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Fallback to strerror() when strerror_l() isn't available

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Some C libraries, such as uClibc, do not provide strerror_l() in
which case we fallback to strerror().

Reviewed-by: Tino Reichardt <milky-zfs@mcmilk.de>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #16636 
Closes #16640
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Brian Behlendorf 2024-10-12 13:48:56 -07:00 committed by GitHub
parent 97ba7c210c
commit 48dfe39747
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2 changed files with 5 additions and 1 deletions
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2
config/user.m4
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@ -33,7 +33,7 @@ AC_DEFUN([ZFS_AC_CONFIG_USER], [
ZFS_AC_CONFIG_USER_MAKEDEV_IN_MKDEV
ZFS_AC_CONFIG_USER_ZFSEXEC
AC_CHECK_FUNCS([execvpe issetugid mlockall strlcat strlcpy gettid])
AC_CHECK_FUNCS([execvpe issetugid mlockall strerror_l strlcat strlcpy gettid])
AC_SUBST(RM)
])

4
include/libzutil.h
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@ -276,7 +276,11 @@ _LIBZUTIL_H void update_vdev_config_dev_sysfs_path(nvlist_t *nv,
* Thread-safe strerror() for use in ZFS libraries
*/
static inline char *zfs_strerror(int errnum) {
#ifdef HAVE_STRERROR_L
return (strerror_l(errnum, uselocale(0)));
#else
return (strerror(errnum));
#endif
}
#ifdef __cplusplus