Delete bundled copy of NSS and replace with README.

nspr/pr/src/io/prlog.c

Index: nspr/pr/src/io/prlog.c
diff --git a/nspr/pr/src/io/prlog.c b/nspr/pr/src/io/prlog.c
deleted file mode 100644
index 6098460edebdd4e5d38c5f915d630e0b10b7d1b5..0000000000000000000000000000000000000000
--- a/nspr/pr/src/io/prlog.c
+++ /dev/null
@@ -1,554 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "primpl.h"
-#include "prenv.h"
-#include "prprf.h"
-#include <string.h>
-#ifdef ANDROID
-#include <android/log.h>
-#endif
-
-/*
- * Lock used to lock the log.
- *
- * We can't define _PR_LOCK_LOG simply as PR_Lock because PR_Lock may
- * contain assertions.  We have to avoid assertions in _PR_LOCK_LOG
- * because PR_ASSERT calls PR_LogPrint, which in turn calls _PR_LOCK_LOG.
- * This can lead to infinite recursion.
- */
-static PRLock *_pr_logLock;
-#if defined(_PR_PTHREADS) || defined(_PR_BTHREADS)
-#define _PR_LOCK_LOG() PR_Lock(_pr_logLock);
-#define _PR_UNLOCK_LOG() PR_Unlock(_pr_logLock);
-#elif defined(_PR_GLOBAL_THREADS_ONLY)
-#define _PR_LOCK_LOG() { _PR_LOCK_LOCK(_pr_logLock)
-#define _PR_UNLOCK_LOG() _PR_LOCK_UNLOCK(_pr_logLock); }
-#else
-
-#define _PR_LOCK_LOG() \
-{ \
-    PRIntn _is; \
-    PRThread *_me = _PR_MD_CURRENT_THREAD(); \
-    if (!_PR_IS_NATIVE_THREAD(_me)) \
-        _PR_INTSOFF(_is); \
-    _PR_LOCK_LOCK(_pr_logLock)
-
-#define _PR_UNLOCK_LOG() \
-    _PR_LOCK_UNLOCK(_pr_logLock); \
-    PR_ASSERT(_me == _PR_MD_CURRENT_THREAD()); \
-    if (!_PR_IS_NATIVE_THREAD(_me)) \
-        _PR_INTSON(_is); \
-}
-
-#endif
-
-#if defined(XP_PC)
-#define strcasecmp stricmp
-#endif
-
-/*
- * On NT, we can't define _PUT_LOG as PR_Write or _PR_MD_WRITE,
- * because every asynchronous file io operation leads to a fiber context
- * switch.  So we define _PUT_LOG as fputs (from stdio.h).  A side
- * benefit is that fputs handles the LF->CRLF translation.  This
- * code can also be used on other platforms with file stream io.
- */
-#if defined(WIN32) || defined(XP_OS2)
-#define _PR_USE_STDIO_FOR_LOGGING
-#endif
-
-/*
-** Coerce Win32 log output to use OutputDebugString() when
-** NSPR_LOG_FILE is set to "WinDebug".
-*/
-#if defined(XP_PC)
-#define WIN32_DEBUG_FILE (FILE*)-2
-#endif
-
-#ifdef WINCE
-static void OutputDebugStringA(const char* msg) {
-    int len = MultiByteToWideChar(CP_ACP, 0, msg, -1, 0, 0);
-    WCHAR *wMsg = (WCHAR *)PR_Malloc(len * sizeof(WCHAR));
-    MultiByteToWideChar(CP_ACP, 0, msg, -1, wMsg, len);
-    OutputDebugStringW(wMsg);
-    PR_Free(wMsg);
-}
-#endif
-
-/* Macros used to reduce #ifdef pollution */
-
-#if defined(_PR_USE_STDIO_FOR_LOGGING) && defined(XP_PC)
-#define _PUT_LOG(fd, buf, nb) \
-    PR_BEGIN_MACRO \
-    if (logFile == WIN32_DEBUG_FILE) { \
-        char savebyte = buf[nb]; \
-        buf[nb] = '\0'; \
-        OutputDebugStringA(buf); \
-        buf[nb] = savebyte; \
-    } else { \
-        fwrite(buf, 1, nb, fd); \
-        fflush(fd); \
-    } \
-    PR_END_MACRO
-#elif defined(_PR_USE_STDIO_FOR_LOGGING)
-#define _PUT_LOG(fd, buf, nb) {fwrite(buf, 1, nb, fd); fflush(fd);}
-#elif defined(ANDROID)
-#define _PUT_LOG(fd, buf, nb)                                \
-    PR_BEGIN_MACRO                                           \
-    if (fd == _pr_stderr) {                                  \
-        char savebyte = buf[nb];                             \
-        buf[nb] = '\0';                                      \
-        __android_log_write(ANDROID_LOG_INFO, "PRLog", buf); \
-        buf[nb] = savebyte;                                  \
-    } else {                                                 \
-        PR_Write(fd, buf, nb);                               \
-    }                                                        \
-    PR_END_MACRO
-#elif defined(_PR_PTHREADS)
-#define _PUT_LOG(fd, buf, nb) PR_Write(fd, buf, nb)
-#else
-#define _PUT_LOG(fd, buf, nb) _PR_MD_WRITE(fd, buf, nb)
-#endif
-
-/************************************************************************/
-
-static PRLogModuleInfo *logModules;
-
-static char *logBuf = NULL;
-static char *logp;
-static char *logEndp;
-#ifdef _PR_USE_STDIO_FOR_LOGGING
-static FILE *logFile = NULL;
-#else
-static PRFileDesc *logFile = 0;
-#endif
-static PRBool outputTimeStamp = PR_FALSE;
-static PRBool appendToLog = PR_FALSE;
-
-#define LINE_BUF_SIZE           512
-#define DEFAULT_BUF_SIZE        16384
-
-#ifdef _PR_NEED_STRCASECMP
-
-/*
- * strcasecmp is defined in /usr/ucblib/libucb.a on some platforms
- * such as NCR and Unixware.  Linking with both libc and libucb
- * may cause some problem, so I just provide our own implementation
- * of strcasecmp here.
- */
-
-static const unsigned char uc[] =
-{
-    '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
-    '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
-    '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
-    '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
-    ' ',    '!',    '"',    '#',    '$',    '%',    '&',    '\'',
-    '(',    ')',    '*',    '+',    ',',    '-',    '.',    '/',
-    '0',    '1',    '2',    '3',    '4',    '5',    '6',    '7',
-    '8',    '9',    ':',    ';',    '<',    '=',    '>',    '?',
-    '@',    'A',    'B',    'C',    'D',    'E',    'F',    'G',
-    'H',    'I',    'J',    'K',    'L',    'M',    'N',    'O',
-    'P',    'Q',    'R',    'S',    'T',    'U',    'V',    'W',
-    'X',    'Y',    'Z',    '[',    '\\',   ']',    '^',    '_',
-    '`',    'A',    'B',    'C',    'D',    'E',    'F',    'G',
-    'H',    'I',    'J',    'K',    'L',    'M',    'N',    'O',
-    'P',    'Q',    'R',    'S',    'T',    'U',    'V',    'W',
-    'X',    'Y',    'Z',    '{',    '|',    '}',    '~',    '\177'
-};
-
-PRIntn strcasecmp(const char *a, const char *b)
-{
-    const unsigned char *ua = (const unsigned char *)a;
-    const unsigned char *ub = (const unsigned char *)b;
-
-    if( ((const char *)0 == a) || (const char *)0 == b ) 
-        return (PRIntn)(a-b);
-
-    while( (uc[*ua] == uc[*ub]) && ('\0' != *a) )
-    {
-        a++;
-        ua++;
-        ub++;
-    }
-
-    return (PRIntn)(uc[*ua] - uc[*ub]);
-}
-
-#endif /* _PR_NEED_STRCASECMP */
-
-void _PR_InitLog(void)
-{
-    char *ev;
-
-    _pr_logLock = PR_NewLock();
-
-    ev = PR_GetEnv("NSPR_LOG_MODULES");
-    if (ev && ev[0]) {
-        char module[64];  /* Security-Critical: If you change this
-                           * size, you must also change the sscanf
-                           * format string to be size-1.
-                           */
-        PRBool isSync = PR_FALSE;
-        PRIntn evlen = strlen(ev), pos = 0;
-        PRInt32 bufSize = DEFAULT_BUF_SIZE;
-        while (pos < evlen) {
-            PRIntn level = 1, count = 0, delta = 0;
-            count = sscanf(&ev[pos], "%63[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-]%n:%d%n",
-                           module, &delta, &level, &delta);
-            pos += delta;
-            if (count == 0) break;
-
-            /*
-            ** If count == 2, then we got module and level. If count
-            ** == 1, then level defaults to 1 (module enabled).
-            */
-            if (strcasecmp(module, "sync") == 0) {
-                isSync = PR_TRUE;
-            } else if (strcasecmp(module, "bufsize") == 0) {
-                if (level >= LINE_BUF_SIZE) {
-                    bufSize = level;
-                }
-            } else if (strcasecmp(module, "timestamp") == 0) {
-                outputTimeStamp = PR_TRUE;
-            } else if (strcasecmp(module, "append") == 0) {
-                appendToLog = PR_TRUE;
-            } else {
-                PRLogModuleInfo *lm = logModules;
-                PRBool skip_modcheck =
-                    (0 == strcasecmp (module, "all")) ? PR_TRUE : PR_FALSE;
-
-                while (lm != NULL) {
-                    if (skip_modcheck) lm -> level = (PRLogModuleLevel)level;
-                    else if (strcasecmp(module, lm->name) == 0) {
-                        lm->level = (PRLogModuleLevel)level;
-                        break;
-                    }
-                    lm = lm->next;
-                }
-            }
-            /*found:*/
-            count = sscanf(&ev[pos], " , %n", &delta);
-            pos += delta;
-            if (count == EOF) break;
-        }
-        PR_SetLogBuffering(isSync ? 0 : bufSize);
-
-        ev = PR_GetEnvSecure("NSPR_LOG_FILE");
-        if (ev && ev[0]) {
-            if (!PR_SetLogFile(ev)) {
-#ifdef XP_PC
-                char* str = PR_smprintf("Unable to create nspr log file '%s'\n", ev);
-                if (str) {
-                    OutputDebugStringA(str);
-                    PR_smprintf_free(str);
-                }
-#else
-                fprintf(stderr, "Unable to create nspr log file '%s'\n", ev);
-#endif
-            }
-        } else {
-#ifdef _PR_USE_STDIO_FOR_LOGGING
-            logFile = stderr;
-#else
-            logFile = _pr_stderr;
-#endif
-        }
-    }
-}
-
-void _PR_LogCleanup(void)
-{
-    PRLogModuleInfo *lm = logModules;
-
-    PR_LogFlush();
-
-#ifdef _PR_USE_STDIO_FOR_LOGGING
-    if (logFile
-        && logFile != stdout
-        && logFile != stderr
-#ifdef XP_PC
-        && logFile != WIN32_DEBUG_FILE
-#endif
-        ) {
-        fclose(logFile);
-    }
-#else
-    if (logFile && logFile != _pr_stdout && logFile != _pr_stderr) {
-        PR_Close(logFile);
-    }
-#endif
-    logFile = NULL;
-
-    if (logBuf)
-        PR_DELETE(logBuf);
-
-    while (lm != NULL) {
-        PRLogModuleInfo *next = lm->next;
-        free((/*const*/ char *)lm->name);
-        PR_Free(lm);
-        lm = next;
-    }
-    logModules = NULL;
-
-    if (_pr_logLock) {
-        PR_DestroyLock(_pr_logLock);
-        _pr_logLock = NULL;
-    }
-}
-
-static void _PR_SetLogModuleLevel( PRLogModuleInfo *lm )
-{
-    char *ev;
-
-    ev = PR_GetEnv("NSPR_LOG_MODULES");
-    if (ev && ev[0]) {
-        char module[64];  /* Security-Critical: If you change this
-                           * size, you must also change the sscanf
-                           * format string to be size-1.
