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-rw-r--r--src/temp/mkostemps.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/src/temp/mkostemps.c b/src/temp/mkostemps.c
index 804a5475..d87d4b66 100644
--- a/src/temp/mkostemps.c
+++ b/src/temp/mkostemps.c
@@ -9,18 +9,15 @@ char *__randname(char *);
int __mkostemps(char *template, int len, int flags)
{
- if (len < 0) return EINVAL;
-
- size_t l = strlen(template)-len;
- if (l < 6 || strncmp(template+l-6, "XXXXXX", 6)) {
+ size_t l = strlen(template);
+ if (l<6 || len>l-6 || strncmp(template+l-len-6, "XXXXXX", 6)) {
errno = EINVAL;
- *template = 0;
return -1;
}
int fd, retries = 100;
while (retries--) {
- __randname(template+l-6);
+ __randname(template+l-len-6);
if ((fd = open(template, flags | O_RDWR | O_CREAT | O_EXCL, 0600))>=0)
return fd;
if (errno != EEXIST) return -1;