/*
* calmwm - the calm window manager
*
* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $OpenBSD: util.c,v 1.26 2020/04/16 17:12:49 tobias Exp $
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <err.h>
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "calmwm.h"
static void log_msg(const char *, va_list);
void
u_spawn(char *argstr)
{
switch (fork()) {
case 0:
u_exec(argstr);
exit(1);
case -1:
warn("fork");
default:
break;
}
}
void
u_exec(char *argstr)
{
#define MAXARGLEN 20
char *args[MAXARGLEN], **ap = args;
char **end = &args[MAXARGLEN - 2], *tmp;
char *s = argstr;
while (ap < end && (*ap = strsep(&argstr, " \t")) != NULL) {
if (**ap == '\0')
continue;
ap++;
if (argstr != NULL) {
/* deal with quoted strings */
switch(argstr[0]) {
case '"':
case '\'':
if ((tmp = strchr(argstr + 1, argstr[0]))
!= NULL) {
*(tmp++) = '\0';
*(ap++) = ++argstr;
argstr = tmp;
}
break;
default:
break;
}
}
}
*ap = NULL;
(void)setsid();
(void)execvp(args[0], args);
warn("%s", s);
}
char *
u_argv(char * const *argv)
{
size_t siz = 0;
int i;
char *p;
if (argv == 0)
return NULL;
for (i = 0; argv[i]; i++)
siz += strlen(argv[i]) + 1;
if (siz == 0)
return NULL;
p = xmalloc(siz);
strlcpy(p, argv[0], siz);
for (i = 1; argv[i]; i++) {
strlcat(p, " ", siz);
strlcat(p, argv[i], siz);
}
return p;
}
static void
log_msg(const char *msg, va_list ap)
{
char *fmt;
if (asprintf(&fmt, "%s\n", msg) == -1) {
vfprintf(stderr, msg, ap);
fprintf(stderr, "\n");
} else {
vfprintf(stderr, fmt, ap);
free(fmt);
}
fflush(stderr);
}
void
log_debug(int level, const char *func, const char *msg, ...)
{
char *fmt;
va_list ap;
if (Conf.debug < level)
return;
va_start(ap, msg);
xasprintf(&fmt, "debug%d: %s: %s", level, func, msg);
log_msg(fmt, ap);
free(fmt);
va_end(ap);
}
