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313026f3ce
strpbrk_esq() and strdup_esq() are new variants for strpbrk() and
strdup() which handles escaped characters and quoted strings.
- strpbrk_esq() searches specified set of characters but ignores the
escaped characters and quoted strings.
e.g. strpbrk_esq("'quote\d' \queue quiz", "qd") returns "quiz".
- strdup_esq() duplicates string but removes backslash and quotes which
is used for quotation. It also keeps the string (including backslash)
in the quoted part.
e.g. strdup_esq("'quote\d' \queue quiz") returns "quote\d queue quiz".
The (single, double) quotes in the quoted part should be escaped by
backslash. In this case, strdup_esq() removes that backslash.
The same quotes must be paired. If you use double quotation, you need
to use the double quotation to close the quoted part.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: Dima Kogan <dima@secretsauce.net>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://lore.kernel.org/r/173099116045.2431889.15772916605719019533.stgit@mhiramat.roam.corp.google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef PERF_STRING_H
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#define PERF_STRING_H
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#include <linux/string.h>
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#include <linux/types.h>
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#include <sys/types.h> // pid_t
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#include <stddef.h>
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#include <string.h>
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extern const char *graph_dotted_line;
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extern const char *dots;
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s64 perf_atoll(const char *str);
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bool strglobmatch(const char *str, const char *pat);
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bool strglobmatch_nocase(const char *str, const char *pat);
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bool strlazymatch(const char *str, const char *pat);
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static inline bool strisglob(const char *str)
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{
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return strpbrk(str, "*?[") != NULL;
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}
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int strtailcmp(const char *s1, const char *s2);
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char *asprintf_expr_inout_ints(const char *var, bool in, size_t nints, int *ints);
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static inline char *asprintf_expr_in_ints(const char *var, size_t nints, int *ints)
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{
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return asprintf_expr_inout_ints(var, true, nints, ints);
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}
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static inline char *asprintf_expr_not_in_ints(const char *var, size_t nints, int *ints)
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{
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return asprintf_expr_inout_ints(var, false, nints, ints);
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}
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char *asprintf__tp_filter_pids(size_t npids, pid_t *pids);
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char *strpbrk_esc(char *str, const char *stopset);
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char *strdup_esc(const char *str);
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char *strpbrk_esq(char *str, const char *stopset);
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char *strdup_esq(const char *str);
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unsigned int hex(char c);
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char *strreplace_chars(char needle, const char *haystack, const char *replace);
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#endif /* PERF_STRING_H */
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