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Merge pull request #3967 from brauner/2021-09-03.fixes

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log: fix cross-compilation with %m modifier
This commit is contained in:
Stéphane Graber 2021-09-13 08:37:25 -04:00 committed by GitHub
commit 332a0a8f47
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 34 deletions
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26
configure.ac
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@ -710,32 +710,6 @@ AC_CHECK_MEMBERS([struct clone_args.cgroup],[],[],[[#include <linux/sched.h>]])
# - STRERROR_R_CHAR_P if it returns char *
AC_FUNC_STRERROR_R
# Check if "%m" is supported by printf and Co
AC_MSG_CHECKING([%m format])
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
int main(void)
{
char msg[256];
int rc;
rc = snprintf(msg, sizeof(msg), "%m\n");
if ((rc > 1) && (msg[0] != '%'))
{
return 0;
}
else
{
return 1;
}
}]])],[fmt_m=yes],[fmt_m=no],[fmt_m=no])
if test "x$fmt_m" = "xyes"; then
AC_DEFINE([HAVE_M_FORMAT], 1, [Have %m format])
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
# Check for some functions
AC_CHECK_LIB(pthread, main)
AC_CHECK_LIB(util, openpty)

16
src/lxc/log.h
View File

@ -393,7 +393,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
LXC_FATAL(&locinfo, format, ##__VA_ARGS__); \
} while (0)
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define SYSTRACE(format, ...) \
TRACE("%m - " format, ##__VA_ARGS__)
#else
@ -404,7 +404,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
} while (0)
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define SYSDEBUG(format, ...) \
DEBUG("%m - " format, ##__VA_ARGS__)
#else
@ -416,7 +416,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define SYSINFO(format, ...) \
INFO("%m - " format, ##__VA_ARGS__)
#else
@ -427,7 +427,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
} while (0)
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define SYSNOTICE(format, ...) \
NOTICE("%m - " format, ##__VA_ARGS__)
#else
@ -438,7 +438,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
} while (0)
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define SYSWARN(format, ...) \
WARN("%m - " format, ##__VA_ARGS__)
#else
@ -449,7 +449,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
} while (0)
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define SYSERROR(format, ...) \
ERROR("%m - " format, ##__VA_ARGS__)
#else
@ -460,7 +460,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
} while (0)
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define CMD_SYSERROR(format, ...) \
fprintf(stderr, "%s: %d: %s - %m - " format "\n", __FILE__, __LINE__, \
__func__, ##__VA_ARGS__);
@ -473,7 +473,7 @@ __lxc_unused static inline void LXC_##LEVEL(struct lxc_log_locinfo* locinfo, \
} while (0)
#endif
#if HAVE_M_FORMAT && !ENABLE_COVERITY_BUILD
#if defined(__GNU_LIBRARY__) && !ENABLE_COVERITY_BUILD
#define CMD_SYSINFO(format, ...) \
printf("%s: %d: %s - %m - " format "\n", __FILE__, __LINE__, __func__, \
##__VA_ARGS__);