diff options
Diffstat (limited to 'posix/regexec.c')
| -rw-r--r-- | posix/regexec.c | 362 |
1 files changed, 238 insertions, 124 deletions
diff --git a/posix/regexec.c b/posix/regexec.c index 511b979f2a..17c469c47f 100644 --- a/posix/regexec.c +++ b/posix/regexec.c @@ -85,7 +85,7 @@ static int proceed_next_node (const regex_t *preg, int nregs, regmatch_t *regs, const re_match_context_t *mctx, int *pidx, int node, re_node_set *eps_via_nodes, struct re_fail_stack_t *fs); -static reg_errcode_t push_fail_stack (struct re_fail_stack_t *fs, +static reg_errcode_t push_fail_stack (struct re_fail_stack_t *fs, int str_idx, int *dests, int nregs, regmatch_t *regs, re_node_set *eps_via_nodes); @@ -337,7 +337,7 @@ re_search_2_stub (bufp, string1, length1, string2, length2, start, range, regs, rval = re_search_stub (bufp, str, len, start, range, stop, regs, ret_len); if (free_str) - re_free ((char *) str); + re_free ((char *) str); return rval; } @@ -575,9 +575,10 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, re_string_t input; int left_lim, right_lim, incr; int fl_longest_match, match_first, match_last = -1; + int fast_translate, sb; re_match_context_t mctx; - char *fastmap = ((preg->fastmap != NULL && preg->fastmap_accurate) - ? preg->fastmap : NULL); + char *fastmap = ((preg->fastmap != NULL && preg->fastmap_accurate + && range && !preg->can_be_null) ? preg->fastmap : NULL); /* Check if the DFA haven't been compiled. */ if (BE (preg->used == 0 || dfa->init_state == NULL @@ -586,6 +587,7 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, return REG_NOMATCH; re_node_set_init_empty (&empty_set); + memset (&mctx, '\0', sizeof (re_match_context_t)); /* We must check the longest matching, if nmatch > 0. */ fl_longest_match = (nmatch != 0); @@ -593,12 +595,12 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, err = re_string_allocate (&input, string, length, dfa->nodes_len + 1, preg->translate, preg->syntax & RE_ICASE); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; input.stop = stop; err = match_ctx_init (&mctx, eflags, &input, dfa->nbackref * 2); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; /* We will log all the DFA states through which the dfa pass, if nmatch > 1, or this dfa has "multibyte node", which is a @@ -608,7 +610,10 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, { mctx.state_log = re_malloc (re_dfastate_t *, dfa->nodes_len + 1); if (BE (mctx.state_log == NULL, 0)) - return REG_ESPACE; + { + err = REG_ESPACE; + goto free_return; + } } else mctx.state_log = NULL; @@ -626,65 +631,117 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, incr = (range < 0) ? -1 : 1; left_lim = (range < 0) ? start + range : start; right_lim = (range < 0) ? start : start + range; + sb = MB_CUR_MAX == 1; + fast_translate = sb || !(preg->syntax & RE_ICASE || preg->translate); for (;;) { /* At first get the current byte from input string. */ - int ch; - if (MB_CUR_MAX > 1 && (preg->syntax & RE_ICASE || preg->translate)) - { - /* In this case, we can't determin easily the current byte, - since it might be a component byte of a multibyte character. - Then we use the constructed buffer instead. */ - /* If MATCH_FIRST is out of the valid range, reconstruct the - buffers. */ - if (input.raw_mbs_idx + input.valid_len <= match_first) - re_string_reconstruct (&input, match_first, eflags, - preg->newline_anchor); - /* If MATCH_FIRST is out of the buffer, leave it as '\0'. - Note that MATCH_FIRST must not be smaller than 0. */ - ch = ((match_first >= length) ? 