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Improvements to the malloc debugging stuff: when MALLOC_LOG is

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enabled, so that all mallocs and reallocs are tagged with a file
name and line number, this information is now shown in the `Out of
memory!' panic box.

[originally from svn r1497]
This commit is contained in:
Simon Tatham 2001-12-15 14:09:51 +00:00
parent 88a3baa065
commit 5eeff974fd
1 changed files with 21 additions and 2 deletions
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23
misc.c
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@ -379,8 +379,13 @@ static void *minefield_c_realloc(void *p, size_t size)
#ifdef MALLOC_LOG
static FILE *fp = NULL;
static char *mlog_file = NULL;
static int mlog_line = 0;
void mlog(char *file, int line)
{
mlog_file = file;
mlog_line = line;
if (!fp) {
fp = fopen("putty_mem.log", "w");
setvbuf(fp, NULL, _IONBF, BUFSIZ);
@ -399,7 +404,14 @@ void *safemalloc(size_t size)
p = malloc(size);
#endif
if (!p) {
MessageBox(NULL, "Out of memory!", "PuTTY Fatal Error",
char str[200];
#ifdef MALLOC_LOG
sprintf(str, "Out of memory! (%s:%d, size=%d)",
mlog_file, mlog_line, size);
#else
strcpy(str, "Out of memory!");
#endif
MessageBox(NULL, str, "PuTTY Fatal Error",
MB_SYSTEMMODAL | MB_ICONERROR | MB_OK);
exit(1);
}
@ -427,7 +439,14 @@ void *saferealloc(void *ptr, size_t size)
#endif
}
if (!p) {
MessageBox(NULL, "Out of memory!", "PuTTY Fatal Error",
char str[200];
#ifdef MALLOC_LOG
sprintf(str, "Out of memory! (%s:%d, size=%d)",
mlog_file, mlog_line, size);
#else
strcpy(str, "Out of memory!");
#endif
MessageBox(NULL, str, "PuTTY Fatal Error",
MB_SYSTEMMODAL | MB_ICONERROR | MB_OK);
exit(1);
}