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Clear the environment properly by looping until it is empty rather than

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looping over it (which may skip entries), from Brad King.
This commit is contained in:
nicm
2016-01-15 11:33:41 +00:00
parent 68d797587e
commit d551ab8e5c
1 changed files with 3 additions and 3 deletions
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6
environ.c
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@@ -196,10 +196,10 @@ void
environ_push(struct environ *env) environ_push(struct environ *env)
{ {
struct environ_entry *envent; struct environ_entry *envent;
char **vp, *v; char *v;
for (vp = environ; *vp != NULL; vp++) { while (*environ != NULL) {
v = xstrdup(*vp); v = xstrdup(*environ);
v[strcspn(v, "=")] = '\0'; v[strcspn(v, "=")] = '\0';
unsetenv(v); unsetenv(v);