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authorUlrich Drepper <drepper@redhat.com>2003-06-11 23:22:36 +0000
committerUlrich Drepper <drepper@redhat.com>2003-06-11 23:22:36 +0000
commit9c7ff11a5cd628ffbe31a7b2de3027ec5b030d8b (patch)
treeea5cb10211192245fd1b92b9b2f07a3d045f3548 /stdlib/grouping.c
parentdd9423a67a7650a9b0f50d8151e4f3797c5a14f8 (diff)
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Update.
2003-06-11 Ulrich Drepper <drepper@redhat.com> * time/tzfile.c: Add a couple of __builtin_expect. Remove warnings gcc 3.3 shows. * argp/argp-help.c (hol_entry_short_iterate): Don't inline. * elf/dl-load.c (fillin_rpath): Likewise. (add_path): Likewise. * elf/dl-version.c (find_needed): Always inline. * elf/do-lookup.c (FCT): Don't inline. * iconv/Makefile: Extend vpath to intl subdir. (iconvconfig-modules): Add hash-string. * iconv/gconv_charset.h (strip): Don't inline. (upstr): Always inline. Move __gconv_compare_alias prototype to... * iconv/gconv_int.h: ...here. * iconv/gconv_db.c: Don't include gconv_charset.h. * iconv/gconv_conf.c (add_alias): Don't inline. (insert_module): Likewise. * iconv/gconv_simple.c (internal_ucs4_loop): Always inline. (internal_ucs4_loop_unaligned): Likewise. (internal_ucs4_loop_single): Likewise. (ucs4_internal_loop): Likewise. (ucs4_internal_loop_unaligned): Likewise. (ucs4_internal_loop_single): Likewise. (internal_ucs4le_loop): Always inline. (internal_ucs4le_loop_unaligned): Likewise. (internal_ucs4le_loop_single): Likewise. (ucs4le_internal_loop): Likewise. (ucs4le_internal_loop_unaligned): Likewise. (ucs4le_internal_loop_single): Likewise. * iconv/loop.c: Always inline the defined functions. * iconvdata/cns11642.h: Likewise. * iconvdata/cns11642l1.h: Likewise. * iconvdata/euc-kr.c: Likewise. * iconvdata/gb2312.h: Likewise. * iconvdata/jis0201.h: Likewise. * iconvdata/jis0208.h: Likewise. * iconvdata/jis0212.h: Likewise. * iconvdata/jisx0213.h: Likewise. * iconvdata/ksc5601.h: Likewise. * iconvdata/utf-7.c (base64): Don't inline. * include/libc-symbols.h (symbol_set_first_element): Add cast (symbol_set_end_p): Likewise. * include/set-hooks (RUN_HOOK): Likewise. * inet/Makefile (aux): Add ifreq. * intl/Makefile (aux): Add some entries from routines. Add hash-string. * intl/hash-string.c: New file. * intl/hash-string.h: Remove hash_string definition. Declare __hash_string. * iconv/gconv_cache.c (find_module_idx): Adjust hash_string caller. * iconv/iconvconfig.c (new_name): Likewise. * intl/dcigettext.c (_nl_find_msg): Likewise. * intl/loadmsgcat.c (_nl_load_domain): Likewise. * io/ftw.c (open_dir_stream): Always inline. (process_entry): Don't inline. * locale/findlocale.c: Include gconv_int.h. * locale/setlocale.c (new_composite_name): Don't inline. * locale/weight.h (findidx): Always inline. * locale/weightwc.h (findidx): Likewise. * locale/programs/linereader.c (lr_ignore_rest): Define here. * locale/programs/linereader.h (lr_ignore_rest): Don't define here, just declare it. (lr_getc): Always inline. (lr_ungetc): Likewise. * nss/nss_files/files-parse.c (parse_list): Likewise. * stdio-common/Makefile (aux): Add printf-parsemb and printf-parsewc. * stdio-common/_itoa.h (_itoa_word): Always inline. (_fitoa_word, _fitoa): Don't define here, only declare. * stdio-common/_itoa.c (_iftoa_word): Add here. (_fitoa): Likewise. * stdio-common/_itowa.h (_itowa_word): Always inline. * stdio-common/printf-parse.h (read_int): Don't inline. (find_spec): Don't