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5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
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18 * This product includes software developed by the University of
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36 * @(#)rune.c 8.1 (Berkeley) 6/4/93
37 * $FreeBSD: src/lib/libc/locale/rune.c,v 1.5.8.2 2002/08/12 11:17:38 ache Exp $
38 * $DragonFly: src/lib/libc/locale/rune.c,v 1.2 2003/06/17 04:26:44 dillon Exp $
41 #include <arpa/inet.h>
47 #include <sys/types.h>
61 if (_fstat(fileno(fp), &sb) < 0)
64 if (sb.st_size < sizeof(_RuneLocale)) {
69 if ((data = malloc(sb.st_size)) == NULL)
73 rewind(fp); /* Someone might have read the magic number once already */
81 if (fread(data, sb.st_size, 1, fp) != 1) {
88 rl = (_RuneLocale *)data;
89 lastp = data + sb.st_size;
91 rl->variable = rl + 1;
93 if (memcmp(rl->magic, _RUNE_MAGIC_1, sizeof(rl->magic))) {
99 rl->invalid_rune = ntohl(rl->invalid_rune);
100 rl->variable_len = ntohl(rl->variable_len);
101 rl->runetype_ext.nranges = ntohl(rl->runetype_ext.nranges);
102 rl->maplower_ext.nranges = ntohl(rl->maplower_ext.nranges);
103 rl->mapupper_ext.nranges = ntohl(rl->mapupper_ext.nranges);
105 for (x = 0; x < _CACHED_RUNES; ++x) {
106 rl->runetype[x] = ntohl(rl->runetype[x]);
107 rl->maplower[x] = ntohl(rl->maplower[x]);
108 rl->mapupper[x] = ntohl(rl->mapupper[x]);
111 rl->runetype_ext.ranges = (_RuneEntry *)rl->variable;
112 rl->variable = rl->runetype_ext.ranges + rl->runetype_ext.nranges;
113 if (rl->variable > lastp) {
119 rl->maplower_ext.ranges = (_RuneEntry *)rl->variable;
120 rl->variable = rl->maplower_ext.ranges + rl->maplower_ext.nranges;
121 if (rl->variable > lastp) {
127 rl->mapupper_ext.ranges = (_RuneEntry *)rl->variable;
128 rl->variable = rl->mapupper_ext.ranges + rl->mapupper_ext.nranges;
129 if (rl->variable > lastp) {
135 for (x = 0; x < rl->runetype_ext.nranges; ++x) {
136 rr = rl->runetype_ext.ranges;
138 rr[x].min = ntohl(rr[x].min);
139 rr[x].max = ntohl(rr[x].max);
140 if ((rr[x].map = ntohl(rr[x].map)) == 0) {
141 int len = rr[x].max - rr[x].min + 1;
142 rr[x].types = rl->variable;
143 rl->variable = rr[x].types + len;
144 if (rl->variable > lastp) {
150 rr[x].types[len] = ntohl(rr[x].types[len]);
155 for (x = 0; x < rl->maplower_ext.nranges; ++x) {
156 rr = rl->maplower_ext.ranges;
158 rr[x].min = ntohl(rr[x].min);
159 rr[x].max = ntohl(rr[x].max);
160 rr[x].map = ntohl(rr[x].map);
163 for (x = 0; x < rl->mapupper_ext.nranges; ++x) {
164 rr = rl->mapupper_ext.ranges;
166 rr[x].min = ntohl(rr[x].min);
167 rr[x].max = ntohl(rr[x].max);
168 rr[x].map = ntohl(rr[x].map);
170 if (((char *)rl->variable) + rl->variable_len > (char *)lastp) {
177 * Go out and zero pointers that should be zero.
179 if (!rl->variable_len)
182 if (!rl->runetype_ext.nranges)
183 rl->runetype_ext.ranges = 0;
185 if (!rl->maplower_ext.nranges)
186 rl->maplower_ext.ranges = 0;
188 if (!rl->mapupper_ext.nranges)
189 rl->mapupper_ext.ranges = 0;