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env: re-add support for auto-completion

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Currently, only basic completion is supported (no globs), but this is
what we had previously.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2010-12-17 16:51:59 -05:00
committed by Wolfgang Denk
parent 42df1e1618
commit 560d424b6d
6 changed files with 50 additions and 27 deletions
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20
lib/hashtable.c
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@ -202,6 +202,26 @@ void hdestroy_r(struct hsearch_data *htab)
* example for functions like hdelete().
*/
int hmatch_r(const char *match, int last_idx, ENTRY ** retval,
struct hsearch_data *htab)
{
unsigned int idx;
size_t key_len = strlen(match);
for (idx = last_idx + 1; idx < htab->size; ++idx) {
if (!htab->table[idx].used)
continue;
if (!strncmp(match, htab->table[idx].entry.key, key_len)) {
*retval = &htab->table[idx].entry;
return idx;
}
}
__set_errno(ESRCH);
*retval = NULL;
return 0;
}
int hsearch_r(ENTRY item, ACTION action, ENTRY ** retval,
struct hsearch_data *htab)
{