experiments/clixon
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* Full support of XPATH 1.0 according to https://www.w3.org/TR/xpath-10 using yacc/lex

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* The previous XPATH imlementation was very restricted.
  * The only function implemented is the Yang extension "current()". No other functions are implemented (eg last(), count()).
This commit is contained in:
Olof hagsand 2018-07-16 16:13:31 +02:00
parent 60ce7b12bd
commit bf728b37b8
26 changed files with 2856 additions and 481 deletions
Download patch file Download diff file Expand all files Collapse all files

38
lib/src/clixon_hash.c
View file

@ -52,24 +52,24 @@
* clicon_hash_t *hash = hash_init();
*
* n = 234;
* hash_add (hash, "APA", &n, sizeof(n));
* hash_add(hash, "APA", &n, sizeof(n));
* hash_dump(hash, stdout);
*
* puts("----");
*
* hash_add (hash, "BEPA", "hoppla Polle!", strlen("hoppla Polle!")+1);
* hash_add(hash, "BEPA", "hoppla Polle!", strlen("hoppla Polle!")+1);
* puts((char *)hash_value(hash, "BEPA", NULL));
* hash_dump(hash, stdout);
*
* puts("----");
*
* n = 33;
* hash_add (hash, "CEPA", &n, sizeof(n));
* hash_add(hash, "CEPA", &n, sizeof(n));
* hash_dump(hash, stdout);
*
* puts("----");
*
* hash_del (hash, "APA");
* hash_del(hash, "APA");
* hash_dump(hash, stdout);
*
* hash_free(hash);
@ -118,11 +118,11 @@ hash_init (void)
{
clicon_hash_t *hash;
if ((hash = (clicon_hash_t *)malloc (sizeof (clicon_hash_t) * HASH_SIZE)) == NULL){
if ((hash = (clicon_hash_t *)malloc(sizeof(clicon_hash_t) * HASH_SIZE)) == NULL){
clicon_err(OE_UNIX, errno, "malloc: %s", strerror(errno));
return NULL;
}
memset (hash, 0, sizeof(clicon_hash_t)*HASH_SIZE);
memset(hash, 0, sizeof(clicon_hash_t)*HASH_SIZE);
return hash;
}
@ -167,7 +167,7 @@ hash_lookup(clicon_hash_t *hash,
h = hash[bkt];
if (h) {
do {
if (!strcmp (h->h_key, key))
if (!strcmp(h->h_key, key))
return h;
h = NEXTQ(clicon_hash_t, h);
} while (h != hash[bkt]);
@ -218,15 +218,15 @@ hash_add(clicon_hash_t *hash,
clicon_hash_t new = NULL;
/* If variable exist, don't allocate a new. just replace value */
h = hash_lookup (hash, key);
h = hash_lookup(hash, key);
if (h == NULL) {
if ((new = (clicon_hash_t)malloc (sizeof (*new))) == NULL){
if ((new = (clicon_hash_t)malloc(sizeof(*new))) == NULL){
clicon_err(OE_UNIX, errno, "malloc: %s", strerror(errno));
goto catch;
}
memset (new, 0, sizeof (*new));
memset(new, 0, sizeof(*new));
new->h_key = strdup (key);
new->h_key = strdup(key);
if (new->h_key == NULL){
clicon_err(OE_UNIX, errno, "strdup: %s", strerror(errno));
goto catch;
@ -241,11 +241,11 @@ hash_add(clicon_hash_t *hash,
clicon_err(OE_UNIX, errno, "malloc: %s", strerror(errno));
goto catch;
}
memcpy (newval, val, vlen);
memcpy(newval, val, vlen);
/* Free old value if existing variable */
if (h->h_val)
free (h->h_val);
free(h->h_val);
h->h_val = newval;
h->h_vlen = vlen;
@ -258,8 +258,8 @@ hash_add(clicon_hash_t *hash,
catch:
if (new) {
if (new->h_key)
free (new->h_key);
free (new);
free(new->h_key);
free(new);
}
return NULL;
@ -279,15 +279,15 @@ hash_del(clicon_hash_t *hash,
{
clicon_hash_t h;
h = hash_lookup (hash, key);
h = hash_lookup(hash, key);
if (h == NULL)
return -1;
DELQ(h, hash[hash_bucket(key)], clicon_hash_t);
free (h->h_key);
free (h->h_val);
free (h);
free(h->h_key);
free(h->h_val);
free(h);
return 0;
}