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New API call iso_read_opts_auto_input_charset() allows to obtain

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the image tree character set name from root xattr "isofs.cs".
This commit is contained in:
Thomas Schmitt
2009-03-20 17:48:42 +01:00
parent da2619c42a
commit 0402325ec2
6 changed files with 187 additions and 18 deletions
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38
libisofs/node.c
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@ -1375,7 +1375,6 @@ int attrs_cleanout_name(char *del_name, size_t *num_attrs, char **names,
* AA string from where to get the attribute list.
* All other parameter specs apply.
*/
static
int iso_aa_get_attrs(unsigned char *aa_string, size_t *num_attrs,
char ***names, size_t **value_lengths, char ***values, int flag)
{
@ -1447,6 +1446,43 @@ ex:;
}
/* ts A90319 */
/**
* Search given name. Eventually calloc() and copy value. Add trailing 0 byte
* for caller convenience.
*
* @return 1= found , 0= not found , <0 error
*/
int iso_aa_lookup_attr(unsigned char *aa_string, char *name,
size_t *value_length, char **value, int flag)
{
size_t num_attrs = 0, *value_lengths = NULL;
char **names = NULL, **values = NULL;
int i, ret = 0;
ret = iso_aa_get_attrs(aa_string, &num_attrs, &names,
&value_lengths, &values, 0);
for (i = 0; i < num_attrs; i++) {
if (strcmp(names[i], name))
continue;
*value_length = value_lengths[i];
*value = calloc(*value_length + 1, 1);
if (*value == NULL) {
ret = ISO_OUT_OF_MEM;
break;
}
if (*value_length > 0)
memcpy(*value, values[i], *value_length);
(*value)[*value_length] = 0;
ret = 1;
break;
}
iso_aa_get_attrs(aa_string, &num_attrs, &names,
&value_lengths, &values, 1 << 15);
return ret;
}
int iso_node_get_attrs(IsoNode *node, size_t *num_attrs,
char ***names, size_t **value_lengths, char ***values, int flag)
{