X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/d6e0e6e9879c144f5d374fca0c015fd6208fc27e..b1701adf75297747c52e0c3ed2c314cd10129907:/util.c

diff --git a/util.c b/util.c
index 9da8f52..3f41b3c 100644
--- a/util.c
+++ b/util.c
@@ -126,13 +126,14 @@ pipe_spawn(char *buf, unsigned int len, Display *dpy, char *argv[])
 		perror(" failed");
 	}
 	else {
-		n = 0;
+		l = n = 0;
 		close(pfd[1]);
-		while(l > n) {
+		while(n < len) {
 			if((l = read(pfd[0], buf + n, len - n)) < 1)
 				break;
 			n += l;
 		}
+		while(l > n);
 		close(pfd[0]);
 		buf[n < len ? n : len - 1] = 0;
 	}