diff options
author | Toni Uhlig <matzeton@googlemail.com> | 2020-12-01 13:33:34 +0100 |
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committer | Toni Uhlig <matzeton@googlemail.com> | 2020-12-01 13:33:34 +0100 |
commit | c8bf38e5fb717d40635a2a89b22ed71b0de4266b (patch) | |
tree | 63751b2f5497c6f99e1c6a78f23a8e6e5c49833f /tests/test59.c |
Squashed 'dependencies/uthash/' content from commit 8e67ced
git-subtree-dir: dependencies/uthash
git-subtree-split: 8e67ced1d1c5bd8141c542a22630e6de78aa6b90
Diffstat (limited to 'tests/test59.c')
-rw-r--r-- | tests/test59.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/test59.c b/tests/test59.c new file mode 100644 index 000000000..f353ae164 --- /dev/null +++ b/tests/test59.c @@ -0,0 +1,57 @@ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include "uthash.h" + +/* hash of hashes */ +typedef struct item { + char name[10]; + struct item *sub; + int val; + UT_hash_handle hh; +} item_t; + +int main() +{ + item_t *item1, *item2, *tmp1, *tmp2; + item_t *items=NULL; + + /* make initial element */ + item_t *i = (item_t *)malloc(sizeof(*i)); + if (i == NULL) { + exit(-1); + } + strcpy(i->name, "bob"); + i->sub = NULL; + i->val = 0; + HASH_ADD_STR(items, name, i); + + /* add a sub hash table off this element */ + item_t *s = (item_t *)malloc(sizeof(*s)); + if (s == NULL) { + exit(-1); + } + strcpy(s->name, "age"); + s->sub = NULL; + s->val = 37; + HASH_ADD_STR(i->sub, name, s); + + /* iterate over hash elements */ + HASH_ITER(hh, items, item1, tmp1) { + HASH_ITER(hh, item1->sub, item2, tmp2) { + printf("$items{%s}{%s} = %d\n", item1->name, item2->name, item2->val); + } + } + + /* clean up both hash tables */ + HASH_ITER(hh, items, item1, tmp1) { + HASH_ITER(hh, item1->sub, item2, tmp2) { + HASH_DEL(item1->sub, item2); + free(item2); + } + HASH_DEL(items, item1); + free(item1); + } + + return 0; +} |