Annotation of embedaddon/lrzsz/intl/explodename.c, revision 1.1
1.1 ! misho 1: /* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
! 2: Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
! 3:
! 4: This program is free software; you can redistribute it and/or modify
! 5: it under the terms of the GNU General Public License as published by
! 6: the Free Software Foundation; either version 2, or (at your option)
! 7: any later version.
! 8:
! 9: This program is distributed in the hope that it will be useful,
! 10: but WITHOUT ANY WARRANTY; without even the implied warranty of
! 11: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 12: GNU General Public License for more details.
! 13:
! 14: You should have received a copy of the GNU General Public License
! 15: along with this program; if not, write to the Free Software Foundation,
! 16: Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
! 17:
! 18: #ifdef HAVE_CONFIG_H
! 19: # include <config.h>
! 20: #endif
! 21:
! 22: #include <stdlib.h>
! 23: #include <string.h>
! 24: #include <sys/types.h>
! 25:
! 26: #include "loadinfo.h"
! 27:
! 28: /* On some strange systems still no definition of NULL is found. Sigh! */
! 29: #ifndef NULL
! 30: # if defined __STDC__ && __STDC__
! 31: # define NULL ((void *) 0)
! 32: # else
! 33: # define NULL 0
! 34: # endif
! 35: #endif
! 36:
! 37: /* @@ end of prolog @@ */
! 38:
! 39: int
! 40: _nl_explode_name (name, language, modifier, territory, codeset,
! 41: normalized_codeset, special, sponsor, revision)
! 42: char *name;
! 43: const char **language;
! 44: const char **modifier;
! 45: const char **territory;
! 46: const char **codeset;
! 47: const char **normalized_codeset;
! 48: const char **special;
! 49: const char **sponsor;
! 50: const char **revision;
! 51: {
! 52: enum { undecided, xpg, cen } syntax;
! 53: char *cp;
! 54: int mask;
! 55:
! 56: *modifier = NULL;
! 57: *territory = NULL;
! 58: *codeset = NULL;
! 59: *normalized_codeset = NULL;
! 60: *special = NULL;
! 61: *sponsor = NULL;
! 62: *revision = NULL;
! 63:
! 64: /* Now we determine the single parts of the locale name. First
! 65: look for the language. Termination symbols are `_' and `@' if
! 66: we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
! 67: mask = 0;
! 68: syntax = undecided;
! 69: *language = cp = name;
! 70: while (cp[0] != '\0' && cp[0] != '_' && cp[0] != '@'
! 71: && cp[0] != '+' && cp[0] != ',')
! 72: ++cp;
! 73:
! 74: if (*language == cp)
! 75: /* This does not make sense: language has to be specified. Use
! 76: this entry as it is without exploding. Perhaps it is an alias. */
! 77: cp = strchr (*language, '\0');
! 78: else if (cp[0] == '_')
! 79: {
! 80: /* Next is the territory. */
! 81: cp[0] = '\0';
! 82: *territory = ++cp;
! 83:
! 84: while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@'
! 85: && cp[0] != '+' && cp[0] != ',' && cp[0] != '_')
! 86: ++cp;
! 87:
! 88: mask |= TERRITORY;
! 89:
! 90: if (cp[0] == '.')
! 91: {
! 92: /* Next is the codeset. */
! 93: syntax = xpg;
! 94: cp[0] = '\0';
! 95: *codeset = ++cp;
! 96:
! 97: while (cp[0] != '\0' && cp[0] != '@')
! 98: ++cp;
! 99:
! 100: mask |= XPG_CODESET;
! 101:
! 102: if (*codeset != cp && (*codeset)[0] != '\0')
! 103: {
! 104: *normalized_codeset = _nl_normalize_codeset (*codeset,
! 105: cp - *codeset);
! 106: if (strcmp (*codeset, *normalized_codeset) == 0)
! 107: free ((char *) *normalized_codeset);
! 108: else
! 109: mask |= XPG_NORM_CODESET;
! 110: }
! 111: }
! 112: }
! 113:
! 114: if (cp[0] == '@' || (syntax != xpg && cp[0] == '+'))
! 115: {
! 116: /* Next is the modifier. */
! 117: syntax = cp[0] == '@' ? xpg : cen;
! 118: cp[0] = '\0';
! 119: *modifier = ++cp;
! 120:
! 121: while (syntax == cen && cp[0] != '\0' && cp[0] != '+'
! 122: && cp[0] != ',' && cp[0] != '_')
! 123: ++cp;
! 124:
! 125: mask |= XPG_MODIFIER | CEN_AUDIENCE;
! 126: }
! 127:
! 128: if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_'))
! 129: {
! 130: syntax = cen;
! 131:
! 132: if (cp[0] == '+')
! 133: {
! 134: /* Next is special application (CEN syntax). */
! 135: cp[0] = '\0';
! 136: *special = ++cp;
! 137:
! 138: while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_')
! 139: ++cp;
! 140:
! 141: mask |= CEN_SPECIAL;
! 142: }
! 143:
! 144: if (cp[0] == ',')
! 145: {
! 146: /* Next is sponsor (CEN syntax). */
! 147: cp[0] = '\0';
! 148: *sponsor = ++cp;
! 149:
! 150: while (cp[0] != '\0' && cp[0] != '_')
! 151: ++cp;
! 152:
! 153: mask |= CEN_SPONSOR;
! 154: }
! 155:
! 156: if (cp[0] == '_')
! 157: {
! 158: /* Next is revision (CEN syntax). */
! 159: cp[0] = '\0';
! 160: *revision = ++cp;
! 161:
! 162: mask |= CEN_REVISION;
! 163: }
! 164: }
! 165:
! 166: /* For CEN syntax values it might be important to have the
! 167: separator character in the file name, not for XPG syntax. */
! 168: if (syntax == xpg)
! 169: {
! 170: if (*territory != NULL && (*territory)[0] == '\0')
! 171: mask &= ~TERRITORY;
! 172:
! 173: if (*codeset != NULL && (*codeset)[0] == '\0')
! 174: mask &= ~XPG_CODESET;
! 175:
! 176: if (*modifier != NULL && (*modifier)[0] == '\0')
! 177: mask &= ~XPG_MODIFIER;
! 178: }
! 179:
! 180: return mask;
! 181: }
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