diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | posix/regex_internal.h | 4 | ||||
| -rw-r--r-- | posix/regexec.c | 33 |
3 files changed, 26 insertions, 17 deletions
@@ -1,3 +1,9 @@ +2003-11-23 Ulrich Drepper <drepper@redhat.com> + + * posix/regexec.c: Add const in a number of places. + * posix/regex_internal.h: Make EPSILON_BIT a macro to help + debugging. Its value isn't important. + 2003-11-22 Ulrich Drepper <drepper@redhat.com> * posix/PTESTS: Fix first test of GA143. diff --git a/posix/regex_internal.h b/posix/regex_internal.h index 0230b5d..5111f6d 100644 --- a/posix/regex_internal.h +++ b/posix/regex_internal.h @@ -178,7 +178,9 @@ typedef enum OP_UTF8_PERIOD = 7, #endif /* RE_ENABLE_I18N */ - EPSILON_BIT = 8, + /* We define EPSILON_BIT as a macro so that OP_OPEN_SUBEXP is used + when the debugger shows values of this enum type. */ +#define EPSILON_BIT 8 OP_OPEN_SUBEXP = EPSILON_BIT | 0, OP_CLOSE_SUBEXP = EPSILON_BIT | 1, OP_ALT = EPSILON_BIT | 2, diff --git a/posix/regexec.c b/posix/regexec.c index 91c48b3..42b561a 100644 --- a/posix/regexec.c +++ b/posix/regexec.c @@ -139,16 +139,16 @@ static reg_errcode_t transit_state_mb (const regex_t *preg, re_match_context_t *mctx); #endif /* RE_ENABLE_I18N */ static reg_errcode_t transit_state_bkref (const regex_t *preg, - re_node_set *nodes, + const re_node_set *nodes, re_match_context_t *mctx); static reg_errcode_t get_subexp (const regex_t *preg, re_match_context_t *mctx, int bkref_node, int bkref_str_idx); static reg_errcode_t get_subexp_sub (const regex_t *preg, re_match_context_t *mctx, - re_sub_match_top_t *sub_top, + const re_sub_match_top_t *sub_top, re_sub_match_last_t *sub_last, int bkref_node, int bkref_str); -static int find_subexp_node (re_dfa_t *dfa, re_node_set *nodes, +static int find_subexp_node (const re_dfa_t *dfa, const re_node_set *nodes, int subexp_idx, int fl_open); static reg_errcode_t check_arrival (const regex_t *preg, re_match_context_t *mctx, @@ -727,7 +727,7 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, } /* Reconstruct the buffers so that the matcher can assume that - the matching starts from the begining of the buffer. */ + the matching starts from the beginning of the buffer. */ err = re_string_reconstruct (&input, match_first, eflags, preg->newline_anchor); if (BE (err != REG_NOERROR, 0)) @@ -768,7 +768,7 @@ re_search_internal (preg, string, length, start, range, stop, nmatch, pmatch, goto free_return; } else - break; /* We found a matching. */ + break; /* We found a match. */ } } match_ctx_clean (&mctx); @@ -2362,7 +2362,7 @@ transit_state_mb (preg, pstate, mctx) static reg_errcode_t transit_state_bkref (preg, nodes, mctx) const regex_t *preg; - re_node_set *nodes; + const re_node_set *nodes; re_match_context_t *mctx; { reg_errcode_t err; @@ -2375,7 +2375,7 @@ transit_state_bkref (preg, nodes, mctx) int dest_str_idx, prev_nelem, bkc_idx; int node_idx = nodes->elems[i]; unsigned int context; - re_token_t *node = dfa->nodes + node_idx; + const re_token_t *node = dfa->nodes + node_idx; re_node_set *new_dest_nodes; /* Check whether `node' is a backreference or not. */ @@ -2483,12 +2483,13 @@ get_subexp (preg, mctx, bkref_node, bkref_str_idx) { int subexp_num, sub_top_idx; re_dfa_t *dfa = (re_dfa_t *) preg->buffer; - char *buf = (char *) re_string_get_buffer (mctx->input); + const char *buf = (const char *) re_string_get_buffer (mctx->input); /* Return if we have already checked BKREF_NODE at BKREF_STR_IDX. */ int cache_idx = search_cur_bkref_entry (mctx, bkref_str_idx); for (; cache_idx < mctx->nbkref_ents; ++cache_idx) { - struct re_backref_cache_entry *entry = mctx->bkref_ents + cache_idx; + const struct re_backref_cache_entry *entry + = &mctx->bkref_ents[cache_idx]; if (entry->str_idx > bkref_str_idx) break; if (entry->node == bkref_node) @@ -2503,7 +2504,7 @@ get_subexp (preg, mctx, bkref_node, bkref_str_idx) re_sub_match_top_t *sub_top = mctx->sub_tops[sub_top_idx]; re_sub_match_last_t *sub_last; int sub_last_idx, sl_str; - char *bkref_str; + const char *bkref_str; if (dfa->nodes[sub_top->node].opr.idx != subexp_num) continue; /* It isn't related. */ @@ -2529,7 +2530,7 @@ get_subexp (preg, mctx, bkref_node, bkref_str_idx) /* Reload buf and bkref_str, since the preceding call might have reallocated the buffer. */ - buf = (char *) re_string_get_buffer (mctx->input); + buf = (const char *) re_string_get_buffer (mctx->input); bkref_str = buf + bkref_str_idx; if (err == REG_NOMATCH) @@ -2545,7 +2546,7 @@ get_subexp (preg, mctx, bkref_node, bkref_str_idx) for (; sl_str <= bkref_str_idx; ++sl_str) { int cls_node, sl_str_off; - re_node_set *nodes; + const re_node_set *nodes; sl_str_off = sl_str - sub_top->str_idx; /* The matched string by the sub expression match with the substring at the back reference? */ @@ -2595,7 +2596,7 @@ static reg_errcode_t get_subexp_sub (preg, mctx, sub_top, sub_last, bkref_node, bkref_str) const regex_t *preg; re_match_context_t *mctx; - re_sub_match_top_t *sub_top; + const re_sub_match_top_t *sub_top; re_sub_match_last_t *sub_last; int bkref_node, bkref_str; { @@ -2625,15 +2626,15 @@ get_subexp_sub (preg, mctx, sub_top, sub_last, bkref_node, bkref_str) static int find_subexp_node (dfa, nodes, subexp_idx, fl_open) - re_dfa_t *dfa; - re_node_set *nodes; + const re_dfa_t *dfa; + const re_node_set *nodes; int subexp_idx, fl_open; { int cls_idx; for (cls_idx = 0; cls_idx < nodes->nelem; ++cls_idx) { int cls_node = nodes->elems[cls_idx]; - re_token_t *node = dfa->nodes + cls_node; + const re_token_t *node = dfa->nodes + cls_node; if (((fl_open && node->type == OP_OPEN_SUBEXP) || (!fl_open && node->type == OP_CLOSE_SUBEXP)) && node->opr.idx == subexp_idx) |