projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 535751f3 GM |
1 | /* |
| 2 | * Copyright (c) 1984, 1985, 1986 by the Regents of the | |
| 3 | * University of California and by Gregory Glenn Minshall. | |
| 4 | * | |
| 5 | * Permission to use, copy, modify, and distribute these | |
| 6 | * programs and their documentation for any purpose and | |
| 7 | * without fee is hereby granted, provided that this | |
| 8 | * copyright and permission appear on all copies and | |
| 9 | * supporting documentation, the name of the Regents of | |
| 10 | * the University of California not be used in advertising | |
| 11 | * or publicity pertaining to distribution of the programs | |
| 12 | * without specific prior permission, and notice be given in | |
| 13 | * supporting documentation that copying and distribution is | |
| 14 | * by permission of the Regents of the University of California | |
| 15 | * and by Gregory Glenn Minshall. Neither the Regents of the | |
| 16 | * University of California nor Gregory Glenn Minshall make | |
| 17 | * representations about the suitability of this software | |
| 18 | * for any purpose. It is provided "as is" without | |
| 19 | * express or implied warranty. | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef lint | |
| 23 | static char sccsid[] = "@(#)genbsubs.c 3.1 10/29/86"; | |
| 24 | #endif /* ndef lint */ | |
| 25 | ||
| 26 | /* The output of bunequal is the offset of the byte which didn't match; | |
| 27 | * if all the bytes match, then we return n. | |
| 28 | * bunequal(s1, s2, n) */ | |
| 29 | ||
| 30 | int | |
| 31 | bunequal(s1, s2, n) | |
| 32 | register char *s1, *s2; | |
| 33 | register n; | |
| 34 | { | |
| 35 | register int i = 0; | |
| 36 | ||
| 37 | while (i++ < n) { | |
| 38 | if (*s1++ != *s2++) { | |
| 39 | break; | |
| 40 | } | |
| 41 | } | |
| 42 | return(i-1); | |
| 43 | } | |
| 44 | ||
| 45 | /* bskip(s1, n, b) : finds the first occurrence of any byte != 'b' in the 'n' | |
| 46 | * bytes beginning at 's1'. | |
| 47 | */ | |
| 48 | ||
| 49 | int | |
| 50 | bskip(s1, n, b) | |
| 51 | register char *s1; | |
| 52 | register int n; | |
| 53 | register int b; | |
| 54 | { | |
| 55 | register int i = 0; | |
| 56 | ||
| 57 | while (i++ < n) { | |
| 58 | if (*s1++ != b) { | |
| 59 | break; | |
| 60 | } | |
| 61 | } | |
| 62 | return(i-1); | |
| 63 | } |