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#include <assert.h>
#include <errno.h>
#include <string.h>
#include "til_args.h"
/*
* ./rototiller --video=drm,dev=/dev/dri/card3,connector=VGA-1,mode=640x480@60
* ./rototiller --video=sdl,size=640x480
* ./rototiller --module=roto,foo=bar,module=settings
* ./rototiller --defaults
*/
int til_args_parse(int argc, const char *argv[], til_args_t *res_args)
{
assert(argc > 0);
assert(argv);
assert(res_args);
/* this is intentionally being kept very simple, no new dependencies like getopt. */
for (int i = 1; i < argc; i++) {
if (!strncmp("--video=", argv[i], 8)) {
res_args->video = &argv[i][8];
} else if (!strncmp("--module=", argv[i], 9)) {
res_args->module = &argv[i][9];
} else if (!strcmp("--defaults", argv[i])) {
res_args->use_defaults = 1;
} else if (!strcmp("--help", argv[i])) {
res_args->help = 1;
} else {
return -EINVAL;
}
}
return 0;
}
int til_args_help(FILE *out)
{
return fprintf(out,
" --defaults use defaults for unspecified settings\n"
" --help this help\n"
" --module= module settings\n"
" --video= video settings\n"
);
}
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