shithub: scc

Info  •  Files  •  Log  •  Branches

cc1: Allow empty fname in setloc()

so setloc() must support an empty fname parameter for that case.

--- a/src/cmd/cc/cc1/lex.c

+++ b/src/cmd/cc/cc1/lex.c

@@ -73,13 +73,16 @@

 {

 	size_t len;

-	if ((len = strlen(fname)) >= FILENAME_MAX)

-		die("cc1: %s: file name too long", fname);

-	memmove(filenam, fname, len);

-	filenam[len] = '\0';

+	if (fname) {

+		if ((len = strlen(fname)) >= FILENAME_MAX)

+			die("cc1: %s: file name too long", fname);

+		memmove(filenam, fname, len);

+		filenam[len] = '\0';

-	free(input->filenam);

-	input->filenam = xstrdup(fname);

+		free(input->filenam);

+		input->filenam = xstrdup(fname);

+	}

+

 	lineno = input->lineno = line;

 }