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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/fputs.c | |
| parent | ab3c589cd14c2b7efd79c89fd75ea35edcf9edff (diff) | |
check for overlapping pointers
Diffstat (limited to 'src/stdio/fputs.c')
| -rw-r--r-- | src/stdio/fputs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/stdio/fputs.c b/src/stdio/fputs.c index a82338d1..c4d32dec 100644 --- a/src/stdio/fputs.c +++ b/src/stdio/fputs.c @@ -1,4 +1,5 @@ #include <stdio.h> +#include <string.h> #include "_stdio.h" /** write a string to a file stream **/ @@ -6,6 +7,8 @@ int fputs(const char * restrict s, FILE * restrict stream) { SIGNAL_SAFE(0); + ASSERT_NOOVERLAP(s, strlen(s), stream, sizeof(*stream)); + flockfile(stream); while (*s) { if (fputc(*s++, stream) == EOF) { |