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Diffstat (limited to 'camel/camel-file-utils.c')
-rw-r--r-- | camel/camel-file-utils.c | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/camel/camel-file-utils.c b/camel/camel-file-utils.c deleted file mode 100644 index 1b0fe65dbb..0000000000 --- a/camel/camel-file-utils.c +++ /dev/null @@ -1,283 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ - -/* - * Authors: - * Michael Zucchi <notzed@ximian.com> - * Dan Winship <danw@ximian.com> - * - * Copyright (C) 2000, 2001 Ximian, Inc. - * - * 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 of the - * License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - - -#include "camel-file-utils.h" - -#include <netinet/in.h> - -/** - * camel_file_util_encode_uint32: - * @out: file to output to - * @value: value to output - * - * Utility function to save an uint32 to a file. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_encode_uint32 (FILE *out, guint32 value) -{ - int i; - - for (i = 28; i > 0; i -= 7) { - if (value >= (1 << i)) { - unsigned int c = (value >> i) & 0x7f; - if (fputc (c, out) == -1) - return -1; - } - } - return fputc (value | 0x80, out); -} - -/** - * camel_file_util_decode_uint32: - * @in: file to read from - * @dest: pointer to a variable to store the value in - * - * Retrieve an encoded uint32 from a file. - * - * Return value: 0 on success, -1 on error. @*dest will contain the - * decoded value. - **/ -int -camel_file_util_decode_uint32 (FILE *in, guint32 *dest) -{ - guint32 value = 0; - int v; - - /* until we get the last byte, keep decoding 7 bits at a time */ - while ( ((v = fgetc (in)) & 0x80) == 0 && v!=EOF) { - value |= v; - value <<= 7; - } - if (v == EOF) { - *dest = value >> 7; - return -1; - } - *dest = value | (v & 0x7f); - - return 0; -} - -/** - * camel_file_util_encode_fixed_int32: - * @out: file to output to - * @value: value to output - * - * Encode a gint32, performing no compression, but converting - * to network order. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_encode_fixed_int32 (FILE *out, gint32 value) -{ - guint32 save; - - save = htonl (value); - if (fwrite (&save, sizeof (save), 1, out) != 1) - return -1; - return 0; -} - -/** - * camel_file_util_decode_fixed_int32: - * @in: file to read from - * @dest: pointer to a variable to store the value in - * - * Retrieve a gint32. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_decode_fixed_int32 (FILE *in, gint32 *dest) -{ - guint32 save; - - if (fread (&save, sizeof (save), 1, in) == 1) { - *dest = ntohl (save); - return 0; - } else { - return -1; - } -} - -/** - * camel_file_util_encode_time_t: - * @out: file to output to - * @value: value to output - * - * Encode a time_t value to the file. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_encode_time_t(FILE *out, time_t value) -{ - int i; - - for (i = sizeof (time_t) - 1; i >= 0; i--) { - if (fputc((value >> (i * 8)) & 0xff, out) == -1) - return -1; - } - return 0; -} - -/** - * camel_file_util_decode_time_t: - * @in: file to read from - * @dest: pointer to a variable to store the value in - * - * Decode a time_t value. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_decode_time_t (FILE *in, time_t *dest) -{ - time_t save = 0; - int v, i = sizeof (time_t) - 1; - - while (i >= 0 && (v = fgetc (in)) != EOF) { - save |= ((time_t)v) << (i * 8); - i--; - } - *dest = save; - if (v == EOF) - return -1; - return 0; -} - -/** - * camel_file_util_encode_off_t: - * @out: file to output to - * @value: value to output - * - * Encode an off_t type. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_encode_off_t (FILE *out, off_t value) -{ - int i; - - for (i = sizeof (off_t) - 1; i >= 0; i--) { - if (fputc ((value >> (i * 8)) & 0xff, out) == -1) - return -1; - } - return 0; -} - -/** - * camel_file_util_decode_off_t: - * @in: file to read from - * @dest: pointer to a variable to put the value in - * - * Decode an off_t type. - * - * Return value: 0 on success, -1 on failure. - **/ -int -camel_file_util_decode_off_t (FILE *in, off_t *dest) -{ - off_t save = 0; - int v, i = sizeof(off_t) - 1; - - while (i >= 0 && (v = fgetc (in)) != EOF) { - save |= ((off_t)v) << (i * 8); - i--; - } - *dest = save; - if (v == EOF) - return -1; - return 0; -} - -/** - * camel_file_util_encode_string: - * @out: file to output to - * @str: value to output - * - * Encode a normal string and save it in the output file. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_encode_string (FILE *out, const char *str) -{ - register int len; - - if (str == NULL) - return camel_file_util_encode_uint32 (out, 0); - - len = strlen (str); - if (camel_file_util_encode_uint32 (out, len+1) == -1) - return -1; - if (fwrite (str, len, 1, out) == 1) - return 0; - return -1; -} - -/** - * camel_file_util_decode_string: - * @in: file to read from - * @str: pointer to a variable to store the value in - * - * Decode a normal string from the input file. - * - * Return value: 0 on success, -1 on error. - **/ -int -camel_file_util_decode_string (FILE *in, char **str) -{ - guint32 len; - register char *ret; - - if (camel_file_util_decode_uint32 (in, &len) == -1) { - *str = NULL; - return -1; - } - - len--; - if (len > 65536) { - *str = NULL; - return -1; - } - - ret = g_malloc (len+1); - if (fread (ret, len, 1, in) != 1) { - g_free (ret); - *str = NULL; - return -1; - } - - ret[len] = 0; - *str = ret; - return 0; -} - - |