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/* -*- linux-c -*- */
/** @file map-str.c
* @brief Map functions to set and get strings
*/
/* from map.c */
void str_copy(char *dest, char *src);
void str_add(void *dest, char *val)
{
char *dst = (char *)dest;
int len = strlen(val);
int len1 = strlen(dst);
int num = MAP_STRING_LENGTH - 1 - len1;
if (len > num)
len = num;
strncpy (&dst[len1], val, len);
dst[len + len1] = 0;
}
void __stp_map_set_str (MAP map, char *val, int add)
{
struct map_node *m;
if (map == NULL)
return;
if (map->create) {
if (val == 0 && !map->no_wrap)
return;
m = __stp_map_create (map);
if (!m)
return;
/* set the value */
//dbug ("m=%lx offset=%lx\n", (long)m, (long)map->data_offset);
str_copy((void *)((long)m + map->data_offset), val);
} else {
if (map->key == NULL)
return;
if (val) {
if (add)
str_add((void *)((long)map->key + map->data_offset), val);
else
str_copy((void *)((long)map->key + map->data_offset), val);
} else if (!add) {
/* setting value to 0 is the same as deleting */
_stp_map_key_del(map);
}
}
}
/** Set the current element's value to a string.
* This sets the current element's value to a string. The map must have been created
* to hold strings using <i>_stp_map_new(xxx, STRING)</i>
*
* If the element doesn't exist, it is created. If no current element (key)
* is set for the map, this function does nothing.
* @param map
* @param str String containing new value.
* @sa _stp_map_set()
* @ingroup map_set
*/
#define _stp_map_set_str(map,val) __stp_map_set_str(map,val,0)
/** Add to the current element's string value.
* This sets the current element's value to a string consisting of the old
* contents followed by the new string. The map must have been created
* to hold strings using <i>_stp_map_new(xxx, STRING)</i>
*
* If the element doesn't exist, it is created. If no current element (key)
* is set for the map, this function does nothing.
* @param map
* @param val String containing value to append.
* @ingroup map_set
*/
#define _stp_map_add_str(map,val) __stp_map_set_str(map,val,1)
/** Get the current element's string value.
* This gets the current element's string value. The map must have been created
* to hold strings using <i>_stp_map_new(xxx, STRING)</i>
*
* If no current element (key) is set for the map, this function
* returns NULL.
* @param map
* @sa _stp_map_set()
* @ingroup map_set
*/
char *_stp_map_get_str (MAP map)
{
struct map_node *m;
if (map == NULL || map->create || map->key == NULL)
return 0;
//dbug ("key %lx\n", (long)map->key);
m = (struct map_node *)map->key;
return (char *)((long)m + map->data_offset);
}
/** Set the current element's value to String.
* This sets the current element's value to a String. The map must have been created
* to hold strings using <i>_stp_map_new(xxx, STRING)</i>
*
* If the element doesn't exist, it is created. If no current element (key)
* is set for the map, this function does nothing.
* @param map
* @param str String containing new value.
* @sa _stp_map_set()
* @ingroup map_set
*/
void _stp_map_set_string (MAP map, String str)
{
__stp_map_set_str (map, str->buf, 0);
}
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