Added tag 0.9 for changeset fae61afa861755636c4a1070694209ace8efbb6c

[dwm.git] / util.c

diff --git a/util.c b/util.c
index eba8416..2414b39 100644 (file)
--- a/util.c
+++ b/util.c
@@ -2,37 +2,48 @@
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */
  * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
  * See LICENSE file for license details.
  */

-
+#include "dwm.h"

 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>

-#include <sys/types.h>

 #include <sys/wait.h>
 #include <unistd.h>
 
 #include <sys/wait.h>
 #include <unistd.h>
 

-#include "dwm.h"
-
-void
-error(const char *errstr, ...) {
-       va_list ap;
-       va_start(ap, errstr);
-       vfprintf(stderr, errstr, ap);
-       va_end(ap);
-       exit(1);
-}
+/* static */

 
 static void
 bad_malloc(unsigned int size)
 {
 
 static void
 bad_malloc(unsigned int size)
 {

-       fprintf(stderr, "fatal: could not malloc() %d bytes\n",
-                       (int) size);
-       exit(1);
+       eprint("fatal: could not malloc() %u bytes\n", size);

 }
 
 }
 

+/* extern */
+

 void *
 emallocz(unsigned int size)
 {
        void *res = calloc(1, size);
 void *
 emallocz(unsigned int size)
 {
        void *res = calloc(1, size);

+
+       if(!res)
+               bad_malloc(size);
+       return res;
+}
+
+void
+eprint(const char *errstr, ...)
+{
+       va_list ap;
+
+       va_start(ap, errstr);
+       vfprintf(stderr, errstr, ap);
+       va_end(ap);
+       exit(EXIT_FAILURE);
+}
+
+void *
+erealloc(void *ptr, unsigned int size)
+{
+       void *res = realloc(ptr, size);

        if(!res)
                bad_malloc(size);
        return res;
        if(!res)
                bad_malloc(size);
        return res;


@@ -41,19 +52,23 @@ emallocz(unsigned int size)
 void
 spawn(Arg *arg)
 {
 void
 spawn(Arg *arg)
 {

-       char **argv = (char **)arg->argv;
-       if(!argv || !argv[0])
+       static char *shell = NULL;
+
+       if(!shell && !(shell = getenv("SHELL")))
+               shell = "/bin/sh";
+
+       if(!arg->cmd)

                return;
        if(fork() == 0) {
                if(fork() == 0) {
                        if(dpy)
                                close(ConnectionNumber(dpy));
                        setsid();
                return;
        if(fork() == 0) {
                if(fork() == 0) {
                        if(dpy)
                                close(ConnectionNumber(dpy));
                        setsid();

-                       execvp(argv[0], argv);
-                       fprintf(stderr, "dwm: execvp %s", argv[0]);
+                       execl(shell, shell, "-c", arg->cmd, NULL);
+                       fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);

                        perror(" failed");
                }
                        perror(" failed");
                }

-               exit (0);
+               exit(0);

        }
        wait(0);
 }
        }
        wait(0);
 }