diff options
| -rw-r--r-- | block/vvfat.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/vvfat.c b/block/vvfat.c index 6b11596abf..a9e207f7f0 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -549,7 +549,7 @@ static direntry_t *create_short_filename(BDRVVVFATState *s, const gchar *p, *last_dot = NULL; gunichar c; bool lossy_conversion = false; - char tail[11]; + char tail[8]; if (!entry) { return NULL; @@ -614,7 +614,8 @@ static direntry_t *create_short_filename(BDRVVVFATState *s, for (i = lossy_conversion ? 1 : 0; i < 999999; i++) { direntry_t *entry1; if (i > 0) { - int len = sprintf(tail, "~%d", i); + int len = snprintf(tail, sizeof(tail), "~%u", (unsigned)i); + assert(len <= 7); memcpy(entry->name + MIN(j, 8 - len), tail, len); } for (entry1 = array_get(&(s->directory), directory_start); |