diff options
Diffstat (limited to 'newlib/libc/iconv/lib/aliasesi.c')
| -rw-r--r-- | newlib/libc/iconv/lib/aliasesi.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/newlib/libc/iconv/lib/aliasesi.c b/newlib/libc/iconv/lib/aliasesi.c deleted file mode 100644 index f94ac8fb9..000000000 --- a/newlib/libc/iconv/lib/aliasesi.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * 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; -} - |