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-rw-r--r--libshouldbeinlibc/argz-replace.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/libshouldbeinlibc/argz-replace.c b/libshouldbeinlibc/argz-replace.c
deleted file mode 100644
index 0a0dcdf9..00000000
--- a/libshouldbeinlibc/argz-replace.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* String replacement in an argz vector
- Copyright (C) 1997 Free Software Foundation, Inc.
- Written by Miles Bader <miles@gnu.ai.mit.edu>
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include <stdlib.h>
-#include <argz.h>
-
-/* Append BUF, of length BUF_LEN to *TO, of length *TO_LEN, reallocating and
- updating *TO & *TO_LEN appropriately. If an allocation error occurs,
- *TO's old value is freed, and *TO is set to 0. */
-static void
-str_append (char **to, size_t *to_len, const char *buf, const size_t buf_len)
-{
- size_t new_len = *to_len + buf_len;
- char *new_to = realloc (*to, new_len + 1);
-
- if (new_to)
- {
- memcpy (new_to + *to_len, buf, buf_len);
- new_to[new_len] = '\0';
- *to = new_to;
- *to_len = new_len;
- }
- else
- {
- free (*to);
- *to = 0;
- }
-}
-
-/* Replace any occurances of the string STR in ARGZ with WITH, reallocating
- ARGZ as necessary. If REPLACE_COUNT is non-zero, *REPLACE_COUNT will be
- incremented by number of replacements performed. */
-error_t
-argz_replace (char **argz, size_t *argz_len, const char *str, const char *with,
- unsigned *replace_count)
-{
- error_t err = 0;
-
- if (str && *str)
- {
- char *arg = 0;
- char *src = *argz;
- size_t src_len = *argz_len;
- char *dst = 0;
- size_t dst_len = 0;
- int delayed_copy = 1; /* True while we've avoided copying anything. */
- size_t str_len = strlen (str), with_len = strlen (with);
-
- while (!err && (arg = argz_next (src, src_len, arg)))
- {
- char *match = strstr (arg, str);
- if (match)
- {
- char *from = match + str_len;
- size_t to_len = match - arg;
- char *to = strndup (arg, to_len);
-
- while (to && from)
- {
- str_append (&to, &to_len, with, with_len);
- if (to)
- {
- match = strstr (from, str);
- if (match)
- {
- str_append (&to, &to_len, from, match - from);
- from = match + str_len;
- }
- else
- {
- str_append (&to, &to_len, from, strlen (from));
- from = 0;
- }
- }
- }
-
- if (to)
- {
- if (delayed_copy)
- /* We avoided copying SRC to DST until we found a match;
- now that we've done so, copy everything from the start
- of SRC. */
- {
- if (arg > src)
- err = argz_append (&dst, &dst_len, src, (arg - src));
- delayed_copy = 0;
- }
- if (! err)
- err = argz_add (&dst, &dst_len, to);
- free (to);
- }
- else
- err = ENOMEM;
-
- if (replace_count)
- (*replace_count)++;
- }
- else if (! delayed_copy)
- err = argz_add (&dst, &dst_len, arg);
- }
-
- if (! err)
- {
- if (! delayed_copy)
- /* We never found any instances of str. */
- {
- if (src)
- free (src);
- *argz = dst;
- *argz_len = dst_len;
- }
- }
- else if (dst_len > 0)
- free (dst);
- }
-
- return err;
-}