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-rw-r--r--Build/source/texk/kpathsea/make-suffix.c70
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diff --git a/Build/source/texk/kpathsea/make-suffix.c b/Build/source/texk/kpathsea/make-suffix.c
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+/* make-suffix.c: unconditionally add a filename suffix.
+
+ Copyright 1992, 1993, 1995, 2008, 2011, 2016 Karl Berry.
+ Copyright 2001, 2005 Olaf Weber.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library; if not, see <http://www.gnu.org/licenses/>. */
+
+#include <kpathsea/config.h>
+#include <kpathsea/c-pathch.h>
+
+/* Return a new string: S suffixed with SUFFIX, regardless of what it
+ was before. This returns a newly allocated string. */
+
+string
+make_suffix (const_string s, const_string suffix)
+{
+ string new_s;
+ const_string dot_pos = strrchr (s, '.');
+ const_string p;
+#if defined(WIN32)
+ string q;
+#endif
+
+ if (dot_pos)
+ for (p = dot_pos + 1; *p; p++) {
+ if (IS_DIR_SEP (*p)) {
+ dot_pos = NULL;
+ break;
+ }
+#if defined(WIN32) && defined(KPSE_COMPAT_API)
+ else if (IS_KANJI(p))
+ p++;
+#endif
+ }
+
+ if (dot_pos == NULL)
+ new_s = concat3 (s, ".", suffix);
+ else
+ {
+ unsigned past_dot_index = dot_pos + 1 - s;
+
+ new_s = (string)xmalloc (past_dot_index + strlen (suffix) + 1);
+ strncpy (new_s, s, past_dot_index);
+ strcpy (new_s + past_dot_index, suffix);
+ }
+
+#if defined(WIN32)
+ for (q = new_s; *q; q++) {
+ if (*q == '\\')
+ *q = '/';
+#if defined(KPSE_COMPAT_API)
+ else if (IS_KANJI(q))
+ q++;
+#endif
+ }
+#endif
+
+ return new_s;
+}