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firmware-tools/ptgen: fix minor coding style issues
Signed-off-by: Michael Heimpold <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -1,4 +1,4 @@ | ||
/* | ||
/* | ||
* ptgen - partition table generator | ||
* Copyright (C) 2006 by Felix Fietkau <[email protected]> | ||
* | ||
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@@ -9,12 +9,12 @@ | |
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
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@@ -63,25 +63,26 @@ struct partinfo parts[4]; | |
char *filename = NULL; | ||
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/* | ||
/* | ||
* parse the size argument, which is either | ||
* a simple number (K assumed) or | ||
* K, M or G | ||
* | ||
* returns the size in KByte | ||
*/ | ||
static long to_kbytes(const char *string) { | ||
static long to_kbytes(const char *string) | ||
{ | ||
int exp = 0; | ||
long result; | ||
char *end; | ||
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result = strtoul(string, &end, 0); | ||
switch (tolower(*end)) { | ||
case 'k' : | ||
case '\0' : exp = 0; break; | ||
case 'm' : exp = 1; break; | ||
case 'g' : exp = 2; break; | ||
default: return 0; | ||
case 'k' : | ||
case '\0' : exp = 0; break; | ||
case 'm' : exp = 1; break; | ||
case 'g' : exp = 2; break; | ||
default: return 0; | ||
} | ||
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if (*end) | ||
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@@ -99,9 +100,10 @@ static long to_kbytes(const char *string) { | |
} | ||
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/* convert the sector number into a CHS value for the partition table */ | ||
static void to_chs(long sect, unsigned char chs[3]) { | ||
static void to_chs(long sect, unsigned char chs[3]) | ||
{ | ||
int c,h,s; | ||
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s = (sect % sectors) + 1; | ||
sect = sect / sectors; | ||
h = sect % heads; | ||
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@@ -116,10 +118,11 @@ static void to_chs(long sect, unsigned char chs[3]) { | |
} | ||
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/* round the sector number up to the next cylinder */ | ||
static inline unsigned long round_to_cyl(long sect) { | ||
static inline unsigned long round_to_cyl(long sect) | ||
{ | ||
int cyl_size = heads * sectors; | ||
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return sect + cyl_size - (sect % cyl_size); | ||
return sect + cyl_size - (sect % cyl_size); | ||
} | ||
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/* round the sector number up to the kb_align boundary */ | ||
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@@ -131,7 +134,7 @@ static inline unsigned long round_to_kb(long sect) { | |
static int gen_ptable(uint32_t signature, int nr) | ||
{ | ||
struct pte pte[4]; | ||
unsigned long sect = 0; | ||
unsigned long sect = 0; | ||
int i, fd, ret = -1, start, len; | ||
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memset(pte, 0, sizeof(struct pte) * 4); | ||
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@@ -140,22 +143,27 @@ static int gen_ptable(uint32_t signature, int nr) | |
fprintf(stderr, "Invalid size in partition %d!\n", i); | ||
return -1; | ||
} | ||
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pte[i].active = ((i + 1) == active) ? 0x80 : 0; | ||
pte[i].type = parts[i].type; | ||
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start = sect + sectors; | ||
if (kb_align != 0) | ||
start = round_to_kb(start); | ||
pte[i].start = cpu_to_le32(start); | ||
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sect = start + parts[i].size * 2; | ||
if (kb_align == 0) | ||
sect = round_to_cyl(sect); | ||
pte[i].length = cpu_to_le32(len = sect - start); | ||
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to_chs(start, pte[i].chs_start); | ||
to_chs(start + len - 1, pte[i].chs_end); | ||
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if (verbose) | ||
fprintf(stderr, "Partition %d: start=%ld, end=%ld, size=%ld\n", i, (long) start * 512, ((long) start + (long) len) * 512, (long) len * 512); | ||
printf("%ld\n", ((long) start * 512)); | ||
printf("%ld\n", ((long) len * 512)); | ||
fprintf(stderr, "Partition %d: start=%ld, end=%ld, size=%ld\n", i, (long)start * 512, ((long)start + (long)len) * 512, (long)len * 512); | ||
printf("%ld\n", (long)start * 512); | ||
printf("%ld\n", (long)len * 512); | ||
} | ||
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if ((fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0644)) < 0) { | ||
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@@ -179,7 +187,7 @@ static int gen_ptable(uint32_t signature, int nr) | |
fprintf(stderr, "write failed.\n"); | ||
goto fail; | ||
} | ||
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ret = 0; | ||
fail: | ||
close(fd); | ||
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@@ -188,7 +196,7 @@ static int gen_ptable(uint32_t signature, int nr) | |
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static void usage(char *prog) | ||
{ | ||
fprintf(stderr, "Usage: %s [-v] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [-l <align kB>] [[-t <type>] -p <size>...] \n", prog); | ||
fprintf(stderr, "Usage: %s [-v] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [-l <align kB>] [[-t <type>] -p <size>...] \n", prog); | ||
exit(1); | ||
} | ||
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@@ -208,10 +216,10 @@ int main (int argc, char **argv) | |
verbose++; | ||
break; | ||
case 'h': | ||
heads = (int) strtoul(optarg, NULL, 0); | ||
heads = (int)strtoul(optarg, NULL, 0); | ||
break; | ||
case 's': | ||
sectors = (int) strtoul(optarg, NULL, 0); | ||
sectors = (int)strtoul(optarg, NULL, 0); | ||
break; | ||
case 'p': | ||
if (part > 3) { | ||
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@@ -222,15 +230,15 @@ int main (int argc, char **argv) | |
parts[part++].type = type; | ||
break; | ||
case 't': | ||
type = (char) strtoul(optarg, NULL, 16); | ||
type = (char)strtoul(optarg, NULL, 16); | ||
break; | ||
case 'a': | ||
active = (int) strtoul(optarg, NULL, 0); | ||
active = (int)strtoul(optarg, NULL, 0); | ||
if ((active < 0) || (active > 4)) | ||
active = 0; | ||
break; | ||
case 'l': | ||
kb_align = (int) strtoul(optarg, NULL, 0) * 2; | ||
kb_align = (int)strtoul(optarg, NULL, 0) * 2; | ||
break; | ||
case 'S': | ||
signature = strtoul(optarg, NULL, 0); | ||
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@@ -241,7 +249,7 @@ int main (int argc, char **argv) | |
} | ||
} | ||
argc -= optind; | ||
if (argc || (heads <= 0) || (sectors <= 0) || !filename) | ||
if (argc || (heads <= 0) || (sectors <= 0) || !filename) | ||
usage(argv[0]); | ||
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return gen_ptable(signature, part); | ||
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