*/
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include "sqlite3.h"
+
+#include "test_osinst.c"
+
+/*
+** Prepare and run a single statement of SQL.
+*/
+static void prepareAndRun(sqlite3_vfs *pInstVfs, sqlite3 *db, const char *zSql){
+  sqlite3_stmt *pStmt;
+  const char *stmtTail;
+  int rc;
+  char zMessage[1024];
+  zMessage[1023] = '\0';
+
+  sqlite3_uint64 iTime;
+
+  sqlite3_snprintf(1023, zMessage, "sqlite3_prepare_v2: %s", zSql);
+  sqlite3_instvfs_binarylog_marker(pInstVfs, zMessage);
+
+  iTime = sqlite3Hwtime();
+  rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &stmtTail);
+  iTime = sqlite3Hwtime() - iTime;
+  sqlite3_instvfs_binarylog_call(pInstVfs,BINARYLOG_PREPARE_V2,iTime,rc,zSql);
+
+  if( rc==SQLITE_OK ){
+    int nRow = 0;
+
+    sqlite3_snprintf(1023, zMessage, "sqlite3_step loop: %s", zSql);
+    sqlite3_instvfs_binarylog_marker(pInstVfs, zMessage);
+    iTime = sqlite3Hwtime();
+    while( (rc=sqlite3_step(pStmt))==SQLITE_ROW ){ nRow++; }
+    iTime = sqlite3Hwtime() - iTime;
+    sqlite3_instvfs_binarylog_call(pInstVfs, BINARYLOG_STEP, iTime, rc, zSql);
+
+    sqlite3_snprintf(1023, zMessage, "sqlite3_finalize: %s", zSql);
+    sqlite3_instvfs_binarylog_marker(pInstVfs, zMessage);
+    iTime = sqlite3Hwtime();
+    rc = sqlite3_finalize(pStmt);
+    iTime = sqlite3Hwtime() - iTime;
+    sqlite3_instvfs_binarylog_call(pInstVfs, BINARYLOG_FINALIZE, iTime, rc, zSql);
+  }
+}
+
+static int stringcompare(const char *zLeft, const char *zRight){
+  int ii;
+  for(ii=0; zLeft[ii] && zRight[ii]; ii++){
+    if( zLeft[ii]!=zRight[ii] ) return 0;
+  }
+  return( zLeft[ii]==zRight[ii] );
+}
+
+static char *readScriptFile(const char *zFile, int *pnScript){
+  sqlite3_vfs *pVfs = sqlite3_vfs_find(0);
+  sqlite3_file *p;
+  int rc;
+  sqlite3_int64 nByte;
+  char *zData = 0;
+  int flags = SQLITE_OPEN_READONLY|SQLITE_OPEN_MAIN_DB;
+
+  p = (sqlite3_file *)malloc(pVfs->szOsFile);
+  rc = pVfs->xOpen(pVfs, zFile, p, flags, &flags);
+  if( rc!=SQLITE_OK ){
+    goto error_out;
+  }
+
+  rc = p->pMethods->xFileSize(p, &nByte);
+  if( rc!=SQLITE_OK ){
+    goto close_out;
+  }
+
+  zData = (char *)malloc(nByte+1);
+  rc = p->pMethods->xRead(p, zData, nByte, 0);
+  if( rc!=SQLITE_OK ){
+    goto close_out;
+  }
+  zData[nByte] = '\0';
+
+  p->pMethods->xClose(p);
+  free(p);
+  *pnScript = nByte;
+  return zData;
+
+close_out:
+  p->pMethods->xClose(p);
+
+error_out:
+  free(p);
+  free(zData);
+  return 0;
+}
+
+int main(int argc, char **argv){
+
+  const char zUsageMsg[] = 
+    "Usage: %s options...\n"
+    "  where available options are:\n"
+    "\n"
+    "    -db      DATABASE-FILE  (database file to operate on)\n"
+    "    -script  SCRIPT-FILE    (script file to read sql from)\n"
+    "    -log     LOG-FILE       (log file to create)\n"
+    "    -logdata                (log all data to log file)\n"
+    "\n"
+    "  Options -db, -script and -log are compulsory\n"
+    "\n"
+  ;
+
+  const char *zDb = 0;
+  const char *zScript = 0;
+  const char *zLog = 0;
+  int logdata = 0;
+
+  int ii;
+  int i, j;
+  int rc;
+
+  sqlite3_vfs *pInstVfs;                 /* Instrumentation VFS */
+
+  char *zSql = 0;
+  int nSql;
+
+  sqlite3 *db;
+
+  for(ii=1; ii<argc; ii++){
+    if( stringcompare("-db", argv[ii]) && (ii+1)<argc ){
+      zDb = argv[++ii];
+    }
+
+    else if( stringcompare("-script", argv[ii]) && (ii+1)<argc ){
+      zScript = argv[++ii];
+    }
+
+    else if( stringcompare("-log", argv[ii]) && (ii+1)<argc ){
+      zLog = argv[++ii];
+    }
+
+    else if( stringcompare("-logdata", argv[ii]) ){
+      logdata = 1;
+    }
+
+    else {
+      goto usage;
+    }
+  }
+  if( !zDb || !zScript || !zLog ) goto usage;
+
+  zSql = readScriptFile(zScript, &nSql);
+  if( !zSql ){
+    fprintf(stderr, "Failed to read script file\n");
+    return -1;
+  }
+
+  pInstVfs = sqlite3_instvfs_binarylog("logging", 0, zLog, logdata);
+
+  rc = sqlite3_open_v2(
+     zDb, &db, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, "logging"
+  );
+  if( rc!=SQLITE_OK ){
+    fprintf(stderr, "Failed to open db: %s\n", sqlite3_errmsg(db));
+    return -2;
+  }
+
+  for(i=j=0; j<nSql; j++){
+    if( zSql[j]==';' ){
+      int isComplete;
+      char c = zSql[j+1];
+      zSql[j+1] = 0;
+      isComplete = sqlite3_complete(&zSql[i]);
+      zSql[j+1] = c;
+      if( isComplete ){
+        zSql[j] = 0;
+        while( i<j && isspace(zSql[i]) ){ i++; }
+        if( i<j ){
+          prepareAndRun(pInstVfs, db, &zSql[i]);
+        }
+        zSql[j] = ';';
+        i = j+1;
+      }
+    }
+  }
+  
+  sqlite3_instvfs_destroy(pInstVfs);
+  return 0;
+  
+usage:
+  fprintf(stderr, zUsageMsg, argv[0]);
+  return -3;
+}