xref: /freebsd/contrib/nvi/catalog/dump.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*-
2  * Copyright (c) 1992, 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <ctype.h>
31 #include <ctype.h>
32 #include <stdio.h>
33 
34 static void
35 parse(FILE *fp)
36 {
37 	int ch, s1, s2, s3;
38 
39 #define	TESTD(s) {							\
40 	if ((s = getc(fp)) == EOF)					\
41 		return;							\
42 	if (!isdigit(s))						\
43 		continue;						\
44 }
45 #define	TESTP {								\
46 	if ((ch = getc(fp)) == EOF)					\
47 		return;							\
48 	if (ch != '|')							\
49 		continue;						\
50 }
51 #define	MOVEC(t) {							\
52 	do {								\
53 		if ((ch = getc(fp)) == EOF)				\
54 			return;						\
55 	} while (ch != (t));						\
56 }
57 	for (;;) {
58 		MOVEC('"');
59 		TESTD(s1);
60 		TESTD(s2);
61 		TESTD(s3);
62 		TESTP;
63 		putchar('"');
64 		putchar(s1);
65 		putchar(s2);
66 		putchar(s3);
67 		putchar('|');
68 		for (;;) {		/* dump to end quote. */
69 			if ((ch = getc(fp)) == EOF)
70 				return;
71 			putchar(ch);
72 			if (ch == '"')
73 				break;
74 			if (ch == '\\') {
75 				if ((ch = getc(fp)) == EOF)
76 					return;
77 				putchar(ch);
78 			}
79 		}
80 		putchar('\n');
81 	}
82 }
83 
84 int
85 main(int argc, char *argv[])
86 {
87 	FILE *fp;
88 
89 	for (; *argv != NULL; ++argv) {
90 		if ((fp = fopen(*argv, "r")) == NULL) {
91 			perror(*argv);
92 			return (1);
93 		}
94 		parse(fp);
95 		(void)fclose(fp);
96 	}
97 	return (0);
98 }
99