1 /****************************************************************************
2 * Copyright (c) 2009,2010 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey *
31 ****************************************************************************/
32 #include <progs.priv.h>
35 #include <transform.h>
37 MODULE_ID("$Id: transform.c,v 1.2 2010/09/04 21:16:17 tom Exp $")
41 trim_suffix(const char *a, unsigned *len)
43 const char ignore[] = SUFFIX_IGNORED;
45 if (sizeof(ignore) != 0) {
47 unsigned need = (sizeof(ignore) - 1);
50 unsigned first = *len - need;
53 for (n = first; n < *len; ++n) {
54 if (tolower(UChar(a[n])) != tolower(UChar(ignore[n - first]))) {
66 #define trim_suffix(a, len) /* nothing */
70 same_program(const char *a, const char *b)
72 unsigned len_a = strlen(a);
73 unsigned len_b = strlen(b);
75 trim_suffix(a, &len_a);
76 trim_suffix(b, &len_b);
78 return (len_a == len_b) && (strncmp(a, b, len_a) == 0);