From 0e3b78a6c21b27eb1d73351a6d856778b57de54b Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Tue, 1 Dec 2009 22:51:41 +0000 Subject: return more useful error messages by using strerror to format errno instead of returning an ambiguous reason. llvm-svn: 90275 --- llvm/lib/Support/MemoryBuffer.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'llvm/lib/Support/MemoryBuffer.cpp') diff --git a/llvm/lib/Support/MemoryBuffer.cpp b/llvm/lib/Support/MemoryBuffer.cpp index b04864a1a68..df1aa6a25d0 100644 --- a/llvm/lib/Support/MemoryBuffer.cpp +++ b/llvm/lib/Support/MemoryBuffer.cpp @@ -176,7 +176,7 @@ MemoryBuffer *MemoryBuffer::getFile(StringRef Filename, std::string *ErrStr, #endif int FD = ::open(Filename.str().c_str(), O_RDONLY|OpenFlags); if (FD == -1) { - if (ErrStr) *ErrStr = "could not open file"; + if (ErrStr) *ErrStr = strerror(errno); return 0; } @@ -186,7 +186,7 @@ MemoryBuffer *MemoryBuffer::getFile(StringRef Filename, std::string *ErrStr, struct stat FileInfo; // TODO: This should use fstat64 when available. if (fstat(FD, &FileInfo) == -1) { - if (ErrStr) *ErrStr = "could not get file length"; + if (ErrStr) *ErrStr = strerror(errno); ::close(FD); return 0; } @@ -230,8 +230,8 @@ MemoryBuffer *MemoryBuffer::getFile(StringRef Filename, std::string *ErrStr, // try again } else { // error reading. + if (ErrStr) *ErrStr = strerror(errno); close(FD); - if (ErrStr) *ErrStr = "error reading file data"; return 0; } } -- cgit v1.2.3