diff options
| -rw-r--r-- | miscutils/hdparm.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c index 754f53201..258655689 100644 --- a/miscutils/hdparm.c +++ b/miscutils/hdparm.c @@ -632,10 +632,8 @@ static void print_ascii(uint16_t *p, uint8_t length) { intentional. */ static void identify(uint16_t *id_supplied, const char *devname) { - - char *id_file = NULL; - FILE *fl; - uint16_t val[256], ii, jj, kk; + uint16_t buf[256]; + uint16_t *val, ii, jj, kk; uint16_t like_std = 1, std = 0, min_std = 0xffff; uint16_t dev = NO_DEV, eqpt = NO_DEV; uint8_t have_mode = 0, err_dma = 0; @@ -643,37 +641,11 @@ static void identify(uint16_t *id_supplied, const char *devname) uint32_t ll, mm, nn, oo; uint64_t bbbig; /* (:) */ - if (id_supplied) - { -#if __BYTE_ORDER == __BIG_ENDIAN - swab(id_supplied, val, sizeof(val)); -#else - memcpy(val, id_supplied, sizeof(val)); -#endif - } - else - { - /* open the file, read in all the info and close it */ - if (devname == NULL) - fl = stdin; - else { - id_file = bb_xasprintf("/proc/ide/%s/identify", devname); - fl = bb_xfopen(id_file, "r"); - } - /* calculate checksum over all bytes */ - for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++) - { - unsigned int scratch; - if(1 != fscanf(fl,"%04x",&scratch)) - break; - val[ii] = (uint16_t)scratch; - chksum += val[ii] + (val[ii] >> 8); - } - bb_fclose_nonstdin(fl); - if (ENABLE_FEATURE_CLEAN_UP) free(id_file); - if(ii < (INTEGRITY+1)) - bb_error_msg_and_die("Input file wrong format or length"); - } + if (BB_BIG_ENDIAN) { + swab(id_supplied, buf, sizeof(buf)); + val = buf; + } else val = id_supplied; + chksum &= 0xff; /* check if we recognise the device type */ |