diff options
Diffstat (limited to 'posix/regcomp.c')
| -rw-r--r-- | posix/regcomp.c | 96 |
1 files changed, 53 insertions, 43 deletions
diff --git a/posix/regcomp.c b/posix/regcomp.c index 84fed2e87b..258e255b34 100644 --- a/posix/regcomp.c +++ b/posix/regcomp.c @@ -25,8 +25,13 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <wchar.h> -#include <wctype.h> + +#if defined HAVE_WCHAR_H || defined _LIBC +# include <wchar.h> +#endif /* HAVE_WCHAR_H || _LIBC */ +#if defined HAVE_WCTYPE_H || defined _LIBC +# include <wctype.h> +#endif /* HAVE_WCTYPE_H || _LIBC */ /* In case that the system doesn't have isblank(). */ #if !defined _LIBC && !defined HAVE_ISBLANK && !defined isblank @@ -130,30 +135,30 @@ static reg_errcode_t build_range_exp (re_bitset_ptr_t sbcset, static reg_errcode_t build_collating_symbol (re_bitset_ptr_t sbcset, re_charset_t *mbcset, int *coll_sym_alloc, - char *name); + const unsigned char *name); # else /* not RE_ENABLE_I18N */ static reg_errcode_t build_range_exp (re_bitset_ptr_t sbcset, bracket_elem_t *start_elem, bracket_elem_t *end_elem); static reg_errcode_t build_collating_symbol (re_bitset_ptr_t sbcset, - char *name); + const unsigned char *name); # endif /* not RE_ENABLE_I18N */ #endif /* not _LIBC */ #ifdef RE_ENABLE_I18N static reg_errcode_t build_equiv_class (re_bitset_ptr_t sbcset, re_charset_t *mbcset, int *equiv_class_alloc, - const char *name); + const unsigned char *name); static reg_errcode_t build_charclass (re_bitset_ptr_t sbcset, re_charset_t *mbcset, int *char_class_alloc, - const char *class_name, + const unsigned char *class_name, reg_syntax_t syntax); #else /* not RE_ENABLE_I18N */ static reg_errcode_t build_equiv_class (re_bitset_ptr_t sbcset, - const char *name); + const unsigned char *name); static reg_errcode_t build_charclass (re_bitset_ptr_t sbcset, - const char *class_name, + const unsigned char *class_name, reg_syntax_t syntax); #endif /* not RE_ENABLE_I18N */ static bin_tree_t *build_word_op (re_dfa_t *dfa, int not, reg_errcode_t *err); @@ -2290,9 +2295,10 @@ build_range_exp (sbcset, start_elem, end_elem) /* We can handle no multi character collating elements without libc support. */ - if (BE ((start_elem->type == COLL_SYM && strlen (start_elem->opr.name) > 1) - || (end_elem->type == COLL_SYM && strlen (end_elem->opr.name) > 1), - 0)) + if (BE ((start_elem->type == COLL_SYM + && strlen ((char *) start_elem->opr.name) > 1) + || (end_elem->type == COLL_SYM + && strlen ((char *) end_elem->opr.name) > 1), 0)) return REG_ECOLLATE; # ifdef RE_ENABLE_I18N @@ -2388,13 +2394,14 @@ build_collating_symbol (sbcset, mbcset, coll_sym_alloc, name) build_collating_symbol (sbcset, name) # endif /* not RE_ENABLE_I18N */ re_bitset_ptr_t sbcset; - char *name; + const unsigned char *name; { - if (BE (strlen (name) != 1, 0)) + size_t name_len = strlen ((const char *) name); + if (BE (name_len != 1, 0)) return REG_ECOLLATE; else { - bitset_set (sbcset, *(unsigned char *) name); + bitset_set (sbcset, name[0]); return REG_NOERROR; } } @@ -2412,7 +2419,8 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) reg_errcode_t *err; { #ifdef _LIBC - const char *collseqmb, *collseqwc; + const unsigned char *collseqmb; + const char *collseqwc; uint32_t nrules; int32_t table_size; const int32_t *symb_table; @@ -2424,10 +2432,10 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) static inline int32_t seek_collating_symbol_entry (name, name_len) - char *name; + const unsigned char *name; size_t name_len; { - int32_t hash = elem_hash (name, name_len); + int32_t hash = elem_hash ((const char *) name, name_len); int32_t elem = hash % table_size; int32_t second = hash % (table_size - 2); while (symb_table[2 * elem] != 0) @@ -2477,11 +2485,12 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) } else if (br_elem->type == COLL_SYM) { + size_t sym_name_len = strlen ((char *) br_elem->opr.name); if (nrules != 0) { int32_t elem, idx; elem = seek_collating_symbol_entry (br_elem->opr.name, - strlen (br_elem->opr.name)); + sym_name_len); if (symb_table[2 * elem] != 0) { /* We found the entry. */ @@ -2500,16 +2509,15 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) /* Return the collation sequence value. */ return *(unsigned int *) (extra + idx); } - else if (symb_table[2 * elem] == 0 && - strlen (br_elem->opr.name) == 1) + else if (symb_table[2 * elem] == 0 && sym_name_len == 1) { /* No valid character. Match it as a single byte character. */ - return collseqmb[*(unsigned char *) br_elem->opr.name]; + return collseqmb[br_elem->opr.name[0]]; } } - else if (strlen (br_elem->opr.name) == 1) - return collseqmb[*(unsigned