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authorJakob Kaivo <jkk@ung.org>2024-01-31 13:24:56 -0500
committerJakob Kaivo <jkk@ung.org>2024-01-31 13:24:56 -0500
commit4b43b375b7abae22070cd86bfc26a8222233150e (patch)
tree6ff165b17879e80300cb6d05b5537a65c82c2dc7 /src/stdio/setbuf.c
parentab3c589cd14c2b7efd79c89fd75ea35edcf9edff (diff)
check for overlapping pointers
Diffstat (limited to 'src/stdio/setbuf.c')
-rw-r--r--src/stdio/setbuf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stdio/setbuf.c b/src/stdio/setbuf.c
index ddf38856..38072548 100644
--- a/src/stdio/setbuf.c
+++ b/src/stdio/setbuf.c
@@ -8,6 +8,7 @@ void setbuf(FILE * restrict stream, char * restrict buf)
SIGNAL_SAFE(0);
if (buf) {
+ ASSERT_NOOVERLAP(stream, sizeof(*stream), buf, BUFSIZ);
setvbuf(stream, buf, _IOFBF, BUFSIZ);
} else {
setvbuf(stream, NULL, _IONBF, 0);