This patch might actually be more security concious:
--- fileio.c.orig 2004-01-06 17:19:43.000000000 -0800
+++ fileio.c 2004-01-06 17:19:12.000000000 -0800
@@ -199,6 +199,7 @@
{
const char *src = *start, *var;
char variable[1024];
+ char variable2[1024];
char *dest = variable;
/* copy until we hit the end or until we hit a non-variable character
*/
@@ -215,7 +216,8 @@
/* return the actual variable value */
var = getenv(variable);
- return (var) ? var : "";
+ snprintf(variable2, 1024, "$%s", variable);
+ return (var) ? var : variable2;
}
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