1 /***********************************************************************
2 * *
3 * This software is part of the ast package *
4 * Copyright (c) 1985-2011 AT&T Intellectual Property *
5 * and is licensed under the *
6 * Eclipse Public License, Version 1.0 *
7 * by AT&T Intellectual Property *
8 * *
9 * A copy of the License is available at *
10 * http://www.eclipse.org/org/documents/epl-v10.html *
11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
12 * *
13 * Information and Software Systems Research *
14 * AT&T Research *
15 * Florham Park NJ *
16 * *
17 * Glenn Fowler <gsf@research.att.com> *
18 * David Korn <dgk@research.att.com> *
19 * Phong Vo <kpv@research.att.com> *
20 * *
21 ***********************************************************************/
22 #pragma prototyped
23
24 #include <ast.h>
25
26 /*
27 * path prefix strcmp(3) -- longest first!
28 */
29
30 int
strpcmp(register const char * a,register const char * b)31 strpcmp(register const char* a, register const char* b)
32 {
33 while (*a == *b)
34 {
35 if (!*a++)
36 return 0;
37 b++;
38 }
39 if (*a == 0 && *b == '/')
40 return 1;
41 if (*a == '/' && *b == 0)
42 return -1;
43 return (a < b) ? -1 : 1;
44 }
45