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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-09-27 10:20:47 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-09-27 10:20:47 +0000
commit4daad9004d8f07991516970a1cbd77756fae7041 (patch)
treef1a17e4b168ef8fdf8af92ac5ce8deba89d38db2 /miscutils/hdparm.c
parent1acdc89e992eb3f0548ff48ba586b31c9a0ae232 (diff)
downloadbusybox-4daad9004d8f07991516970a1cbd77756fae7041.tar.gz
busybox-4daad9004d8f07991516970a1cbd77756fae7041.tar.bz2
introduce bb_putchar(). saves ~1800 on uclibc (less on glibc).
Diffstat (limited to 'miscutils/hdparm.c')
-rw-r--r--miscutils/hdparm.c113
1 files changed, 51 insertions, 62 deletions
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index b3c240835..396328f72 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -482,19 +482,43 @@ static void print_value_on_off(const char *str, unsigned long argp)
}
#if ENABLE_FEATURE_HDPARM_GET_IDENTITY
-static void print_ascii(uint16_t *p, uint8_t length);
+static void print_ascii(const char *p, int length)
+{
+#if BB_BIG_ENDIAN
+#define LE_ONLY(x)
+ enum { ofs = 0 };
+#else
+#define LE_ONLY(x) x
+ /* every 16bit word is big-endian (i.e. inverted) */
+ /* accessing bytes in 1,0, 3,2, 5,4... sequence */
+ int ofs = 1;
+#endif
+
+ length *= 2;
+ /* find first non-space & print it */
+ while (length && p[ofs] != ' ') {
+ p++;
+ LE_ONLY(ofs = -ofs;)
+ length--;
+ }
+ while (length && p[ofs]) {
+ bb_putchar(p[ofs]);
+ p++;
+ LE_ONLY(ofs = -ofs;)
+ length--;
+ }
+ bb_putchar('\n');
+#undef LE_ONLY
+}
static void xprint_ascii(uint16_t *val, int i, const char *string, int n)
{
if (val[i]) {
printf("\t%-20s", string);
- print_ascii(&val[i], n);
+ print_ascii((void*)&val[i], n);
}
}
-#endif
-/* end of busybox specific stuff */
-#if ENABLE_FEATURE_HDPARM_GET_IDENTITY
static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode)
{
uint16_t ii;
@@ -515,41 +539,11 @@ static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *
return err_dma;
}
-static void print_ascii(uint16_t *p, uint8_t length)
-{
- uint8_t ii;
- char cl;
-
- /* find first non-space & print it */
- for (ii = 0; ii < length; ii++) {
- if ((char)((*p)>>8) != ' ')
- break;
- cl = (char)(*p);
- if (cl != ' ') {
- if (cl != '\0')
- printf("%c", cl);
- p++;
- ii++;
- break;
- }
- p++;
- }
- /* print the rest */
- for (; ii< length; ii++) {
- if (!(*p))
- break; /* some older devices have NULLs */
- printf("%c%c", (char)((*p)>>8), (char)(*p));
- p++;
- }
- puts("");
-}
-
// Parse 512 byte disk identification block and print much crap.
-static void identify(uint16_t *id_supplied)
+static void identify(uint16_t *val)
{
- uint16_t buf[256];
- uint16_t *val, ii, jj, kk;
+ uint16_t 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;
@@ -557,19 +551,15 @@ static void identify(uint16_t *id_supplied)
uint32_t ll, mm, nn, oo;
uint64_t bbbig; /* (:) */
const char *strng;
+#if BB_BIG_ENDIAN
+ uint16_t buf[256];
- // Adjust for endianness if necessary.
