fixing arg handling in dmenu (thanks to Sander for his report)

config.mk

@@ -1,5 +1,5 @@
 # dmenu version
-VERSION = 1.3
+VERSION = 1.4
 
 # Customize below to fit your system
 

main.c

@@ -286,18 +286,24 @@ main(int argc, char *argv[]) {
 	timeout.tv_sec = 3;
 	/* command line args */
 	for(i = 1; i < argc; i++)
-		if(!strncmp(argv[i], "-font", 6))
+		if(!strncmp(argv[i], "-font", 6)) {
-			font = argv[++i];
+			if(++i < argc) font = argv[i];
-		else if(!strncmp(argv[i], "-normbg", 8))
+		}
-			normbg = argv[++i];
+		else if(!strncmp(argv[i], "-normbg", 8)) {
-		else if(!strncmp(argv[i], "-normfg", 8))
+			if(++i < argc) normbg = argv[i];
-			normfg = argv[++i];
+		}
-		else if(!strncmp(argv[i], "-selbg", 7))
+		else if(!strncmp(argv[i], "-normfg", 8)) {
-			selbg = argv[++i];
+			if(++i < argc) normfg = argv[i];
-		else if(!strncmp(argv[i], "-selfg", 7))
+		}
-			selfg = argv[++i];
+		else if(!strncmp(argv[i], "-selbg", 7)) {
-		else if(!strncmp(argv[i], "-t", 3))
+			if(++i < argc) selbg = argv[i];
-			timeout.tv_sec = atoi(argv[++i]);
+		}
+		else if(!strncmp(argv[i], "-selfg", 7)) {
+			if(++i < argc) selfg = argv[i];
+		}
+		else if(!strncmp(argv[i], "-t", 3)) {
+			if(++i < argc) timeout.tv_sec = atoi(argv[i]);
+		}
 		else if(!strncmp(argv[i], "-v", 3)) {
 			fputs("dmenu-"VERSION", (C)opyright MMVI Anselm R. Garbe\n", stdout);
 			exit(EXIT_SUCCESS);