0 - : re_string_byte_at (&input, match_first - input.raw_mbs_idx)); - } - else - { - /* We apply translate/conversion manually, since it is trivial - in this case. */ - /* If MATCH_FIRST is out of the buffer, leave it as '\0'. - Note that MATCH_FIRST must not be smaller than 0. */ - ch = (match_first < length) ? (unsigned char)string[match_first] : 0; - /* Apply translation if we need. */ - ch = preg->translate ? preg->translate[ch] : ch; - /* In case of case insensitive mode, convert to upper case. */ - ch = ((preg->syntax & RE_ICASE) && islower (ch)) ? toupper (ch) : ch; - } + if (fastmap) + { + if (BE (fast_translate, 1)) + { + unsigned RE_TRANSLATE_TYPE t + = (unsigned RE_TRANSLATE_TYPE) preg->translate; + if (BE (range >= 0, 1)) + { + if (BE (t != NULL, 0)) + { + while (BE (match_first < right_lim, 1) + && !fastmap[t[(unsigned char) string[match_first]]]) + ++match_first; + } + else + { + while (BE (match_first < right_lim, 1) + && !fastmap[(unsigned char) string[match_first]]) + ++match_first; + } + if (BE (match_first == right_lim, 0)) + { + int ch = match_first >= length + ? 0 : (unsigned char) string[match_first]; + if (!fastmap[t ? t[ch] : ch]) + break; + } + } + else + { + while (match_first >= left_lim) + { + int ch = match_first >= length + ? 0 : (unsigned char) string[match_first]; + if (fastmap[t ? t[ch] : ch]) + break; + --match_first; + } + if (match_first < left_lim) + break; + } + } + else + { + int ch; + + do + { + /* In this case, we can't determine easily the current byte, + since it might be a component byte of a multibyte + character. Then we use the constructed buffer + instead. */ + /* If MATCH_FIRST is out of the valid range, reconstruct the + buffers. */ + if (input.raw_mbs_idx + input.valid_len <= match_first + || match_first < input.raw_mbs_idx) + { + err = re_string_reconstruct (&input, match_first, eflags, + preg->newline_anchor); + if (BE (err != REG_NOERROR, 0)) + goto free_return; + } + /* If MATCH_FIRST is out of the buffer, leave it as '\0'. + Note that MATCH_FIRST must not be smaller than 0. */ + ch = ((match_first >= length) ? 0 + : re_string_byte_at (&input, + match_first - input.raw_mbs_idx)); + if (fastmap[ch]) + break; + match_first += incr; + } + while (match_first >= left_lim && match_first <= right_lim); + if (! fastmap[ch]) + break; + } + } - /* Eliminate inappropriate one by fastmap. */ - if (preg->can_be_null || fastmap == NULL || fastmap[ch]) - { - /* Reconstruct the buffers so that the matcher can assume that - the matching starts from the begining of the buffer. */ - re_string_reconstruct (&input, match_first, eflags, - preg->newline_anchor); + /* Reconstruct the buffers so that the matcher can assume that + the matching starts from the begining of the buffer. */ + err = re_string_reconstruct (&input, match_first, eflags, + preg->newline_anchor); + if (BE (err != REG_NOERROR, 0)) + goto free_return; #ifdef RE_ENABLE_I18N - /* Eliminate it when it is a component of a multibyte character - and isn't the head of a multibyte character. */ - if (MB_CUR_MAX == 1 || re_string_first_byte (&input, 0)) + /* Eliminate it when it is a component of a multibyte character + and isn't the head of a multibyte character. */ + if (sb || re_string_first_byte (&input, 0)) #endif - { - /* It seems to be appropriate one, then use the matcher. */ - /* We assume that the matching starts from 0. */ - mctx.state_log_top = mctx.nbkref_ents = mctx.max_mb_elem_len = 0; - match_last = check_matching (preg, &mctx, 0, fl_longest_match); - if (match_last != -1) - { - if (BE (match_last == -2, 0)) - return REG_ESPACE; - else - break; /* We found a matching. */ - } - } - } + { + /* It seems to be appropriate one, then use the matcher. */ + /* We assume that the matching starts from 0. */ + mctx.state_log_top = mctx.nbkref_ents = mctx.max_mb_elem_len = 0; + match_last = check_matching (preg, &mctx, 0, fl_longest_match); + if (match_last != -1) + { + if (BE (match_last == -2, 0)) + { + err = REG_ESPACE; + goto free_return; + } + else + break; /* We found a matching. */ + } + } + /* Update counter. */ match_first += incr; if (match_first < left_lim || right_lim < match_first) @@ -722,28 +779,42 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, match_ctx_clear_flag (&mctx); sifted_states = re_malloc (re_dfastate_t *, match_last + 1); if (BE (sifted_states == NULL, 0)) - return REG_ESPACE; + { + err = REG_ESPACE; + goto free_return; + } if (dfa->nbackref) { lim_states = calloc (sizeof (re_dfastate_t *), match_last + 1); if (BE (lim_states == NULL, 0)) - return REG_ESPACE; + { + re_free (sifted_states); + err = REG_ESPACE; + goto free_return; + } } sift_ctx_init (&sctx, sifted_states, lim_states, halt_node, mctx.match_last, 0); err = sift_states_backward (preg, &mctx, &sctx); + re_node_set_free (&sctx.limits); if (BE (err != REG_NOERROR, 0)) - return err; + { + re_free (sifted_states); + re_free (lim_states); + goto free_return; + } if (lim_states != NULL) { err = merge_state_array (dfa, sifted_states, lim_states, match_last + 1); - if (BE (err != REG_NOERROR, 0)) - return err; re_free (lim_states); + if (BE (err != REG_NOERROR, 0)) + { + re_free (sifted_states); + goto free_return; + } } - re_node_set_free (&sctx.limits); re_free (mctx.state_log); mctx.state_log = sifted_states; } @@ -751,7 +822,7 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, err = set_regs (preg, &mctx, nmatch, pmatch, dfa->has_plural_match && dfa->nbackref > 0); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } /* At last, add the offset to the each registers, since we slided @@ -763,13 +834,13 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, pmatch[reg_idx].rm_eo += match_first; } } - + err = (match_last == -1) ? REG_NOMATCH : REG_NOERROR; + free_return: re_free (mctx.state_log); if (dfa->nbackref) match_ctx_free (&mctx); re_string_destruct (&input); - - return (match_last == -1) ? REG_NOMATCH : REG_NOERROR; + return err; } /* Acquire an initial state and return it. @@ -1099,11 +1170,13 @@ push_fail_stack (fs, str_idx, dests, nregs, regs, eps_via_nodes) int num = fs->num++; if (fs->num == fs->alloc) { + struct re_fail_stack_ent_t *new_array; fs->alloc *= 2; - fs->stack = realloc (fs->stack, (sizeof (struct re_fail_stack_ent_t) + new_array = realloc (fs->stack, (sizeof (struct re_fail_stack_ent_t) * fs->alloc)); - if (fs->stack == NULL) + if (new_array == NULL) return REG_ESPACE; + fs->stack = new_array; } fs->stack[num].idx = str_idx; fs->stack[num].node = dests[1]; @@ -1112,7 +1185,7 @@ push_fail_stack (fs, str_idx, dests, nregs, regs, eps_via_nodes) err = re_node_set_init_copy (&fs->stack[num].eps_via_nodes, eps_via_nodes); return err; } - + static int pop_fail_stack (fs, pidx, nregs, regs, eps_via_nodes) struct re_fail_stack_t *fs; @@ -1301,7 +1374,7 @@ sift_states_backward (preg, mctx, sctx) return err; err = update_cur_sifted_state (preg, mctx, sctx, str_idx, &cur_dest); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; /* Then check each states in the state_log. */ while (str_idx > 0) @@ -1365,7 +1438,10 @@ sift_states_backward (preg, mctx, sctx) } ret = re_node_set_insert (&cur_dest, prev_node); if (BE (ret == -1, 0)) - return err; + { + err = REG_ESPACE; + goto free_return; + } } /* Add all the nodes which satisfy the following conditions: @@ -1374,11 +1450,12 @@ sift_states_backward (preg, mctx, sctx) And update state_log. */ err = update_cur_sifted_state (preg, mctx, sctx, str_idx, &cur_dest); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } - + err = REG_NOERROR; + free_return: re_node_set_free (&cur_dest); - return REG_NOERROR; + return err; } /* Helper functions. */ @@ -1409,7 +1486,8 @@ clean_state_log_if_need (mctx, next_state_log_idx) return REG_NOERROR; } -static reg_errcode_t merge_state_array (dfa, dst, src, num) +static reg_errcode_t +merge_state_array (dfa, dst, src, num) re_dfa_t *dfa; re_dfastate_t **dst; re_dfastate_t **src; @@ -1429,9 +1507,9 @@ static reg_errcode_t merge_state_array (dfa, dst, src, num) if (BE (err != REG_NOERROR, 0)) return err; dst[st_idx] = re_acquire_state (&err, dfa, &merged_set); + re_node_set_free (&merged_set); if (BE (err != REG_NOERROR, 0)) return err; - re_node_set_free (&merged_set); } } return REG_NOERROR; @@ -1512,7 +1590,10 @@ add_epsilon_src_nodes (dfa, dest_nodes, candidates) dfa->inveclosures + src_copy.elems[src_idx]); if (BE (err != REG_NOERROR, 0)) - return err; + { + re_node_set_free (&src_copy); + return err; + } } re_node_set_free (&src_copy); return REG_NOERROR; @@ -1549,7 +1630,10 @@ sub_epsilon_src_nodes (dfa, node, dest_nodes, candidates) err = re_node_set_add_intersect (&except_nodes, candidates, dfa->inveclosures + cur_node); if (BE (err != REG_NOERROR, 0)) - return err; + { + re_node_set_free (&except_nodes); + return err; + } } } } @@ -1791,7 +1875,7 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) local_sctx = *sctx; err = re_node_set_init_copy (&local_sctx.limits, &sctx->limits); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } local_sctx.check_subexp = -sctx->check_subexp; local_sctx.limited_states = sctx->limited_states; @@ -1801,7 +1885,7 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) err = sift_states_backward (preg, mctx, &local_sctx); local_sctx.sifted_states[str_idx] = cur_state; if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; /* There must not 2 same node in a node set. */ break; } @@ -1823,7 +1907,7 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) reg_errcode_t err; err = extend_buffers (mctx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } buf = (char *) re_string_get_buffer (mctx->input); if (strncmp (buf + str_idx, buf + bkref_str_idx, subexp_len) != 0) @@ -1835,17 +1919,20 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) if (lim_states == NULL) { lim_states = re_malloc (re_dfastate_t *, str_idx + 1); + if (BE (lim_states == NULL, 0)) + { + err = REG_ESPACE; + goto free_return; + } } if (local_sctx.sifted_states == NULL) { /* It hasn't been initialized yet, initialize it now. */ local_sctx = *sctx; - if (BE (lim_states == NULL, 0)) - return REG_ESPACE; err = re_node_set_init_copy (&local_sctx.limits, &sctx->limits); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } local_sctx.check_subexp = 0; local_sctx.last_node = node; @@ -1855,7 +1942,7 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) sizeof (re_dfastate_t*) * (str_idx + 1)); err = sift_states_backward (preg, mctx, &local_sctx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; if (local_sctx.sifted_states[0] == NULL && local_sctx.limited_states[0] == NULL) { @@ -1869,10 +1956,10 