From a3230b724822bba1cd78f41ffd6e221197620bdf Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Wed, 15 Jul 2009 08:11:46 +0000 Subject: Detect write failures on raw_fd_ostream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75758 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/raw_ostream.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'lib/Support') diff --git a/lib/Support/raw_ostream.cpp b/lib/Support/raw_ostream.cpp index 23a756e..ef72501 100644 --- a/lib/Support/raw_ostream.cpp +++ b/lib/Support/raw_ostream.cpp @@ -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 #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; } -- cgit v1.1