Add the -C command-line option, which allows arbitrary \cfg

directives to be supplied on the Halibut command line.

[originally from svn r4013]

1 files changed, 3 insertions, 1 deletions

diff --git a/error.c b/error.c
index bf16504..5819e00 100644
--- a/error.c
+++ b/error.c
@@ -211,7 +211,9 @@ static void do_error(int code, va_list ap) {
     if (flags & PREFIX)
 	fputs("halibut: ", stderr);
     if (flags & FILEPOS) {
-	fprintf(stderr, "%s:%d:", fpos.filename, fpos.line);
+	fprintf(stderr, "%s:", fpos.filename);
+	if (fpos.line > 0)
+	    fprintf(stderr, "%d:", fpos.line);
 	if (fpos.col > 0)
 	    fprintf(stderr, "%d:", fpos.col);
 	fputc(' ', stderr);