oblique_mc

Commit: e61932fff7f8f64383ef88e70006a399f64409c1
Parent: 74d39ebcf070926907c079a18022d1a7aef8a72b
Author: Randy Palamar
Date:   Fri, 12 Apr 2024 15:07:34 -0600

allow output prefix to be specified in config.h

Diffstat:
M
config.def.h
 | 
4
++++
M
mc.c
 | 
10
++++++----

2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/config.def.h b/config.def.h
@@ -1,5 +1,9 @@
 /* global data that will not be modified at runtime */
 
+/* optional prefix to append to output files. if specified
+ * as {} a prefix must be specified on command line */
+static s8 g_output_prefix = s8("out/ex");
+
 /* simulation output extent [cm] */
 static Rect g_extent = {
 	.top   = 1.5,
diff --git a/mc.c b/mc.c
@@ -554,9 +554,11 @@ print_progress(time_t start)
 int
 main(int argc, char *argv[])
 {
-	if (argc != 2)
-		die("usage: %s output_prefix\n", argv[0]);
-	s8 pre = (s8){.data = (u8 *)argv[1], .len = c_str_len(argv[1])};
+	if (argv[1])
+		g_output_prefix = (s8){(u8 *)argv[1], c_str_len(argv[1])};
+	if (g_output_prefix.len == 0)
+		die("usage: %s [output_prefix]\n", argv[0]);
+
 	/* TODO: check if prefix contains directories and ensure they exist */
 
 	init();
@@ -609,7 +611,7 @@ main(int argc, char *argv[])
 
 	pthread_mutex_destroy(&completed_photons.lock);
 
-	dump_output(pre, Rd_xy_out);
+	dump_output(g_output_prefix, Rd_xy_out);
 
 	return 0;
 }