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Diffstat (limited to 'libcurl/src/lib/memdebug.c')
-rw-r--r--libcurl/src/lib/memdebug.c489
1 files changed, 0 insertions, 489 deletions
diff --git a/libcurl/src/lib/memdebug.c b/libcurl/src/lib/memdebug.c
deleted file mode 100644
index 3b38a74..0000000
--- a/libcurl/src/lib/memdebug.c
+++ /dev/null
@@ -1,489 +0,0 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#ifdef CURLDEBUG
-
-#include <curl/curl.h>
-
-#include "curl_printf.h"
-#include "urldata.h"
-
-#define MEMDEBUG_NODEFINES /* don't redefine the standard functions */
-#include "curl_memory.h"
-#include "memdebug.h"
-
-#ifndef HAVE_ASSERT_H
-# define assert(x) Curl_nop_stmt
-#endif
-
-/*
- * Until 2011-08-17 libcurl's Memory Tracking feature also performed
- * automatic malloc and free filling operations using 0xA5 and 0x13
- * values. Our own preinitialization of dynamically allocated memory
- * might be useful when not using third party memory debuggers, but
- * on the other hand this would fool memory debuggers into thinking
- * that all dynamically allocated memory is properly initialized.
- *
- * As a default setting, libcurl's Memory Tracking feature no longer
- * performs preinitialization of dynamically allocated memory on its
- * own. If you know what you are doing, and really want to retain old
- * behavior, you can achieve this compiling with preprocessor symbols
- * CURL_MT_MALLOC_FILL and CURL_MT_FREE_FILL defined with appropriate
- * values.
- */
-
-#ifdef CURL_MT_MALLOC_FILL
-# if (CURL_MT_MALLOC_FILL < 0) || (CURL_MT_MALLOC_FILL > 0xff)
-# error "invalid CURL_MT_MALLOC_FILL or out of range"
-# endif
-#endif
-
-#ifdef CURL_MT_FREE_FILL
-# if (CURL_MT_FREE_FILL < 0) || (CURL_MT_FREE_FILL > 0xff)
-# error "invalid CURL_MT_FREE_FILL or out of range"
-# endif
-#endif
-
-#if defined(CURL_MT_MALLOC_FILL) && defined(CURL_MT_FREE_FILL)
-# if (CURL_MT_MALLOC_FILL == CURL_MT_FREE_FILL)
-# error "CURL_MT_MALLOC_FILL same as CURL_MT_FREE_FILL"
-# endif
-#endif
-
-#ifdef CURL_MT_MALLOC_FILL
-# define mt_malloc_fill(buf,len) memset((buf), CURL_MT_MALLOC_FILL, (len))
-#else
-# define mt_malloc_fill(buf,len) Curl_nop_stmt
-#endif
-
-#ifdef CURL_MT_FREE_FILL
-# define mt_free_fill(buf,len) memset((buf), CURL_MT_FREE_FILL, (len))
-#else
-# define mt_free_fill(buf,len) Curl_nop_stmt
-#endif
-
-struct memdebug {
- size_t size;
- union {
- curl_off_t o;
- double d;
- void * p;
- } mem[1];
- /* I'm hoping this is the thing with the strictest alignment
- * requirements. That also means we waste some space :-( */
-};
-
-/*
- * Note that these debug functions are very simple and they are meant to
- * remain so. For advanced analysis, record a log file and write perl scripts
- * to analyze them!
- *
- * Don't use these with multithreaded test programs!
