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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] posix: Use unsigned to check for _POSIX_VDISABLE Date: Wed, 30 Aug 2023 12:36:49 +0000 (GMT) [thread overview] Message-ID: <20230830123649.3D1B838319EF@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e261400d982c5f9ffe4f0e7c9382f9891e18929 commit 2e261400d982c5f9ffe4f0e7c9382f9891e18929 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Tue Mar 15 18:09:10 2022 -0300 posix: Use unsigned to check for _POSIX_VDISABLE Clang warns: ../sysdeps/posix/fpathconf.c:118:21: error: right side of operator converted from negative value to unsigned: -1 to 18446744073709551615 [-Werror] #if _POSIX_VDISABLE == -1 ~~~~~~~~~~~~~~~ ^ ~~ Diff: --- sysdeps/posix/fpathconf.c | 2 +- sysdeps/posix/pathconf.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/sysdeps/posix/fpathconf.c b/sysdeps/posix/fpathconf.c index ce432962cd..d5436e523a 100644 --- a/sysdeps/posix/fpathconf.c +++ b/sysdeps/posix/fpathconf.c @@ -115,7 +115,7 @@ __fpathconf (int fd, int name) return _POSIX_NO_TRUNC; case _PC_VDISABLE: -#if _POSIX_VDISABLE == -1 +#if _POSIX_VDISABLE == -1U # error "Invalid value for _POSIX_VDISABLE" #endif return _POSIX_VDISABLE; diff --git a/sysdeps/posix/pathconf.c b/sysdeps/posix/pathconf.c index 2cf0ad5abf..8e15801dbf 100644 --- a/sysdeps/posix/pathconf.c +++ b/sysdeps/posix/pathconf.c @@ -113,7 +113,7 @@ __pathconf (const char *path, int name) return _POSIX_NO_TRUNC; case _PC_VDISABLE: -#if _POSIX_VDISABLE == -1 +#if _POSIX_VDISABLE == -1U # error "Invalid value for _POSIX_VDISABLE" #endif return _POSIX_VDISABLE;
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