MetzNet
/
dfhack
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix bad SHM reads of ranges above 1MB.

develop
Petr Mrázek 2010-05-26 18:05:12 +02:00
parent af1a41712e
commit bd4456b5f6
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
library/DFProcess-linux-SHM.cpp
Unescape Escape View File

@ -609,7 +609,7 @@ void SHMProcess::read (uint32_t src_address, uint32_t size, uint8_t *target_buff
else
{
// first read equals the size of the SHM window
uint32_t to_read = SHM_BODY - 1024;
uint32_t to_read = SHM_BODY;
while (size)
{
// read to_read bytes from src_cursor
@ -617,7 +617,7 @@ void SHMProcess::read (uint32_t src_address, uint32_t size, uint8_t *target_buff
D_SHMHDR->length = to_read;
gcc_barrier
d->SetAndWait(CORE_READ);
memcpy (target_buffer, D_SHMDATA(void) ,size);
memcpy (target_buffer, D_SHMDATA(void) ,to_read);
// decrease size by bytes read
size -= to_read;
// move the cursors

2
library/DFProcess-windows-SHM.cpp
Unescape Escape View File

@ -678,7 +678,7 @@ void SHMProcess::read (uint32_t src_address, uint32_t size, uint8_t *target_buff
D_SHMHDR->length = to_read;
full_barrier
d->SetAndWait(CORE_READ);
memcpy (target_buffer, D_SHMDATA(void) ,size);
memcpy (target_buffer, D_SHMDATA(void) ,to_read);
// decrease size by bytes read
size -= to_read;
// move the cursors