suckless arguments

This commit is contained in:
tavo-wasd 2024-05-17 14:27:59 -06:00
parent 78f0d06da3
commit 4b677a3ac8

24
snippets/arg.h Normal file
View file

@ -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