From fba011bf008443ee5130f1426aa65e11245cd84a Mon Sep 17 00:00:00 2001 From: JP Rosevear Date: Tue, 11 Jan 2005 00:00:07 +0000 Subject: Kill dead files svn path=/trunk/; revision=28342 --- camel/camel-file-utils.c | 555 ----------------------------------------------- 1 file changed, 555 deletions(-) delete mode 100644 camel/camel-file-utils.c (limited to 'camel/camel-file-utils.c') diff --git a/camel/camel-file-utils.c b/camel/camel-file-utils.c deleted file mode 100644 index f04cfa8278..0000000000 --- a/camel/camel-file-utils.c +++ /dev/null @@ -1,555 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- - * - * Authors: - * Michael Zucchi - * Jeffrey Stedfast - * Dan Winship - * - * 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 -#endif - -#include -#include -#include -#include -#include -#include -#include - -#include "camel-file-utils.h" -#include "camel-operation.h" -#include "camel-url.h" - -#ifndef MAX -#define MAX(a,b) ((a) > (b) ? (a) : (b)) -#endif - -#define IO_TIMEOUT (60*4) - -/** - * 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; - } -} - -#define CFU_ENCODE_T(type) \ -int \ -camel_file_util_encode_##type(FILE *out, type value) \ -{ \ - int i; \ - \ - for (i = sizeof (type) - 1; i >= 0; i--) { \ - if (fputc((value >> (i * 8)) & 0xff, out) == -1) \ - return -1; \ - } \ - return 0; \ -} - -#define CFU_DECODE_T(type) \ -int \ -camel_file_util_decode_##type(FILE *in, type *dest) \ -{ \ - type save = 0; \ - int i = sizeof(type) - 1; \ - int v = EOF; \ - \ - while (i >= 0 && (v = fgetc (in)) != EOF) { \ - save |= ((type)v) << (i * 8); \ - i--; \ - } \ - *dest = save; \ - if (v == EOF) \ - return -1; \ - return 0; \ -} - - -/** - * 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. - **/ -CFU_ENCODE_T(time_t) - -/** - * 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. - **/ -CFU_DECODE_T(time_t) - -/** - * 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. - **/ -CFU_ENCODE_T(off_t) - - -/** - * 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. - **/ -CFU_DECODE_T(off_t) - -/** - * camel_file_util_encode_size_t: - * @out: file to output to - * @value: value to output - * - * Encode an size_t type. - * - * Return value: 0 on success, -1 on error. - **/ -CFU_ENCODE_T(size_t) - - -/** - * camel_file_util_decode_size_t: - * @in: file to read from - * @dest: pointer to a variable to put the value in - * - * Decode an size_t type. - * - * Return value: 0 on success, -1 on failure. - **/ -CFU_DECODE_T(size_t) - - -/** - * 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); - - if ((len = strlen (str)) > 65536) - len = 65536; - - 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 { - struct timeval tv; - int res; - - FD_ZERO (&rdset); - FD_SET (fd, &rdset); - FD_SET (cancel_fd, &rdset); - fdmax = MAX (fd, cancel_fd) + 1; - tv.tv_sec = IO_TIMEOUT; - tv.tv_usec = 0; - nread = -1; - - res = select(fdmax, &rdset, 0, 0, &tv); - if (res == -1) - ; - else if (res == 0) - errno = ETIMEDOUT; - else if (FD_ISSET (cancel_fd, &rdset)) { - errno = EINTR; - goto failed; - } else { - do { - nread = read (fd, buf, n); - } while (nread == -1 && errno == EINTR); - } - } while (nread == -1 && (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)); - failed: - 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 { - struct timeval tv; - int res; - - FD_ZERO (&rdset); - FD_ZERO (&wrset); - FD_SET (fd, &wrset); - FD_SET (cancel_fd, &rdset); - tv.tv_sec = IO_TIMEOUT; - tv.tv_usec = 0; - w = -1; - - res = select (fdmax, &rdset, &wrset, 0, &tv); - if (res == -1) { - if (errno == EINTR) - w = 0; - } else if (res == 0) - errno = ETIMEDOUT; - else if (FD_ISSET (cancel_fd, &rdset)) - errno = EINTR; - else { - do { - w = write (fd, buf + written, n - written); - } while (w == -1 && errno == EINTR); - - if (w == -1) { - if (errno == EAGAIN || errno == EWOULDBLOCK) - w = 0; - } else - written += w; - } - } 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; -} -- cgit