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syscall_emul, style: refactor lseek

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This commit is contained in:
Brandon Potter
2016-03-17 10:22:39 -07:00
parent c47cf3ec20
commit c05fa16729
1 changed files with 6 additions and 12 deletions
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18
src/sim/syscall_emul.cc
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@@ -306,19 +306,13 @@ _llseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc)
uint64_t result = lseek(sim_fd, offset, whence);
result = TheISA::htog(result);
if (result == (off_t)-1) {
//The seek failed.
if (result == (off_t)-1)
return -errno;
} else {
// The seek succeeded.
// Copy "result" to "result_ptr"
// XXX We'll assume that the size of loff_t is 64 bits on the
// target platform
BufferArg result_buf(result_ptr, sizeof(result));
memcpy(result_buf.bufferPtr(), &result, sizeof(result));
result_buf.copyOut(tc->getMemProxy());
return 0;
}
// Assuming that the size of loff_t is 64 bits on the target platform
BufferArg result_buf(result_ptr, sizeof(result));
memcpy(result_buf.bufferPtr(), &result, sizeof(result));
result_buf.copyOut(tc->getMemProxy());
return 0;
}