+++ /dev/null
-/***********************************************************
-
-Copyright (c) 1987 X Consortium
-
-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
-X CONSORTIUM 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.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-/* $XConsortium: oscolor.c,v 1.23 94/04/17 20:27:04 dpw Exp $ */
-/* $XFree86: xc/programs/Xserver/os/oscolor.c,v 3.2.4.1 1998/01/22 10:47:14 dawes Exp $ */
-
-#ifndef USE_RGB_TXT
-
-#ifdef NDBM
-#include <ndbm.h>
-#else
-#ifdef SVR4
-#include <rpcsvc/dbm.h>
-#else
-#include <dbm.h>
-#endif
-#endif
-#include "rgb.h"
-#include "os.h"
-#include "opaque.h"
-
-/* Note that we are assuming there is only one database for all the screens. */
-
-#ifdef NDBM
-DBM *rgb_dbm = (DBM *)NULL;
-#else
-int rgb_dbm = 0;
-#endif
-
-extern void CopyISOLatin1Lowered();
-
-int
-OsInitColors()
-{
- if (!rgb_dbm)
- {
-#ifdef NDBM
- rgb_dbm = dbm_open(rgbPath, 0, 0);
-#else
- if (dbminit(rgbPath) == 0)
- rgb_dbm = 1;
-#endif
- if (!rgb_dbm) {
- ErrorF( "Couldn't open RGB_DB '%s'\n", rgbPath );
- return FALSE;
- }
- }
- return TRUE;
-}
-
-/*ARGSUSED*/
-int
-OsLookupColor(screen, name, len, pred, pgreen, pblue)
- int screen;
- char *name;
- unsigned len;
- unsigned short *pred, *pgreen, *pblue;
-
-{
- datum dbent;
- RGB rgb;
- char buf[64];
- char *lowername;
-
- if(!rgb_dbm)
- return(0);
-
- /* we use xalloc here so that we can compile with cc without alloca
- * when otherwise using gcc */
- if (len < sizeof(buf))
- lowername = buf;
- else if (!(lowername = (char *)xalloc(len + 1)))
- return(0);
- CopyISOLatin1Lowered ((unsigned char *) lowername, (unsigned char *) name,
- (int)len);
-
- dbent.dptr = lowername;
- dbent.dsize = len;
-#ifdef NDBM
- dbent = dbm_fetch(rgb_dbm, dbent);
-#else
- dbent = fetch (dbent);
-#endif
-
- if (len >= sizeof(buf))
- xfree(lowername);
-
- if(dbent.dptr)
- {
- memmove((char *) &rgb, dbent.dptr, sizeof (RGB));
- *pred = rgb.red;
- *pgreen = rgb.green;
- *pblue = rgb.blue;
- return (1);
- }
- return(0);
-}
-
-#else /* USE_RGB_TXT */
-
-
-/*
- * The dbm routines are a porting hassle. This implementation will do
- * the same thing by reading the rgb.txt file directly, which is much
- * more portable.
- */
-
-#include <stdio.h>
-#include "os.h"
-#include "opaque.h"
-
-#define HASHSIZE 511
-
-typedef struct _dbEntry * dbEntryPtr;
-typedef struct _dbEntry {
- dbEntryPtr link;
- unsigned short red;
- unsigned short green;
- unsigned short blue;
- char name[1]; /* some compilers complain if [0] */
-} dbEntry;
-
-
-extern void CopyISOLatin1Lowered();
-
-static dbEntryPtr hashTab[HASHSIZE];
-
-
-static dbEntryPtr
-lookup(name, len, create)
- char *name;
- int len;
- Bool create;
-{
- unsigned int h = 0, g;
- dbEntryPtr entry, *prev;
- char *str = name;
-
- if (!(name = (char*)ALLOCATE_LOCAL(len +1))) return NULL;
- CopyISOLatin1Lowered(name, str, len);
- name[len] = '\0';
-
- for(str = name; *str; str++) {
- h = (h << 4) + *str;
- if ((g = h) & 0xf0000000) h ^= (g >> 24);
- h &= g;
- }
- h %= HASHSIZE;
-
- if ( entry = hashTab[h] )
- {
- for( ; entry; prev = (dbEntryPtr*)entry, entry = entry->link )
- if (! strcmp(name, entry->name) ) break;
- }
- else
- prev = &(hashTab[h]);
-
- if (!entry && create && (entry = (dbEntryPtr)xalloc(sizeof(dbEntry) +len)))
- {
- *prev = entry;
- entry->link = NULL;
- strcpy( entry->name, name );
- }
-
- DEALLOCATE_LOCAL(name);
-
- return entry;
-}
-
-
-Bool
-OsInitColors()
-{
- FILE *rgb;
- char *path;
- char line[BUFSIZ];
- char name[BUFSIZ];
- int red, green, blue, lineno = 0;
- dbEntryPtr entry;
-
- static Bool was_here = FALSE;
-
- if (!was_here)
- {
-#ifndef __EMX__
- path = (char*)ALLOCATE_LOCAL(strlen(rgbPath) +5);
- strcpy(path, rgbPath);
- strcat(path, ".txt");
-#else
- char *tmp = (char*)__XOS2RedirRoot(rgbPath);
- path = (char*)ALLOCATE_LOCAL(strlen(tmp) +5);
- strcpy(path, tmp);
- strcat(path, ".txt");
-#endif
- if (!(rgb = fopen(path, "r")))
- {
- ErrorF( "Couldn't open RGB_DB '%s'\n", rgbPath );
- DEALLOCATE_LOCAL(path);
- return FALSE;
- }
-
- while(fgets(line, sizeof(line), rgb))
- {
- lineno++;
-#ifndef __EMX__
- if (sscanf(line,"%d %d %d %[^\n]\n", &red, &green, &blue, name) == 4)
-#else
- if (sscanf(line,"%d %d %d %[^\n\r]\n", &red, &green, &blue, name) == 4)
-#endif
- {
- if (red >= 0 && red <= 0xff &&
- green >= 0 && green <= 0xff &&
- blue >= 0 && blue <= 0xff)
- {
- if (entry = lookup(name, strlen(name), TRUE))
- {
- entry->red = (red * 65535) / 255;
- entry->green = (green * 65535) / 255;
- entry->blue = (blue * 65535) / 255;
- }
- }
- else
- ErrorF("Value out of range: %s:%d\n", path, lineno);
- }
- else if (*line && *line != '#' && *line != '!')
- ErrorF("Syntax Error: %s:%d\n", path, lineno);
- }
-
- fclose(rgb);
- DEALLOCATE_LOCAL(path);
-
- was_here = TRUE;
- }
-
- return TRUE;
-}
-
-
-
-Bool
-OsLookupColor(screen, name, len, pred, pgreen, pblue)
- int screen;
- char *name;
- unsigned len;
- unsigned short *pred, *pgreen, *pblue;
-
-{
- dbEntryPtr entry;
-
- if (entry = lookup(name, len, FALSE))
- {
- *pred = entry->red;
- *pgreen = entry->green;
- *pblue = entry->blue;
- return TRUE;
- }
-
- return FALSE;
-}
-
-#endif /* USE_RGB_TXT */
projects / rdpsrv / blobdiff