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/* Copyright (C) 2001-2005 by Hans Reiser, licensing governed by
reiser4progs/COPYING.
sdext_lw.c -- light weight stat data extension plugin, that implements base
stat data fields. */
#include "sdext_lw.h"
#include <aux/aux.h>
reiser4_core_t *sdext_lw_core = NULL;
/* Loads extension to passed @hint */
static errno_t sdext_lw_open(stat_entity_t *stat, void *hint) {
sdext_lw_t *ext;
sdhint_lw_t *lwh;
aal_assert("umka-1188", stat != NULL);
aal_assert("umka-1189", hint != NULL);
ext = (sdext_lw_t *)stat_body(stat);
lwh = (sdhint_lw_t *)hint;
lwh->mode = sdext_lw_get_mode(ext);
lwh->nlink = sdext_lw_get_nlink(ext);
lwh->size = sdext_lw_get_size(ext);
return 0;
}
static uint32_t sdext_lw_length(stat_entity_t *stat, void *hint) {
return sizeof(sdext_lw_t);
}
static void sdext_lw_info(stat_entity_t *stat) {
sdext_lw_t *ext;
ext = (sdext_lw_t *)stat_body(stat);
stat->info.mode = sdext_lw_get_mode(ext);
}
#ifndef ENABLE_MINIMAL
/* Saves all extension fields from passed @hint to @body. */
static errno_t sdext_lw_init(stat_entity_t *stat, void *hint) {
sdhint_lw_t *lwh;
sdext_lw_t *ext;
aal_assert("umka-1186", stat != NULL);
aal_assert("umka-1187", hint != NULL);
lwh = (sdhint_lw_t *)hint;
ext = (sdext_lw_t *)stat_body(stat);
sdext_lw_set_mode(ext, lwh->mode);
sdext_lw_set_nlink(ext, lwh->nlink);
sdext_lw_set_size(ext, lwh->size);
return 0;
}
extern errno_t sdext_lw_check_struct(stat_entity_t *stat,
repair_hint_t *hint);
extern void sdext_lw_print(stat_entity_t *stat,
aal_stream_t *stream,
uint16_t options);
#endif
reiser4_sdext_plug_t sdext_lw_plug = {
.p = {
.id = {SDEXT_LW_ID, 0, SDEXT_PLUG_TYPE},
#ifndef ENABLE_MINIMAL
.label = "sdext_lw",
.desc = "Light stat data extension plugin.",
#endif
},
#ifndef ENABLE_MINIMAL
.init = sdext_lw_init,
.print = sdext_lw_print,
.check_struct = sdext_lw_check_struct,
#endif
.open = sdext_lw_open,
.info = sdext_lw_info,
.length = sdext_lw_length
};
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