rgb.c revision 61c899d4
1/* 2 3Copyright 1985, 1998 The Open Group 4 5Permission to use, copy, modify, distribute, and sell this software and its 6documentation for any purpose is hereby granted without fee, provided that 7the above copyright notice appear in all copies and that both that 8copyright notice and this permission notice appear in supporting 9documentation. 10 11The above copyright notice and this permission notice shall be included 12in all copies or substantial portions of the Software. 13 14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 17IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR 18OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20OTHER DEALINGS IN THE SOFTWARE. 21 22Except as contained in this notice, the name of The Open Group shall 23not be used in advertising or otherwise to promote the sale, use or 24other dealings in this Software without prior written authorization 25from The Open Group. 26 27*/ 28 29 30/* reads from standard input lines of the form: 31 red green blue name 32 where red/green/blue are decimal values, and inserts them in a database. 33 */ 34 35#ifdef HAVE_CONFIG_H 36# include "config.h" 37#endif 38 39#include DBM_HEADER 40#ifndef NDBM 41#define dbm_open(name,flags,mode) (!dbminit(name)) 42#define dbm_store(db,key,content,flags) (store(key,content)) 43#define dbm_close(db) dbmclose() 44#endif 45 46#undef NULL 47#include <stdio.h> 48#include <stdlib.h> 49#include <X11/Xos.h> 50#include "rgb.h" 51#include <ctype.h> 52 53#include <errno.h> 54 55static char *ProgramName; 56 57int 58main(int argc, char **argv) 59{ 60 char *dbname; 61 char line[512]; 62 int red, green, blue; 63 RGB rgb; 64 datum key, content; 65 char name[512]; 66 int items; 67 int lineno; 68 int i, n; 69 int fd; 70#ifdef NDBM 71 DBM *rgb_dbm; 72#else 73 int rgb_dbm; 74#endif 75 76 ProgramName = argv[0]; 77 78 if (argc == 2) 79 dbname = argv[1]; 80 else 81 dbname = RGB_DB; 82 83 snprintf (name, sizeof(name), "%s.dir", dbname); 84 fd = open (name, O_WRONLY|O_CREAT, 0666); 85 if (fd < 0) { 86 fprintf (stderr, 87 "%s: unable to create dbm file \"%s\" (error %d, %s)\n", 88 ProgramName, name, errno, strerror(errno)); 89 exit (1); 90 } 91 (void) close (fd); 92 93 snprintf (name, sizeof(name), "%s.pag", dbname); 94 fd = open (name, O_WRONLY|O_CREAT, 0666); 95 if (fd < 0) { 96 fprintf (stderr, 97 "%s: unable to create dbm file \"%s\" (error %d, %s)\n", 98 ProgramName, name, errno, strerror(errno)); 99 exit (1); 100 } 101 (void) close (fd); 102 103 rgb_dbm = dbm_open (dbname, O_RDWR|O_CREAT, 0666); 104 if (!rgb_dbm) { 105 fprintf (stderr, 106 "%s: unable to open dbm database \"%s\" (error %d, %s)\n", 107 ProgramName, dbname, errno, strerror(errno)); 108 exit (1); 109 } 110 111 key.dptr = name; 112 content.dptr = (char *) &rgb; 113 content.dsize = sizeof (rgb); 114 lineno = 0; 115 while (fgets (line, sizeof (line), stdin)) { 116 lineno++; 117 if (line[0] == '!') 118 continue; 119 items = sscanf (line, "%d %d %d %[^\n]\n", &red, &green, &blue, name); 120 if (items != 4) { 121 fprintf (stderr, "syntax error on line %d\n", lineno); 122 fflush (stderr); 123 continue; 124 } 125 if (red < 0 || red > 0xff || 126 green < 0 || green > 0xff || 127 blue < 0 || blue > 0xff) { 128 fprintf (stderr, "value for %s out of range\n", name); 129 fflush (stderr); 130 continue; 131 } 132 n = strlen (name); 133 for (i = 0; i < n; i++) { 134 if (isupper (name[i])) 135 name[i] = tolower (name[i]); 136 } 137 key.dsize = n; 138 rgb.red = (red * 65535) / 255; 139 rgb.green = (green * 65535) / 255; 140 rgb.blue = (blue * 65535) / 255; 141 if (dbm_store (rgb_dbm, key, content, DBM_REPLACE)) { 142 fprintf (stderr, "%s: store of entry \"%s\" failed\n", 143 ProgramName, name); 144 fflush (stderr); 145 } 146 } 147 148 dbm_close(rgb_dbm); 149 150 exit(0); 151} 152