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-rw-r--r--posix/regex_internal.c9
-rw-r--r--posix/regexec.c45
2 files changed, 54 insertions, 0 deletions
diff --git a/posix/regex_internal.c b/posix/regex_internal.c
index 1ff6329312..a0b3fa7a6c 100644
--- a/posix/regex_internal.c
+++ b/posix/regex_internal.c
@@ -127,6 +127,7 @@ re_string_construct (re_string_t *pstr, const char *str, int len,
/* Helper functions for re_string_allocate, and re_string_construct. */
static reg_errcode_t
+internal_function
re_string_realloc_buffers (re_string_t *pstr, int new_buf_len)
{
#ifdef RE_ENABLE_I18N
@@ -159,6 +160,7 @@ re_string_realloc_buffers (re_string_t *pstr, int new_buf_len)
static void
+internal_function
re_string_construct_common (const char *str, int len, re_string_t *pstr,
RE_TRANSLATE_TYPE trans, int icase,
const re_dfa_t *dfa)
@@ -190,6 +192,7 @@ re_string_construct_common (const char *str, int len, re_string_t *pstr,
built and starts from PSTR->VALID_LEN. */
static void
+internal_function
build_wcs_buffer (re_string_t *pstr)
{
#ifdef _LIBC
@@ -257,6 +260,7 @@ build_wcs_buffer (re_string_t *pstr)
but for REG_ICASE. */
static int
+internal_function
build_wcs_upper_buffer (re_string_t *pstr)
{
mbstate_t prev_st;
@@ -507,6 +511,7 @@ re_string_skip_chars (re_string_t *pstr, int new_raw_idx, wint_t *last_wc)
This function is used in case of REG_ICASE. */
static void
+internal_function
build_upper_buffer (re_string_t *pstr)
{
int char_idx, end_idx;
@@ -529,6 +534,7 @@ build_upper_buffer (re_string_t *pstr)
/* Apply TRANS to the buffer in PSTR. */
static void
+internal_function
re_string_translate_buffer (re_string_t *pstr)
{
int buf_idx, end_idx;
@@ -826,6 +832,7 @@ re_string_destruct (re_string_t *pstr)
/* Return the context at IDX in INPUT. */
static unsigned int
+internal_function
re_string_context_at (const re_string_t *input, int idx, int eflags)
{
int c;
@@ -1511,6 +1518,7 @@ free_state (re_dfastate_t *state)
Return the new state if succeeded, otherwise return NULL. */
static re_dfastate_t *
+internal_function
create_ci_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
unsigned int hash)
{
@@ -1560,6 +1568,7 @@ create_ci_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
Return the new state if succeeded, otherwise return NULL. */
static re_dfastate_t *
+internal_function
create_cd_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
unsigned int context, unsigned int hash)
{
diff --git a/posix/regexec.c b/posix/regexec.c
index 05da8f060a..bdfa3550a7 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -1064,6 +1064,7 @@ acquire_init_state_context (reg_errcode_t *err, const re_match_context_t *mctx,
index of the buffer. */
static int
+internal_function
check_matching (re_match_context_t *mctx, int fl_longest_match,
int *p_match_first)
{
@@ -1214,6 +1215,7 @@ check_halt_node_context (const re_dfa_t *dfa, int node, unsigned int context)
match the context, return the node. */
static int
+internal_function
check_halt_state_context (const re_match_context_t *mctx,
const re_dfastate_t *state, int idx)
{
@@ -1335,6 +1337,7 @@ proceed_next_node (const re_match_context_t *mctx, int nregs, regmatch_t *regs,
}
static reg_errcode_t
+internal_function
push_fail_stack (struct re_fail_stack_t *fs, int str_idx, int dest_node,
int nregs, regmatch_t *regs, re_node_set *eps_via_nodes)
{
@@ -1381,6 +1384,7 @@ pop_fail_stack (struct re_fail_stack_t *fs, int *pidx, int nregs,
pmatch[i].rm_so == pmatch[i].rm_eo == -1 for 0 < i < nmatch. */
static reg_errcode_t
+internal_function