- */
-
-#define logfile curl_debuglogfile
-FILE *curl_debuglogfile = NULL;
-static bool memlimit = FALSE; /* enable memory limit */
-static long memsize = 0; /* set number of mallocs allowed */
-
-/* this sets the log file name */
-void curl_memdebug(const char *logname)
-{
- if(!logfile) {
- if(logname && *logname)
- logfile = fopen(logname, "w");
- else
- logfile = stderr;
-#ifdef MEMDEBUG_LOG_SYNC
- /* Flush the log file after every line so the log isn't lost in a crash */
- setvbuf(logfile, (char *)NULL, _IOLBF, 0);
-#endif
- }
-}
-
-/* This function sets the number of malloc() calls that should return
- successfully! */
-void curl_memlimit(long limit)
-{
- if(!memlimit) {
- memlimit = TRUE;
- memsize = limit;
- }
-}
-
-/* returns TRUE if this isn't allowed! */
-static bool countcheck(const char *func, int line, const char *source)
-{
- /* if source is NULL, then the call is made internally and this check
- should not be made */
- if(memlimit && source) {
- if(!memsize) {
- if(source) {
- /* log to file */
- curl_memlog("LIMIT %s:%d %s reached memlimit\n",
- source, line, func);
- /* log to stderr also */
- fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
- source, line, func);
- }
- SET_ERRNO(ENOMEM);
- return TRUE; /* RETURN ERROR! */
- }
- else
- memsize--; /* countdown */
-
- /* log the countdown */
- if(source)
- curl_memlog("LIMIT %s:%d %ld ALLOCS left\n",
- source, line, memsize);
-
- }
-
- return FALSE; /* allow this */
-}
-
-void *curl_domalloc(size_t wantedsize, int line, const char *source)
-{
- struct memdebug *mem;
- size_t size;
-
- assert(wantedsize != 0);
-
- if(countcheck("malloc", line, source))
- return NULL;
-
- /* alloc at least 64 bytes */
- size = sizeof(struct memdebug)+wantedsize;
-
- mem = (Curl_cmalloc)(size);
- if(mem) {
- /* fill memory with junk */
- mt_malloc_fill(mem->mem, wantedsize);
- mem->size = wantedsize;
- }
-
- if(source)
- curl_memlog("MEM %s:%d malloc(%zu) = %p\n",
- source, line, wantedsize,
- mem ? (void *)mem->mem : (void *)0);
-
- return (mem ? mem->mem : NULL);
-}
-
-void *curl_docalloc(size_t wanted_elements, size_t wanted_size,
- int line, const char *source)
-{
- struct memdebug *mem;
- size_t size, user_size;
-
- assert(wanted_elements != 0);
- assert(wanted_size != 0);
-
- if(countcheck("calloc", line, source))
- return NULL;
-
- /* alloc at least 64 bytes */
- user_size = wanted_size * wanted_elements;
- size = sizeof(struct memdebug) + user_size;
-
- mem = (Curl_ccalloc)(1, size);
- if(mem)
- mem->size = user_size;
-
- if(source)
- curl_memlog("MEM %s:%d calloc(%zu,%zu) = %p\n",
- source, line, wanted_elements, wanted_size,
- mem ? (void *)mem->mem : (void *)0);
-
- return (mem ? mem->mem : NULL);
-}
-
-char *curl_dostrdup(const char *str, int line, const char *source)
-{
- char *mem;
- size_t len;
-
- assert(str != NULL);
-
- if(countcheck("strdup", line, source))
- return NULL;
-
- len=strlen(str)+1;
-
- mem=curl_domalloc(len, 0, NULL); /* NULL prevents logging */
- if(mem)
- memcpy(mem, str, len);
-
- if(source)
- curl_memlog("MEM %s:%d strdup(%p) (%zu) = %p\n",
- source, line, (void *)str, len, (void *)mem);
-
- return mem;
-}
-
-#if defined(WIN32) && defined(UNICODE)
-wchar_t *curl_dowcsdup(const wchar_t *str, int line, const char *source)
-{
- wchar_t *mem;
- size_t wsiz, bsiz;
-
- assert(str != NULL);
-
- if(countcheck("wcsdup", line, source))
- return NULL;
-
- wsiz = wcslen(str) + 1;
- bsiz = wsiz * sizeof(wchar_t);
-
- mem = curl_domalloc(bsiz, 0, NULL); /* NULL prevents logging */
- if(mem)
- memcpy(mem, str, bsiz);
-
- if(source)
- curl_memlog("MEM %s:%d wcsdup(%p) (%zu) = %p\n",
- source, line, (void *)str, bsiz, (void *)mem);
-
- return mem;
-}
-#endif
-
-/* We provide a realloc() that accepts a NULL as pointer, which then
- performs a malloc(). In order to work with ares. */
-void *curl_dorealloc(void *ptr, size_t wantedsize,
- int line, const char *source)
-{
- struct memdebug *mem=NULL;
-
- size_t size = sizeof(struct memdebug)+wantedsize;
-
- assert(wantedsize != 0);
-
- if(countcheck("realloc", line, source))
- return NULL;
-
-#ifdef __INTEL_COMPILER
-# pragma warning(push)
-# pragma warning(disable:1684)
- /* 1684: conversion from pointer to same-sized integral type */
-#endif
-
- if(ptr)
- mem = (void *)((char *)ptr - offsetof(struct memdebug, mem));
-
-#ifdef __INTEL_COMPILER
-# pragma warning(pop)
-#endif
-
- mem = (Curl_crealloc)(mem, size);
- if(source)
- curl_memlog("MEM %s:%d realloc(%p, %zu) = %p\n",
- source, line, (void *)ptr, wantedsize,
- mem ? (void *)mem->mem : (void *)0);
-
- if(mem) {
- mem->size = wantedsize;
- return mem->mem;
- }
-
- return NULL;
-}
-
-void curl_dofree(void *ptr, int line, const char *source)
-{
- struct memdebug *mem;
-
- if(ptr) {
-
-#ifdef __INTEL_COMPILER
-# pragma warning(push)
-# pragma warning(disable:1684)
- /* 1684: conversion from pointer to same-sized integral type */
-#endif
-
- mem = (void *)((char *)ptr - offsetof(struct memdebug, mem));
-
-#ifdef __INTEL_COMPILER
-# pragma warning(pop)
-#endif
-
- /* destroy */
- mt_free_fill(mem->mem, mem->size);
-
- /* free for real */
- (Curl_cfree)(mem);
- }
-
- if(source)
- curl_memlog("MEM %s:%d free(%p)\n", source, line, (void *)ptr);
-}
-
-curl_socket_t curl_socket(int domain, int type, int protocol,
- int line, const char *source)
-{
- const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
- "FD %s:%d socket() = %d\n" :
- (sizeof(curl_socket_t) == sizeof(long)) ?
