summaryrefslogtreecommitdiff
path: root/Build/source/texk/kpathsea/fn.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/texk/kpathsea/fn.c')
-rw-r--r--Build/source/texk/kpathsea/fn.c119
1 files changed, 0 insertions, 119 deletions
diff --git a/Build/source/texk/kpathsea/fn.c b/Build/source/texk/kpathsea/fn.c
deleted file mode 100644
index 3464ced7722..00000000000
--- a/Build/source/texk/kpathsea/fn.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* fn.c: arbitrarily long filenames or strings.
-
- Copyright 1993, 2008 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/fn.h>
-
-
-/* /usr/local/lib/texmf/fonts/public/cm/pk/ljfour/cmr10.300pk is 58
- chars, so ASCII `K' seems a good choice. */
-#define CHUNK_SIZE 75
-
-
-fn_type
-fn_init (void)
-{
- fn_type ret;
-
- FN_ALLOCATED (ret) = FN_LENGTH (ret) = 0;
- FN_STRING (ret) = NULL;
-
- return ret;
-}
-
-
-fn_type
-fn_copy0 (const_string s, unsigned len)
-{
- fn_type ret;
-
- FN_ALLOCATED (ret) = CHUNK_SIZE > len ? CHUNK_SIZE : len + 1;
- FN_STRING (ret) = (string)xmalloc (FN_ALLOCATED (ret));
-
- strncpy (FN_STRING (ret), s, len);
- FN_STRING (ret)[len] = 0;
- FN_LENGTH (ret) = len + 1;
-
- return ret;
-}
-
-/* Don't think we ever try to free something that might usefully be
- empty, so give fatal error if nothing allocated. */
-
-void
-fn_free (fn_type *f)
-{
- assert (FN_STRING (*f) != NULL);
- free (FN_STRING (*f));
- FN_STRING (*f) = NULL;
- FN_ALLOCATED (*f) = 0;
- FN_LENGTH (*f) = 0;
-}
-
-/* An arithmetic increase seems more reasonable than geometric. We
- don't increase the length member since it may be more convenient for
- the caller to add than subtract when appending the stuff that will
- presumably follow. */
-
-static void
-grow (fn_type *f, unsigned len)
-{
- while (FN_LENGTH (*f) + len > FN_ALLOCATED (*f))
- {
- FN_ALLOCATED (*f) += CHUNK_SIZE;
- XRETALLOC (FN_STRING (*f), FN_ALLOCATED (*f), char);
- }
-}
-
-
-void
-fn_1grow (fn_type *f, char c)
-{
- grow (f, 1);
- FN_STRING (*f)[FN_LENGTH (*f)] = c;
- FN_LENGTH (*f)++;
-}
-
-
-void
-fn_grow (fn_type *f, const_string source, unsigned len)
-{
- grow (f, len);
- strncpy (FN_STRING (*f) + FN_LENGTH (*f), source, len);
- FN_LENGTH (*f) += len;
-}
-
-
-void
-fn_str_grow (fn_type *f, const_string s)
-{
- unsigned more_len = strlen (s);
- grow (f, more_len);
- strcat (FN_STRING (*f), s);
- FN_LENGTH (*f) += more_len;
-}
-
-
-void
-fn_shrink_to (fn_type *f, unsigned loc)
-{
- assert (FN_LENGTH (*f) > loc);
- FN_STRING (*f)[loc] = 0;
- FN_LENGTH (*f) = loc + 1;
-}