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author | Bill Hoffman <bill.hoffman@kitware.com> | 2009-10-30 17:10:56 (GMT) |
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committer | Bill Hoffman <bill.hoffman@kitware.com> | 2009-10-30 17:10:56 (GMT) |
commit | fb51d98562a26b6dcde7d3597938a0b707b6b881 (patch) | |
tree | b42fbfb6b27b7a9e2d5068601f61d80e7033dc79 /Utilities/cmlibarchive/libarchive/archive_write_open_filename.c | |
parent | 0615218bdf3e240e44e539f9eed6c1cf9fbff2d4 (diff) | |
download | CMake-fb51d98562a26b6dcde7d3597938a0b707b6b881.zip CMake-fb51d98562a26b6dcde7d3597938a0b707b6b881.tar.gz CMake-fb51d98562a26b6dcde7d3597938a0b707b6b881.tar.bz2 |
Switch to using libarchive from libtar for cpack and cmake -E tar
This allows for a built in bzip and zip capability, so external tools
will not be needed for these packagers. The cmake -E tar xf should be
able to handle all compression types now as well.
Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_write_open_filename.c')
-rw-r--r-- | Utilities/cmlibarchive/libarchive/archive_write_open_filename.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_write_open_filename.c b/Utilities/cmlibarchive/libarchive/archive_write_open_filename.c new file mode 100644 index 0000000..3c577fa --- /dev/null +++ b/Utilities/cmlibarchive/libarchive/archive_write_open_filename.c @@ -0,0 +1,162 @@ +/*- + * Copyright (c) 2003-2007 Tim Kientzle + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "archive_platform.h" +__FBSDID("$FreeBSD: src/lib/libarchive/archive_write_open_filename.c,v 1.20 2008/02/19 05:46:58 kientzle Exp $"); + +#ifdef HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif +#ifdef HAVE_ERRNO_H +#include <errno.h> +#endif +#ifdef HAVE_FCNTL_H +#include <fcntl.h> +#endif +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#ifdef HAVE_STRING_H +#include <string.h> +#endif +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#include "archive.h" + +#ifndef O_BINARY +#define O_BINARY 0 +#endif + +struct write_file_data { + int fd; + char filename[1]; +}; + +static int file_close(struct archive *, void *); +static int file_open(struct archive *, void *); +static ssize_t file_write(struct archive *, void *, const void *buff, size_t); + +int +archive_write_open_file(struct archive *a, const char *filename) +{ + return (archive_write_open_filename(a, filename)); +} + +int +archive_write_open_filename(struct archive *a, const char *filename) +{ + struct write_file_data *mine; + + if (filename == NULL || filename[0] == '\0') + return (archive_write_open_fd(a, 1)); + + mine = (struct write_file_data *)malloc(sizeof(*mine) + strlen(filename)); + if (mine == NULL) { + archive_set_error(a, ENOMEM, "No memory"); + return (ARCHIVE_FATAL); + } + strcpy(mine->filename, filename); + mine->fd = -1; + return (archive_write_open(a, mine, + file_open, file_write, file_close)); +} + +static int +file_open(struct archive *a, void *client_data) +{ + int flags; + struct write_file_data *mine; + struct stat st; + + mine = (struct write_file_data *)client_data; + flags = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY; + + /* + * Open the file. + */ + mine->fd = open(mine->filename, flags, 0666); + if (mine->fd < 0) { + archive_set_error(a, errno, "Failed to open '%s'", + mine->filename); + return (ARCHIVE_FATAL); + } + + if (fstat(mine->fd, &st) != 0) { + archive_set_error(a, errno, "Couldn't stat '%s'", + mine->filename); + return (ARCHIVE_FATAL); + } + + /* + * Set up default last block handling. + */ + if (archive_write_get_bytes_in_last_block(a) < 0) { + if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode) || + S_ISFIFO(st.st_mode)) + /* Pad last block when writing to device or FIFO. */ + archive_write_set_bytes_in_last_block(a, 0); + else + /* Don't pad last block otherwise. */ + archive_write_set_bytes_in_last_block(a, 1); + } + + /* + * If the output file is a regular file, don't add it to + * itself. If it's a device file, it's okay to add the device + * entry to the output archive. + */ + if (S_ISREG(st.st_mode)) + archive_write_set_skip_file(a, st.st_dev, st.st_ino); + + return (ARCHIVE_OK); +} + +static ssize_t +file_write(struct archive *a, void *client_data, const void *buff, size_t length) +{ + struct write_file_data *mine; + ssize_t bytesWritten; + + mine = (struct write_file_data *)client_data; + bytesWritten = write(mine->fd, buff, length); + if (bytesWritten <= 0) { + archive_set_error(a, errno, "Write error"); + return (-1); + } + return (bytesWritten); +} + +static int +file_close(struct archive *a, void *client_data) +{ + struct write_file_data *mine = (struct write_file_data *)client_data; + + (void)a; /* UNUSED */ + close(mine->fd); + free(mine); + return (ARCHIVE_OK); +} |