-/*
- * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
+/* See LICENSE file for copyright and license details. */
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <X11/Xatom.h>
#include "util.h"
void
-error(char *errstr, ...) {
+die(const char *errstr, ...) {
va_list ap;
+
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
- exit(1);
-}
-
-static void
-bad_malloc(unsigned int size)
-{
- fprintf(stderr, "fatal: could not malloc() %d bytes\n",
- (int) size);
- exit(1);
-}
-
-void *
-emallocz(unsigned int size)
-{
- void *res = calloc(1, size);
- if(!res)
- bad_malloc(size);
- return res;
-}
-
-void *
-emalloc(unsigned int size)
-{
- void *res = malloc(size);
- if(!res)
- bad_malloc(size);
- return res;
-}
-
-void *
-erealloc(void *ptr, unsigned int size)
-{
- void *res = realloc(ptr, size);
- if(!res)
- bad_malloc(size);
- return res;
-}
-
-char *
-estrdup(const char *str)
-{
- void *res = strdup(str);
- if(!res)
- bad_malloc(strlen(str));
- return res;
-}
-
-void
-failed_assert(char *a, char *file, int line)
-{
- fprintf(stderr, "Assertion \"%s\" failed at %s:%d\n", a, file, line);
- abort();
+ exit(EXIT_FAILURE);
}
-void
-swap(void **p1, void **p2)
-{
- void *tmp = *p1;
- *p1 = *p2;
- *p2 = tmp;
-}
-
-void
-spawn(Display *dpy, char *argv[])
-{
- if(!argv || !argv[0])
- return;
- if(fork() == 0) {
- if(fork() == 0) {
- if(dpy)
- close(ConnectionNumber(dpy));
- setsid();
- execvp(argv[0], argv);
- fprintf(stderr, "gridwm: execvp %s", argv[0]);
- perror(" failed");
- }
- exit (0);
- }
- wait(0);
-}
-
-void
-pipe_spawn(char *buf, unsigned int len, Display *dpy, char *argv[])
-{
- unsigned int l, n;
- int pfd[2];
-
- if(!argv || !argv[0])
- return;
-
- if(pipe(pfd) == -1) {
- perror("pipe");
- exit(1);
- }
-
- if(fork() == 0) {
- if(dpy)
- close(ConnectionNumber(dpy));
- setsid();
- dup2(pfd[1], STDOUT_FILENO);
- close(pfd[0]);
- close(pfd[1]);
- execvp(argv[0], argv);
- fprintf(stderr, "gridwm: execvp %s", argv[0]);
- perror(" failed");
- }
- else {
- n = 0;
- close(pfd[1]);
- while(l > n) {
- if((l = read(pfd[0], buf + n, len - n)) < 1)
- break;
- n += l;
- }
- close(pfd[0]);
- buf[n - 1] = 0;
- }
- wait(0);
-}
-
-
-unsigned char *
-getselection(unsigned long offset, unsigned long *len, unsigned long *remain)
-{
- Display *dpy;
- Atom xa_clip_string;
- Window w;
- XEvent ev;
- Atom typeret;
- int format;
- unsigned char *data;
- unsigned char *result = NULL;
-
- dpy = XOpenDisplay(0);
- if(!dpy)
- return NULL;
- xa_clip_string = XInternAtom(dpy, "_SEL_STRING", False);
- w = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 10, 10, 200, 200,
- 1, CopyFromParent, CopyFromParent);
- XConvertSelection(dpy, XA_PRIMARY, XA_STRING, xa_clip_string,
- w, CurrentTime);
- XFlush(dpy);
- XNextEvent(dpy, &ev);
- if(ev.type == SelectionNotify && ev.xselection.property != None) {
- XGetWindowProperty(dpy, w, ev.xselection.property, offset, 4096L, False,
- AnyPropertyType, &typeret, &format, len, remain, &data);
- if(*len) {
- result = emalloc(sizeof(unsigned char) * *len);
- memcpy(result, data, *len);
- }
- XDeleteProperty(dpy, w, ev.xselection.property);
- }
- XDestroyWindow(dpy, w);
- XCloseDisplay(dpy);
- return result;
-}