mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
a252205e1c
There is no need to cast to avoid, both pointer already have the
expected type.
It fixes the clang -Wpointer-type-mismatch error:
../sysdeps/unix/sysv/linux/gettimeofday.c:43:6: error: pointer type mismatch ('int (*)(struct timeval *, void *)' and 'void *') [-Werror,-Wpointer-type-mismatch]
41 | libc_ifunc (__gettimeofday,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
42 | GLRO(dl_vdso_gettimeofday) != NULL
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
43 | ? VDSO_IFUNC_RET (GLRO(dl_vdso_gettimeofday))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 | : (void*) __gettimeofday_syscall)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./../include/libc-symbols.h:789:53: note: expanded from macro 'libc_ifunc'
789 | #define libc_ifunc(name, expr) __ifunc (name, name, expr, void, INIT_ARCH)
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
./../include/libc-symbols.h:705:34: note: expanded from macro '__ifunc'
705 | __ifunc_args (type_name, name, expr, init, arg)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
./../include/libc-symbols.h:677:38: note: expanded from macro '__ifunc_args'
677 | __ifunc_resolver (type_name, name, expr, init, static, __VA_ARGS__); \
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./../include/libc-symbols.h:667:33: note: expanded from macro '__ifunc_resolver'
667 | __typeof (type_name) *res = expr; \
| ^~~~
Reviewed-by: Sam James <sam@gentoo.org>
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/* time -- Get number of seconds since Epoch. Linux version.
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Copyright (C) 2020-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Optimize the function call by setting the PLT directly to vDSO symbol. */
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#ifdef USE_IFUNC_TIME
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# include <time.h>
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# include <sysdep.h>
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# include <sysdep-vdso.h>
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#ifdef SHARED
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# include <dl-vdso.h>
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# include <libc-vdso.h>
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static time_t
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time_syscall (time_t *t)
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{
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return INLINE_SYSCALL_CALL (time, t);
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}
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# undef INIT_ARCH
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# define INIT_ARCH()
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libc_ifunc (time,
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GLRO(dl_vdso_time) != NULL ? VDSO_IFUNC_RET (GLRO(dl_vdso_time))
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: time_syscall);
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# else
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time_t
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time (time_t *t)
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{
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return INLINE_VSYSCALL (time, 1, t);
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}
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# endif /* !SHARED */
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#else /* USE_IFUNC_TIME */
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# include <time.h>
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# include <time-clockid.h>
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# include <errno.h>
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/* Return the time now, and store it in *TIMER if not NULL. */
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__time64_t
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__time64 (__time64_t *timer)
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{
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struct __timespec64 ts;
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__clock_gettime64 (TIME_CLOCK_GETTIME_CLOCKID, &ts);
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if (timer != NULL)
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*timer = ts.tv_sec;
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return ts.tv_sec;
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}
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# if __TIMESIZE != 64
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libc_hidden_def (__time64)
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time_t
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__time (time_t *timer)
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{
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__time64_t t = __time64 (NULL);
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if (! in_time_t_range (t))
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{
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__set_errno (EOVERFLOW);
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return -1;
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}
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if (timer != NULL)
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*timer = t;
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return t;
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}
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# endif
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weak_alias (__time, time)
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#endif
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