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9c0cfe32 WJ |
1 | /*- |
2 | * Copyright (c) 1980 The Regents of the University of California. | |
3 | * 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. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1980 The Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)getNAME.c 5.4 (Berkeley) 1/20/91"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | /* | |
45 | * Get name sections from manual pages. | |
46 | * -t for building toc | |
47 | * -i for building intro entries | |
48 | * other apropos database | |
49 | */ | |
50 | #include <stdio.h> | |
51 | #include <string.h> | |
52 | ||
53 | int tocrc; | |
54 | int intro; | |
55 | ||
56 | main(argc, argv) | |
57 | int argc; | |
58 | char **argv; | |
59 | { | |
60 | extern int optind; | |
61 | int ch; | |
62 | ||
63 | while ((ch = getopt(argc, argv, "it")) != EOF) | |
64 | switch(ch) { | |
65 | case 'i': | |
66 | intro = 1; | |
67 | break; | |
68 | case 't': | |
69 | tocrc = 1; | |
70 | break; | |
71 | case '?': | |
72 | default: | |
73 | usage(); | |
74 | } | |
75 | argc -= optind; | |
76 | argv += optind; | |
77 | ||
78 | if (!*argv) | |
79 | usage(); | |
80 | ||
81 | for (; *argv; ++argv) | |
82 | getfrom(*argv); | |
83 | exit(0); | |
84 | } | |
85 | ||
86 | getfrom(name) | |
87 | char *name; | |
88 | { | |
89 | int i = 0; | |
90 | char headbuf[BUFSIZ]; | |
91 | char linbuf[BUFSIZ]; | |
92 | ||
93 | if (freopen(name, "r", stdin) == 0) { | |
94 | perror(name); | |
95 | return; | |
96 | } | |
97 | for (;;) { | |
98 | if (fgets(headbuf, sizeof headbuf, stdin) == NULL) | |
99 | return; | |
100 | if (headbuf[0] != '.') | |
101 | continue; | |
102 | if (headbuf[1] == 'T' && headbuf[2] == 'H') | |
103 | break; | |
104 | if (headbuf[1] == 't' && headbuf[2] == 'h') | |
105 | break; | |
106 | } | |
107 | for (;;) { | |
108 | if (fgets(linbuf, sizeof linbuf, stdin) == NULL) | |
109 | return; | |
110 | if (linbuf[0] != '.') | |
111 | continue; | |
112 | if (linbuf[1] == 'S' && linbuf[2] == 'H') | |
113 | break; | |
114 | if (linbuf[1] == 's' && linbuf[2] == 'h') | |
115 | break; | |
116 | } | |
117 | trimln(headbuf); | |
118 | if (tocrc) | |
119 | doname(name); | |
120 | if (!intro) | |
121 | printf("%s\t", headbuf); | |
122 | for (;;) { | |
123 | if (fgets(linbuf, sizeof linbuf, stdin) == NULL) | |
124 | break; | |
125 | if (linbuf[0] == '.') { | |
126 | if (linbuf[1] == 'S' && linbuf[2] == 'H') | |
127 | break; | |
128 | if (linbuf[1] == 's' && linbuf[2] == 'h') | |
129 | break; | |
130 | } | |
131 | trimln(linbuf); | |
132 | if (intro) { | |
133 | split(linbuf, name); | |
134 | continue; | |
135 | } | |
136 | if (i != 0) | |
137 | printf(" "); | |
138 | i++; | |
139 | printf("%s", linbuf); | |
140 | } | |
141 | printf("\n"); | |
142 | } | |
143 | ||
144 | trimln(cp) | |
145 | register char *cp; | |
146 | { | |
147 | ||
148 | while (*cp) | |
149 | cp++; | |
150 | if (*--cp == '\n') | |
151 | *cp = 0; | |
152 | } | |
153 | ||
154 | doname(name) | |
155 | char *name; | |
156 | { | |
157 | register char *dp = name, *ep; | |
158 | ||
159 | again: | |
160 | while (*dp && *dp != '.') | |
161 | putchar(*dp++); | |
162 | if (*dp) | |
163 | for (ep = dp+1; *ep; ep++) | |
164 | if (*ep == '.') { | |
165 | putchar(*dp++); | |
166 | goto again; | |
167 | } | |
168 | putchar('('); | |
169 | if (*dp) | |
170 | dp++; | |
171 | while (*dp) | |
172 | putchar (*dp++); | |
173 | putchar(')'); | |
174 | putchar(' '); | |
175 | } | |
176 | ||
177 | split(line, name) | |
178 | char *line, *name; | |
179 | { | |
180 | register char *cp, *dp; | |
181 | char *sp, *sep; | |
182 | ||
183 | cp = index(line, '-'); | |
184 | if (cp == 0) | |
185 | return; | |
186 | sp = cp + 1; | |
187 | for (--cp; *cp == ' ' || *cp == '\t' || *cp == '\\'; cp--) | |
188 | ; | |
189 | *++cp = '\0'; | |
190 | while (*sp && (*sp == ' ' || *sp == '\t')) | |
191 | sp++; | |
192 | for (sep = "", dp = line; dp && *dp; dp = cp, sep = "\n") { | |
193 | cp = index(dp, ','); | |
194 | if (cp) { | |
195 | register char *tp; | |
196 | ||
197 | for (tp = cp - 1; *tp == ' ' || *tp == '\t'; tp--) | |
198 | ; | |
199 | *++tp = '\0'; | |
200 | for (++cp; *cp == ' ' || *cp == '\t'; cp++) | |
201 | ; | |
202 | } | |
203 | printf("%s%s\t", sep, dp); | |
204 | dorefname(name); | |
205 | printf("\t%s", sp); | |
206 | } | |
207 | } | |
208 | ||
209 | dorefname(name) | |
210 | char *name; | |
211 | { | |
212 | register char *dp = name, *ep; | |
213 | ||
214 | again: | |
215 | while (*dp && *dp != '.') | |
216 | putchar(*dp++); | |
217 | if (*dp) | |
218 | for (ep = dp+1; *ep; ep++) | |
219 | if (*ep == '.') { | |
220 | putchar(*dp++); | |
221 | goto again; | |
222 | } | |
223 | putchar('.'); | |
224 | if (*dp) | |
225 | dp++; | |
226 | while (*dp) | |
227 | putchar (*dp++); | |
228 | } | |
229 | ||
230 | usage() | |
231 | { | |
232 | (void)fprintf(stderr, "usage: getNAME [-it] file ...\n"); | |
233 | exit(1); | |
234 | } |