diff options
| author | Jakob Kaivo <jkk@ung.org> | 2024-01-31 13:24:56 -0500 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2024-01-31 13:24:56 -0500 |
| commit | 4b43b375b7abae22070cd86bfc26a8222233150e (patch) | |
| tree | 6ff165b17879e80300cb6d05b5537a65c82c2dc7 /src/stdio/fscanf.c | |
| parent | ab3c589cd14c2b7efd79c89fd75ea35edcf9edff (diff) | |
check for overlapping pointers
Diffstat (limited to 'src/stdio/fscanf.c')
| -rw-r--r-- | src/stdio/fscanf.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/stdio/fscanf.c b/src/stdio/fscanf.c index 98dbeed1..2299fd11 100644 --- a/src/stdio/fscanf.c +++ b/src/stdio/fscanf.c @@ -1,5 +1,6 @@ #include <stdarg.h> #include <stdio.h> +#include <string.h> #include "_stdio.h" /** read formatted input from a file stream **/ @@ -11,6 +12,7 @@ int fscanf(FILE * restrict stream, const char * restrict format, ...) struct io_options opt = {0}; SIGNAL_SAFE(0); + ASSERT_NOOVERLAP(stream, sizeof(*stream), format, strlen(format)); opt.fnname = "fscanf"; opt.stream = stream; |