LineageOS/android_external_gptfdisk
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New release: 0.4.0

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This version adds support for FreeBSD and big-endian systems. It also
adds support for BSD disklabels and an assortment of other changes,
improvements, and bug fixes.
This commit is contained in:
srs5694
2009-08-29 15:00:31 -04:00
parent a0eb11a64b
commit 221e08768d
16 changed files with 616 additions and 414 deletions
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22
support.cc
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@@ -3,6 +3,9 @@
// Primarily by Rod Smith, February 2009, but with a few functions
// copied from other sources (see attributions below).
/* This program is copyright (c) 2009 by Roderick W. Smith. It is distributed
under the terms of the GNU GPL version 2, as detailed in the COPYING file. */
#define __STDC_LIMIT_MACROS
#define __STDC_CONSTANT_MACROS
@@ -176,8 +179,12 @@ int GetBlockSize(int fd) {
#ifdef __APPLE__
err = ioctl(fd, DKIOCGETBLOCKSIZE, &result);
#else
#ifdef __FreeBSD__
err = ioctl(fd, DIOCGSECTORSIZE, &result);
#else
err = ioctl(fd, BLKSSZGET, &result);
#endif
#endif
if (result != 512) {
@@ -319,15 +326,17 @@ int IsLittleEndian(void) {
} // IsLittleEndian()
// Reverse the byte order of theValue; numBytes is number of bytes
void ReverseBytes(char* theValue, int numBytes) {
void ReverseBytes(void* theValue, int numBytes) {
char* origValue;
char* tempValue;
int i;
origValue = (char*) theValue;
tempValue = (char*) malloc(numBytes);
for (i = 0; i < numBytes; i++)
tempValue[i] = theValue[i];
tempValue[i] = origValue[i];
for (i = 0; i < numBytes; i++)
theValue[i] = tempValue[numBytes - i - 1];
origValue[i] = tempValue[numBytes - i - 1];
free(tempValue);
} // ReverseBytes()
@@ -345,6 +354,7 @@ uint64_t PowerOf2(int value) {
return retval;
} // PowerOf2()
/**************************************************************************************
* *
* Below functions are lifted from various sources, as documented in comments before *
@@ -366,6 +376,11 @@ uint64_t disksize(int fd, int *err) {
// 32/64-bit issues on MacOS....
#ifdef __APPLE__
*err = ioctl(fd, DKIOCGETBLOCKCOUNT, &sectors);
#else
#ifdef __FreeBSD__
*err = ioctl(fd, DIOCGMEDIASIZE, &sz);
b = GetBlockSize(fd);
sectors = sz / b;
#else
*err = ioctl(fd, BLKGETSIZE, &sz);
if (*err) {
@@ -378,6 +393,7 @@ uint64_t disksize(int fd, int *err) {
sectors = sz;
else
sectors = (b >> 9);
#endif
#endif
return sectors;
}