8 typedef int pcre_extra;
11 #include "thread-utils.h"
30 enum grep_header_field {
31 GREP_HEADER_AUTHOR = 0,
32 GREP_HEADER_COMMITTER,
34 /* Must be at the end of the enum */
39 struct grep_pat *next;
42 enum grep_pat_token token;
45 enum grep_header_field field;
48 pcre_extra *pcre_extra_info;
51 unsigned ignore_case:1;
52 unsigned word_regexp:1;
63 enum grep_pattern_type {
64 GREP_PATTERN_TYPE_UNSPECIFIED = 0,
65 GREP_PATTERN_TYPE_BRE,
66 GREP_PATTERN_TYPE_ERE,
67 GREP_PATTERN_TYPE_FIXED,
68 GREP_PATTERN_TYPE_PCRE
72 enum grep_expr_node node;
75 struct grep_pat *atom;
76 struct grep_expr *unary;
78 struct grep_expr *left;
79 struct grep_expr *right;
85 struct grep_pat *pattern_list;
86 struct grep_pat **pattern_tail;
87 struct grep_pat *header_list;
88 struct grep_pat **header_tail;
89 struct grep_expr *pattern_expression;
98 int unmatch_name_only;
104 #define GREP_BINARY_DEFAULT 0
105 #define GREP_BINARY_NOMATCH 1
106 #define GREP_BINARY_TEXT 2
112 int null_following_name;
117 int extended_regexp_option;
118 int pattern_type_option;
119 char color_context[COLOR_MAXLEN];
120 char color_filename[COLOR_MAXLEN];
121 char color_function[COLOR_MAXLEN];
122 char color_lineno[COLOR_MAXLEN];
123 char color_match[COLOR_MAXLEN];
124 char color_selected[COLOR_MAXLEN];
125 char color_sep[COLOR_MAXLEN];
127 unsigned pre_context;
128 unsigned post_context;
135 void (*output)(struct grep_opt *opt, const void *data, size_t size);
139 extern void append_grep_pat(struct grep_opt *opt, const char *pat, size_t patlen, const char *origin, int no, enum grep_pat_token t);
140 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
141 extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
142 extern void compile_grep_patterns(struct grep_opt *opt);
143 extern void free_grep_patterns(struct grep_opt *opt);
144 extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
149 enum grep_source_type {
159 struct userdiff_driver *driver;
162 void grep_source_init(struct grep_source *gs, enum grep_source_type type,
163 const char *name, const void *identifier);
164 void grep_source_clear_data(struct grep_source *gs);
165 void grep_source_clear(struct grep_source *gs);
166 void grep_source_load_driver(struct grep_source *gs);
169 int grep_source(struct grep_opt *opt, struct grep_source *gs);
171 extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
172 extern int grep_threads_ok(const struct grep_opt *opt);
176 * Mutex used around access to the attributes machinery if
177 * opt->use_threads. Must be initialized/destroyed by callers!
179 extern int grep_use_locks;
180 extern pthread_mutex_t grep_attr_mutex;
181 extern pthread_mutex_t grep_read_mutex;
183 static inline void grep_read_lock(void)
186 pthread_mutex_lock(&grep_read_mutex);
189 static inline void grep_read_unlock(void)
192 pthread_mutex_unlock(&grep_read_mutex);
196 #define grep_read_lock()
197 #define grep_read_unlock()