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b3e453272d
We'll use it to check for undefined/zero data. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20201126170026.2619053-6-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _TOOLS_LINUX_STRING_H_
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#define _TOOLS_LINUX_STRING_H_
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#include <linux/types.h> /* for size_t */
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#include <string.h>
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void *memdup(const void *src, size_t len);
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char **argv_split(const char *str, int *argcp);
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void argv_free(char **argv);
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int strtobool(const char *s, bool *res);
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/*
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* glibc based builds needs the extern while uClibc doesn't.
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* However uClibc headers also define __GLIBC__ hence the hack below
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*/
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#if defined(__GLIBC__) && !defined(__UCLIBC__)
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// pragma diagnostic was introduced in gcc 4.6
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#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wredundant-decls"
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#endif
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extern size_t strlcpy(char *dest, const char *src, size_t size);
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#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
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#pragma GCC diagnostic pop
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#endif
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#endif
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char *str_error_r(int errnum, char *buf, size_t buflen);
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char *strreplace(char *s, char old, char new);
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/**
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* strstarts - does @str start with @prefix?
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* @str: string to examine
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* @prefix: prefix to look for.
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*/
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static inline bool strstarts(const char *str, const char *prefix)
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{
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return strncmp(str, prefix, strlen(prefix)) == 0;
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}
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extern char * __must_check skip_spaces(const char *);
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extern char *strim(char *);
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extern void *memchr_inv(const void *start, int c, size_t bytes);
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#endif /* _TOOLS_LINUX_STRING_H_ */
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