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authorVito Caputo <vcaputo@pengaru.com>2018-02-17 20:56:22 -0800
committerVito Caputo <vcaputo@pengaru.com>2018-02-20 13:58:18 -0800
commit7cccd01fe2f56a4e1805ab7b1cb3a4ee1f852b21 (patch)
treeefc1758e3a4c35f935061deb53d42d68e183c3e0 /src/rototiller.c
parente223dd74bf9ffd4dee0bcbf5f3cee07643406579 (diff)
rototiller: rudimentary argv parsing scaffolding
Nothing wired up yet.
Diffstat (limited to 'src/rototiller.c')
-rw-r--r--src/rototiller.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/rototiller.c b/src/rototiller.c
index fb54694..9362d19 100644
--- a/src/rototiller.c
+++ b/src/rototiller.c
@@ -1,3 +1,4 @@
+#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -83,6 +84,48 @@ static void module_render_page(rototiller_module_t *module, void *context, threa
}
+typedef struct argv_t {
+ const char *module;
+ const char *video;
+
+ unsigned defaults:1;
+ unsigned help:1;
+} argv_t;
+
+/*
+ * ./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 parse_argv(int argc, const char *argv[], argv_t *res_args)
+{
+ int i;
+
+ assert(argc > 0);
+ assert(argv);
+ assert(res_args);
+
+ /* this is intentionally being kept very simple, no new dependencies like getopt. */
+
+ for (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->defaults = 1;
+ } else if (!strcmp("--help", argv[i])) {
+ res_args->help = 1;
+ } else {
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+
int main(int argc, const char *argv[])
{
int drm_fd;
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