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-rw-r--r--camel/camel-file-utils.c546
1 files changed, 0 insertions, 546 deletions
diff --git a/camel/camel-file-utils.c b/camel/camel-file-utils.c
deleted file mode 100644
index 540fef2739..0000000000
--- a/camel/camel-file-utils.c
+++ /dev/null
@@ -1,546 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
- *
- * Authors:
- * Michael Zucchi <notzed@ximian.com>
- * Jeffrey Stedfast <fejj@ximian.com>
- * Dan Winship <danw@ximian.com>
- *
- * Copyright (C) 2000, 2003 Ximian, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * 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
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#include "camel-file-utils.h"
-#include "camel-operation.h"
-#include "camel-url.h"
-
-#ifndef MAX
-#define MAX(a,b) ((a) > (b) ? (a) : (b))
-#endif
-
-
-/**
- * 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 i = sizeof (time_t) - 1;
- int v = EOF;
-
- 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 i = sizeof(off_t) - 1;
- int v = EOF;
-
- 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, 1);
-
- len = strlen (str);
- if (camel_file_util_encode_uint32 (out, len+1) == -1)
- return -1;
- if (len == 0 || 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 (len > 0 && fread (ret, len, 1, in) != 1) {
- g_free (ret);
- *str = NULL;
- return -1;
- }
-
- ret[len] = 0;
- *str = ret;
- return 0;
-}
-
-
-/**
- * camel_mkdir:
- * @path: directory path to create
- * @mode: permissions
- *
- * Creates the directory path described in @path, creating any parent
- * directories as necessary.
- *
- * Returns 0 on success or -1 on fail. In the case of failure, errno
- * will be set appropriately.
- **/
-int
-camel_mkdir (const char *path, mode_t mode)
-{
- char *copy, *p;
-
- g_assert(path && path[0] == '/');
-
- p = copy = g_alloca (strlen (path) + 1);
- strcpy(copy, path);
- do {
- p = strchr(p + 1, '/');
- if (p)
- *p = '\0';
- if (access(copy, F_OK) == -1) {
- if (mkdir(copy, mode) == -1)
- return -1;
- }
- if (p)
- *p = '/';
- } while (p);
-
- return 0;
-}
-
-
-/**
- * camel_file_util_safe_filename:
- * @name: string to 'flattened' into a safe filename
- *
- * 'Flattens' @name into a safe filename string by hex encoding any
- * chars that may cause problems on the filesystem.
- *
- * Returns a safe filename string.
- **/
-char *
-camel_file_util_safe_filename (const char *name)
-{
- if (name == NULL)
- return NULL;
-
- return camel_url_encode(name, "/?()'*");
-}
-
-
-/* FIXME: poll() might be more efficient and more portable? */
-
-/**
- * camel_read:
- * @fd: file descriptor
- * @buf: buffer to fill
- * @n: number of bytes to read into @buf
- *
- * Cancellable libc read() replacement.
- *
- * Returns number of bytes read or -1 on fail. On failure, errno will
- * be set appropriately.
- **/
-ssize_t
-camel_read (int fd, char *buf, size_t n)
-{
- ssize_t nread;
- int cancel_fd;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_fd (NULL);
- if (cancel_fd == -1) {
- do {
- nread = read (fd, buf, n);
- } while (nread == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
- } else {
- int errnosav, flags, fdmax;
- fd_set rdset;
-
- flags = fcntl (fd, F_GETFL);
- fcntl (fd, F_SETFL, flags | O_NONBLOCK);
-
- do {
- FD_ZERO (&rdset);
- FD_SET (fd, &rdset);
- FD_SET (cancel_fd, &rdset);
- fdmax = MAX (fd, cancel_fd) + 1;
-
- nread = -1;
- if (select (fdmax, &rdset, 0, 0, NULL) != -1) {
- if (FD_ISSET (cancel_fd, &rdset)) {
- fcntl (fd, F_SETFL, flags);
- errno = EINTR;
- return -1;
- }
-
- do {
- nread = read (fd, buf, n);
- } while (nread == -1 && errno == EINTR);
- } else if (errno == EINTR) {
- errno = EAGAIN;
- }
- } while (nread == -1 && (errno == EAGAIN || errno == EWOULDBLOCK));
-
- errnosav = errno;
- fcntl (fd, F_SETFL, flags);
- errno = errnosav;
- }
-
- return nread;
-}
-
-
-/**
- * camel_write:
- * @fd: file descriptor
- * @buf: buffer to write
- * @n: number of bytes of @buf to write
- *
- * Cancellable libc write() replacement.
- *
- * Returns number of bytes written or -1 on fail. On failure, errno will
- * be set appropriately.
- **/
-ssize_t
-camel_write (int fd, const char *buf, size_t n)
-{
- ssize_t w, written = 0;
- int cancel_fd;
-
- if (camel_operation_cancel_check (NULL)) {
- errno = EINTR;
- return -1;
- }
-
- cancel_fd = camel_operation_cancel_fd (NULL);
- if (cancel_fd == -1) {
- do {
- do {
- w = write (fd, buf + written, n - written);
- } while (w == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK));
-
- if (w > 0)
- written += w;
- } while (w != -1 && written < n);
- } else {
- int errnosav, flags, fdmax;
- fd_set rdset, wrset;
-
- flags = fcntl (fd, F_GETFL);
- fcntl (fd, F_SETFL, flags | O_NONBLOCK);
-
- fdmax = MAX (fd, cancel_fd) + 1;
- do {
- FD_ZERO (&rdset);
- FD_ZERO (&wrset);
- FD_SET (fd, &wrset);
- FD_SET (cancel_fd, &rdset);
-
- w = -1;
- if (select (fdmax, &rdset, &wrset, 0, NULL) != -1) {
- if (FD_ISSET (cancel_fd, &rdset)) {
- fcntl (fd, F_SETFL, flags);
- errno = EINTR;
- return -1;
- }
-
- do {
- w = write (fd, buf + written, n - written);
- } while (w == -1 && errno == EINTR);
-
- if (w == -1) {
- if (errno == EAGAIN || errno == EWOULDBLOCK) {
- w = 0;
- } else {
- errnosav = errno;
- fcntl (fd, F_SETFL, flags);
- errno = errnosav;
- return -1;
- }
- } else
- written += w;
- } else if (errno == EINTR) {
- w = 0;
- }
- } while (w != -1 && written < n);
-
- errnosav = errno;
- fcntl (fd, F_SETFL, flags);
- errno = errnosav;
- }
-
- if (w == -1)
- return -1;
-
- return written;
-}
-
-/**
- * camel_file_util_savename:
- * @filename:
- *
- * Builds a filename of the form ".#" + @filename, used to create
- * a two-stage commit file write.
- *
- * Return value: ".#" + filename. It must be free'd with g_free().
- **/
-char *
-camel_file_util_savename(const char *filename)
-{
- char *name, *slash;
- int off;
-
- name = g_malloc(strlen(filename)+3);
- slash = strrchr(filename, '/');
- if (slash) {
- off = slash-filename;
-
- memcpy(name, filename, off+1);
- memcpy(name + off+1, ".#", 2);
- strcpy(name + off+3, filename+off+1);
- } else {
- sprintf(name, ".#%s", filename);
- }
-
- return name;
-}
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