diff options
| -rw-r--r-- | src/libudev/libudev-util.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libudev/libudev-util.c b/src/libudev/libudev-util.c index 7d5cd30662..9371f32e9d 100644 --- a/src/libudev/libudev-util.c +++ b/src/libudev/libudev-util.c @@ -337,13 +337,15 @@ size_t util_strpcpyf(char **dest, size_t size, const char *src, ...) va_list va; int i; + if (!size) return 0; /*Nothing to do if size is 0*/ + va_start(va, src); i = vsnprintf(*dest, size, src, va); if (i < (int)size) { *dest += i; size -= i; } else { - *dest += size; + *dest += size - 1; size = 0; } va_end(va); |