# HG changeset patch
# User William Astle <lost@l-w.ca>
# Date 1690152149 21600
# Node ID 7627d2b3b81fea65ec342b244e0433bce2777d47
# Parent  3a173cefc814e160a4edd3d54a32699bbc1bab56
Allow using - to refer to standard input for file names

While POSIX-y systems will work with something like /dev/fd/0 to open the
standard input, allowing - as a placeholder for standard input is more
consistent with historical precedent and should be somewhat useful.

diff -r 3a173cefc814 -r 7627d2b3b81f lwasm/input.c
--- a/lwasm/input.c	Thu Jul 06 12:06:22 2023 -0600
+++ b/lwasm/input.c	Sun Jul 23 16:42:29 2023 -0600
@@ -297,7 +297,10 @@
 		
 	case input_type_file:
 		debug_message(as, 1, "Opening (reg): %s\n", s);
-		IS -> data = fopen(s, "rb");
+		if (s[0] == '-' && s[1] == '\0')
+			IS -> data = stdin;
+		else
+			IS -> data = fopen(s, "rb");
 
 		if (!IS -> data)
 		{