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Diffstat (limited to 'src/H5Pint.c')
| -rw-r--r-- | src/H5Pint.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/H5Pint.c b/src/H5Pint.c index e1b20a5..b07f42d 100644 --- a/src/H5Pint.c +++ b/src/H5Pint.c @@ -3061,6 +3061,116 @@ done: /*-------------------------------------------------------------------------- NAME + H5P__class_get + PURPOSE + Internal routine to get a property's value from a property class. + USAGE + herr_t H5P__class_get(pclass, name, value) + const H5P_genclass_t *pclass; IN: Property class to find property in + const char *name; IN: Name of property to get + void *value; IN: Pointer to the value for the property + RETURNS + Returns non-negative on success, negative on failure. + DESCRIPTION + Gets the current value for a property in a property class. The property + name must exist or this routine will fail. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + The 'get' callback routine registered for this property will _NOT_ be + called, this routine is designed for internal library use only! + + This routine may not be called for zero-sized properties and will + return an error in that case. + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +herr_t +H5P__class_get(const H5P_genclass_t *pclass, const char *name, void *value) +{ + H5P_genprop_t *prop; /* Temporary property pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* Sanity check */ + HDassert(pclass); + HDassert(name); + HDassert(value); + + /* Find property in list */ + if(NULL == (prop = (H5P_genprop_t *)H5SL_search(pclass->props, name))) + HGOTO_ERROR(H5E_PLIST, H5E_NOTFOUND, FAIL, "property doesn't exist") + + /* Check for property size >0 */ + if(0 == prop->size) + HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "property has zero size") + + /* Copy the property value */ + HDmemcpy(value, prop->value, prop->size); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5P__class_get() */ + + +/*-------------------------------------------------------------------------- + NAME + H5P__class_set + PURPOSE + Internal routine to set a property's value in a property class. + USAGE + herr_t H5P__class_set(pclass, name, value) + const H5P_genclass_t *pclass; IN: Property class to find property in + const char *name; IN: Name of property to set + const void *value; IN: Pointer to the value for the property + RETURNS + Returns non-negative on success, negative on failure. + DESCRIPTION + Sets a new value for a property in a property class. The property name + must exist or this routine will fail. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + The 'set' callback routine registered for this property will _NOT_ be + called, this routine is designed for internal library use only! + + This routine may not be called for zero-sized properties and will + return an error in that case. + + The previous value is overwritten, not released in any way. + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +herr_t +H5P__class_set(const H5P_genclass_t *pclass, const char *name, const void *value) +{ + H5P_genprop_t *prop; /* Temporary property pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* Sanity check */ + HDassert(pclass); + HDassert(name); + HDassert(value); + + /* Find property in list */ + if(NULL == (prop = (H5P_genprop_t *)H5SL_search(pclass->props, name))) + HGOTO_ERROR(H5E_PLIST, H5E_NOTFOUND, FAIL, "property doesn't exist") + + /* Check for property size >0 */ + if(0 == prop->size) + HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "property has zero size") + + /* Copy the property value */ + HDmemcpy(prop->value, value, prop->size); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5P__class_set() */ + + +/*-------------------------------------------------------------------------- + NAME H5P_exist_plist PURPOSE Internal routine to query the existance of a property in a property list. |