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-rw-r--r--libidn/iconvme.c171
1 files changed, 0 insertions, 171 deletions
diff --git a/libidn/iconvme.c b/libidn/iconvme.c
deleted file mode 100644
index 94373de88a..0000000000
--- a/libidn/iconvme.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Recode strings between character sets, using iconv.
- Copyright (C) 2002-2016 Free Software Foundation, Inc.
-
- This program 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, or (at
- your option) any later version.
-
- This program 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 program; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-/* Get prototype. */
-#include "iconvme.h"
-
-/* Get malloc. */
-#include <stdlib.h>
-
-/* Get strcmp. */
-#include <string.h>
-
-/* Get errno. */
-#include <errno.h>
-
-#ifdef _LIBC
-# define HAVE_ICONV 1
-#else
-/* Get strdup. */
-# include "strdup.h"
-#endif
-
-#if HAVE_ICONV
-/* Get iconv etc. */
-# include <iconv.h>
-/* Get MB_LEN_MAX, CHAR_BIT. */
-# include <limits.h>
-#endif
-
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-
-/* Convert a zero-terminated string STR from the FROM_CODSET code set
- to the TO_CODESET code set. The returned string is allocated using
- malloc, and must be dellocated by the caller using free. On
- failure, NULL is returned and errno holds the error reason. Note
- that if TO_CODESET uses \0 for anything but to terminate the
- string, the caller of this function may have difficulties finding
- out the length of the output string. */
-char *
-iconv_string (const char *str, const char *from_codeset,
- const char *to_codeset)
-{
- char *dest = NULL;
-#if HAVE_ICONV
- iconv_t cd;
- char *outp;
- char *p = (char *) str;
- size_t inbytes_remaining = strlen (p);
- /* Guess the maximum length the output string can have. */
- size_t outbuf_size = inbytes_remaining + 1;
- size_t outbytes_remaining;
- size_t err;
- int have_error = 0;
-
- /* Use a worst-case output size guess, so long as that wouldn't be
- too large for comfort. It's OK if the guess is wrong so long as
- it's nonzero. */
- size_t approx_sqrt_SIZE_MAX = SIZE_MAX >> (sizeof (size_t) * CHAR_BIT / 2);
- if (outbuf_size <= approx_sqrt_SIZE_MAX / MB_LEN_MAX)
- outbuf_size *= MB_LEN_MAX;
- outbytes_remaining = outbuf_size - 1;
-#endif
-
- if (strcmp (to_codeset, from_codeset) == 0)
- return strdup (str);
-
-#if HAVE_ICONV
- cd = iconv_open (to_codeset, from_codeset);
- if (cd == (iconv_t) -1)
- return NULL;
-
- outp = dest = (char *) malloc (outbuf_size);
- if (dest == NULL)
- goto out;
-
-again:
- err = iconv (cd, &p, &inbytes_remaining, &outp, &outbytes_remaining);
-
- if (err == (size_t) - 1)
- {
- switch (errno)
- {
- case EINVAL:
- /* Incomplete text, do not report an error */
- break;
-
- case E2BIG:
- {
- size_t used = outp - dest;
- size_t newsize = outbuf_size * 2;
- char *newdest;
-
- if (newsize <= outbuf_size)
- {
- errno = ENOMEM;
- have_error = 1;
- goto out;
- }
- newdest = (char *) realloc (dest, newsize);
- if (newdest == NULL)
- {
- have_error = 1;
- goto out;
- }
- dest = newdest;
- outbuf_size = newsize;
-
- outp = dest + used;
- outbytes_remaining = outbuf_size - used - 1; /* -1 for NUL */
-
- goto again;
- }
- break;
-
- case EILSEQ:
- have_error = 1;
- break;
-
- default:
- have_error = 1;
- break;
- }
- }
-
- *outp = '\0';
-
-out:
- {
- int save_errno = errno;
-
- if (iconv_close (cd) < 0 && !have_error)
- {
- /* If we didn't have a real error before, make sure we restore
- the iconv_close error below. */
- save_errno = errno;
- have_error = 1;
- }
-
- if (have_error && dest)
- {
- free (dest);
- dest = NULL;
- errno = save_errno;
- }
- }
-#else
- errno = ENOSYS;
-#endif
-
- return dest;
-}