diff options
Diffstat (limited to 'grep.h')
| -rw-r--r-- | grep.h | 50 |
1 files changed, 47 insertions, 3 deletions
@@ -9,6 +9,7 @@ typedef int pcre_extra; #endif #include "kwset.h" #include "thread-utils.h" +#include "userdiff.h" enum grep_pat_token { GREP_PATTERN, @@ -37,7 +38,7 @@ struct grep_pat { const char *origin; int no; enum grep_pat_token token; - const char *pattern; + char *pattern; size_t patternlen; enum grep_header_field field; regex_t regexp; @@ -116,7 +117,6 @@ struct grep_opt { int show_hunk_mark; int file_break; int heading; - int use_threads; void *priv; void (*output)(struct grep_opt *opt, const void *data, size_t size); @@ -128,7 +128,33 @@ extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const cha extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *); extern void compile_grep_patterns(struct grep_opt *opt); extern void free_grep_patterns(struct grep_opt *opt); -extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size); +extern int grep_buffer(struct grep_opt *opt, char *buf, unsigned long size); + +struct grep_source { + char *name; + + enum grep_source_type { + GREP_SOURCE_SHA1, + GREP_SOURCE_FILE, + GREP_SOURCE_BUF, + } type; + void *identifier; + + char *buf; + unsigned long size; + + struct userdiff_driver *driver; +}; + +void grep_source_init(struct grep_source *gs, enum grep_source_type type, + const char *name, const void *identifier); +int grep_source_load(struct grep_source *gs); +void grep_source_clear_data(struct grep_source *gs); +void grep_source_clear(struct grep_source *gs); +void grep_source_load_driver(struct grep_source *gs); +int grep_source_is_binary(struct grep_source *gs); + +int grep_source(struct grep_opt *opt, struct grep_source *gs); extern struct grep_opt *grep_opt_dup(const struct grep_opt *opt); extern int grep_threads_ok(const struct grep_opt *opt); @@ -138,7 +164,25 @@ extern int grep_threads_ok(const struct grep_opt *opt); * Mutex used around access to the attributes machinery if * opt->use_threads. Must be initialized/destroyed by callers! */ +extern int grep_use_locks; extern pthread_mutex_t grep_attr_mutex; +extern pthread_mutex_t grep_read_mutex; + +static inline void grep_read_lock(void) +{ + if (grep_use_locks) + pthread_mutex_lock(&grep_read_mutex); +} + +static inline void grep_read_unlock(void) +{ + if (grep_use_locks) + pthread_mutex_unlock(&grep_read_mutex); +} + +#else +#define grep_read_lock() +#define grep_read_unlock() #endif #endif |