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/* Copyright (c) 2013, Bastien Dejean
* 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 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "sxhkd.h"
void warn(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
__attribute__((noreturn))
void err(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
void run(char *command, bool sync)
{
char *cmd[] = {shell, "-c", command, NULL};
spawn(cmd, sync);
}
void spawn(char *cmd[], bool sync)
{
if (fork() == 0) {
if (dpy != NULL)
close(xcb_get_file_descriptor(dpy));
if (sync) {
execute(cmd);
} else {
if (fork() == 0) {
execute(cmd);
}
exit(EXIT_SUCCESS);
}
}
wait(NULL);
}
void execute(char *cmd[])
{
setsid();
if (redir_fd != -1) {
dup2(redir_fd, STDOUT_FILENO);
dup2(redir_fd, STDERR_FILENO);
}
execvp(cmd[0], cmd);
err("Spawning failed.\n");
}
char *lgraph(char *s)
{
size_t len = strlen(s);
unsigned int i = 0;
while (i < len && !isgraph(s[i]))
i++;
if (i < len)
return (s + i);
else
return NULL;
}
char *rgraph(char *s)
{
int i = strlen(s) - 1;
while (i >= 0 && !isgraph(s[i]))
i--;
if (i >= 0)
return (s + i);
else
return NULL;
}