define. Declare __find_specmb and __find_specwc. (parse_one_spec): Don't define. Declare __parse_one_specmb and __parse_one_specwc. * stdio-common/printf-parsemb.c: New file. * stdio-common/printf-parsewc.c: New file. * stdio-common/vfprintf.c: Update calls to find_spec and parse_one_spec for new names. * stdio-common/printf-prs.c: Likewise. Define DONT_NEED_READ_INT. * stdlib/Makefile (aux): Add grouping and groupingwc. * stdlib/grouping.c: New file. * stdlib/groupingwc.c: New file. * stdlib/grouping.h (correctly_grouped_prefix): Don't define here. Just prototype. * stdlib/rpmatch.c (try): Don't inline. * stdlib/strtod.c (round_and_return): Don't line. (str_to_mpn): Likewise. (__mpn_lshift_1): Always inline. Optimize only for constant count. Adjust for name change of correctly_grouped_prefix. * sysdeps/generic/strtol.c: Adjust for name change of correctly_grouped_prefix. * string/strxfrm.c (utf8_encode): Don't inline. * sysdeps/generic/dl-cache.c: Define _dl_cache_libcmp. * sysdeps/generic/dl-cache.h: Just declare _dl_cache_libcmp. * sysdeps/generic/ifreq.c: New file. * sysdeps/unix/sysv/linux/ifreq.c: New file. * sysdeps/generic/ifreq.h (__ifreq): Only declare here. * sysdeps/unix/sysv/linux/ifreq.h: Likewise. * sysdeps/generic/ldsodefs.h (_dl_name_match_p): Always inline. * sysdeps/generic/unwind-dw2-fde.c (start_fde_sort): Don't inline. (fde_split): Likewise. (fde_merge): Likewise. (end_fde_sort): Likewise. (init_object): Likewise. (binary_search_unencoded_fdes): Likewise. (binary_search_single_encoding_fdes): Likewise. (binary_search_mixed_encoding_fdes): Likewise. * sysdeps/generic/wordexp.c (w_addchar): Don't inline. * sysdeps/i386/dl-machine.c (elf_machine_runtime_setup): Always inline. * sysdeps/posix/sprofil.c (profil_count): Don't inline. * sysdeps/unix/sysv/linux/Makefile [subdir=io] (sysdep_routines): Add xstatconv. * sysdeps/unix/sysv/linux/xstatconv.h: New file. * sysdeps/unix/sysv/linux/xstatconv.c: Don't inline the function. Export them. Prepend __ to name. * sysdeps/unix/sysv/linux/Dist: Add xstatconv.h. * sysdeps/unix/sysv/linux/fxstat.c: Adjust for name change of conversion functions. * sysdeps/unix/sysv/linux/fxstat64.c: Likewise. * sysdeps/unix/sysv/linux/lxstat.c: Likewise. * sysdeps/unix/sysv/linux/lxstat64.c: Likewise. * sysdeps/unix/sysv/linux/xstat.c: Likewise. * sysdeps/unix/sysv/linux/xstat64.c: Likewise. * sysdeps/unix/sysv/linux/i386/fxstat.c: Likewise. * sysdeps/unix/sysv/linux/i386/lxstat.c: Likewise. * sysdeps/unix/sysv/linux/i386/xstat.c: Likewise. * sysdeps/unix/sysv/linux/pathconf.c (__statfs_link_max, __statfs_filesize_max, __statfs_symlinks): Define here. __ prepended to name. Change callers. * sysdeps/unix/sysv/linux/pathconf.h (__statfs_link_max, __statfs_filesize_max, __statfs_symlinks): Don't define here, just declare. * sysdeps/unix/sysv/linux/fpathconf.c: Change all callers. * time/tzfile.c (decode): Always inline. * wcsmbs/wcsnrtombs.c: Change type of inbuf to unsigned char*. Remove cast in tomb function call. * wcsmbs/wcsrtombs.c Likewise. * wcsmbs/wcstob.c: Introduce new temp variable to take pointer in tomb function call.
Diffstat (limited to 'stdlib/grouping.c')
-rw-r--r--stdlib/grouping.c202
1 files changed, 202 insertions, 0 deletions
diff --git a/stdlib/grouping.c b/stdlib/grouping.c
new file mode 100644
index 0000000..4e01dc3
--- /dev/null
+++ b/stdlib/grouping.c
@@ -0,0 +1,202 @@
+/* Internal header for proving correct grouping in strings of numbers.
+ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <limits.h>
+#include <stddef.h>
+#include <string.h>
+
+#ifndef MAX
+#define MAX(a,b) ({ typeof(a) _a = (a); typeof(b) _b = (b); \
+ _a > _b ? _a : _b; })
+#endif
+
+#ifdef USE_WIDE_CHAR
+# include <wctype.h>
+# define L_(Ch) L##Ch
+# define UCHAR_TYPE wint_t
+# define STRING_TYPE wchar_t
+#else
+# define L_(Ch) Ch
+# define UCHAR_TYPE unsigned char
+# define STRING_TYPE char
+#endif
+
+#include "grouping.h"
+
+/* Find the maximum prefix of the string between BEGIN and END which
+ satisfies the grouping rules. It is assumed that at least one digit
+ follows BEGIN directly. */
+
+const STRING_TYPE *
+#ifdef USE_WIDE_CHAR
+__correctly_grouped_prefixwc (const STRING_TYPE *begin, const STRING_TYPE *end,
+ wchar_t thousands,
+#else
+__correctly_grouped_prefixmb (const STRING_TYPE *begin, const STRING_TYPE *end,
+ const char *thousands,
+#endif
+ const char *grouping)
+{
+#ifndef USE_WIDE_CHAR
+ size_t thousands_len;
+ int cnt;
+#endif
+
+ if (grouping == NULL)
+ return end;
+
+#ifndef USE_WIDE_CHAR
+ thousands_len = strlen (thousands);
+#endif
+
+ while (end > begin)
+ {
+ const STRING_TYPE *cp = end - 1;
+ const char *gp = grouping;
+
+ /* Check first group. */
+ while (cp >= begin)
+ {
+#ifdef USE_WIDE_CHAR
+ if (*cp == thousands)
+ break;
+#else
+ if (cp[thousands_len - 1] == *thousands)
+ {
+ for (cnt = 1; thousands[cnt] != '\0'; ++cnt)
+ if (thousands[cnt] != cp[thousands_len - 1 - cnt])
+ break;
+ if (thousands[cnt] == '\0')
+ break;
+ }
+#endif
+ --cp;
+ }
+
+ /* We allow the representation to contain no grouping at all even if
+ the locale specifies we can have grouping. */
+ if (cp < begin)
+ return end;
+
+ if (end - cp == (int) *gp + 1)
+ {
+ /* This group matches the specification. */
+
+ const STRING_TYPE *new_end;
+
+ if (cp < begin)
+ /* There is just one complete group. We are done. */
+ return end;
+
+ /* CP points to a thousands separator character. The preceding
+ remainder of the string from BEGIN to NEW_END is the part we
+ will consider if there is a grouping error in this trailing
+ portion from CP to END. */
+ new_end = cp - 1;
+
+ /* Loop while the grouping is correct. */
+ while (1)
+ {
+ /* Get the next grouping rule. */
+ ++gp;
+ if (*gp == 0)
+ /* If end is reached use last rule. */
+ --gp;
+
+ /* Skip the thousands separator. */
+ --cp;
+
+ if (*gp == CHAR_MAX
+#if CHAR_MIN < 0
+ || *gp < 0
+#endif
+ )
+ {
+ /* No more thousands separators are allowed to follow. */
+ while (cp >= begin)
+ {
+#ifdef USE_WIDE_CHAR
+ if (*cp == thousands)
+ break;
+#else
+ for (cnt = 0; thousands[cnt] != '\0'; ++cnt)
+ if (thousands[cnt] != cp[thousands_len - cnt - 1])
+ break;
+ if (thousands[cnt] == '\0')
+ break;
+#endif
+ --cp;
+ }
+
+ if (cp < begin)
+ /* OK, only digits followed. */
+ return end;
+ }
+ else
+ {
+ /* Check the next group. */
+ const STRING_TYPE *group_end = cp;
+
+ while (cp >= begin)
+ {
+#ifdef USE_WIDE_CHAR
+ if (*cp == thousands)
+ break;
+#else
+ for (cnt = 0; thousands[cnt] != '\0'; ++cnt)
+ if (thousands[cnt] != cp[thousands_len - cnt - 1])
+ break;
+ if (thousands[cnt] == '\0')
+ break;
+#endif
+ --cp;
+ }
+
+ if (cp < begin && group_end - cp <= (int) *gp)
+ /* Final group is correct. */
+ return end;
+
+ if (cp < begin || group_end - cp != (int) *gp)
+ /* Incorrect group. Punt. */
+ break;
+ }
+ }
+
+ /* The trailing portion of the string starting at NEW_END
+ contains a grouping error. So we will look for a correctly
+ grouped number in the preceding portion instead. */
+ end = new_end;
+ }
+ else
+ {
+ /* Even the first group was wrong; determine maximum shift. */
+ if (end - cp > (int) *gp + 1)
+ end = cp + (int) *gp + 1;
+ else if (cp < begin)
+ /* This number does not fill the first group, but is correct. */
+ return end;
+ else
+ /* CP points to a thousands separator character. */
+ end = cp;
+ }
+ }
+
+ return MAX (begin, end);
+}