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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /mkfontscale/hash.c
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'mkfontscale/hash.c')
-rw-r--r--mkfontscale/hash.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/mkfontscale/hash.c b/mkfontscale/hash.c
new file mode 100644
index 000000000..313d5b6c1
--- /dev/null
+++ b/mkfontscale/hash.c
@@ -0,0 +1,208 @@
+/*
+ Copyright (c) 2003 by Juliusz Chroboczek
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include "hash.h"
+#include "list.h"
+
+#define LOG2_NUMBUCKETS 10
+#define NUMBUCKETS (1 << LOG2_NUMBUCKETS)
+
+static unsigned
+hash(char *string)
+{
+ int i;
+ unsigned u = 0;
+ for(i = 0; string[i] != '\0'; i++)
+ u = (u<<5) + (u >> (LOG2_NUMBUCKETS - 5)) + (unsigned char)string[i];
+ return (u & (NUMBUCKETS - 1));
+}
+
+static void
+strcpy_lwr(char *dst, char *src)
+{
+ while(1) {
+ *dst = tolower(*src);
+ if(*src == '\0')
+ break;
+ src++;
+ dst++;
+ }
+}
+
+HashTablePtr
+makeHashTable(void)
+{
+ return calloc(NUMBUCKETS, sizeof(HashBucketPtr));
+}
+
+void
+destroyHashTable(HashTablePtr table)
+{
+ int i;
+ HashBucketPtr bp;
+
+ for(i = 0; i < NUMBUCKETS; i++) {
+ while(table[i]) {
+ bp = table[i];
+ table[i] = table[i]->next;
+ free(bp->key);
+ free(bp->value);
+ free(bp);
+ }
+ }
+ free(table);
+}
+
+char *
+getHash(HashTablePtr table, char *key)
+{
+ int i = hash(key);
+ HashBucketPtr bp;
+ for(bp = table[i]; bp; bp = bp->next) {
+ if(strcasecmp(bp->key, key) == 0)
+ return bp->value;
+ }
+ return NULL;
+}
+
+int
+putHash(HashTablePtr table, char *key, char *value, int prio)
+{
+ int i = hash(key);
+ char *keycopy = NULL, *valuecopy = NULL;
+ HashBucketPtr bp;
+ for(bp = table[i]; bp; bp = bp->next) {
+ if(strcasecmp(bp->key, key) == 0) {
+ if(prio > bp->prio) {
+ keycopy = malloc(strlen(key) + 1);
+ if(keycopy == NULL) goto fail;
+ strcpy_lwr(keycopy, key);
+ valuecopy = malloc(strlen(value) + 1);
+ if(valuecopy == NULL) goto fail;
+ strcpy(valuecopy, value);
+ free(bp->key);
+ free(bp->value);
+ bp->key = keycopy;
+ bp->value = valuecopy;
+ }
+ return 1;
+ }
+ }
+ keycopy = malloc(strlen(key) + 1);
+ if(keycopy == NULL)
+ goto fail;
+ strcpy_lwr(keycopy, key);
+ valuecopy = malloc(strlen(value) + 1);
+ if(valuecopy == NULL)
+ goto fail;
+ strcpy(valuecopy, value);
+ bp = malloc(sizeof(HashBucketRec));
+ if(bp == NULL)
+ goto fail;
+ bp->key = keycopy;
+ bp->value = valuecopy;
+ bp->prio = prio;
+ bp->next = table[i];
+ table[i] = bp;
+ return 1;
+
+ fail:
+ if(keycopy) free(keycopy);
+ if(valuecopy) free(valuecopy);
+ return -1;
+}
+
+int
+hashElements(HashTablePtr table)
+{
+ int i, n;
+ HashBucketPtr bp;
+
+ n = 0;
+ for(i = 0; i < NUMBUCKETS; i++) {
+ for(bp = table[i]; bp; bp = bp->next) {
+ n++;
+ }
+ }
+ return n;
+}
+
+static int
+key_first_cmp(const void *v1, const void *v2)
+{
+ const HashBucketPtr *b1 = v1, *b2 = v2;
+ int c1 = strcasecmp((*b1)->key, (*b2)->key);
+ if(c1 != 0) return c1;
+ return strcmp((*b1)->value, (*b2)->value);
+}
+
+static int
+value_first_cmp(const void *v1, const void *v2)
+{
+ const HashBucketPtr *b1 = v1, *b2 = v2;
+ int c1 = strcmp((*b1)->value, (*b2)->value);
+ if(c1 != 0) return c1;
+ return strcasecmp((*b1)->key, (*b2)->key);
+}
+
+HashBucketPtr *
+hashArray(HashTablePtr table, int value_first)
+{
+ int i, j, n;
+ HashBucketPtr *dst;
+
+ n = hashElements(table);
+ dst = malloc((n + 1) * sizeof(HashBucketPtr));
+ if(dst == NULL)
+ return NULL;
+
+ j = 0;
+ for(i = 0; i < NUMBUCKETS; i++) {
+ while(table[i]) {
+ dst[j++] = table[i];
+ table[i] = table[i]->next;
+ }
+ }
+ qsort(dst, j, sizeof(HashBucketPtr),
+ value_first ? value_first_cmp : key_first_cmp);
+ dst[j++] = NULL;
+ free(table);
+
+ return dst;
+}
+
+void
+destroyHashArray(HashBucketPtr *array)
+{
+ int i = 0;
+ while(array[i]) {
+ free(array[i]->key);
+ free(array[i]->value);
+ free(array[i]);
+ i++;
+ }
+ free(array);
+}