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authorKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
committerKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
commit487ca4806cc046076293cf6cc5fbba0db282bac7 (patch)
tree847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/kpathsea/make-suffix.c
parenta3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff)
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/kpathsea/make-suffix.c')
-rw-r--r--Build/source/texk/kpathsea/make-suffix.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/make-suffix.c b/Build/source/texk/kpathsea/make-suffix.c
new file mode 100644
index 00000000000..4bb25dab375
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+++ b/Build/source/texk/kpathsea/make-suffix.c
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+/* make-suffix.c: unconditionally add a filename suffix.
+
+ Copyright 2001, 05 Olaf Weber.
+ Copyright 1992, 93, 95 Karl Berry.
+
+ 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, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+*/
+
+#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 P2C(const_string, s, const_string, suffix)
+{
+ string new_s;
+ const_string dot_pos = strrchr (s, '.');
+ const_string slash_pos;
+
+ for (slash_pos = s + strlen (s) - 1; slash_pos > dot_pos && slash_pos > s;
+ slash_pos--) {
+ if (IS_DIR_SEP (*slash_pos))
+ break;
+ }
+
+ if (dot_pos == NULL || slash_pos > dot_pos )
+ 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, dot_pos + 1 - s);
+ strcpy (new_s + past_dot_index, suffix);
+ }
+
+ return new_s;
+}