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Detect write failures on raw_fd_ostream. 

llvm-svn: 75758
This commit is contained in:
Daniel Dunbar 2009-07-15 08:11:46 +00:00
parent b97d02fd96
commit dcb50b9b54
1 changed files with 4 additions and 2 deletions
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6
llvm/lib/Support/raw_ostream.cpp
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@ -18,6 +18,7 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/Config/config.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include <ostream>
#if defined(HAVE_UNISTD_H)
@ -285,7 +286,8 @@ raw_fd_ostream::~raw_fd_ostream() {
void raw_fd_ostream::write_impl(const char *Ptr, unsigned Size) {
assert (FD >= 0 && "File already closed.");
pos += Size;
::write(FD, Ptr, Size);
if (::write(FD, Ptr, Size) != (ssize_t) Size)
llvm_report_error("IO failure writing to output stream.");
}
void raw_fd_ostream::close() {
@ -298,7 +300,7 @@ void raw_fd_ostream::close() {
uint64_t raw_fd_ostream::seek(uint64_t off) {
flush();
pos = lseek(FD, off, SEEK_SET);
pos = ::lseek(FD, off, SEEK_SET);
return pos;
}