read stdin into opt array

1 files changed, 31 insertions, 14 deletions

diff --git a/main.c b/main.c
index 111aeed..e48326b 100644
--- a/main.c
+++ b/main.c
@@ -2,7 +2,9 @@
  * a simple fuzzy-selection menu made with Xlib
  */
 
+#include <err.h>
 #include <stdio.h>
+#include <sys/stat.h>
 
 #define ARENA_IMPL
 #define STR_IMPL
@@ -48,22 +50,38 @@ txt_delete(DynStr *s, int i, int n)
 }
 
 int
+read_all(FILE *f, DynStr *out, Arena *a)
+{
+	char buf[256];
+	while (!feof(f)) {
+		size_t n = fread(buf, 1, sizeof buf, f);
+		if (ferror(f)) return -1;
+		DA_APUSH_MULT(out, a, buf, n);
+	}
+	return 0;
+}
+
+int
 main(int argc, char **argv)
 {
 	ui_init(argc, argv);
 
+	Arena a = { 0 };
 	DynStr input = { 0 };
 	int inpi = 0;
 	int seli = 0;
-	Str optv[] = {
-		S("she shit on my thang until i vomit"),
-		S("what"),
-		S("who are you"),
-		S("why are you"),
-		S("where'd you come from")
-	};
-	int optc = sizeof optv / sizeof *optv;
-	if (!optc) goto done;
+
+	UiOpts opt = { 0 };
+	DynStr buf = { 0 };
+	if (read_all(stdin, &buf, &a)) err(1, "stdin");
+	for (Str src = { buf.v, buf.n }; src.n > 0; ) {
+		Cut c = str_cut(src, '\n');
+		DA_APUSH(&opt, &a, c.head);
+		src = c.tail;
+	}
+
+	if (!opt.n) goto done;
+
 	for (UiEvent ev; ui_wait_event(&ev); ) {
 		switch (ev.type) {
 		case UI_KEY_DOWN:
@@ -74,14 +92,14 @@ main(int argc, char **argv)
 				inpi = txt_delete(&input, inpi, 1);
 				goto draw;
 			case UIK_RETURN: {
-				Str o = optv[seli];
+				Str o = opt.v[seli];
 				printf("%.*s\n", (int)o.n, o.s);
 			} goto done;
 			case UIK_DOWN:
-				seli = umod(seli + 1, optc);
+				seli = umod(seli + 1, opt.n);
 				goto draw;
 			case UIK_UP:
-				seli = umod(seli - 1, optc);
+				seli = umod(seli - 1, opt.n);
 				goto draw;
 			case UIK_LEFT:
 				if (inpi > 0) inpi--;
@@ -108,8 +126,7 @@ main(int argc, char **argv)
 				(Str) { input.v, input.n },
 				inpi,
 				seli,
-				optv,
-				optc
+				opt
 			);
 			break;
 		default: