diff options
| -rw-r--r-- | Src/utils.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Src/utils.c b/Src/utils.c index 31e9c2b26..047aa2644 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -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 */ /**/ |