suckless arguments

snippets/arg.h

@@ -0,0 +1,24 @@
+#ifndef ARG_H
+#define ARG_H
+
+/* int main(int argc, char *argv[]) */
+/* opts (case 'a': break; default: printf("Unknown : %c\n", opt);); */
+
+#define opt argv[optidx][opt_i]
+#define optarg (!argv[optidx + optargidx] ? NULL : (argv[optidx + optargidx++]))
+#define opts(cases)                                                    \
+	do {                                                           \
+		unsigned optargidx, opt_i, optidx;                     \
+		for (optargidx = 1, opt_i = 1, optidx = 1;             \
+		     argv[optidx] && argv[optidx][0] == '-' &&         \
+		     argv[optidx][1] && argv[optidx][1] != '-';        \
+		     optidx += optargidx) {                            \
+			for (opt_i = 1, optargidx = 1; opt; opt_i++) { \
+				switch (opt) {                         \
+					cases                          \
+				}                                      \
+			}                                              \
+		}                                                      \
+	} while (0)
+
+#endif