# HG changeset patch
# User lost
# Date 1231012230 0
# Node ID 7eafdb3a8074880ac2fbf37b45283d4c65638983
# Parent  d2cee0c335e7861749d2623e3f6a7860df30406b
Fixed symbol parsing to prevent string overflow

diff -r d2cee0c335e7 -r 7eafdb3a8074 src/expr.c
--- a/src/expr.c	Sat Jan 03 19:41:39 2009 +0000
+++ b/src/expr.c	Sat Jan 03 19:50:30 2009 +0000
@@ -390,8 +390,8 @@
 		char *sb;
 		
 		// evaluate a symbol here
-		static const char *symchars = "_.$@\\abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-		while (strchr(symchars, (*p)[l]))
+		static const char *symchars = "_.$@?abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+		while ((*p)[l] && strchr(symchars, (*p)[l]))
 			l++;
 
 		if (l == 0)
@@ -403,8 +403,9 @@
 		t = lwasm_expr_term_create_sym(sb);
 		lwasm_expr_stack_push(s, t);
 		lwasm_expr_term_free(t);
+		(*p) += l;
+		debug_message(3, "Symbol: '%s'; (%s)", sb, *p);
 		lwasm_free(sb);
-		(*p) += l;
 		return 0;
 	}