diff options
Diffstat (limited to 'grep.c')
| -rw-r--r-- | grep.c | 47 |
1 files changed, 44 insertions, 3 deletions
@@ -16,6 +16,20 @@ static int grep_source_is_binary(struct grep_source *gs, static struct grep_opt grep_defaults; +#ifdef USE_LIBPCRE2 +static pcre2_general_context *pcre2_global_context; + +static void *pcre2_malloc(PCRE2_SIZE size, MAYBE_UNUSED void *memory_data) +{ + return malloc(size); +} + +static void pcre2_free(void *pointer, MAYBE_UNUSED void *memory_data) +{ + return free(pointer); +} +#endif + static const char *color_grep_slots[] = { [GREP_COLOR_CONTEXT] = "context", [GREP_COLOR_FILENAME] = "filename", @@ -150,12 +164,28 @@ int grep_config(const char *var, const char *value, void *cb) * Initialize one instance of grep_opt and copy the * default values from the template we read the configuration * information in an earlier call to git_config(grep_config). + * + * If using PCRE, make sure that the library is configured + * to use the same allocator as Git (e.g. nedmalloc on Windows). + * + * Any allocated memory needs to be released in grep_destroy(). */ void grep_init(struct grep_opt *opt, struct repository *repo, const char *prefix) { struct grep_opt *def = &grep_defaults; int i; +#if defined(USE_LIBPCRE2) + if (!pcre2_global_context) + pcre2_global_context = pcre2_general_context_create( + pcre2_malloc, pcre2_free, NULL); +#endif + +#ifdef USE_LIBPCRE1 + pcre_malloc = malloc; + pcre_free = free; +#endif + memset(opt, 0, sizeof(*opt)); opt->repo = repo; opt->prefix = prefix; @@ -178,6 +208,13 @@ void grep_init(struct grep_opt *opt, struct repository *repo, const char *prefix color_set(opt->colors[i], def->colors[i]); } +void grep_destroy(void) +{ +#ifdef USE_LIBPCRE2 + pcre2_general_context_free(pcre2_global_context); +#endif +} + static void grep_set_pattern_type_option(enum grep_pattern_type pattern_type, struct grep_opt *opt) { /* @@ -461,7 +498,6 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt PCRE2_UCHAR errbuf[256]; PCRE2_SIZE erroffset; int options = PCRE2_MULTILINE; - const uint8_t *character_tables = NULL; int jitret; int patinforet; size_t jitsizearg; @@ -470,11 +506,15 @@ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt p->pcre2_compile_context = NULL; + /* pcre2_global_context is initialized in append_grep_pattern */ if (opt->ignore_case) { if (!opt->ignore_locale && has_non_ascii(p->pattern)) { - character_tables = pcre2_maketables(NULL); + if (!pcre2_global_context) + BUG("pcre2_global_context uninitialized"); + p->pcre2_tables = pcre2_maketables(pcre2_global_context); p->pcre2_compile_context = pcre2_compile_context_create(NULL); - pcre2_set_character_tables(p->pcre2_compile_context, character_tables); + pcre2_set_character_tables(p->pcre2_compile_context, + p->pcre2_tables); } options |= PCRE2_CASELESS; } @@ -571,6 +611,7 @@ static void free_pcre2_pattern(struct grep_pat *p) pcre2_compile_context_free(p->pcre2_compile_context); pcre2_code_free(p->pcre2_pattern); pcre2_match_data_free(p->pcre2_match_data); + free((void *)p->pcre2_tables); } #else /* !USE_LIBPCRE2 */ static void compile_pcre2_pattern(struct grep_pat *p, const struct grep_opt *opt) |