diff options
Diffstat (limited to 'Build/source/texk/kpathsea/make-suffix.c')
-rw-r--r-- | Build/source/texk/kpathsea/make-suffix.c | 70 |
1 files changed, 70 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..16231bb1ad5 --- /dev/null +++ b/Build/source/texk/kpathsea/make-suffix.c @@ -0,0 +1,70 @@ +/* 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; +} |