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authorSimon Josefsson <simon@josefsson.org>2006-10-21 10:17:16 +0000
committerSimon Josefsson <simon@josefsson.org>2006-10-21 10:17:16 +0000
commitb169b6146f8e63fd909bfe2457f74048a17deb33 (patch)
tree5217b1ba2fadd462d3592b3a9b0699295562d914 /gl/read-file.c
parent757cad44bec1bf763ed47876670463e7eb4027eb (diff)
downloadgnutls-b169b6146f8e63fd909bfe2457f74048a17deb33.tar.gz
Move modules from gl/ to lgl/.
Diffstat (limited to 'gl/read-file.c')
-rw-r--r--gl/read-file.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/gl/read-file.c b/gl/read-file.c
deleted file mode 100644
index 4e2ebd560a..0000000000
--- a/gl/read-file.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/* read-file.c -- read file contents into a string
- Copyright (C) 2006 Free Software Foundation, Inc.
- Written by Simon Josefsson and Bruno Haible.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "read-file.h"
-
-/* Get realloc, free. */
-#include <stdlib.h>
-
-/* Get errno. */
-#include <errno.h>
-
-/* Read a STREAM and return a newly allocated string with the content,
- and set *LENGTH to the length of the string. The string is
- zero-terminated, but the terminating zero byte is not counted in
- *LENGTH. On errors, *LENGTH is undefined, errno preserves the
- values set by system functions (if any), and NULL is returned. */
-char *
-fread_file (FILE * stream, size_t * length)
-{
- char *buf = NULL;
- size_t alloc = 0;
- size_t size = 0;
- int save_errno;
-
- for (;;)
- {
- size_t count;
- size_t requested;
-
- if (size + BUFSIZ + 1 > alloc)
- {
- char *new_buf;
-
- alloc += alloc / 2;
- if (alloc < size + BUFSIZ + 1)
- alloc = size + BUFSIZ + 1;
-
- new_buf = realloc (buf, alloc);
- if (!new_buf)
- {
- save_errno = errno;
- break;
- }
-
- buf = new_buf;
- }
-
- requested = alloc - size - 1;
- count = fread (buf + size, 1, requested, stream);
- size += count;
-
- if (count != requested)
- {
- save_errno = errno;
- if (ferror (stream))
- break;
- buf[size] = '\0';
- *length = size;
- return buf;
- }
- }
-
- free (buf);
- errno = save_errno;
- return NULL;
-}
-
-static char *
-internal_read_file (const char *filename, size_t * length, const char *mode)
-{
- FILE *stream = fopen (filename, mode);
- char *out;
- int save_errno;
-
- if (!stream)
- return NULL;
-
- out = fread_file (stream, length);
-
- save_errno = errno;
-
- if (fclose (stream) != 0)
- {
- if (out)
- {
- save_errno = errno;
- free (out);
- }
- errno = save_errno;
- return NULL;
- }
-
- return out;
-}
-
-/* Open and read the contents of FILENAME, and return a newly
- allocated string with the content, and set *LENGTH to the length of
- the string. The string is zero-terminated, but the terminating
- zero byte is not counted in *LENGTH. On errors, *LENGTH is
- undefined, errno preserves the values set by system functions (if
- any), and NULL is returned. */
-char *
-read_file (const char *filename, size_t * length)
-{
- return internal_read_file (filename, length, "r");
-}
-
-/* Open (on non-POSIX systems, in binary mode) and read the contents
- of FILENAME, and return a newly allocated string with the content,
- and set LENGTH to the length of the string. The string is
- zero-terminated, but the terminating zero byte is not counted in
- the LENGTH variable. On errors, *LENGTH is undefined, errno
- preserves the values set by system functions (if any), and NULL is
- returned. */
-char *
-read_binary_file (const char *filename, size_t * length)
-{
- return internal_read_file (filename, length, "rb");
-}