#ifdef CURLDEBUG
#include "setup.h"
#include <curl/curl.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#define _MPRINTF_REPLACE
#include <curl/mprintf.h>
#include "urldata.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#define MEMDEBUG_NODEFINES
#include "memory.h"
#include "memdebug.h"
struct memdebug {
size_t size;
double mem[1];
};
#define logfile curl_debuglogfile
FILE *curl_debuglogfile;
static bool memlimit;
static long memsize;
void curl_memdebug(const char *logname)
{
if(logname)
logfile = fopen(logname, "w");
else
logfile = stderr;
}
void curl_memlimit(long limit)
{
memlimit = TRUE;
memsize = limit;
}
static bool countcheck(const char *func, int line, const char *source)
{
if(memlimit && source) {
if(!memsize) {
if(logfile && source)
fprintf(logfile, "LIMIT %s:%d %s reached memlimit\n",
source, line, func);
if(source)
fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
source, line, func);
errno = ENOMEM;
return TRUE;
}
else
memsize--;
if(logfile && source)
fprintf(logfile, "LIMIT %s:%d %ld ALLOCS left\n",
source, line, memsize);
}
return FALSE;
}
void *curl_domalloc(size_t wantedsize, int line, const char *source)
{
struct memdebug *mem;
size_t size;
if(countcheck("malloc", line, source))
return NULL;
size = sizeof(struct memdebug)+wantedsize;
mem=(struct memdebug *)(Curl_cmalloc)(size);
if(mem) {
memset(mem->mem, 0xA5, wantedsize);
mem->size = wantedsize;
}
if(logfile && source)
fprintf(logfile, "MEM %s:%d malloc(%zd) = %p\n",
source, line, wantedsize, mem ? mem->mem : 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;
if(countcheck("calloc", line, source))
return NULL;
user_size = wanted_size * wanted_elements;
size = sizeof(struct memdebug) + user_size;
mem = (struct memdebug *)(Curl_cmalloc)(size);
if(mem) {
memset(mem->mem, 0, user_size);
mem->size = user_size;
}
if(logfile && source)
fprintf(logfile, "MEM %s:%d calloc(%u,%u) = %p\n",
source, line, wanted_elements, wanted_size, mem ? mem->mem : 0);
return (mem ? mem->mem : NULL);
}
char *curl_dostrdup(const char *str, int line, const char *source)
{
char *mem;
size_t len;
curlassert(str != NULL);
if(countcheck("strdup", line, source))
return NULL;
len=strlen(str)+1;
mem=curl_domalloc(len, 0, NULL);
if (mem)
memcpy(mem, str, len);
if(logfile)
fprintf(logfile, "MEM %s:%d strdup(%p) (%zd) = %p\n",
source, line, str, len, mem);
return mem;
}
void *curl_dorealloc(void *ptr, size_t wantedsize,
int line, const char *source)
{
struct memdebug *mem=NULL;
size_t size = sizeof(struct memdebug)+wantedsize;
if(countcheck("realloc", line, source))
return NULL;
if(ptr)
mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
mem=(struct memdebug *)(Curl_crealloc)(mem, size);
if(logfile)
fprintf(logfile, "MEM %s:%d realloc(0x%x, %zd) = %p\n",
source, line, ptr, wantedsize, mem?mem->mem:NULL);
if(mem) {
mem->size = wantedsize;
return mem->mem;
}
return NULL;
}
void curl_dofree(void *ptr, int line, const char *source)
{
struct memdebug *mem;
curlassert(ptr != NULL);
mem = (struct memdebug *)((char *)ptr - offsetof(struct memdebug, mem));
memset(mem->mem, 0x13, mem->size);
(Curl_cfree)(mem);
if(logfile)
fprintf(logfile, "MEM %s:%d free(%p)\n", source, line, ptr);
}
int curl_socket(int domain, int type, int protocol, int line,
const char *source)
{
int sockfd=(socket)(domain, type, protocol);
if(logfile && (sockfd!=-1))
fprintf(logfile, "FD %s:%d socket() = %d\n",
source, line, sockfd);
return sockfd;
}
int curl_accept(int s, void *saddr, void *saddrlen,
int line, const char *source)
{
struct sockaddr *addr = (struct sockaddr *)saddr;
socklen_t *addrlen = (socklen_t *)saddrlen;
int sockfd=(accept)(s, addr, addrlen);
if(logfile)
fprintf(logfile, "FD %s:%d accept() = %d\n",
source, line, sockfd);
return sockfd;
}
int curl_sclose(int sockfd, int line, const char *source)
{
int res=sclose(sockfd);
if(logfile)
fprintf(logfile, "FD %s:%d sclose(%d)\n",
source, line, sockfd);
return res;
}
FILE *curl_fopen(const char *file, const char *mode,
int line, const char *source)
{
FILE *res=(fopen)(file, mode);
if(logfile)
fprintf(logfile, "FILE %s:%d fopen(\"%s\",\"%s\") = %p\n",
source, line, file, mode, res);
return res;
}
int curl_fclose(FILE *file, int line, const char *source)
{
int res;
curlassert(file != NULL);
res=(fclose)(file);
if(logfile)
fprintf(logfile, "FILE %s:%d fclose(%p)\n",
source, line, file);
return res;
}
#else
#ifdef VMS
int VOID_VAR_MEMDEBUG;
#else
void curl_memdebug(void) {}
#endif
#endif