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Do not crash if the environment variable is present but empty.

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This commit is contained in:
nicm 2019-06-13 21:24:09 +00:00
parent b8a9c740bb
commit eef11b64e1
1 changed files with 1 additions and 1 deletions
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2
format.c
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@ -1097,7 +1097,7 @@ format_find(struct format_tree *ft, const char *key, int modifiers)
envent = environ_find(ft->s->environ, key);
if (envent == NULL)
envent = environ_find(global_environ, key);
if (envent != NULL) {
if (envent != NULL && envent->value != NULL) {
found = xstrdup(envent->value);
goto found;
}