-                           */
-        PRIntn evlen = strlen(ev), pos = 0;
-        while (pos < evlen) {
-            PRIntn level = 1, count = 0, delta = 0;
-
-            count = sscanf(&ev[pos], "%63[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-]%n:%d%n",
-                           module, &delta, &level, &delta);
-            pos += delta;
-            if (count == 0) break;
-
-            /*
-            ** If count == 2, then we got module and level. If count
-            ** == 1, then level defaults to 1 (module enabled).
-            */
-            if (lm != NULL)
-            {
-                if ((strcasecmp(module, "all") == 0)
-                    || (strcasecmp(module, lm->name) == 0))
-                {
-                    lm->level = (PRLogModuleLevel)level;
-                }
-            }
-            count = sscanf(&ev[pos], " , %n", &delta);
-            pos += delta;
-            if (count == EOF) break;
-        }
-    }
-} /* end _PR_SetLogModuleLevel() */
-
-PR_IMPLEMENT(PRLogModuleInfo*) PR_NewLogModule(const char *name)
-{
-    PRLogModuleInfo *lm;
-
-        if (!_pr_initialized) _PR_ImplicitInitialization();
-
-    lm = PR_NEWZAP(PRLogModuleInfo);
-    if (lm) {
-        lm->name = strdup(name);
-        lm->level = PR_LOG_NONE;
-        lm->next = logModules;
-        logModules = lm;
-        _PR_SetLogModuleLevel(lm);
-    }
-    return lm;
-}
-
-PR_IMPLEMENT(PRBool) PR_SetLogFile(const char *file)
-{
-#ifdef _PR_USE_STDIO_FOR_LOGGING
-    FILE *newLogFile;
-
-#ifdef XP_PC
-    if ( strcmp( file, "WinDebug") == 0)
-    {
-        newLogFile = WIN32_DEBUG_FILE;
-    }
-    else
-#endif
-    {
-        const char *mode = appendToLog ? "a" : "w";
-        newLogFile = fopen(file, mode);
-        if (!newLogFile)
-            return PR_FALSE;
-
-#ifndef WINCE  /* _IONBF does not exist in the Windows Mobile 6 SDK. */
-        /* We do buffering ourselves. */
-        setvbuf(newLogFile, NULL, _IONBF, 0);
-#endif
-    }
-    if (logFile
-        && logFile != stdout
-        && logFile != stderr
-#ifdef XP_PC
-        && logFile != WIN32_DEBUG_FILE
-#endif
-        ) {
-        fclose(logFile);
-    }
-    logFile = newLogFile;
-    return PR_TRUE;
-#else
-    PRFileDesc *newLogFile;
-    PRIntn flags = PR_WRONLY|PR_CREATE_FILE;
-    if (appendToLog) {
-        flags |= PR_APPEND;
-    } else {
-        flags |= PR_TRUNCATE;
-    }
-
-    newLogFile = PR_Open(file, flags, 0666);
-    if (newLogFile) {
-        if (logFile && logFile != _pr_stdout && logFile != _pr_stderr) {
-            PR_Close(logFile);
-        }
-        logFile = newLogFile;
-    }
-    return (PRBool) (newLogFile != 0);
-#endif /* _PR_USE_STDIO_FOR_LOGGING */
-}
-
-PR_IMPLEMENT(void) PR_SetLogBuffering(PRIntn buffer_size)
-{
-    PR_LogFlush();
-
-    if (logBuf)
-        PR_DELETE(logBuf);
-
-    if (buffer_size >= LINE_BUF_SIZE) {
-        logp = logBuf = (char*) PR_MALLOC(buffer_size);
-        logEndp = logp + buffer_size;
-    }
-}
-
-PR_IMPLEMENT(void) PR_LogPrint(const char *fmt, ...)
