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sched/environ/env_unsetenv.c: Fix a memory leak introduced by the previous commit.

This commit is contained in:
Gregory Nutt 2018-09-30 11:45:59 -06:00
parent d3c2373940
commit af50ab0088
1 changed files with 10 additions and 1 deletions
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11
sched/environ/env_unsetenv.c
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@ -97,11 +97,20 @@ int unsetenv(FAR const char *name)
newsize = group->tg_envsize;
if (newsize <= 0)
{
group->tg_envp = NULL;
/* Free the old environment (if there was one) */
if (group->tg_envp != NULL)
{
kumm_free(group->tg_envp);
group->tg_envp = NULL;
}
group->tg_envsize = 0;
}
else
{
/* Reallocate the environment to reclaim a little memory */
newenvp = (FAR char *)kumm_realloc(group->tg_envp, newsize);
if (newenvp == NULL)
{