diff options
| -rw-r--r-- | src/readdir-while-renames.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/readdir-while-renames.c b/src/readdir-while-renames.c index afeefb04..b99c0490 100644 --- a/src/readdir-while-renames.c +++ b/src/readdir-while-renames.c @@ -55,10 +55,16 @@ int main(int argc, char *argv[]) /* Now create all files inside the directory. */ for (i = 1; i <= NUM_FILES; i++) { - char file_name[32]; + /* 8 characters is enough for NUM_FILES name plus '\0'. */ + char file_name[8]; FILE *f; - sprintf(file_name, "%s/%d", dir_path, i); + ret = snprintf(file_name, sizeof(file_name), "%d", i); + if (ret < 0 || ret >= sizeof(file_name)) { + fprintf(stderr, "Buffer to small for filename %i\n", i); + ret = EOVERFLOW; + goto out; + } f = fopen(file_name, "w"); if (f == NULL) { fprintf(stderr, "Failed to create file number %d: %d\n", |