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/****************************************************************************
* Copyright 2020 Thomas E. Dickey *
* Copyright 2009-2010,2011 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Thomas E. Dickey *
****************************************************************************/
#include <progs.priv.h>
#include <string.h>
#include <transform.h>
MODULE_ID("$Id: transform.c,v 1.1 2023/10/17 09:52:10 nicm Exp $")
#ifdef SUFFIX_IGNORED
static void
trim_suffix(const char *a, size_t *len)
{
const char ignore[] = SUFFIX_IGNORED;
if (sizeof(ignore) != 0) {
bool trim = FALSE;
size_t need = (sizeof(ignore) - 1);
if (*len > need) {
size_t first = *len - need;
size_t n;
trim = TRUE;
for (n = first; n < *len; ++n) {
if (tolower(UChar(a[n])) != tolower(UChar(ignore[n - first]))) {
trim = FALSE;
break;
}
}
if (trim) {
*len -= need;
}
}
}
}
#else
#define trim_suffix(a, len) /* nothing */
#endif
bool
same_program(const char *a, const char *b)
{
size_t len_a = strlen(a);
size_t len_b = strlen(b);
trim_suffix(a, &len_a);
trim_suffix(b, &len_b);
return (len_a == len_b) && (strncmp(a, b, len_a) == 0);
}
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