set_regs (const regex_t *preg, const re_match_context_t *mctx, size_t nmatch,
regmatch_t *pmatch, int fl_backtrack)
{
@@ -1487,6 +1491,7 @@ set_regs (const regex_t *preg, const re_match_context_t *mctx, size_t nmatch,
}
static reg_errcode_t
+internal_function
free_fail_stack_return (struct re_fail_stack_t *fs)
{
if (fs)
@@ -1503,6 +1508,7 @@ free_fail_stack_return (struct re_fail_stack_t *fs)
}
static void
+internal_function
update_regs (const re_dfa_t *dfa, regmatch_t *pmatch,
regmatch_t *prev_idx_match, int cur_node, int cur_idx, int nmatch)
{
@@ -1574,6 +1580,7 @@ update_regs (const re_dfa_t *dfa, regmatch_t *pmatch,
((state) != NULL && re_node_set_contains (&(state)->nodes, node))
static reg_errcode_t
+internal_function
sift_states_backward (const re_match_context_t *mctx, re_sift_context_t *sctx)
{
reg_errcode_t err;
@@ -1631,6 +1638,7 @@ sift_states_backward (const re_match_context_t *mctx, re_sift_context_t *sctx)
}
static reg_errcode_t
+internal_function
build_sifted_states (const re_match_context_t *mctx, re_sift_context_t *sctx,
int str_idx, re_node_set *cur_dest)
{
@@ -1717,6 +1725,7 @@ clean_state_log_if_needed (re_match_context_t *mctx, int next_state_log_idx)
}
static reg_errcode_t
+internal_function
merge_state_array (const re_dfa_t *dfa, re_dfastate_t **dst,
re_dfastate_t **src, int num)
{
@@ -1743,6 +1752,7 @@ merge_state_array (const re_dfa_t *dfa, re_dfastate_t **dst,
}
static reg_errcode_t
+internal_function
update_cur_sifted_state (const re_match_context_t *mctx,
re_sift_context_t *sctx, int str_idx,
re_node_set *dest_nodes)
@@ -1790,6 +1800,7 @@ update_cur_sifted_state (const re_match_context_t *mctx,
}
static reg_errcode_t
+internal_function
add_epsilon_src_nodes (const re_dfa_t *dfa, re_node_set *dest_nodes,
const re_node_set *candidates)
{
@@ -1863,6 +1874,7 @@ sub_epsilon_src_nodes (const re_dfa_t *dfa, int node, re_node_set *dest_nodes,
}
static int
+internal_function
check_dst_limits (const re_match_context_t *mctx, re_node_set *limits,
int dst_node, int dst_idx, int src_node, int src_idx)
{
@@ -1898,6 +1910,7 @@ check_dst_limits (const re_match_context_t *mctx, re_node_set *limits,
}
static int
+internal_function
check_dst_limits_calc_pos_1 (const re_match_context_t *mctx, int boundaries,
int subexp_idx, int from_node, int bkref_idx)
{
@@ -1978,6 +1991,7 @@ check_dst_limits_calc_pos_1 (const re_match_context_t *mctx, int boundaries,
}
static int
+internal_function
check_dst_limits_calc_pos (const re_match_context_t *mctx, int limit,
int subexp_idx, int from_node, int str_idx,
int bkref_idx)
@@ -2007,6 +2021,7 @@ check_dst_limits_calc_pos (const re_match_context_t *mctx, int limit,
which are against limitations from DEST_NODES. */
static reg_errcode_t
+internal_function
check_subexp_limits (const re_dfa_t *dfa, re_node_set *dest_nodes,
const re_node_set *candidates, re_node_set *limits,
struct re_backref_cache_entry *bkref_ents, int str_idx)
@@ -2094,6 +2109,7 @@ check_subexp_limits (const re_dfa_t *dfa, re_node_set *dest_nodes,
}
static reg_errcode_t
+internal_function
sift_states_bkref (const re_match_context_t *mctx, re_sift_context_t *sctx,
int str_idx, const re_node_set *candidates)
{
@@ -2193,6 +2209,7 @@ sift_states_bkref (const re_match_context_t *mctx, re_sift_context_t *sctx,
#ifdef RE_ENABLE_I18N
static int
+internal_function
sift_states_iter_mb (const re_match_context_t *mctx, re_sift_context_t *sctx,
int node_idx, int str_idx, int max_str_idx)
{
@@ -2222,6 +2239,7 @@ sift_states_iter_mb (const re_match_context_t *mctx, re_sift_context_t *sctx,
update the destination of STATE_LOG. */
static re_dfastate_t *
