diff options
author | Simon Josefsson <simon@josefsson.org> | 2006-10-21 10:17:16 +0000 |
---|---|---|
committer | Simon Josefsson <simon@josefsson.org> | 2006-10-21 10:17:16 +0000 |
commit | b169b6146f8e63fd909bfe2457f74048a17deb33 (patch) | |
tree | 5217b1ba2fadd462d3592b3a9b0699295562d914 /gl/read-file.c | |
parent | 757cad44bec1bf763ed47876670463e7eb4027eb (diff) | |
download | gnutls-b169b6146f8e63fd909bfe2457f74048a17deb33.tar.gz |
Move modules from gl/ to lgl/.
Diffstat (limited to 'gl/read-file.c')
-rw-r--r-- | gl/read-file.c | 138 |
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"); -} |