8b85996095
<linux/parser.h> is missing include guards. Add them. This is needed to allow declaring a function in <linux/fscrypt.h> that takes a substring_t parameter. Link: https://lore.kernel.org/r/20200512233251.118314-2-ebiggers@kernel.org Reviewed-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Eric Biggers <ebiggers@google.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* linux/include/linux/parser.h
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*
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* Header for lib/parser.c
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* Intended use of these functions is parsing filesystem argument lists,
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* but could potentially be used anywhere else that simple option=arg
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* parsing is required.
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*/
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#ifndef _LINUX_PARSER_H
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#define _LINUX_PARSER_H
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/* associates an integer enumerator with a pattern string. */
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struct match_token {
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int token;
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const char *pattern;
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};
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typedef struct match_token match_table_t[];
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/* Maximum number of arguments that match_token will find in a pattern */
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enum {MAX_OPT_ARGS = 3};
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/* Describe the location within a string of a substring */
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typedef struct {
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char *from;
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char *to;
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} substring_t;
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int match_token(char *, const match_table_t table, substring_t args[]);
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int match_int(substring_t *, int *result);
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int match_u64(substring_t *, u64 *result);
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int match_octal(substring_t *, int *result);
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int match_hex(substring_t *, int *result);
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bool match_wildcard(const char *pattern, const char *str);
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size_t match_strlcpy(char *, const substring_t *, size_t);
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char *match_strdup(const substring_t *);
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#endif /* _LINUX_PARSER_H */
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