3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
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9 * modification, are permitted provided that the following conditions
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17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
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37 #if defined(LIBC_SCCS) && !defined(lint)
38 static char sccsid[] = "@(#)euc.c 8.1 (Berkeley) 6/4/93";
39 #endif /* LIBC_SCCS and not lint */
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD: src/lib/libc/locale/euc.c,v 1.3.6.2 2002/08/12 11:17:37 ache Exp $");
43 #include <sys/types.h>
52 rune_t _EUC_sgetrune(const char *, size_t, char const **);
53 int _EUC_sputrune(rune_t, char *, size_t, char **);
66 int x, new__mb_cur_max;
69 rl->sgetrune = _EUC_sgetrune;
70 rl->sputrune = _EUC_sputrune;
72 if (rl->variable == NULL)
75 v = (char *)rl->variable;
77 while (*v == ' ' || *v == '\t')
80 if ((ei = malloc(sizeof(_EucInfo))) == NULL)
81 return (errno == 0 ? ENOMEM : errno);
84 for (x = 0; x < 4; ++x) {
85 ei->count[x] = (int)strtol(v, &e, 0);
86 if (v == e || !(v = e)) {
90 if (new__mb_cur_max < ei->count[x])
91 new__mb_cur_max = ei->count[x];
92 while (*v == ' ' || *v == '\t')
94 ei->bits[x] = (int)strtol(v, &e, 0);
95 if (v == e || !(v = e)) {
99 while (*v == ' ' || *v == '\t')
102 ei->mask = (int)strtol(v, &e, 0);
103 if (v == e || !(v = e)) {
108 rl->variable_len = sizeof(_EucInfo);
109 _CurrentRuneLocale = rl;
110 __mb_cur_max = new__mb_cur_max;
114 #define CEI ((_EucInfo *)(_CurrentRuneLocale->variable))
119 #define GR_BITS 0x80808080 /* XXX: to be fixed */
127 return ((c & 0x80) ? c == _SS3 ? 3 : c == _SS2 ? 2 : 1 : 0);
130 _EUC_sgetrune(string, n, result)
138 if (n < 1 || (len = CEI->count[set = _euc_set(*string)]) > n) {
141 return (_INVALID_RUNE);
152 rune = (rune << 8) | ((u_int)(*string++) & 0xff);
157 return ((rune & ~CEI->mask) | CEI->bits[set]);
161 _EUC_sputrune(c, string, n, result)
163 char *string, **result;
166 rune_t m = c & CEI->mask;
170 if (m == CEI->bits[1]) {
172 /* Codeset 1: The first byte must have 0x80 in it. */
173 i = len = CEI->count[1];
176 *result = string + len;
178 *string++ = (nm >> (i << 3)) | 0x80;
181 *result = (char *) 0;
183 if (m == CEI->bits[0]) {
184 i = len = CEI->count[0];
191 if (m == CEI->bits[2]) {
192 i = len = CEI->count[2];
200 /* SS2 designates G2 into GR */
203 if (m == CEI->bits[3]) {
204 i = len = CEI->count[3];
212 /* SS3 designates G3 into GR */
215 goto CodeSet1; /* Bletch */
217 *string++ = (nm >> (i << 3)) & 0xff;