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Added gettempfile(), which works like a custom mkstemp() (in addition

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to the existing gettempname(), which works like a custom mktemp()).
This commit is contained in:
Wayne Davison 2004-10-21 00:33:42 +00:00
parent 9b5ff81b47
commit 65729f5570
1 changed files with 41 additions and 0 deletions
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41
Src/utils.c
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@ -1156,6 +1156,47 @@ gettempname(const char *prefix, int use_heap)
return ret;
}
/**/
mod_export int
gettempfile(const char *prefix, int use_heap, char **tempname)
{
char *fn;
int fd;
#if HAVE_MKSTEMP
char *suffix = prefix ? ".XXXXXX" : "XXXXXX";
if (!prefix && !(prefix = getsparam("TMPPREFIX")))
prefix = DEFAULT_TMPPREFIX;
if (use_heap)
fn = dyncat(unmeta(prefix), suffix);
else
fn = bicat(unmeta(prefix), suffix);
fd = mkstemp(fn);
if (fd < 0) {
if (!use_heap)
free(fn);
fn = NULL;
}
#else
int failures = 0;
do {
if (!(fn = gettempname(prefix, use_heap))) {
fd = -1;
break;
}
if ((fd = open(fn, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0)
break;
if (!use_heap)
free(fn);
fn = NULL;
} while (errno == EEXIST && ++failures < 16);
#endif
*tempname = fn;
return fd;
}
/* Check if a string contains a token */
/**/