xref: /onnv-gate/usr/src/cmd/print/conv_fix/conv_fix.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1999-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <stdlib.h>
31*0Sstevel@tonic-gate #include <string.h>
32*0Sstevel@tonic-gate #include <locale.h>
33*0Sstevel@tonic-gate #include <sys/file.h>
34*0Sstevel@tonic-gate #include <fcntl.h>
35*0Sstevel@tonic-gate #include <errno.h>
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate extern char *optarg;
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  * FUNCTION:
41*0Sstevel@tonic-gate  *	static char *_file_getline(FILE *fp)
42*0Sstevel@tonic-gate  * INPUT:
43*0Sstevel@tonic-gate  *	FILE *fp - file pointer to read from
44*0Sstevel@tonic-gate  * OUTPUT:
45*0Sstevel@tonic-gate  *	char *(return) - an entry from the stream
46*0Sstevel@tonic-gate  * DESCRIPTION:
47*0Sstevel@tonic-gate  *	This routine will read in a line at a time.  If the line ends in a
48*0Sstevel@tonic-gate  *	newline, it returns.  If the line ends in a backslash newline, it
49*0Sstevel@tonic-gate  *	continues reading more.  It will ignore lines that start in # or
50*0Sstevel@tonic-gate  *	blank lines.
51*0Sstevel@tonic-gate  */
52*0Sstevel@tonic-gate static char *
53*0Sstevel@tonic-gate _file_getline(FILE *fp)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate 	char entry[BUFSIZ], *tmp;
56*0Sstevel@tonic-gate 	int size;
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	size = sizeof (entry);
59*0Sstevel@tonic-gate 	tmp  = entry;
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	/* find an entry */
62*0Sstevel@tonic-gate 	while (fgets(tmp, size, fp)) {
63*0Sstevel@tonic-gate 		if ((tmp == entry) && ((*tmp == '#') || (*tmp == '\n'))) {
64*0Sstevel@tonic-gate 			continue;
65*0Sstevel@tonic-gate 		} else {
66*0Sstevel@tonic-gate 			if ((*tmp == '#') || (*tmp == '\n')) {
67*0Sstevel@tonic-gate 				*tmp = NULL;
68*0Sstevel@tonic-gate 				break;
69*0Sstevel@tonic-gate 			}
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 			size -= strlen(tmp);
72*0Sstevel@tonic-gate 			tmp += strlen(tmp);
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate 			if (*(tmp-2) != '\\')
75*0Sstevel@tonic-gate 				break;
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 			size -= 2;
78*0Sstevel@tonic-gate 			tmp -= 2;
79*0Sstevel@tonic-gate 		}
80*0Sstevel@tonic-gate 	}
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	if (tmp == entry)
83*0Sstevel@tonic-gate 		return (NULL);
84*0Sstevel@tonic-gate 	else
85*0Sstevel@tonic-gate 		return (strdup(entry));
86*0Sstevel@tonic-gate }
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate main(int ac, char *av[])
89*0Sstevel@tonic-gate {
90*0Sstevel@tonic-gate 	int   c;
91*0Sstevel@tonic-gate 	char  file[80], ofile[80];
92*0Sstevel@tonic-gate 	char *cp;
93*0Sstevel@tonic-gate 	FILE *fp, *fp2;
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate 	(void) setlocale(LC_ALL, "");
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate #if	!defined(TEXT_DOMAIN)
98*0Sstevel@tonic-gate #define	TEXT_DOMAIN "SYS_TEST"
99*0Sstevel@tonic-gate #endif
100*0Sstevel@tonic-gate 	(void) textdomain(TEXT_DOMAIN);
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate 	while ((c = getopt(ac, av, "f:o:")) != EOF)
103*0Sstevel@tonic-gate 
104*0Sstevel@tonic-gate 		switch (c) {
105*0Sstevel@tonic-gate 		case 'f':
106*0Sstevel@tonic-gate 			(void) strlcpy(file, optarg, sizeof (file));
107*0Sstevel@tonic-gate 			break;
108*0Sstevel@tonic-gate 		case 'o':
109*0Sstevel@tonic-gate 			(void) strlcpy(ofile, optarg, sizeof (ofile));
110*0Sstevel@tonic-gate 			break;
111*0Sstevel@tonic-gate 		default:
112*0Sstevel@tonic-gate 			(void) fprintf(stderr,
113*0Sstevel@tonic-gate 				gettext("Usage: %s [-f file] [-o output file]\n"),
114*0Sstevel@tonic-gate 				av[0]);
115*0Sstevel@tonic-gate 			return (1);
116*0Sstevel@tonic-gate 		}
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate 	if ((fp = fopen(file, "r")) != NULL) {
119*0Sstevel@tonic-gate 		int fd;
120*0Sstevel@tonic-gate 
121*0Sstevel@tonic-gate 		fd = open(ofile, O_RDWR|O_APPEND);
122*0Sstevel@tonic-gate 		if ((fd < 0) && (errno == ENOENT))
123*0Sstevel@tonic-gate 			fd = open(ofile, O_RDWR|O_CREAT|O_EXCL, 0644);
124*0Sstevel@tonic-gate 
125*0Sstevel@tonic-gate 		if (fd < 0) {
126*0Sstevel@tonic-gate 			(void) fprintf(stderr,
127*0Sstevel@tonic-gate 			    gettext("Error trying to open file.\n"));
128*0Sstevel@tonic-gate 			return (1);
129*0Sstevel@tonic-gate 		}
130*0Sstevel@tonic-gate 
131*0Sstevel@tonic-gate 		lseek(fd, 0, SEEK_END);
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate 		if ((fp2 = fdopen(fd, "a")) != NULL) {
134*0Sstevel@tonic-gate 			while ((cp = _file_getline(fp)) != NULL) {
135*0Sstevel@tonic-gate 				(void) fprintf(fp2, "%s", cp);
136*0Sstevel@tonic-gate 			}
137*0Sstevel@tonic-gate 			return (0);
138*0Sstevel@tonic-gate 		} else {
139*0Sstevel@tonic-gate 			(void) fprintf(stderr,
140*0Sstevel@tonic-gate 			    gettext("Error trying to open file.\n"));
141*0Sstevel@tonic-gate 			return (1);
142*0Sstevel@tonic-gate 		}
143*0Sstevel@tonic-gate 	} else {
144*0Sstevel@tonic-gate 		(void) fprintf(stderr,
145*0Sstevel@tonic-gate 		    gettext("Error trying to open file.\n"));
146*0Sstevel@tonic-gate 		return (1);
147*0Sstevel@tonic-gate 	}
148*0Sstevel@tonic-gate }
149