env: re-add support for auto-completion
Currently, only basic completion is supported (no globs), but this is
what we had previously.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/lib/hashtable.c b/lib/hashtable.c
index b47f3b6..9f069c0 100644
--- a/lib/hashtable.c
+++ b/lib/hashtable.c
@@ -202,6 +202,26 @@
* 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)
{
diff --git a/lib/qsort.c b/lib/qsort.c
index e771dcf..1cc0d31 100644
--- a/lib/qsort.c
+++ b/lib/qsort.c
@@ -16,6 +16,7 @@
* bcc and gcc. */
#include <linux/types.h>
+#include <exports.h>
#if 0
#include <assert.h>
#else
@@ -67,3 +68,8 @@
} while (wgap);
}
}
+
+int strcmp_compar(const void *p1, const void *p2)
+{
+ return strcmp(*(const char **)p1, *(const char **)p2);
+}