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Added "exist" parameter to yang_extension_value()

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This commit is contained in:
Olof hagsand 2021-10-21 21:45:14 +02:00
parent 448aa4c994
commit 063e6d6faa
4 changed files with 36 additions and 28 deletions
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18
lib/src/clixon_yang.c
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@ -3553,15 +3553,20 @@ yang_anydata_add(yang_stmt *yp,
return ys;
}
/*! Find extension argument and return extension argument value
/*! Find extension argument and return if extension exists and its argument value
*
* @param[in] ys Yang statement
* @param[in] name Name of the extension
* @param[in] ns The namespace
* @param[out] exist The extension exists.
* @param[out] value clispec operator (hide/none) - direct pointer into yang, dont free
* @retval 0 OK: Look in exist and value for return value
* @retval -1 Error
* This is for extensions with an argument
* @code
* char *value = NULL;
* if (yang_extension_value(ys, "mymode", "urn:example:lib", &value) < 0)
* int exist = 0;
* if (yang_extension_value(ys, "mymode", "urn:example:lib", &exist, &value) < 0)
* err;
* if (value != NULL){
* // use extension value
@ -3572,6 +3577,7 @@ int
yang_extension_value(yang_stmt *ys,
char *name,
char *ns,
int *exist,
char **value)
{
int retval = -1;
@ -3593,15 +3599,17 @@ yang_extension_value(yang_stmt *ys,
continue;
if (yang_find_prefix_by_namespace(ymod, ns, &prefix) < 0)
goto ok;
cbuf_reset(cb);
cprintf(cb, "%s:%s", prefix, name);
if (strcmp(yang_argument_get(yext), cbuf_get(cb)) != 0)
continue;
break;
}
if (yext != NULL){ /* Found */
if ((cv = yang_cv_get(yext)) == NULL)
goto ok;
if (value)
if (exist)
*exist = 1;
if (value &&
(cv = yang_cv_get(yext)) != NULL)
*value = cv_string_get(cv);
}
ok: