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| 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/freopen.c | |
| parent | ab3c589cd14c2b7efd79c89fd75ea35edcf9edff (diff) | |
check for overlapping pointers
Diffstat (limited to 'src/stdio/freopen.c')
| -rw-r--r-- | src/stdio/freopen.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/stdio/freopen.c b/src/stdio/freopen.c index b40eb439..d361023a 100644 --- a/src/stdio/freopen.c +++ b/src/stdio/freopen.c @@ -55,6 +55,9 @@ FILE * freopen(const char * restrict filename, const char * restrict mode, FILE int fd = -1; SIGNAL_SAFE(0); + ASSERT_NOOVERLAP(filename, strlen(filename), mode, strlen(mode)); + ASSERT_NOOVERLAP(filename, strlen(filename), stream, sizeof(*stream)); + ASSERT_NOOVERLAP(mode, strlen(mode), stream, sizeof(*stream)); for (i = 0; i < sizeof(modemap) / sizeof(modemap[0]); i++) { if (!strcmp(modemap[i].smode, mode)) { |