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) err = match_ctx_add_entry (mctx, sctx->cur_bkref, bkref_str_idx, str_idx, sctx->cls_subexp_idx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; err = clean_state_log_if_need (mctx, dest_str_idx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; break; } } @@ -1882,18 +1969,19 @@ search_subexp (preg, mctx, sctx, str_idx, dest_nodes) { err = sub_epsilon_src_nodes(dfa, node, dest_nodes, candidates); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; /* Update state_log. */ sctx->sifted_states[str_idx] = re_acquire_state (&err, dfa, dest_nodes); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } - + err = REG_NOERROR; + free_return: if (local_sctx.sifted_states != NULL) re_node_set_free (&local_sctx.limits); if (lim_states != NULL) re_free (lim_states); - return REG_NOERROR; + return err; } static reg_errcode_t @@ -1958,11 +2046,11 @@ sift_states_bkref (preg, mctx, sctx, str_idx, dest_nodes) cur_bkref_idx, entry->subexp_from, entry->subexp_to); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; err = clean_state_log_if_need (mctx, cur_bkref_idx + subexp_len); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } else { @@ -1984,24 +2072,27 @@ sift_states_bkref (preg, mctx, sctx, str_idx, dest_nodes) err = re_node_set_init_copy (&local_sctx.limits, &sctx->limits); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } local_sctx.last_node = node; local_sctx.last_str_idx = str_idx; err = re_node_set_insert (&local_sctx.limits, enabled_idx); if (BE (err < 0, 0)) - return REG_ESPACE; + { + err = REG_ESPACE; + goto free_return; + } cur_state = local_sctx.sifted_states[str_idx]; err = sift_states_backward (preg, mctx, &local_sctx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; if (sctx->limited_states != NULL) { err = merge_state_array (dfa, sctx->limited_states, local_sctx.sifted_states, str_idx + 1); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } local_sctx.sifted_states[str_idx] = cur_state; re_node_set_remove (&local_sctx.limits, enabled_idx); @@ -2019,12 +2110,14 @@ sift_states_bkref (preg, mctx, sctx, str_idx, dest_nodes) } } } + err = REG_NOERROR; + free_return: if (local_sctx.sifted_states != NULL) { re_node_set_free (&local_sctx.limits); } - return REG_NOERROR; + return err; } @@ -2215,7 +2308,10 @@ transit_state_sb (err, preg, state, fl_search, mctx) *err = re_node_set_merge (&next_nodes, dfa->eclosures + dfa->nexts[cur_node]); if (BE (*err != REG_NOERROR, 0)) - return NULL; + { + re_node_set_free (&next_nodes); + return NULL; + } } } if (fl_search) @@ -2235,7 +2331,10 @@ transit_state_sb (err, preg, state, fl_search, mctx) *err = re_node_set_merge (&next_nodes, dfa->init_state->entrance_nodes); if (BE (*err != REG_NOERROR, 0)) - return NULL; + { + re_node_set_free (&next_nodes); + return NULL; + } } } context = re_string_context_at (mctx->input, cur_str_idx, mctx->eflags, @@ -2313,10 +2412,10 @@ transit_state_mb (preg, pstate, mctx) preg->newline_anchor); mctx->state_log[dest_idx] = re_acquire_state_context (&err, dfa, &dest_nodes, context); - if (BE (mctx->state_log[dest_idx] == NULL && err != REG_NOERROR, 0)) - return err; if (dest_state != NULL) re_node_set_free (&dest_nodes); + if (BE (mctx->state_log[dest_idx] == NULL && err != REG_NOERROR, 0)) + return err; } return REG_NOERROR; } @@ -2389,7 +2488,7 @@ transit_state_bkref_loop (preg, nodes, work_state_log, mctx) match_ctx_clear_flag (mctx); err = sift_states_backward (preg, mctx, &sctx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; /* And