shithub: scc

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Fix local() and global() allocation bug

The number of records were not stored in the variables for them,
so the allocation was always done, generating a segmentation fault
in some cases.

--- a/cc2/parser.c

+++ b/cc2/parser.c

@@ -76,8 +76,10 @@

 	if (i >= NR_INT_IDENT)

 		error(EINTNUM);

-	if (i >= nr)

-		localtbl = xrealloc(localtbl, i+1);

+	if (i > nr) {

+		nr = i + 5;

+		localtbl = xrealloc(localtbl, nr);

+	}

 	return &localtbl[i];

 }

@@ -89,8 +91,10 @@

 	if (i >= NR_EXT_IDENT)

 		error(EEXTNUM);

-	if (i >= nr)

-		globaltbl = xrealloc(globaltbl, i+1);

+	if (i >= nr) {

+		nr = i + 5;

+		globaltbl = xrealloc(globaltbl, nr);

+	}

 	return &globaltbl[i];

 }