diff options
author | Jeff Johnston <jjohnstn@redhat.com> | 2004-06-25 20:33:28 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2004-06-25 20:33:28 +0000 |
commit | 660dade387b1e24665ea8826417b096df2f25e83 (patch) | |
tree | 611b5d25b92b226523a09d99f6dd4514acab5422 /newlib/libc/iconv/lib/aliasesi.c | |
parent | 6778dc3f1a5e444c281bf39a3f199abde00478bd (diff) | |
download | cygnal-660dade387b1e24665ea8826417b096df2f25e83.tar.gz cygnal-660dade387b1e24665ea8826417b096df2f25e83.tar.bz2 cygnal-660dade387b1e24665ea8826417b096df2f25e83.zip |
2004-06-25 Artem B. Bityuckiy <dedekind@oktetlabs.ru>
* acinclude.m4: Move iconv options into configure.in.
* aclocal.m4: Regenerated.
* configure: Ditto.
* configure.in: Add iconv options.
* newlib.hin: Add new iconv encodings and remove deleted ones.
* doc/aclocal.m4: Regenerated.
* doc/configure: Ditto.
* iconvdata/aclocal.m4: Ditto.
* iconvdata/configure: Ditto.
* libc/iconv: Design change. New size-optimized ccs format.
* libc/iconv/AUTHORS: Removed.
* libc/iconv/COPYING: Ditto.
* libc/iconv/README.ORIGINAL: Ditto.
* libc/iconv/README.TODO: Ditto.
* libc/iconv/charset.aliases: Ditto.
* libc/iconv/encoding.aliases: New file.
* libc/iconv/Makefile.am: Updated.
* libc/iconv/Makefile.in: Regenerated.
* libc/iconv/iconv.tex: Updated.
* libc/iconv/ccs/Makefile.am: Ditto.
* libc/iconv/ccs/Makefile.in: Regenerated.
* libc/iconv/ccs/big5.c: Updated.
* libc/iconv/ccs/cns11643_plane1.c: Ditto.
* libc/iconv/ccs/cns11643_plane14.c: Ditto.
* libc/iconv/ccs/cns11643_plane2.c: Ditto.
* libc/iconv/ccs/cp775.c: Ditto.
* libc/iconv/ccs/cp850.c: Ditto.
* libc/iconv/ccs/cp852.c: Ditto.
* libc/iconv/ccs/cp855.c: Ditto.
* libc/iconv/ccs/cp866.c: Ditto.
* libc/iconv/ccs/iso_8859_1.c: Ditto.
* libc/iconv/ccs/README.CCS.SOURCES: Removed.
* libc/iconv/ccs/gb_2312_80.c: Ditto.
* libc/iconv/ccs/iconv_mktbl: Ditto.
* libc/iconv/ccs/jis_x0201.c: Ditto.
* libc/iconv/ccs/jis_x0208_1983.c: Ditto.
* libc/iconv/ccs/shift_jis.c: Ditto.
* libc/iconv/ccs/us_ascii.c: Ditto.
* libc/iconv/ccs/ccs.h: New file.
* libc/iconv/ccs/ccsbi.c: Ditto.
* libc/iconv/ccs/ccsbi.h: Ditto.
* libc/iconv/ccs/ccsnames.h: Ditto.
* libc/iconv/ccs/iso_8859_10.c: Ditto.
* libc/iconv/ccs/iso_8859_11.c: Ditto.
* libc/iconv/ccs/iso_8859_13.c: Ditto.
* libc/iconv/ccs/iso_8859_14.c: Ditto.
* libc/iconv/ccs/iso_8859_3.c: Ditto.
* libc/iconv/ccs/iso_8859_6.c: Ditto.
* libc/iconv/ccs/iso_8859_7.c: Ditto.
* libc/iconv/ccs/iso_8859_8.c: Ditto.
* libc/iconv/ccs/iso_8859_9.c: Ditto.
* libc/iconv/ccs/iso_ir_111.c: Ditto.
* libc/iconv/ccs/jis_x0201_1976.c: Ditto.
* libc/iconv/ccs/jis_x0208_1990.c: Ditto.
* libc/iconv/ccs/koi8_ru.c: Ditto.
* libc/iconv/ccs/koi8_uni.c: Ditto.
* libc/iconv/ccs/mktbl.pl: Ditto.
* libc/iconv/ccs/win_1250.c: Ditto.
* libc/iconv/ccs/win_1251.c: Ditto.
* libc/iconv/ccs/win_1252.c: Ditto.
* libc/iconv/ccs/win_1253.c: Ditto.
* libc/iconv/ccs/win_1254.c: Ditto.
* libc/iconv/ccs/win_1255.c: Ditto.
* libc/iconv/ccs/win_1256.c: Ditto.
* libc/iconv/ccs/win_1257.c: Ditto.
* libc/iconv/ccs/win_1258.c: Ditto.
* libc/iconv/ccs/iso_8859_15.c
* libc/iconv/ccs/iso_8859_2.c
* libc/iconv/ccs/iso_8859_4.c
* libc/iconv/ccs/iso_8859_5.c
* libc/iconv/ccs/jis_x0212_1990.c
* libc/iconv/ccs/koi8_r.c
* libc/iconv/ccs/koi8_u.c
* libc/iconv/ccs/ksx1001.c
* libc/iconv/ccs/binary/gb_2312_80.cct: Removed.
* libc/iconv/ccs/binary/jis_x0201.cct: Ditto.
* libc/iconv/ccs/binary/shift_jis.cct: Ditto.
* libc/iconv/ccs/binary/us_ascii.cct: Ditto.
* libc/iconv/ccs/binary/jis_x0208_1983.cct: Ditto.
* libc/iconv/ccs/binary/Makefile.am: Updated.
* libc/iconv/ccs/binary/Makefile.in: Regenerated.
* libc/iconv/ccs/binary/big5.cct: Updated.
* libc/iconv/ccs/binary/cns11643_plane1.cct: Ditto.
* libc/iconv/ccs/binary/cns11643_plane14.cct: Ditto.
* libc/iconv/ccs/binary/cns11643_plane2.cct: Ditto.
* libc/iconv/ccs/binary/cp775.cct: Updated.: Ditto.
* libc/iconv/ccs/binary/cp850.cct: Ditto.: Ditto.
* libc/iconv/ccs/binary/cp852.cct: Ditto.: Ditto.
* libc/iconv/ccs/binary/cp855.cct: Ditto.: Ditto.
* libc/iconv/ccs/binary/cp866.cct: Ditto.: Ditto.
* libc/iconv/ccs/binary/iso_8859_1.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_15.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_4.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_5.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_2.cct: Ditto.
* libc/iconv/ccs/binary/jis_x0212_1990.cct: Ditto.
* libc/iconv/ccs/binary/koi8_r.cct: Ditto.
* libc/iconv/ccs/binary/koi8_u.cct: Ditto.
* libc/iconv/ccs/binary/ksx1001.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_10.cct: New file.
* libc/iconv/ccs/binary/iso_8859_11.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_13.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_14.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_3.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_6.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_7.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_8.cct: Ditto.
* libc/iconv/ccs/binary/iso_8859_9.cct: Ditto.
* libc/iconv/ccs/binary/iso_ir_111.cct: Ditto.
* libc/iconv/ccs/binary/jis_x0201_1976.cct: Ditto.
* libc/iconv/ccs/binary/jis_x0208_1990.cct: Ditto.
* libc/iconv/ccs/binary/koi8_ru.cct: Ditto.
* libc/iconv/ccs/binary/koi8_uni.cct: Ditto.
* libc/iconv/ccs/binary/win_1250.cct: Ditto.
* libc/iconv/ccs/binary/win_1251.cct: Ditto.
* libc/iconv/ccs/binary/win_1252.cct: Ditto.
* libc/iconv/ccs/binary/win_1253.cct: Ditto.
* libc/iconv/ccs/binary/win_1254.cct: Ditto.
* libc/iconv/ccs/binary/win_1255.cct: Ditto.
* libc/iconv/ccs/binary/win_1256.cct: Ditto.
* libc/iconv/ccs/binary/win_1257.cct: Ditto.
* libc/iconv/ccs/binary/win_1258.cct: Ditto.
* libc/iconv/ces/Makefile.am: Updated.
* libc/iconv/ces/Makefile.in: Regenerated.
* libc/iconv/ces/ucs-2-internal.c: Updated.