-{
-    va_list ap;
-    char line[LINE_BUF_SIZE];
-    char *line_long = NULL;
-    PRUint32 nb_tid = 0, nb;
-    PRThread *me;
-    PRExplodedTime now;
-
-    if (!_pr_initialized) _PR_ImplicitInitialization();
-
-    if (!logFile) {
-        return;
-    }
-
-    if (outputTimeStamp) {
-        PR_ExplodeTime(PR_Now(), PR_GMTParameters, &now);
-        nb_tid = PR_snprintf(line, sizeof(line)-1,
-                             "%04d-%02d-%02d %02d:%02d:%02d.%06d UTC - ",
-                             now.tm_year, now.tm_month + 1, now.tm_mday,
-                             now.tm_hour, now.tm_min, now.tm_sec,
-                             now.tm_usec);
-    }
-
-    me = PR_GetCurrentThread();
-    nb_tid += PR_snprintf(line+nb_tid, sizeof(line)-nb_tid-1, "%ld[%p]: ",
-#if defined(_PR_BTHREADS)
-                          me, me);
-#else
-                          me ? me->id : 0L, me);
-#endif
-
-    va_start(ap, fmt);
-    nb = nb_tid + PR_vsnprintf(line+nb_tid, sizeof(line)-nb_tid-1, fmt, ap);
-    va_end(ap);
-
-    /*
-     * Check if we might have run out of buffer space (in case we have a
-     * long line), and malloc a buffer just this once.
-     */
-    if (nb == sizeof(line)-2) {
-        va_start(ap, fmt);
-        line_long = PR_vsmprintf(fmt, ap);
-        va_end(ap);
-        /* If this failed, we'll fall back to writing the truncated line. */
-    }
-
-    if (line_long) {
-        nb = strlen(line_long);
-        _PR_LOCK_LOG();
-        if (logBuf != 0) {
-            _PUT_LOG(logFile, logBuf, logp - logBuf);
-            logp = logBuf;
-        }
-        /*
-         * Write out the thread id (with an optional timestamp) and the
-         * malloc'ed buffer.
-         */
-        _PUT_LOG(logFile, line, nb_tid);
-        _PUT_LOG(logFile, line_long, nb);
-        /* Ensure there is a trailing newline. */
-        if (!nb || (line_long[nb-1] != '\n')) {
-            char eol[2];
-            eol[0] = '\n';
-            eol[1] = '\0';
-            _PUT_LOG(logFile, eol, 1);
-        }
-        _PR_UNLOCK_LOG();
-        PR_smprintf_free(line_long);
-    } else {
-        /* Ensure there is a trailing newline. */
-        if (nb && (line[nb-1] != '\n')) {
-            line[nb++] = '\n';
-            line[nb] = '\0';
-        }
-        _PR_LOCK_LOG();
-        if (logBuf == 0) {
-            _PUT_LOG(logFile, line, nb);
-        } else {
-            /* If nb can't fit into logBuf, write out logBuf first. */
-            if (logp + nb > logEndp) {
-                _PUT_LOG(logFile, logBuf, logp - logBuf);
-                logp = logBuf;
-            }
-            /* nb is guaranteed to fit into logBuf. */
-            memcpy(logp, line, nb);
-            logp += nb;
-        }
-        _PR_UNLOCK_LOG();
-    }
-    PR_LogFlush();
-}
-
-PR_IMPLEMENT(void) PR_LogFlush(void)
-{
-    if (logBuf && logFile) {
-        _PR_LOCK_LOG();
-            if (logp > logBuf) {
-                _PUT_LOG(logFile, logBuf, logp - logBuf);
-                logp = logBuf;
-            }
-        _PR_UNLOCK_LOG();
-    }
-}
-
-PR_IMPLEMENT(void) PR_Abort(void)
-{
-    PR_LogPrint("Aborting");
-#ifdef ANDROID
-    __android_log_write(ANDROID_LOG_ERROR, "PRLog", "Aborting");
-#endif
-    abort();
-}
-
-PR_IMPLEMENT(void) PR_Assert(const char *s, const char *file, PRIntn ln)
-{
-    PR_LogPrint("Assertion failure: %s, at %s:%d\n", s, file, ln);
-    fprintf(stderr, "Assertion failure: %s, at %s:%d\n", s, file, ln);
-    fflush(stderr);
-#ifdef WIN32
-    DebugBreak();
-#elif defined(XP_OS2)
-    asm("int $3");
-#elif defined(ANDROID)
-    __android_log_assert(NULL, "PRLog", "Assertion failure: %s, at %s:%d\n",
-                         s, file, ln);
-#endif
-    abort();
-}