kolibrios-fun/contrib/sdk/sources/newlib/libc/sys/iowrite.c
Sergey Semyonov (Serge) b141c63200 newlib: fixed error handling in write()
git-svn-id: svn://kolibrios.org@6330 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-03-13 00:52:58 +00:00

34 lines
807 B
C

#include <sys/types.h>
#include <errno.h>
#include <sys/kos_io.h>
int write_file(const char *path,const void *buff,
size_t offset, size_t count, size_t *writes)
{
int retval;
__asm__ __volatile__(
"pushl $0 \n\t"
"pushl $0 \n\t"
"movl %%eax, 1(%%esp) \n\t"
"pushl %%ebx \n\t"
"pushl %%edx \n\t"
"pushl $0 \n\t"
"pushl %%ecx \n\t"
"pushl $3 \n\t"
"movl %%esp, %%ebx \n\t"
"mov $70, %%eax \n\t"
"int $0x40 \n\t"
"testl %%esi, %%esi \n\t"
"jz 1f \n\t"
"movl %%ebx, (%%esi) \n\t"
"1:"
"addl $28, %%esp \n\t"
:"=a" (retval)
:"a"(path),"b"(buff),"c"(offset),"d"(count),"S"(writes));
if(retval == 0)
return 0;
else if (retval == 8)
return ENOSPC;
return -1;
};