- "FD %s:%d socket() = %ld\n" :
- "FD %s:%d socket() = %zd\n";
-
- curl_socket_t sockfd = socket(domain, type, protocol);
-
- if(source && (sockfd != CURL_SOCKET_BAD))
- curl_memlog(fmt, source, line, sockfd);
-
- return sockfd;
-}
-
-#ifdef HAVE_SOCKETPAIR
-int curl_socketpair(int domain, int type, int protocol,
- curl_socket_t socket_vector[2],
- int line, const char *source)
-{
- const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
- "FD %s:%d socketpair() = %d %d\n" :
- (sizeof(curl_socket_t) == sizeof(long)) ?
- "FD %s:%d socketpair() = %ld %ld\n" :
- "FD %s:%d socketpair() = %zd %zd\n";
-
- int res = socketpair(domain, type, protocol, socket_vector);
-
- if(source && (0 == res))
- curl_memlog(fmt, source, line, socket_vector[0], socket_vector[1]);
-
- return res;
-}
-#endif
-
-curl_socket_t curl_accept(curl_socket_t s, void *saddr, void *saddrlen,
- int line, const char *source)
-{
- const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
- "FD %s:%d accept() = %d\n" :
- (sizeof(curl_socket_t) == sizeof(long)) ?
- "FD %s:%d accept() = %ld\n" :
- "FD %s:%d accept() = %zd\n";
-
- struct sockaddr *addr = (struct sockaddr *)saddr;
- curl_socklen_t *addrlen = (curl_socklen_t *)saddrlen;
-
- curl_socket_t sockfd = accept(s, addr, addrlen);
-
- if(source && (sockfd != CURL_SOCKET_BAD))
- curl_memlog(fmt, source, line, sockfd);
-
- return sockfd;
-}
-
-/* separate function to allow libcurl to mark a "faked" close */
-void curl_mark_sclose(curl_socket_t sockfd, int line, const char *source)
-{
- const char *fmt = (sizeof(curl_socket_t) == sizeof(int)) ?
- "FD %s:%d sclose(%d)\n":
- (sizeof(curl_socket_t) == sizeof(long)) ?
- "FD %s:%d sclose(%ld)\n":
- "FD %s:%d sclose(%zd)\n";
-
- if(source)
- curl_memlog(fmt, source, line, sockfd);
-}
-
-/* this is our own defined way to close sockets on *ALL* platforms */
-int curl_sclose(curl_socket_t sockfd, int line, const char *source)
-{
- int res=sclose(sockfd);
- curl_mark_sclose(sockfd, line, source);
- return res;
-}
-
-FILE *curl_fopen(const char *file, const char *mode,
- int line, const char *source)
-{
- FILE *res=fopen(file, mode);
-
- if(source)
- curl_memlog("FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
- source, line, file, mode, (void *)res);
-
- return res;
-}
-
-#ifdef HAVE_FDOPEN
-FILE *curl_fdopen(int filedes, const char *mode,
- int line, const char *source)
-{
- FILE *res=fdopen(filedes, mode);
-
- if(source)
- curl_memlog("FILE %s:%d fdopen(\"%d\",\"%s\") = %p\n",
- source, line, filedes, mode, (void *)res);
-
- return res;
-}
-#endif
-
-int curl_fclose(FILE *file, int line, const char *source)
-{
- int res;
-
- assert(file != NULL);
-
- res=fclose(file);
-
- if(source)
- curl_memlog("FILE %s:%d fclose(%p)\n",
- source, line, (void *)file);
-
- return res;
-}
-
-#define LOGLINE_BUFSIZE 1024
-
-/* this does the writting to the memory tracking log file */
-void curl_memlog(const char *format, ...)
-{
- char *buf;
- int nchars;
- va_list ap;
-
- if(!logfile)
- return;
-
- buf = (Curl_cmalloc)(LOGLINE_BUFSIZE);
- if(!buf)
- return;
-
- va_start(ap, format);
- nchars = vsnprintf(buf, LOGLINE_BUFSIZE, format, ap);
- va_end(ap);
-
- if(nchars > LOGLINE_BUFSIZE - 1)
- nchars = LOGLINE_BUFSIZE - 1;
-
- if(nchars > 0)
- fwrite(buf, 1, nchars, logfile);
-
- (Curl_cfree)(buf);
-}
-
-#endif /* CURLDEBUG */
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