IABSD.fr/xenocara/app/rgb/rgb.c

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  Commit

• Author : matthieu
  Date : 2008-06-13 04:55:03
  Hash : f6553ec8
  Message : Update to rgb 1.0.3

• app/rgb/rgb.c

• /*
  
  Copyright 1985, 1998  The Open Group
  
  Permission to use, copy, modify, distribute, and sell this software and its
  documentation for any purpose is hereby granted without fee, provided that
  the above copyright notice appear in all copies and that both that
  copyright notice and this permission notice appear in supporting
  documentation.
  
  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 OPEN GROUP 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 Open Group 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 Open Group.
  
  */
  
  
  /* reads from standard input lines of the form:
  	red green blue name
     where red/green/blue are decimal values, and inserts them in a database.
   */
  
  #ifdef HAVE_CONFIG_H
  # include "config.h"
  #endif
  
  #include DBM_HEADER
  #ifndef NDBM
  #define dbm_open(name,flags,mode) (!dbminit(name))
  #define dbm_store(db,key,content,flags) (store(key,content))
  #define dbm_close(db) dbmclose()
  #endif
  
  #undef NULL
  #include <stdio.h>
  #include <stdlib.h>
  #include <X11/Xos.h>
  #include "rgb.h"
  #include <ctype.h>
  
  #include <errno.h>
  
  static char *ProgramName;
  
  int
  main(int argc, char **argv)
  {
      char *dbname;
      char line[512];
      int red, green, blue;
      RGB rgb;
      datum key, content;
      char name[512];
      int items;
      int lineno;
      int i, n;
      int fd;
  #ifdef NDBM
      DBM *rgb_dbm;
  #else
      int rgb_dbm;
  #endif
  
      ProgramName = argv[0];
  
      if (argc == 2)
  	dbname = argv[1];
      else
  	dbname = RGB_DB;
  
      strcpy (name, dbname);
      strcat (name, ".dir");
      fd = open (name, O_WRONLY|O_CREAT, 0666);
      if (fd < 0) {
  	fprintf (stderr, 
  		 "%s:  unable to create dbm file \"%s\" (error %d, %s)\n",
  		 ProgramName, name, errno, strerror(errno));
  	exit (1);
      }
      (void) close (fd);
  
      strcpy (name, dbname);
      strcat (name, ".pag");
      fd = open (name, O_WRONLY|O_CREAT, 0666);
      if (fd < 0) {
  	fprintf (stderr, 
  		 "%s:  unable to create dbm file \"%s\" (error %d, %s)\n",
  		 ProgramName, name, errno, strerror(errno));
  	exit (1);
      }
      (void) close (fd);
  
      rgb_dbm = dbm_open (dbname, O_RDWR|O_CREAT, 0666);
      if (!rgb_dbm) {
  	fprintf (stderr,
  		 "%s:  unable to open dbm database \"%s\" (error %d, %s)\n",
  		 ProgramName, dbname, errno, strerror(errno));
  	exit (1);
      }
  
      key.dptr = name;
      content.dptr = (char *) &rgb;
      content.dsize = sizeof (rgb);
      lineno = 0;
      while (fgets (line, sizeof (line), stdin)) {
  	lineno++;
  	if (line[0] == '!')
  	    continue;
  	items = sscanf (line, "%d %d %d %[^\n]\n", &red, &green, &blue, name);
  	if (items != 4) {
  	    fprintf (stderr, "syntax error on line %d\n", lineno);
  	    fflush (stderr);
  	    continue;
  	}
  	if (red < 0 || red > 0xff ||
  	    green < 0 || green > 0xff ||
  	    blue < 0 || blue > 0xff) {
  	    fprintf (stderr, "value for %s out of range\n", name);
  	    fflush (stderr);
  	    continue;
  	}
  	n = strlen (name);
  	for (i = 0; i < n; i++) {
  	    if (isupper (name[i]))
  		name[i] = tolower (name[i]);
  	}
  	key.dsize = n;
  	rgb.red = (red * 65535) / 255;
  	rgb.green = (green * 65535) / 255;
  	rgb.blue = (blue * 65535) / 255;
  	if (dbm_store (rgb_dbm, key, content, DBM_REPLACE)) {
  	    fprintf (stderr, "%s:  store of entry \"%s\" failed\n",
  		     ProgramName, name);
  	    fflush (stderr);
  	}
      }
  
      dbm_close(rgb_dbm);
  
      exit(0);
  }