Sync support with GLIBC and GNULIB.

1 files changed, 25 insertions, 36 deletions

diff --git a/support/regex_internal.c b/support/regex_internal.c
index 2b3120c2..0ca65d46 100644
--- a/support/regex_internal.c
+++ b/support/regex_internal.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002-2017 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
@@ -20,14 +20,14 @@
 static void re_string_construct_common (const char *str, int len,
 					re_string_t *pstr,
 					RE_TRANSLATE_TYPE trans, int icase,
-					const re_dfa_t *dfa) internal_function;
+					const re_dfa_t *dfa);
 static re_dfastate_t *create_ci_newstate (const re_dfa_t *dfa,
 					  const re_node_set *nodes,
-					  unsigned int hash) internal_function;
+					  unsigned int hash);
 static re_dfastate_t *create_cd_newstate (const re_dfa_t *dfa,
 					  const re_node_set *nodes,
 					  unsigned int context,
-					  unsigned int hash) internal_function;
+					  unsigned int hash);
 
 #ifdef GAWK
 #undef MAX	/* safety */
@@ -44,7 +44,7 @@ MAX(size_t a, size_t b)
    re_string_reconstruct before using the object.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_string_allocate (re_string_t *pstr, const char *str, int len, int init_len,
 		    RE_TRANSLATE_TYPE trans, int icase, const re_dfa_t *dfa)
 {
@@ -72,7 +72,7 @@ re_string_allocate (re_string_t *pstr, const char *str, int len, int init_len,
 /* This function allocate the buffers, and initialize them.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_string_construct (re_string_t *pstr, const char *str, int len,
 		     RE_TRANSLATE_TYPE trans, int icase, const re_dfa_t *dfa)
 {
@@ -135,7 +135,7 @@ 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 __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_string_realloc_buffers (re_string_t *pstr, int new_buf_len)
 {
 #ifdef RE_ENABLE_I18N
@@ -175,7 +175,6 @@ 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)
@@ -207,7 +206,6 @@ 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
@@ -276,7 +274,7 @@ build_wcs_buffer (re_string_t *pstr)
    but for REG_ICASE.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 build_wcs_upper_buffer (re_string_t *pstr)
 {
   mbstate_t prev_st;
@@ -495,7 +493,6 @@ build_wcs_upper_buffer (re_string_t *pstr)
    Return the index.  */
 
 static int
-internal_function
 re_string_skip_chars (re_string_t *pstr, int new_raw_idx, wint_t *last_wc)
 {
   mbstate_t prev_st;
@@ -536,7 +533,6 @@ 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;
@@ -559,7 +555,6 @@ 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;
@@ -580,7 +575,7 @@ re_string_translate_buffer (re_string_t *pstr)
    convert to upper case in case of REG_ICASE, apply translation.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
 {
   int offset = idx - pstr->raw_mbs_idx;
@@ -840,7 +835,7 @@ re_string_reconstruct (re_string_t *pstr, int idx, int eflags)
 }
 
 static unsigned char
-internal_function __attribute ((pure))
+__attribute ((pure))
 re_string_peek_byte_case (const re_string_t *pstr, int idx)
 {
   int ch, off;
@@ -876,7 +871,6 @@ re_string_peek_byte_case (const re_string_t *pstr, int idx)
 }
 
 static unsigned char
-internal_function
 re_string_fetch_byte_case (re_string_t *pstr)
 {
   if (BE (!pstr->mbs_allocated, 1))
@@ -913,7 +907,6 @@ re_string_fetch_byte_case (re_string_t *pstr)
 }
 