* libc/iconv/ces/ucs-4-internal.c: Ditto.
* libc/iconv/ces/utf-16.c: Ditto.
* libc/iconv/ces/utf-8.c: Ditto.
* libc/iconv/ces/cesbi.c: New file.
* libc/iconv/ces/cesbi.h: Ditto.
* libc/iconv/ces/cesdeps.h: Ditto.
* libc/iconv/ces/euc.c: Ditto.
* libc/iconv/ces/mkdeps.pl: Ditto.
* libc/iconv/ces/table-pcs.c: Ditto.
* libc/iconv/ces/table.c: Ditto.
* libc/iconv/ces/ucs-2.c: Ditto.
* libc/iconv/ces/ucs-4.c: Ditto.
* libc/iconv/ces/us-ascii.c: Ditto.
* libc/iconv/ces/euc-jp.c: Removed.
* libc/iconv/ces/euc-kr.c: Ditto.
* libc/iconv/ces/euc-tw.c: Ditto.
* libc/iconv/ces/gb2312.c: Ditto.
* libc/iconv/ces/iso-10646-ucs-2.: Ditto.c
* libc/iconv/ces/iso-10646-ucs-4.c: Ditto.
* libc/iconv/lib/Makefile.am: Updated.
* libc/iconv/lib/Makefile.in: Regenerated.
* libc/iconv/lib/endian.h: Updated.
* libc/iconv/lib/iconv.c: Ditto.
* libc/iconv/lib/local.h: Ditto.
* libc/iconv/lib/aliases.c: Removed.
* libc/iconv/lib/bialiasesi.c: Ditto.
* libc/iconv/lib/biccs.c: Ditto.
* libc/iconv/lib/bices.c: Ditto.
* libc/iconv/lib/ccs.c: Ditto.
* libc/iconv/lib/ces.c: Ditto.
* libc/iconv/lib/ces_euc.c: Ditto.
* libc/iconv/lib/ces_iso2022.c: Ditto.
* libc/iconv/lib/ces_table.c: Ditto.
* libc/iconv/lib/converter.c: Ditto.
* libc/iconv/lib/deps.h: Ditto.
* libc/iconv/lib/aliasesbi.c: Ditto.
* libc/iconv/lib/aliasesi.c: Ditto.
* libc/iconv/lib/conv.h: Ditto.
* libc/iconv/lib/encnames.h: Ditto.
* libc/iconv/lib/encoding.deps: Ditto.
* libc/iconv/lib/iconvnls.c: Ditto.
* libc/iconv/lib/iconvnls.h: Ditto.
* libc/iconv/lib/loaddata.c: Ditto.
* libc/iconv/lib/nullconv.c: Ditto.
* libc/iconv/lib/ucsconv.c: Ditto.
* libc/iconv/lib/ucsconv.h: Ditto.
* libc/include/iconv.h: Update copyright.
* libc/*/aclocal.m4: Regenerated.
* libc/*/configure: Ditto.
* libm/*/aclocal.m4: Ditto.
* libm/*/configure: Ditto.
