PCRE_EXP_DEFN int pcre_info(const pcre *argument_re, int *optptr, int *first_byte) { real_pcre internal_re; const real_pcre *re = (const real_pcre *)argument_re; if (re == NULL) return PCRE_ERROR_NULL; if (re->magic_number != MAGIC_NUMBER) { re = _pcre_try_flipped(re, &internal_re, NULL, NULL); if (re == NULL) return PCRE_ERROR_BADMAGIC; } if (optptr != NULL) *optptr = (int)(re->options & PUBLIC_OPTIONS); if (first_byte != NULL) *first_byte = ((re->options & PCRE_FIRSTSET) != 0)? re->first_byte : ((re->options & PCRE_STARTLINE) != 0)? -1 : -2; return re->top_bracket; }
PCRE_EXP_DEFN int PCRE_CALL_CONVENTION pcre_fullinfo(const pcre *argument_re, const pcre_extra *extra_data, int what, void *where) { real_pcre internal_re; pcre_study_data internal_study; const real_pcre *re = (const real_pcre *)argument_re; const pcre_study_data *study = NULL; if (re == NULL || where == NULL) return PCRE_ERROR_NULL; if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_STUDY_DATA) != 0) study = (const pcre_study_data *)extra_data->study_data; if (re->magic_number != MAGIC_NUMBER) { re = _pcre_try_flipped(re, &internal_re, study, &internal_study); if (re == NULL) return PCRE_ERROR_BADMAGIC; if (study != NULL) study = &internal_study; } switch (what) { case PCRE_INFO_OPTIONS: *((unsigned long int *)where) = re->options & PUBLIC_COMPILE_OPTIONS; break; case PCRE_INFO_SIZE: *((size_t *)where) = re->size; break; case PCRE_INFO_STUDYSIZE: *((size_t *)where) = (study == NULL)? 0 : study->size; break; case PCRE_INFO_CAPTURECOUNT: *((int *)where) = re->top_bracket; break; case PCRE_INFO_BACKREFMAX: *((int *)where) = re->top_backref; break; case PCRE_INFO_FIRSTBYTE: *((int *)where) = ((re->flags & PCRE_FIRSTSET) != 0)? re->first_byte : ((re->flags & PCRE_STARTLINE) != 0)? -1 : -2; break; /* Make sure we pass back the pointer to the bit vector in the external block, not the internal copy (with flipped integer fields). */ case PCRE_INFO_FIRSTTABLE: *((const uschar **)where) = (study != NULL && (study->flags & PCRE_STUDY_MAPPED) != 0)? ((const pcre_study_data *)extra_data->study_data)->start_bits : NULL; break; case PCRE_INFO_MINLENGTH: *((int *)where) = (study != NULL && (study->flags & PCRE_STUDY_MINLEN) != 0)? study->minlength : -1; break; case PCRE_INFO_LASTLITERAL: *((int *)where) = ((re->flags & PCRE_REQCHSET) != 0)? re->req_byte : -1; break; case PCRE_INFO_NAMEENTRYSIZE: *((int *)where) = re->name_entry_size; break; case PCRE_INFO_NAMECOUNT: *((int *)where) = re->name_count; break; case PCRE_INFO_NAMETABLE: *((const uschar **)where) = (const uschar *)re + re->name_table_offset; break; case PCRE_INFO_DEFAULT_TABLES: *((const uschar **)where) = (const uschar *)(_pcre_default_tables); break; /* From release 8.00 this will always return TRUE because NOPARTIAL is no longer ever set (the restrictions have been removed). */ case PCRE_INFO_OKPARTIAL: *((int *)where) = (re->flags & PCRE_NOPARTIAL) == 0; break; case PCRE_INFO_JCHANGED: *((int *)where) = (re->flags & PCRE_JCHANGED) != 0; break; case PCRE_INFO_HASCRORLF: *((int *)where) = (re->flags & PCRE_HASCRORLF) != 0; break; default: return PCRE_ERROR_BADOPTION; } return 0; }
EXPORT int pcre_fullinfo(const pcre *argument_re, const pcre_extra *extra_data, int what, void *where) { real_pcre internal_re; pcre_study_data internal_study; const real_pcre *re = (const real_pcre *)argument_re; const pcre_study_data *study = NULL; if (re == NULL || where == NULL) return PCRE_ERROR_NULL; if (extra_data != NULL && (extra_data->flags & PCRE_EXTRA_STUDY_DATA) != 0) study = (const pcre_study_data *)extra_data->study_data; if (re->magic_number != MAGIC_NUMBER) { re = _pcre_try_flipped(re, &internal_re, study, &internal_study); if (re == NULL) return PCRE_ERROR_BADMAGIC; if (study != NULL) study = &internal_study; } switch (what) { case PCRE_INFO_OPTIONS: *((unsigned long int *)where) = re->options & PUBLIC_OPTIONS; break; case PCRE_INFO_SIZE: *((size_t *)where) = re->size; break; case PCRE_INFO_STUDYSIZE: *((size_t *)where) = (study == NULL)? 0 : study->size; break; case PCRE_INFO_CAPTURECOUNT: *((int *)where) = re->top_bracket; break; case PCRE_INFO_BACKREFMAX: *((int *)where) = re->top_backref; break; case PCRE_INFO_FIRSTBYTE: *((int *)where) = ((re->options & PCRE_FIRSTSET) != 0)? re->first_byte : ((re->options & PCRE_STARTLINE) != 0)? -1 : -2; break; /* Make sure we pass back the pointer to the bit vector in the external block, not the internal copy (with flipped integer fields). */ case PCRE_INFO_FIRSTTABLE: *((const uschar **)where) = (study != NULL && (study->options & PCRE_STUDY_MAPPED) != 0)? ((const pcre_study_data *)extra_data->study_data)->start_bits : NULL; break; case PCRE_INFO_LASTLITERAL: *((int *)where) = ((re->options & PCRE_REQCHSET) != 0)? re->req_byte : -1; break; case PCRE_INFO_NAMEENTRYSIZE: *((int *)where) = re->name_entry_size; break; case PCRE_INFO_NAMECOUNT: *((int *)where) = re->name_count; break; case PCRE_INFO_NAMETABLE: *((const uschar **)where) = (const uschar *)re + re->name_table_offset; break; case PCRE_INFO_DEFAULT_TABLES: *((const uschar **)where) = (const uschar *)(_pcre_default_tables); break; default: return PCRE_ERROR_BADOPTION; } return 0; }