mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +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>
86 lines
2 KiB
C
86 lines
2 KiB
C
/*
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* Copyright (C) 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* This program 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;
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* version 2.1 of the License (not later!)
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*
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* This program 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
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*/
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#ifndef __UTIL_H
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#define __UTIL_H
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#include <ctype.h>
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/* Can be overridden */
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void die(const char *fmt, ...);
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void *malloc_or_die(unsigned int size);
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void warning(const char *fmt, ...);
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void pr_stat(const char *fmt, ...);
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void vpr_stat(const char *fmt, va_list ap);
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/* Always available */
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void __die(const char *fmt, ...);
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void __warning(const char *fmt, ...);
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void __pr_stat(const char *fmt, ...);
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void __vdie(const char *fmt, ...);
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void __vwarning(const char *fmt, ...);
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void __vpr_stat(const char *fmt, ...);
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#define min(x, y) ({ \
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typeof(x) _min1 = (x); \
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typeof(y) _min2 = (y); \
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(void) (&_min1 == &_min2); \
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_min1 < _min2 ? _min1 : _min2; })
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static inline char *strim(char *string)
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{
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char *ret;
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if (!string)
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return NULL;
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while (*string) {
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if (!isspace(*string))
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break;
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string++;
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}
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ret = string;
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string = ret + strlen(ret) - 1;
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while (string > ret) {
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if (!isspace(*string))
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break;
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string--;
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}
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string[1] = 0;
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return ret;
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}
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static inline int has_text(const char *text)
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{
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if (!text)
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return 0;
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while (*text) {
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if (!isspace(*text))
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return 1;
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text++;
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}
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return 0;
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}
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#endif
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