diff options
Diffstat (limited to 'tests/test84.c')
-rw-r--r-- | tests/test84.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tests/test84.c b/tests/test84.c new file mode 100644 index 000000000..cbbfdedf7 --- /dev/null +++ b/tests/test84.c @@ -0,0 +1,71 @@ +#include "uthash.h" +#include <stdio.h> +#include <stdlib.h> /* malloc */ + +typedef struct person_t { + char *first_name; + int id; + UT_hash_handle hh; +} person_t; + +int main() +{ + person_t *people=NULL, *person, *new_person, *tmp; + const char **name; + const char * names[] = { "bob", "jack", "gary", "ty", "bo", "phil", "art", + "gil", "buck", "ted", NULL + }; + int id=0; + + for(name=names; *name!=NULL; name++) { + person = (person_t*)malloc(sizeof(person_t)); + if (person == NULL) { + exit(-1); + } + person->first_name = (char*)malloc(10UL); + if (person->first_name == NULL) { + exit(-1); + } + strcpy(person->first_name, *name); + person->id = id++; + HASH_ADD_STR(people,first_name,person); + printf("added %s (id %d)\n", person->first_name, person->id); + } + + person=NULL; + person_t **p=&person; + + for(name=names; *name!=NULL; name++) { + HASH_FIND_STR(people,*name,*p); + if (person != NULL) { + printf("found %s (id %d)\n", person->first_name, person->id); + new_person = (person_t*)malloc(sizeof(person_t)); + if (new_person == NULL) { + exit(-1); + } + new_person->first_name = (char*)malloc(10UL); + if (new_person->first_name == NULL) { + exit(-1); + } + strcpy(new_person->first_name, person->first_name); + new_person->id = person->id*10; + HASH_REPLACE_STR(people,first_name,new_person,tmp); + printf("replaced (%c) with %s (id %d)\n", (tmp!=NULL)?'y':'n', new_person->first_name, new_person->id); + if (tmp != NULL) { + free(tmp->first_name); + free(tmp); + } + } else { + printf("failed to find %s\n", *name); + } + } + + printf("traversing... \n"); + HASH_ITER(hh, people, person, tmp) { + printf("%s (id %d)\n", person->first_name, person->id); + HASH_DEL(people,person); + free(person->first_name); + free(person); + } + return 0; +} |