scc

commit 7dbb2d53125f9592cf579c0e948c56eb886a8a3c
parent 8e07fdb59f3eaca0e5e8ad160f4d2ae37270360e
Author: Roberto E. Vargas Caballero <k0ga@shike2.net>
Date:   Thu, 29 Jan 2026 20:22:24 +0100

cc1: Use int for namespaces

The code in decl.c was protecting against overflow using INT_MAX,
but the Symbols and types were using unsigned char or char, that
made mismatching when the lookup was performed.

Diffstat:
M
src/cmd/scc-cc/cc1/cc1.h
 | 
4
++--
M
src/cmd/scc-cc/cc1/decl.c
 | 
2
+-

2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/cmd/scc-cc/cc1/cc1.h b/src/cmd/scc-cc/cc1/cc1.h
@@ -312,7 +312,7 @@ struct builtin {
 
 struct type {
 	unsigned char op;           /* type builder operator */
-	unsigned char ns;           /* namespace for struct members */
+	int ns;                     /* namespace for struct members */
 	short id;                   /* type id, used in dcls */
 	char letter;                /* letter of the type */
 	unsigned char prop;         /* type properties */
@@ -335,7 +335,7 @@ struct type {
 struct symbol {
 	unsigned char ctx;
 	unsigned char hide;
-	char ns;
+	int ns;
 	unsigned short id;
 	unsigned short flags;
 	char *name;
diff --git a/src/cmd/scc-cc/cc1/decl.c b/src/cmd/scc-cc/cc1/decl.c
@@ -751,7 +751,7 @@ newtag(void)
 {
 	Symbol *sym;
 	int ns, op, tag = yylval.token;
-	static unsigned tpns = NS_STRUCTS;
+	static int tpns = NS_STRUCTS;
 
 	ns = namespace;
 	namespace = NS_TAG;