-
- if (BB_BIG_ENDIAN) {
- swab(id_supplied, buf, sizeof(buf));
- val = buf;
- } else
- val = id_supplied;
-
- chksum &= 0xff;
-
+ // Adjust for endianness
+ swab(val, buf, sizeof(buf));
+ val = buf;
+#endif
/* check if we recognise the device type */
- puts("");
+ bb_putchar('\n');
if (!(val[GEN_CONFIG] & NOT_ATA)) {
dev = ATA_DEV;
printf("ATA device, with ");
@@ -686,7 +676,7 @@ static void identify(uint16_t *id_supplied)
else if (like_std > std)
printf("& some of %u\n", like_std);
else
- puts("");
+ bb_putchar('\n');
} else {
/* TBD: do CDROM stuff more thoroughly. For now... */
kk = 0;
@@ -786,7 +776,7 @@ static void identify(uint16_t *id_supplied)
if (bbbig > 1000)
printf("(%"PRIu64" GB)\n", bbbig/1000);
else
- puts("");
+ bb_putchar('\n');
}
/* hw support of commands (capabilities) */
@@ -829,7 +819,7 @@ static void identify(uint16_t *id_supplied)
if ((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL))
printf(", %s device specific minimum\n", (val[CAPAB_1] & MIN_STANDBY_TIMER) ? "with" : "no");
else
- puts("");
+ bb_putchar('\n');
}
printf("\tR/W multiple sector transfer: ");
if ((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER))
@@ -866,7 +856,7 @@ static void identify(uint16_t *id_supplied)
printf("\tOverlap support:");
if (val[PKT_REL]) printf(" %uus to release bus.", val[PKT_REL]);
if (val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.", val[SVC_NBSY]);
- puts("");
+ bb_putchar('\n');
}
}
@@ -893,7 +883,7 @@ static void identify(uint16_t *id_supplied)
err_dma += mode_loop(jj, kk, 'u', &have_mode);
}
if (err_dma || !have_mode) printf("(?)");
- puts("");
+ bb_putchar('\n');
if ((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
printf("\t\tInterleaved DMA support\n");
@@ -904,7 +894,7 @@ static void identify(uint16_t *id_supplied)
printf("\t\tCycle time:");
if (val[DMA_TIME_MIN]) printf(" min=%uns", val[DMA_TIME_MIN]);
if (val[DMA_TIME_NORM]) printf(" recommended=%uns", val[DMA_TIME_NORM]);
- puts("");
+ bb_putchar('\n');
}
}
@@ -918,11 +908,11 @@ static void identify(uint16_t *id_supplied)
if (jj & 0x0001) printf("pio%d ", ii);
jj >>=1;
}
- puts("");
+ bb_putchar('\n');
} else if (((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE)) {
for (ii = 0; ii <= val[PIO_MODE]>>8; ii++)
printf("pio%d ", ii);
- puts("");
+ bb_putchar('\n');
} else
printf("unknown\n");
@@ -931,7 +921,7 @@ static void identify(uint16_t *id_supplied)
printf("\t\tCycle time:");
if (val[PIO_NO_FLOW]) printf(" no flow control=%uns", val[PIO_NO_FLOW]);
if (val[PIO_FLOW]) printf(" IORDY flow control=%uns", val[PIO_FLOW]);
- puts("");
+ bb_putchar('\n');
}
}
@@ -982,7 +972,7 @@ static void identify(uint16_t *id_supplied)
printf("\t");
if (jj) printf("%umin for %sSECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1, "");
if (kk) printf("%umin for %sSECURITY ERASE UNIT. ", kk==ERASE_BITS ? 508 : kk<<1, "ENHANCED ");
- puts("");
+ bb_putchar('\n');
}
}
@@ -1134,7 +1124,7 @@ static void dump_identity(const struct hd_driveid *id)
else
printf("off");
}
- puts("");
+ bb_putchar('\n');
if (!(id->field_valid & 1))
printf(" (maybe):");
@@ -1905,7 +1895,7 @@ static void parse_xfermode(int flag, smallint *get, smallint *set, int *value)
/*------- getopt short options --------*/
static const char hdparm_options[] ALIGN1 =
- "gfu::n::p:r::m::c::k::a::B:tTh"
+ "gfu::n::p:r::m::c::k::a::B:tT"
USE_FEATURE_HDPARM_GET_IDENTITY("iI")
USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::")
#ifdef HDIO_DRIVE_CMD
@@ -1933,7 +1923,6 @@ int hdparm_main(int argc, char **argv)
while ((c = getopt(argc, argv, hdparm_options)) >= 0) {
flagcount++;
- if (c == 'h') bb_show_usage(); /* EXIT */
USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity |= (c == 'I'));
USE_FEATURE_HDPARM_GET_IDENTITY(get_identity |= (c == 'i'));
get_geom |= (c == 'g');
@@ -1999,7 +1988,7 @@ int hdparm_main(int argc, char **argv)
if (!*argv) {
if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !isatty(STDIN_FILENO))
identify_from_stdin(); /* EXIT */
- else bb_show_usage();
+ bb_show_usage();
}
do {