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| author | Jakob Kaivo <jkk@ung.org> | 2024-01-31 13:40:55 -0500 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2024-01-31 13:40:55 -0500 |
| commit | 6c00bc2ee83be5c166ddc02259d33435d78da0cc (patch) | |
| tree | 04dffc97c53ab92b8d86ecfe8886c92a46d18ff3 | |
| parent | 4b43b375b7abae22070cd86bfc26a8222233150e (diff) | |
filename is allowed to be NULL
| -rw-r--r-- | src/stdio/freopen.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/stdio/freopen.c b/src/stdio/freopen.c index d361023a..050e556b 100644 --- a/src/stdio/freopen.c +++ b/src/stdio/freopen.c @@ -55,8 +55,10 @@ 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)); + if (filename) { + 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++) { |