add the epsilon closures (which is `new_dest_nodes') of the backreference to appropriate state_log. */ @@ -2424,7 +2523,7 @@ transit_state_bkref_loop (preg, nodes, work_state_log, mctx) context); if (BE (mctx->state_log[dest_str_idx] == NULL && err != REG_NOERROR, 0)) - return err; + goto free_return; } else { @@ -2433,13 +2532,16 @@ transit_state_bkref_loop (preg, nodes, work_state_log, mctx) dest_state->entrance_nodes, new_dest_nodes); if (BE (err != REG_NOERROR, 0)) - return err; + { + re_node_set_free (&dest_nodes); + goto free_return; + } mctx->state_log[dest_str_idx] = re_acquire_state_context (&err, dfa, &dest_nodes, context); + re_node_set_free (&dest_nodes); if (BE (mctx->state_log[dest_str_idx] == NULL && err != REG_NOERROR, 0)) - return err; - re_node_set_free (&dest_nodes); + goto free_return; } /* We need to check recursively if the backreference can epsilon transit. */ @@ -2449,12 +2551,14 @@ transit_state_bkref_loop (preg, nodes, work_state_log, mctx) err = transit_state_bkref_loop (preg, new_dest_nodes, work_state_log, mctx); if (BE (err != REG_NOERROR, 0)) - return err; + goto free_return; } } } + err = REG_NOERROR; + free_return: re_free (cur_regs); - return REG_NOERROR; + return err; } /* Build transition table for the state. @@ -2776,14 +2880,14 @@ group_nodes_into_DFAstates (preg, state, dests_node, dests_ch) bitset_copy (dests_ch[j], intersec); err = re_node_set_init_copy (dests_node + ndests, &dests_node[j]); if (BE (err != REG_NOERROR, 0)) - return -1; + goto error_return; ++ndests; } /* Put the position in the current group. */ err = re_node_set_insert (&dests_node[j], cur_nodes->elems[i]); if (BE (err < 0, 0)) - return -1; + goto error_return; /* If all characters are consumed, go to next node. */ if (!not_consumed) @@ -2795,12 +2899,16 @@ group_nodes_into_DFAstates (preg, state, dests_node, dests_ch) bitset_copy (dests_ch[ndests], accepts); err = re_node_set_init_1 (dests_node + ndests, cur_nodes->elems[i]); if (BE (err != REG_NOERROR, 0)) - return -1; + goto error_return; ++ndests; bitset_empty (accepts); } } return ndests; + error_return: + for (j = 0; j < ndests; ++j) + re_node_set_free (dests_node + j); + return -1; } #ifdef RE_ENABLE_I18N @@ -3099,10 +3207,12 @@ extend_buffers (mctx) if (mctx->state_log != NULL) { /* And double the length of state_log. */ - mctx->state_log = re_realloc (mctx->state_log, re_dfastate_t *, - pstr->bufs_len * 2); - if (BE (mctx->state_log == NULL, 0)) + re_dfastate_t **new_array; + new_array = re_realloc (mctx->state_log, re_dfastate_t *, + pstr->bufs_len * 2); + if (BE (new_array == NULL, 0)) return REG_ESPACE; + mctx->state_log = new_array; } /* Then reconstruct the buffers. */ @@ -3174,13 +3284,17 @@ match_ctx_add_entry (mctx, node, str_idx, from, to) { if (mctx->nbkref_ents >= mctx->abkref_ents) { - mctx->bkref_ents = re_realloc (mctx->bkref_ents, - struct re_backref_cache_entry, - mctx->abkref_ents * 2); - if (BE (mctx->bkref_ents == NULL, 0)) - return REG_ESPACE; + struct re_backref_cache_entry* new_entry; + new_entry = re_realloc (mctx->bkref_ents, struct re_backref_cache_entry, + mctx->abkref_ents * 2); + if (BE (new_entry == NULL, 0)) + { + re_free (mctx->bkref_ents); + return REG_ESPACE; + } + mctx->bkref_ents = new_entry; memset (mctx->bkref_ents + mctx->nbkref_ents, '\0', - sizeof (struct re_backref_cache_entry) * mctx->abkref_ents); + sizeof (struct re_backref_cache_entry) * mctx->abkref_ents); mctx->abkref_ents *= 2; } mctx->bkref_ents[mctx->nbkref_ents].node = node; |