char *) br_elem->opr.name]; + else if (sym_name_len == 1) + return collseqmb[br_elem->opr.name[0]]; } return UINT_MAX; } @@ -2616,12 +2624,13 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) build_collating_symbol (sbcset, name) # endif /* not RE_ENABLE_I18N */ re_bitset_ptr_t sbcset; - char *name; + const unsigned char *name; { int32_t elem, idx; + size_t name_len = strlen ((const char *) name); if (nrules != 0) { - elem = seek_collating_symbol_entry (name, strlen (name)); + elem = seek_collating_symbol_entry (name, name_len); if (symb_table[2 * elem] != 0) { /* We found the entry. */ @@ -2629,11 +2638,11 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) /* Skip the name of collating element name. */ idx += 1 + extra[idx]; } - else if (symb_table[2 * elem] == 0 && strlen (name) == 1) + else if (symb_table[2 * elem] == 0 && name_len == 1) { /* No valid character, treat it as a normal character. */ - bitset_set (sbcset, *(unsigned char *) name); + bitset_set (sbcset, name[0]); return REG_NOERROR; } else @@ -2660,11 +2669,11 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) } else { - if (BE (strlen (name) != 1, 0)) + if (BE (name_len != 1, 0)) return REG_ECOLLATE; else { - bitset_set (sbcset, *(unsigned char *) name); + bitset_set (sbcset, name[0]); return REG_NOERROR; } } @@ -2683,7 +2692,8 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) bin_tree_t *work_tree; int token_len, new_idx; #ifdef _LIBC - collseqmb = _NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQMB); + collseqmb = (const unsigned char *) + _NL_CURRENT (LC_COLLATE, _NL_COLLATE_COLLSEQMB); nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES); if (nrules) { @@ -2750,8 +2760,8 @@ parse_bracket_exp (regexp, dfa, token, syntax, err) while (1) { bracket_elem_t start_elem, end_elem; - char start_name_buf[BRACKET_NAME_BUF_SIZE]; - char end_name_buf[BRACKET_NAME_BUF_SIZE]; + unsigned char start_name_buf[BRACKET_NAME_BUF_SIZE]; + unsigned char end_name_buf[BRACKET_NAME_BUF_SIZE]; reg_errcode_t ret; int token_len2 = 0, is_range_exp = 0; re_token_t token2; @@ -3023,7 +3033,7 @@ build_equiv_class (sbcset, mbcset, equiv_class_alloc, name) build_equiv_class (sbcset, name) #endif /* not RE_ENABLE_I18N */ re_bitset_ptr_t sbcset; - const char *name; + const unsigned char *name; { #if defined _LIBC && defined RE_ENABLE_I18N uint32_t nrules = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES); @@ -3031,14 +3041,14 @@ build_equiv_class (sbcset, name) { const int32_t *table, *indirect; const unsigned char *weights, *extra, *cp; - char char_buf[2]; + unsigned char char_buf[2]; int32_t idx1, idx2; unsigned int ch; size_t len; /* This #include defines a local function! */ # include <locale/weight.h> /* Calculate the index for equivalence class. */ - cp = (const unsigned char *) name; + cp = name; table = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB); weights = (const unsigned char *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTMB); @@ -3047,17 +3057,17 @@ build_equiv_class (sbcset, name) indirect = (const int32_t *) _NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTMB); idx1 = findidx (&cp); - if (BE (idx1 == 0 || (const char *) cp < name + strlen (name), 0)) + if (BE (idx1 == 0 || cp < name + strlen ((const char *) name), 0)) /* This isn't a valid character. */ return REG_ECOLLATE; /* Build single byte matcing table for this equivalence class. */ - char_buf[1] = '\0'; + char_buf[1] = (unsigned char) '\0'; len = weights[idx1]; for (ch = 0; ch < SBC_MAX; ++ch) { char_buf[0] = ch; - cp = (unsigned char *) char_buf; + cp = char_buf; idx2 = findidx (&cp); /* idx2 = table[ch]; @@ -3093,9 +3103,9 @@ build_equiv_class (sbcset, name) else #endif /* _LIBC && RE_ENABLE_I18N */ { - if (BE (strlen (name) != 1, 0)) + if (BE (strlen ((const char *) name) != 1, 0)) return REG_ECOLLATE; - bitset_set (sbcset, *(unsigned char *) name); + bitset_set (sbcset, *name); } return REG_NOERROR; } @@ -3115,11 +3125,11 @@ build_charclass (sbcset, mbcset, char_class_alloc, class_name, syntax) build_charclass (sbcset, class_name, syntax) #endif /* not RE_ENABLE_I18N */ re_bitset_ptr_t sbcset; - const char *class_name; + const unsigned char *class_name; reg_syntax_t syntax; { int i; - const char *name = class_name; + const char *name = (const char *) class_name; /* In case of REG_ICASE "upper" and "lower" match the both of upper and lower cases. */ @@ -3236,7 +3246,7 @@ build_word_op (dfa, not, err) #ifdef RE_ENABLE_I18N mbcset, &alloc, #endif /* RE_ENABLE_I18N */ - "alpha", 0); + (const unsigned char *) "alpha", 0); if (BE (ret != REG_NOERROR, 0)) { |