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Remove some unused code pointed out by Tito, plus a slightly more graceful

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way of handling endianness.
This commit is contained in:
Rob Landley 2006-04-29 19:11:24 +00:00
parent a3e4f38f7b
commit 5bc3f05a23
1 changed files with 7 additions and 35 deletions
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42
miscutils/hdparm.c
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@ -632,10 +632,8 @@ static void print_ascii(uint16_t *p, uint8_t length) {
intentional. */ intentional. */
static void identify(uint16_t *id_supplied, const char *devname) static void identify(uint16_t *id_supplied, const char *devname)
{ {
uint16_t buf[256];
char *id_file = NULL; uint16_t *val, ii, jj, kk;
FILE *fl;
uint16_t val[256], ii, jj, kk;
uint16_t like_std = 1, std = 0, min_std = 0xffff; uint16_t like_std = 1, std = 0, min_std = 0xffff;
uint16_t dev = NO_DEV, eqpt = NO_DEV; uint16_t dev = NO_DEV, eqpt = NO_DEV;
uint8_t have_mode = 0, err_dma = 0; 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; uint32_t ll, mm, nn, oo;
uint64_t bbbig; /* (:) */ uint64_t bbbig; /* (:) */
if (id_supplied) if (BB_BIG_ENDIAN) {
{ swab(id_supplied, buf, sizeof(buf));
#if __BYTE_ORDER == __BIG_ENDIAN val = buf;
swab(id_supplied, val, sizeof(val)); } else val = id_supplied;
#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");
}
chksum &= 0xff; chksum &= 0xff;
/* check if we recognise the device type */ /* check if we recognise the device type */