8 typedef int pcre_extra;
11 #include "thread-utils.h"
30 enum grep_header_field {
31 GREP_HEADER_AUTHOR = 0,
34 #define GREP_HEADER_FIELD_MAX (GREP_HEADER_COMMITTER + 1)
37 struct grep_pat *next;
40 enum grep_pat_token token;
43 enum grep_header_field field;
46 pcre_extra *pcre_extra_info;
49 unsigned ignore_case:1;
50 unsigned word_regexp:1;
61 enum grep_pattern_type {
62 GREP_PATTERN_TYPE_UNSPECIFIED = 0,
63 GREP_PATTERN_TYPE_BRE,
64 GREP_PATTERN_TYPE_ERE,
65 GREP_PATTERN_TYPE_FIXED,
66 GREP_PATTERN_TYPE_PCRE
70 enum grep_expr_node node;
73 struct grep_pat *atom;
74 struct grep_expr *unary;
76 struct grep_expr *left;
77 struct grep_expr *right;
83 struct grep_pat *pattern_list;
84 struct grep_pat **pattern_tail;
85 struct grep_pat *header_list;
86 struct grep_pat **header_tail;
87 struct grep_expr *pattern_expression;
96 int unmatch_name_only;
101 #define GREP_BINARY_DEFAULT 0
102 #define GREP_BINARY_NOMATCH 1
103 #define GREP_BINARY_TEXT 2
109 int null_following_name;
114 int extended_regexp_option;
115 int pattern_type_option;
116 char color_context[COLOR_MAXLEN];
117 char color_filename[COLOR_MAXLEN];
118 char color_function[COLOR_MAXLEN];
119 char color_lineno[COLOR_MAXLEN];
120 char color_match[COLOR_MAXLEN];
121 char color_selected[COLOR_MAXLEN];
122 char color_sep[COLOR_MAXLEN];
124 unsigned pre_context;
125 unsigned post_context;
132 void (*output)(struct grep_opt *opt, const void *data, size_t size);
136 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);
137 extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
138 extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
139 extern void compile_grep_patterns(struct grep_opt *opt);
140 extern void free_grep_patterns(struct grep_opt *opt);
141 extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size);
146 enum grep_source_type {
156 struct userdiff_driver *driver;
159 void grep_source_init(struct grep_source *gs, enum grep_source_type type,
160 const char *name, const void *identifier);
161 int grep_source_load(struct grep_source *gs);
162 void grep_source_clear_data(struct grep_source *gs);
163 void grep_source_clear(struct grep_source *gs);
164 void grep_source_load_driver(struct grep_source *gs);
165 int grep_source_is_binary(struct grep_source *gs);
167 int grep_source(struct grep_opt *opt, struct grep_source *gs);
169 extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt);
170 extern int grep_threads_ok(const struct grep_opt *opt);
174 * Mutex used around access to the attributes machinery if
175 * opt->use_threads. Must be initialized/destroyed by callers!
177 extern int grep_use_locks;
178 extern pthread_mutex_t grep_attr_mutex;
179 extern pthread_mutex_t grep_read_mutex;
181 static inline void grep_read_lock(void)
184 pthread_mutex_lock(&grep_read_mutex);
187 static inline void grep_read_unlock(void)
190 pthread_mutex_unlock(&grep_read_mutex);
194 #define grep_read_lock()
195 #define grep_read_unlock()