 static void
-internal_function
 re_string_destruct (re_string_t *pstr)
 {
 #ifdef RE_ENABLE_I18N
@@ -927,7 +920,6 @@ 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;
@@ -972,7 +964,7 @@ re_string_context_at (const re_string_t *input, int idx, int eflags)
 /* Functions for set operation.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_alloc (re_node_set *set, int size)
 {
   /*
@@ -994,7 +986,7 @@ re_node_set_alloc (re_node_set *set, int size)
 }
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_init_1 (re_node_set *set, int elem)
 {
   set->alloc = 1;
@@ -1010,7 +1002,7 @@ re_node_set_init_1 (re_node_set *set, int elem)
 }
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_init_2 (re_node_set *set, int elem1, int elem2)
 {
   set->alloc = 2;
@@ -1040,7 +1032,7 @@ re_node_set_init_2 (re_node_set *set, int elem1, int elem2)
 }
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_init_copy (re_node_set *dest, const re_node_set *src)
 {
   dest->nelem = src->nelem;
@@ -1065,7 +1057,7 @@ re_node_set_init_copy (re_node_set *dest, const re_node_set *src)
    Note: We assume dest->elems is NULL, when dest->alloc is 0.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_add_intersect (re_node_set *dest, const re_node_set *src1,
 			   const re_node_set *src2)
 {
@@ -1156,7 +1148,7 @@ re_node_set_add_intersect (re_node_set *dest, const re_node_set *src1,
    DEST. Return value indicate the error code or REG_NOERROR if succeeded.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_init_union (re_node_set *dest, const re_node_set *src1,
 			const re_node_set *src2)
 {
@@ -1209,7 +1201,7 @@ re_node_set_init_union (re_node_set *dest, const re_node_set *src1,
    DEST. Return value indicate the error code or REG_NOERROR if succeeded.  */
 
 static reg_errcode_t
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_merge (re_node_set *dest, const re_node_set *src)
 {
   int is, id, sbase, delta;
@@ -1292,7 +1284,7 @@ re_node_set_merge (re_node_set *dest, const re_node_set *src)
    return -1 if an error is occured, return 1 otherwise.  */
 
 static int
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_insert (re_node_set *set, int elem)
 {
   int idx;
@@ -1349,7 +1341,7 @@ re_node_set_insert (re_node_set *set, int elem)
    Return -1 if an error is occured, return 1 otherwise.  */
 
 static int
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_node_set_insert_last (re_node_set *set, int elem)
 {
   /* Realloc if we need.  */
@@ -1372,7 +1364,7 @@ re_node_set_insert_last (re_node_set *set, int elem)
    return 1 if SET1 and SET2 are equivalent, return 0 otherwise.  */
 
 static int
-internal_function __attribute ((pure))
+__attribute ((pure))
 re_node_set_compare (const re_node_set *set1, const re_node_set *set2)
 {
   int i;
@@ -1387,7 +1379,7 @@ re_node_set_compare (const re_node_set *set1, const re_node_set *set2)
 /* Return (idx + 1) if SET contains the element ELEM, return 0 otherwise.  */
 
 static int
-internal_function __attribute ((pure))
+__attribute ((pure))
 re_node_set_contains (const re_node_set *set, int elem)
 {
   unsigned int idx, right, mid;
@@ -1409,7 +1401,6 @@ re_node_set_contains (const re_node_set *set, int elem)
 }
 
 static void
-internal_function
 re_node_set_remove_at (re_node_set *set, int idx)
 {
   if (idx < 0 || idx >= set->nelem)
@@ -1424,7 +1415,6 @@ re_node_set_remove_at (re_node_set *set, int idx)
    Or return -1, if an error will be occured.  */
 
 static int
-internal_function
 re_dfa_add_node (re_dfa_t *dfa, re_token_t token)
 {
   if (BE (dfa->nodes_len >= dfa->nodes_alloc, 0))
@@ -1482,7 +1472,6 @@ re_dfa_add_node (re_dfa_t *dfa, re_token_t token)
 }
 
 static inline unsigned int
-internal_function
 calc_state_hash (const re_node_set *nodes, unsigned int context)
 {
   unsigned int hash = nodes->nelem + context;
@@ -1502,7 +1491,7 @@ calc_state_hash (const re_node_set *nodes, unsigned int context)
 	   optimization.  */
 
 static re_dfastate_t *
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_acquire_state (reg_errcode_t *err, const re_dfa_t *dfa,
 		  const re_node_set *nodes)
 {
@@ -1546,7 +1535,7 @@ re_acquire_state (reg_errcode_t *err, const re_dfa_t *dfa,
 	   optimization.  */
 
 static re_dfastate_t *
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 re_acquire_state_context (reg_errcode_t *err, const re_dfa_t *dfa,
 			  const re_node_set *nodes, unsigned int context)
 {
@@ -1638,7 +1627,7 @@ free_state (re_dfastate_t *state)
    Return the new state if succeeded, otherwise return NULL.  */
 
 static re_dfastate_t *
-internal_function __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 create_ci_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
 		    unsigned int hash)
 {
@@ -1688,7 +1677,7 @@ 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 __attribute_warn_unused_result__
+__attribute_warn_unused_result__
 create_cd_newstate (const re_dfa_t *dfa, const re_node_set *nodes,
 		    unsigned int context, unsigned int hash)
 {