shithub: scc

Info  •  Files  •  Log  •  Branches

Add newline()

This function increment the current line number and check
if the file is too long (more of 65536 lines).

--- a/cc1/lex.c

+++ b/cc1/lex.c

@@ -64,6 +64,13 @@

 	return input->nline;

 }

+static void

+newline(void)

+{

+	if (++input->nline == 0)

+		die("input file too long");

+}

+

 static uint8_t

 integer(char *s, char base)

 {

@@ -181,7 +188,7 @@

 			warn("character constant out of range");

 		break;

 	case '\n':

-		 ++input->nline;

+		newline();

 		if ((c = getchar()) == '\\')

 			goto repeat;

 		break;

@@ -403,7 +410,7 @@

 	while (isspace(c = getchar())) {

 		if (c == '\n')

-			++input->nline;

+			newline();

 	}

 	return c;

 }