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sansapatcher: move sectorbuf pointer into sansa_t structure.

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Similar as the ipod_t structure for ipodpatcher the sansa_t structure holds all
relevant information for sansapatcher. Put the global sansa_sectorbuf pointer
into it as well.

Change-Id: Iad08ef6aafc49609c3d0d556914246f230ee0179
This commit is contained in:
Dominik Riebeling 2012-12-23 23:36:00 +01:00
parent 24e37ddf57
commit 9c1ed84d28
9 changed files with 77 additions and 97 deletions
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10
rbutil/sansapatcher/sansaio-win32.c
View file

@ -150,12 +150,12 @@ int sansa_close(struct sansa_t* sansa)
return 0;
}
int sansa_alloc_buffer(unsigned char** sectorbuf, int bufsize)
int sansa_alloc_buffer(struct sansa_t* sansa, int bufsize)
{
/* The ReadFile function requires a memory buffer aligned to a multiple of
the disk sector size. */
*sectorbuf = (unsigned char*)VirtualAlloc(NULL, bufsize, MEM_COMMIT, PAGE_READWRITE);
if (*sectorbuf == NULL) {
sansa->sectorbuf = (unsigned char*)VirtualAlloc(NULL, bufsize, MEM_COMMIT, PAGE_READWRITE);
if (sansa->sectorbuf == NULL) {
sansa_print_error(" Error allocating a buffer: ");
return -1;
}
@ -189,11 +189,11 @@ int sansa_read(struct sansa_t* sansa, unsigned char* buf, int nbytes)
return count;
}
int sansa_write(struct sansa_t* sansa, unsigned char* buf, int nbytes)
int sansa_write(struct sansa_t* sansa, int nbytes)
{
unsigned long count;
if (!WriteFile(sansa->dh, buf, nbytes, &count, NULL)) {
if (!WriteFile(sansa->dh, sansa->sectorbuf, nbytes, &count, NULL)) {
sansa_print_error(" Error writing to disk: ");
return -1;
}