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- head 1.3;
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- locks ; strict;
- comment @ * @;
-
-
- 1.3
- date 92.03.27.13.30.04; author rab; state Exp;
- branches ;
- next 1.2;
-
- 1.2
- date 89.03.22.16.07.11; author rab; state Exp;
- branches ;
- next 1.1;
-
- 1.1
- date 88.04.25.13.25.49; author ouster; state Exp;
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-
- desc
- @@
-
-
- 1.3
- log
- @A few little optimizations.
- @
- text
- @/*
- * strncmp.c --
- *
- * Source code for the "strncmp" library routine.
- *
- * Copyright 1988 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: /sprite/src/lib/c/string/RCS/strncmp.c,v 1.2 89/03/22 16:07:11 rab Exp Locker: rab $ SPRITE (Berkeley)";
- #endif /* not lint */
-
- #include <string.h>
-
- /*
- *----------------------------------------------------------------------
- *
- * strncmp --
- *
- * Compares two strings lexicographically.
- *
- * Results:
- * The return value is 0 if the strings are identical in their
- * first s1 characters. If they differ in their first s1
- * characters, then the return value is 1 if the first string is
- * greater than the second, and -1 if the second string is less
- * than the first. If one string is a prefix of the other then
- * it is considered to be less (the terminating zero byte participates
- * in the comparison).
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- int
- strncmp(s1, s2, numChars)
- register char *s1, *s2; /* Strings to compare. */
- register int numChars; /* Max number of chars to compare. */
- {
- register char c1, c2;
-
- for ( ; numChars > 0; --numChars) {
- c1 = *s1++;
- c2 = *s2++;
- if (c1 != c2) {
- return c1 - c2;
- }
- if (c1 == '\0') {
- return 0;
- }
- }
- return 0;
- }
- @
-
-
- 1.2
- log
- @*** empty log message ***
- @
- text
- @d17 1
- a17 1
- static char rcsid[] = "$Header: /sprite/src/lib/c/string/RCS/strncmp.c,v 1.1 88/04/25 13:25:49 ouster Exp Locker: rab $ SPRITE (Berkeley)";
- d49 7
- a55 7
- for ( ; numChars > 0; numChars -= 1) {
- if (*s1 != *s2) {
- if (*s1 > *s2) {
- return 1;
- } else {
- return -1;
- }
- d57 1
- a57 1
- if (*s1++ == 0) {
- a59 1
- s2 += 1;
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @d17 4
- a20 2
- static char rcsid[] = "$Header: proto.c,v 1.2 88/03/11 08:39:08 ouster Exp $ SPRITE (Berkeley)";
- #endif not lint
- @
-