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ad787160 C |
1 | /*- |
2 | * Copyright (c) 1992, 1993 | |
3 | * The Regents of the University of California. All rights reserved. | |
4 | * | |
c0567266 KB |
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. | |
ad787160 C |
32 | */ |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)v_comment.c 8.1 (Berkeley) 6/9/93"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #include <sys/types.h> | |
39 | #include <string.h> | |
40 | ||
41 | #include "vi.h" | |
42 | #include "vcmd.h" | |
43 | ||
44 | int | |
45 | v_comment(sp, ep) | |
46 | SCR *sp; | |
47 | EXF *ep; | |
48 | { | |
49 | recno_t lno; | |
50 | size_t len; | |
51 | char *p; | |
52 | ||
53 | for (lno = 1; | |
54 | (p = file_gline(sp, ep, lno, &len)) != NULL && len == 0; ++lno); | |
55 | if (p == NULL || len <= 1 || memcmp(p, "/*", 2)) | |
56 | return (0); | |
57 | do { | |
58 | for (; len; --len, ++p) | |
59 | if (p[0] == '*' && len > 1 && p[1] == '/') { | |
60 | sp->lno = lno; | |
61 | return (0); | |
62 | } | |
63 | } while ((p = file_gline(sp, ep, ++lno, &len)) != NULL); | |
64 | return (0); | |
65 | } |