0,0 → 1,107 |
/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions are met: |
* |
* Redistributions of source code must retain the above copyright notice, this |
* list of conditions and the following disclaimer. |
* |
* 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. |
* |
* Neither the name of the original program's authors nor the names of its |
* contributors may be used to endorse or promote products derived from this |
* software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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. |
*/ |
|
/* TODO: Options that people would expect, such as not creating the file if |
* it doesn't exist, specifying the access time, etc */ |
|
#include <stdio.h> |
#include <stdlib.h> |
#include <unistd.h> |
#include <fcntl.h> |
#include <dirent.h> |
#include <sys/types.h> |
|
#include "config.h" |
#include "errors.h" |
#include "util.h" |
#include "entry.h" |
#include "touch.h" |
#include "cmds.h" |
|
static char *cmdname = "touch"; |
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/* Dispays help for touch in various levels */ |
void help_cmd_touch(unsigned int level) |
{ |
if (level == HELP_SHORT) { |
printf("`%s' updates access times for files\n", cmdname); |
} else { |
help_cmd_touch(HELP_SHORT); |
printf(" `%s' <file>, if the file does not exist it will be " |
"created\n", cmdname); |
} |
|
return; |
} |
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/* Main entry point for touch, accepts an array of arguments */ |
int cmd_touch(char **argv) |
{ |
unsigned int argc, i = 0, ret = 0; |
int fd; |
char *buff = NULL; |
|
DIR *dirp; |
|
argc = cli_count_args(argv); |
|
if (argc == 1) { |
printf("%s - incorrect number of arguments. Try `help %s extended'\n", |
cmdname, cmdname); |
return CMD_FAILURE; |
} |
|
for (i = 1; i < argc; i ++) { |
buff = cli_strdup(argv[i]); |
dirp = opendir(buff); |
if (dirp) { |
cli_error(CL_ENOTSUP, "%s is a directory", buff); |
closedir(dirp); |
ret ++; |
continue; |
} |
|
fd = open(buff, O_RDWR | O_CREAT); |
if (fd < 0) { |
cli_error(CL_EFAIL, "Could not update / create %s ", buff); |
ret ++; |
continue; |
} else |
close(fd); |
|
free(buff); |
} |
|
if (ret) |
return CMD_FAILURE; |
else |
return CMD_SUCCESS; |
} |
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