From 6c00bc2ee83be5c166ddc02259d33435d78da0cc Mon Sep 17 00:00:00 2001 From: Jakob Kaivo Date: Wed, 31 Jan 2024 13:40:55 -0500 Subject: filename is allowed to be NULL --- src/stdio/freopen.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/stdio/freopen.c') 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++) { -- cgit v1.2.1