+internal_function
transit_state (reg_errcode_t *err, re_match_context_t *mctx,
re_dfastate_t *state)
{
@@ -2279,6 +2297,7 @@ transit_state (reg_errcode_t *err, re_match_context_t *mctx,
/* Update the state_log if we need */
re_dfastate_t *
+internal_function
merge_state_with_log (reg_errcode_t *err, re_match_context_t *mctx,
re_dfastate_t *next_state)
{
@@ -2357,6 +2376,7 @@ merge_state_with_log (reg_errcode_t *err, re_match_context_t *mctx,
multi-byte match, then look in the log for a state
from which to restart matching. */
re_dfastate_t *
+internal_function
find_recover_state (reg_errcode_t *err, re_match_context_t *mctx)
{
re_dfastate_t *cur_state;
@@ -2387,6 +2407,7 @@ find_recover_state (reg_errcode_t *err, re_match_context_t *mctx)
correspoding back references. */
static reg_errcode_t
+internal_function
check_subexp_matching_top (re_match_context_t *mctx, re_node_set *cur_nodes,
int str_idx)
{
@@ -2459,6 +2480,7 @@ transit_state_sb (reg_errcode_t *err, re_match_context_t *mctx,
#ifdef RE_ENABLE_I18N
static reg_errcode_t
+internal_function
transit_state_mb (re_match_context_t *mctx, re_dfastate_t *pstate)
{
const re_dfa_t *const dfa = mctx->dfa;
@@ -2528,6 +2550,7 @@ transit_state_mb (re_match_context_t *mctx, re_dfastate_t *pstate)
#endif /* RE_ENABLE_I18N */
static reg_errcode_t
+internal_function
transit_state_bkref (re_match_context_t *mctx, const re_node_set *nodes)
{
const re_dfa_t *const dfa = mctx->dfa;
@@ -2641,6 +2664,7 @@ transit_state_bkref (re_match_context_t *mctx, const re_node_set *nodes)
delay these checking for prune_impossible_nodes(). */
static reg_errcode_t
+internal_function
get_subexp (re_match_context_t *mctx, int bkref_node, int bkref_str_idx)
{
const re_dfa_t *const dfa = mctx->dfa;
@@ -2789,6 +2813,7 @@ get_subexp (re_match_context_t *mctx, int bkref_node, int bkref_str_idx)
and SUB_LAST. */
static reg_errcode_t
+internal_function
get_subexp_sub (re_match_context_t *mctx, const re_sub_match_top_t *sub_top,
re_sub_match_last_t *sub_last, int bkref_node, int bkref_str)
{
@@ -2817,6 +2842,7 @@ get_subexp_sub (re_match_context_t *mctx, const re_sub_match_top_t *sub_top,
E.g. RE: (a){2} */
static int
+internal_function
find_subexp_node (const re_dfa_t *dfa, const re_node_set *nodes,
int subexp_idx, int type)
{
@@ -2838,6 +2864,7 @@ find_subexp_node (const re_dfa_t *dfa, const re_node_set *nodes,
Return REG_NOERROR if it can arrive, or REG_NOMATCH otherwise. */
static reg_errcode_t
+internal_function
check_arrival (re_match_context_t *mctx, state_array_t *path, int top_node,
int top_str, int last_node, int last_str, int type)
{
@@ -2998,6 +3025,7 @@ check_arrival (re_match_context_t *mctx, state_array_t *path, int top_node,
Can't we unify them? */
static reg_errcode_t
+internal_function
check_arrival_add_next_nodes (re_match_context_t *mctx, int str_idx,
re_node_set *cur_nodes, re_node_set *next_nodes)
{
@@ -3076,6 +3104,7 @@ check_arrival_add_next_nodes (re_match_context_t *mctx, int str_idx,
*/
static reg_errcode_t
+internal_function
check_arrival_expand_ecl (const re_dfa_t *dfa, re_node_set *cur_nodes,
int ex_subexp, int type)
{
@@ -3128,6 +3157,7 @@ check_arrival_expand_ecl (const re_dfa_t *dfa, re_node_set *cur_nodes,
problematic append it to DST_NODES. */
static reg_errcode_t
+internal_function
check_arrival_expand_ecl_sub (const re_dfa_t *dfa, re_node_set *dst_nodes,
int target, int ex_subexp, int type)
{
@@ -3171,6 +3201,7 @@ check_arrival_expand_ecl_sub (const re_dfa_t *dfa, re_node_set *dst_nodes,
in MCTX->BKREF_ENTS. */
static reg_errcode_t
+internal_function