Diffstat (limited to 'newlib/libc/iconv/lib/aliasesi.c')
-rw-r--r-- | newlib/libc/iconv/lib/aliasesi.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/newlib/libc/iconv/lib/aliasesi.c b/newlib/libc/iconv/lib/aliasesi.c new file mode 100644 index 000000000..f94ac8fb9 --- /dev/null +++ b/newlib/libc/iconv/lib/aliasesi.c @@ -0,0 +1,212 @@ +/* + * Copyright (c) 2003-2004, Artem B. Bityuckiy + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +#include <_ansi.h> +#include <reent.h> +#include <newlib.h> +#include <sys/types.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <ctype.h> +#include <sys/iconvnls.h> +#include "local.h" + +/* + * strnstr - locate a substring in a fixed-size string. + * + * PARAMETERS: + * _CONST char *haystack - the string in which to search. + * _CONST char *needle - the string which to search. + * int length - the maximum 'haystack' string length. + * + * DESCRIPTION: + * The strstr() function finds the first occurrence of the substring + * 'needle' in the string 'haystack'. At most 'length' bytes are searched. + * + * RETURN: + * Returns a pointer to the beginning of substring, or NULL if substring + * was not found. + */ +static char * +_DEFUN(strnstr, (haystack, needle, length), + _CONST char *haystack _AND + _CONST char *needle _AND + int length) +{ + _CONST char *max = haystack + length; + + if (*haystack == '\0') + return *needle == '\0' ? (char *)haystack : (char *)NULL; + + while (haystack < max) + { + int i = 0; + while (1) + { + if (needle[i] == '\0') + return (char *)haystack; + if (needle[i] != haystack[i]) + break; + i += 1; + } + haystack += 1; + } + return (char *)NULL; +} + +/* + * canonical_form - canonize 'str'. + * + * PARAMETERS: + * struct _reent *rptr - reent structure of current thread/process. + * _CONST char *str - string to canonize. + * + * DESCRIPTION: + * Converts all letters to small and substitute all '-' characters by '_' + * characters. + * + * RETURN: + * Returns canonical form of 'str' if success, NULL if failure. + */ +static _CONST char * +_DEFUN(canonical_form, (rptr, str), + struct _reent *rptr _AND + _CONST char *str) +{ + char *p, *p1; + + if (str == NULL || (p = p1 = _strdup_r (rptr, str)) == NULL) + return (_CONST char *)NULL; + + for (; *str; str++, p++) + { + if (*str == '-') + *p = '_'; + else + *p = tolower (*str); + } + + return (_CONST char *)p1; +} + +/* + * find_alias - find encoding name name by it's alias. + * + * PARAMETERS: + * struct _reent *rptr - reent structure of current thread/process. + * _CONST char *alias - alias by which "official" name should be found. + * _CONST char *table - aliases table. + * int len - aliases table length. + * + * DESCRIPTION: + * 'table' contains the list of encoding names and aliases. + * Names go first, e.g.: + * + * name1 alias11 alias12 alias1N + * name2 alias21 alias22 alias2N + * nameM aliasM1 aliasM2 aliasMN + * + * If line begins with backspace it is considered as the continuation of + * previous line. + * + * RETURN: + * Returns pointer to name found if success. In case of error returns NULL + * and sets current thread's/process's errno. + */ +static char * +_DEFUN(find_alias, (rptr, alias, table, len), + struct _reent *rptr _AND + _CONST char *alias _AND + _CONST char *table _AND + int len) +{ + _CONST char *end; + _CONST char *p; + int l = strlen (alias); + _CONST char *ptable = table; + _CONST char *table_end = table + len; + + if (table == NULL || alias == NULL || *table == '\0' || *alias == '\0') + return NULL; + +search_again: + if (len < l || (p = strnstr (ptable, alias, len)) == NULL) + return NULL; + + /* Check that substring is segregated by '\n', '\t' or ' ' */ + if (!((p == table || isspace (*(p-1)) || *(p-1) == '\n') + && (p+l == table_end || isspace (*(p+l)) || *(p+l) == '\n'))) + { + ptable = p + l; + len -= table - p; + goto search_again; + } + + while(--p > table && *p != '\n'); + + if (*(++p) == '#') + return NULL; + + for (end = p + 1; !isspace (*end) && *end != '\n' && *end != '\0'; end++); + + return _strndup_r (rptr, p, (size_t)(end - p)); +} + +/* + * _iconv_resolve_encoding_name - resolves encoding's name by given alias. + * + * PARAMETERS: + * struct _reent *rptr - reent structure of current thread/process. + * _CONST char *ca - encoding alias to resolve. + * + * DESCRIPTION: + * First, tries to find 'ca' among built-in aliases. If not found, tries to + * find it external file. + * + * RETURN: + * Encoding name if found. In case of error returns NULL + * and sets current thread's/process's errno. + */ +char * +_DEFUN(_iconv_resolve_encoding_name, (rptr, cname, path), + struct _reent *rptr _AND + _CONST char *ca) +{ + char *p = (char *)ca; + + /* Alias shouldn't contain white spaces, '\n' and '\r' symbols */ + while (*p) + if (*p == ' ' || *p == '\r' || *p++ == '\n') + return NULL; + + if ((ca = canonical_form (rptr, ca)) == NULL) + return NULL; + + p = find_alias (rptr, ca, _iconv_aliases, strlen (_iconv_aliases)); + + _free_r (rptr, (_VOID_PTR)ca); + return p; +} + |