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| author | Mahesh Bodapati <bmahi496@linux.ibm.com> | 2023-08-11 10:38:25 -0500 |
|---|---|---|
| committer | Rajalakshmi Srinivasaraghavan <raji@Rajalakshmis-MacBook-Pro.local> | 2023-08-18 07:59:55 -0500 |
| commit | f1c7ed0859a45929136836341741c7cd70f428cb (patch) | |
| tree | 1bb0108bd5a57744676992cda1497c547d7477c9 | |
| parent | f5f96b784beb3480e0e8d10e250ca7e6063ab881 (diff) | |
| download | glibc-f1c7ed0859a45929136836341741c7cd70f428cb.zip glibc-f1c7ed0859a45929136836341741c7cd70f428cb.tar.gz glibc-f1c7ed0859a45929136836341741c7cd70f428cb.tar.bz2 | |
string: Fix tester build with fortify enable with gcc < 12
When building with fortify enabled, GCC < 12 issues a warning on the
fortify strncat wrapper might overflow the destination buffer (the
failure is tied to -Werror).
Checked on ppc64 and x86_64.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
| -rw-r--r-- | string/tester.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/string/tester.c b/string/tester.c index f7d4bac..824cf31 100644 --- a/string/tester.c +++ b/string/tester.c @@ -34,6 +34,14 @@ DIAG_IGNORE_NEEDS_COMMENT (8, "-Wstringop-truncation"); #endif +/* When building with fortify enabled, GCC < 12 issues a warning on the + fortify strncat wrapper might overflow the destination buffer (the + failure is tied to -Werror). + Triggered by strncat fortify wrapper when it is enabled. */ +#if __GNUC_PREREQ (11, 0) +DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread"); +#endif + #include <errno.h> #include <stdint.h> #include <stdio.h> @@ -52,9 +60,6 @@ DIAG_IGNORE_NEEDS_COMMENT (5.0, "-Wmemset-transposed-args"); DIAG_IGNORE_NEEDS_COMMENT (9, "-Wrestrict"); DIAG_IGNORE_NEEDS_COMMENT (7, "-Wstringop-overflow="); #endif -#if __GNUC_PREREQ (11, 0) -DIAG_IGNORE_NEEDS_COMMENT (11, "-Wstringop-overread"); -#endif #define STREQ(a, b) (strcmp((a), (b)) == 0) |