go-libzfs/common.c

80 lines
1.4 KiB
C

#include <libzfs.h>
#include <memory.h>
#include <string.h>
#include <stdio.h>
#include "common.h"
libzfs_handle_ptr libzfsHandle;
int go_libzfs_init() {
libzfsHandle = libzfs_init();
return 0;
}
int libzfs_last_error() {
return libzfs_errno(libzfsHandle);
}
const char *libzfs_last_error_str() {
return libzfs_error_description(libzfsHandle);
}
int libzfs_clear_last_error() {
zfs_standard_error(libzfsHandle, EZFS_SUCCESS, "success");
return 0;
}
property_list_t *new_property_list() {
property_list_t *r = malloc(sizeof(property_list_t));
memset(r, 0, sizeof(property_list_t));
return r;
}
void free_properties(property_list_t *root) {
if (root != 0) {
property_list_t *tmp = 0;
do {
tmp = root->pnext;
free(root);
root = tmp;
} while(tmp);
}
}
nvlist_ptr new_property_nvlist() {
nvlist_ptr props = NULL;
int r = nvlist_alloc(&props, NV_UNIQUE_NAME, 0);
if ( r != 0 ) {
return NULL;
}
return props;
}
int property_nvlist_add(nvlist_ptr list, const char *prop, const char *value) {
return nvlist_add_string(list, prop, value);
}
int redirect_libzfs_stdout(int to) {
int save, res;
save = dup(STDOUT_FILENO);
if (save < 0) {
return save;
}
res = dup2(to, STDOUT_FILENO);
if (res < 0) {
return res;
}
return save;
}
int restore_libzfs_stdout(int saved) {
int res;
fflush(stdout);
res = dup2(saved, STDOUT_FILENO);
if (res < 0) {
return res;
}
close(saved);
}