1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <string.h> 32 #include <locale.h> 33 #include <sys/file.h> 34 #include <fcntl.h> 35 #include <errno.h> 36 37 extern char *optarg; 38 39 /* 40 * FUNCTION: 41 * static char *_file_getline(FILE *fp) 42 * INPUT: 43 * FILE *fp - file pointer to read from 44 * OUTPUT: 45 * char *(return) - an entry from the stream 46 * DESCRIPTION: 47 * This routine will read in a line at a time. If the line ends in a 48 * newline, it returns. If the line ends in a backslash newline, it 49 * continues reading more. It will ignore lines that start in # or 50 * blank lines. 51 */ 52 static char * 53 _file_getline(FILE *fp) 54 { 55 char entry[BUFSIZ], *tmp; 56 int size; 57 58 size = sizeof (entry); 59 tmp = entry; 60 61 /* find an entry */ 62 while (fgets(tmp, size, fp)) { 63 if ((tmp == entry) && ((*tmp == '#') || (*tmp == '\n'))) { 64 continue; 65 } else { 66 if ((*tmp == '#') || (*tmp == '\n')) { 67 *tmp = NULL; 68 break; 69 } 70 71 size -= strlen(tmp); 72 tmp += strlen(tmp); 73 74 if (*(tmp-2) != '\\') 75 break; 76 77 size -= 2; 78 tmp -= 2; 79 } 80 } 81 82 if (tmp == entry) 83 return (NULL); 84 else 85 return (strdup(entry)); 86 } 87 88 int 89 main(int ac, char *av[]) 90 { 91 int c; 92 char file[80], ofile[80]; 93 char *cp; 94 FILE *fp, *fp2; 95 96 (void) setlocale(LC_ALL, ""); 97 98 #if !defined(TEXT_DOMAIN) 99 #define TEXT_DOMAIN "SYS_TEST" 100 #endif 101 (void) textdomain(TEXT_DOMAIN); 102 103 while ((c = getopt(ac, av, "f:o:")) != EOF) 104 105 switch (c) { 106 case 'f': 107 (void) strlcpy(file, optarg, sizeof (file)); 108 break; 109 case 'o': 110 (void) strlcpy(ofile, optarg, sizeof (ofile)); 111 break; 112 default: 113 (void) fprintf(stderr, gettext( 114 "Usage: %s [-f file] [-o output file]\n"), 115 av[0]); 116 return (1); 117 } 118 119 if ((fp = fopen(file, "r")) != NULL) { 120 int fd; 121 122 fd = open(ofile, O_RDWR|O_APPEND); 123 if ((fd < 0) && (errno == ENOENT)) 124 fd = open(ofile, O_RDWR|O_CREAT|O_EXCL, 0644); 125 126 if (fd < 0) { 127 (void) fprintf(stderr, 128 gettext("Error trying to open file.\n")); 129 return (1); 130 } 131 132 lseek(fd, 0, SEEK_END); 133 134 if ((fp2 = fdopen(fd, "a")) != NULL) { 135 while ((cp = _file_getline(fp)) != NULL) { 136 (void) fprintf(fp2, "%s", cp); 137 } 138 return (0); 139 } else { 140 (void) fprintf(stderr, 141 gettext("Error trying to open file.\n")); 142 return (1); 143 } 144 } else { 145 (void) fprintf(stderr, 146 gettext("Error trying to open file.\n")); 147 return (1); 148 } 149 } 150