expand_bkref_cache (re_match_context_t *mctx, re_node_set *cur_nodes,
int cur_str, int subexp_num, int type)
{
@@ -3259,6 +3290,7 @@ expand_bkref_cache (re_match_context_t *mctx, re_node_set *cur_nodes,
Return 1 if succeeded, otherwise return NULL. */
static int
+internal_function
build_trtable (const re_dfa_t *dfa, re_dfastate_t *state)
{
reg_errcode_t err;
@@ -3485,6 +3517,7 @@ out_free:
to DEST_CH[i]. This function return the number of destinations. */
static int
+internal_function
group_nodes_into_DFAstates (const re_dfa_t *dfa, const re_dfastate_t *state,
re_node_set *dests_node, bitset_t *dests_ch)
{
@@ -3674,6 +3707,7 @@ group_nodes_into_DFAstates (const re_dfa_t *dfa, const re_dfastate_t *state,
can only accept one byte. */
static int
+internal_function
check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
const re_string_t *input, int str_idx)
{
@@ -3909,6 +3943,7 @@ check_node_accept_bytes (const re_dfa_t *dfa, int node_idx,
# ifdef _LIBC
static unsigned int
+internal_function
find_collation_sequence_value (const unsigned char *mbs, size_t mbs_len)
{
uint32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
@@ -3971,6 +4006,7 @@ find_collation_sequence_value (const unsigned char *mbs, size_t mbs_len)
byte of the INPUT. */
static int
+internal_function
check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
int idx)
{
@@ -4020,6 +4056,7 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
/* Extend the buffers, if the buffers have run out. */
static reg_errcode_t
+internal_function
extend_buffers (re_match_context_t *mctx)
{
reg_errcode_t ret;
@@ -4078,6 +4115,7 @@ extend_buffers (re_match_context_t *mctx)
/* Initialize MCTX. */
static reg_errcode_t
+internal_function
match_ctx_init (re_match_context_t *mctx, int eflags, int n)
{
mctx->eflags = eflags;
@@ -4105,6 +4143,7 @@ match_ctx_init (re_match_context_t *mctx, int eflags, int n)
of the input, or changes the input string. */
static void
+internal_function
match_ctx_clean (re_match_context_t *mctx)
{
int st_idx;
@@ -4134,6 +4173,7 @@ match_ctx_clean (re_match_context_t *mctx)
/* Free all the memory associated with MCTX. */
static void
+internal_function
match_ctx_free (re_match_context_t *mctx)
{
/* First, free all the memory associated with MCTX->SUB_TOPS. */
@@ -4148,6 +4188,7 @@ match_ctx_free (re_match_context_t *mctx)
*/
static reg_errcode_t
+internal_function
match_ctx_add_entry (re_match_context_t *mctx, int node, int str_idx, int from,
int to)
{
@@ -4196,6 +4237,7 @@ match_ctx_add_entry (re_match_context_t *mctx, int node, int str_idx, int from,
found. Note that MCTX->BKREF_ENTS is already sorted by MCTX->STR_IDX. */
static int
+internal_function
search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx)
{
int left, right, mid, last;
@@ -4218,6 +4260,7 @@ search_cur_bkref_entry (const re_match_context_t *mctx, int str_idx)
at STR_IDX. */
static reg_errcode_t
+internal_function
match_ctx_add_subtop (re_match_context_t *mctx, int node, int str_idx)
{
#ifdef DEBUG
@@ -4247,6 +4290,7 @@ match_ctx_add_subtop (re_match_context_t *mctx, int node, int str_idx)
at STR_IDX, whose corresponding OP_OPEN_SUBEXP is SUB_TOP. */
static re_sub_match_last_t *
+internal_function
match_ctx_add_sublast (re_sub_match_top_t *subtop, int node, int str_idx)
{
re_sub_match_last_t *new_entry;
@@ -4273,6 +4317,7 @@ match_ctx_add_sublast (re_sub_match_top_t *subtop, int node, int str_idx)
}
static void
+internal_function
sift_ctx_init (re_sift_context_t *sctx, re_dfastate_t **sifted_sts,
re_dfastate_t **limited_sts, int last_node, int last_str_idx)
{