mirror of
https://github.com/torvalds/linux.git
synced 2024-12-05 02:23:16 +00:00
e1aa7c30c5
glibc-2.16 starts to mark the function with attribute warn_unused_result so that it can cause a build warning. Since GNU version of strerror_r() can return a pointer to a string without setting @buf, check the return value and copy/truncate it to our buffer if needed. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Kirill A. Shutemov <kirill@shutemov.name> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1345618831-9148-5-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
/*
|
|
* Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation;
|
|
* version 2.1 of the License (not later!)
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
*/
|
|
#ifndef __UTIL_H
|
|
#define __UTIL_H
|
|
|
|
#include <ctype.h>
|
|
|
|
/* Can be overridden */
|
|
void die(const char *fmt, ...);
|
|
void *malloc_or_die(unsigned int size);
|
|
void warning(const char *fmt, ...);
|
|
void pr_stat(const char *fmt, ...);
|
|
void vpr_stat(const char *fmt, va_list ap);
|
|
|
|
/* Always available */
|
|
void __die(const char *fmt, ...);
|
|
void __warning(const char *fmt, ...);
|
|
void __pr_stat(const char *fmt, ...);
|
|
|
|
void __vdie(const char *fmt, ...);
|
|
void __vwarning(const char *fmt, ...);
|
|
void __vpr_stat(const char *fmt, ...);
|
|
|
|
#define min(x, y) ({ \
|
|
typeof(x) _min1 = (x); \
|
|
typeof(y) _min2 = (y); \
|
|
(void) (&_min1 == &_min2); \
|
|
_min1 < _min2 ? _min1 : _min2; })
|
|
|
|
static inline char *strim(char *string)
|
|
{
|
|
char *ret;
|
|
|
|
if (!string)
|
|
return NULL;
|
|
while (*string) {
|
|
if (!isspace(*string))
|
|
break;
|
|
string++;
|
|
}
|
|
ret = string;
|
|
|
|
string = ret + strlen(ret) - 1;
|
|
while (string > ret) {
|
|
if (!isspace(*string))
|
|
break;
|
|
string--;
|
|
}
|
|
string[1] = 0;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int has_text(const char *text)
|
|
{
|
|
if (!text)
|
|
return 0;
|
|
|
|
while (*text) {
|
|
if (!isspace(*text))
|
|
return 1;
|
|
text++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|