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Use new getFileSize function instead of sys/stat.h directly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10650 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-30 07:40:35 +00:00
parent 316cb083d6
commit b70abe1c5a
4 changed files with 19 additions and 28 deletions
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12
lib/Archive/ArchiveReader.cpp
View File

@ -18,7 +18,7 @@
#include "llvm/Bytecode/Reader.h" #include "llvm/Bytecode/Reader.h"
#include "llvm/Module.h" #include "llvm/Module.h"
#include "Config/sys/stat.h" #include "Support/FileUtilities.h"
#include "Config/sys/mman.h" #include "Config/sys/mman.h"
#include "Config/fcntl.h" #include "Config/fcntl.h"
#include <cstdlib> #include <cstdlib>
@ -164,17 +164,15 @@ static bool ReadArchiveBuffer(const std::string &ArchiveName,
// //
bool ReadArchiveFile(const std::string &Filename, std::vector<Module*> &Objects, bool ReadArchiveFile(const std::string &Filename, std::vector<Module*> &Objects,
std::string *ErrorStr) { std::string *ErrorStr) {
int Length = getFileSize(Filename);
if (Length == -1)
return Error(ErrorStr, "Error getting file length!");
int FD = open(Filename.c_str(), O_RDONLY); int FD = open(Filename.c_str(), O_RDONLY);
if (FD == -1) if (FD == -1)
return Error(ErrorStr, "Error opening file!"); return Error(ErrorStr, "Error opening file!");
// Stat the file to get its length...
struct stat StatBuf;
if (fstat(FD, &StatBuf) == -1 || StatBuf.st_size == 0)
return Error(ErrorStr, "Error stat'ing file!");
// mmap in the file all at once... // mmap in the file all at once...
int Length = StatBuf.st_size;
unsigned char *Buffer = (unsigned char*)mmap(0, Length, PROT_READ, unsigned char *Buffer = (unsigned char*)mmap(0, Length, PROT_READ,
MAP_PRIVATE, FD, 0); MAP_PRIVATE, FD, 0);
if (Buffer == (unsigned char*)MAP_FAILED) if (Buffer == (unsigned char*)MAP_FAILED)

12
lib/Bytecode/Archive/ArchiveReader.cpp
View File

@ -18,7 +18,7 @@
#include "llvm/Bytecode/Reader.h" #include "llvm/Bytecode/Reader.h"
#include "llvm/Module.h" #include "llvm/Module.h"
#include "Config/sys/stat.h" #include "Support/FileUtilities.h"
#include "Config/sys/mman.h" #include "Config/sys/mman.h"
#include "Config/fcntl.h" #include "Config/fcntl.h"
#include <cstdlib> #include <cstdlib>
@ -164,17 +164,15 @@ static bool ReadArchiveBuffer(const std::string &ArchiveName,
// //
bool ReadArchiveFile(const std::string &Filename, std::vector<Module*> &Objects, bool ReadArchiveFile(const std::string &Filename, std::vector<Module*> &Objects,
std::string *ErrorStr) { std::string *ErrorStr) {
int Length = getFileSize(Filename);
if (Length == -1)
return Error(ErrorStr, "Error getting file length!");
int FD = open(Filename.c_str(), O_RDONLY); int FD = open(Filename.c_str(), O_RDONLY);
if (FD == -1) if (FD == -1)
return Error(ErrorStr, "Error opening file!"); return Error(ErrorStr, "Error opening file!");
// Stat the file to get its length...
struct stat StatBuf;
if (fstat(FD, &StatBuf) == -1 || StatBuf.st_size == 0)
return Error(ErrorStr, "Error stat'ing file!");
// mmap in the file all at once... // mmap in the file all at once...
int Length = StatBuf.st_size;
unsigned char *Buffer = (unsigned char*)mmap(0, Length, PROT_READ, unsigned char *Buffer = (unsigned char*)mmap(0, Length, PROT_READ,
MAP_PRIVATE, FD, 0); MAP_PRIVATE, FD, 0);
if (Buffer == (unsigned char*)MAP_FAILED) if (Buffer == (unsigned char*)MAP_FAILED)

12
lib/Bytecode/Reader/ArchiveReader.cpp
View File

@ -18,7 +18,7 @@
#include "llvm/Bytecode/Reader.h" #include "llvm/Bytecode/Reader.h"
#include "llvm/Module.h" #include "llvm/Module.h"
#include "Config/sys/stat.h" #include "Support/FileUtilities.h"
#include "Config/sys/mman.h" #include "Config/sys/mman.h"
#include "Config/fcntl.h" #include "Config/fcntl.h"
#include <cstdlib> #include <cstdlib>
@ -164,17 +164,15 @@ static bool ReadArchiveBuffer(const std::string &ArchiveName,
// //
bool ReadArchiveFile(const std::string &Filename, std::vector<Module*> &Objects, bool ReadArchiveFile(const std::string &Filename, std::vector<Module*> &Objects,
std::string *ErrorStr) { std::string *ErrorStr) {
int Length = getFileSize(Filename);
if (Length == -1)
return Error(ErrorStr, "Error getting file length!");
int FD = open(Filename.c_str(), O_RDONLY); int FD = open(Filename.c_str(), O_RDONLY);
if (FD == -1) if (FD == -1)
return Error(ErrorStr, "Error opening file!"); return Error(ErrorStr, "Error opening file!");
// Stat the file to get its length...
struct stat StatBuf;
if (fstat(FD, &StatBuf) == -1 || StatBuf.st_size == 0)
return Error(ErrorStr, "Error stat'ing file!");
// mmap in the file all at once... // mmap in the file all at once...
int Length = StatBuf.st_size;
unsigned char *Buffer = (unsigned char*)mmap(0, Length, PROT_READ, unsigned char *Buffer = (unsigned char*)mmap(0, Length, PROT_READ,
MAP_PRIVATE, FD, 0); MAP_PRIVATE, FD, 0);
if (Buffer == (unsigned char*)MAP_FAILED) if (Buffer == (unsigned char*)MAP_FAILED)

11
lib/Bytecode/Reader/ReaderWrappers.cpp
View File

@ -21,7 +21,6 @@
#include "Config/fcntl.h" #include "Config/fcntl.h"
#include "Config/unistd.h" #include "Config/unistd.h"
#include "Config/sys/mman.h" #include "Config/sys/mman.h"
#include <sys/stat.h>
#include <cerrno> #include <cerrno>
using namespace llvm; using namespace llvm;
@ -51,17 +50,15 @@ static std::string ErrnoMessage (int savedErrNum, std::string descr) {
} }
BytecodeFileReader::BytecodeFileReader(const std::string &Filename) { BytecodeFileReader::BytecodeFileReader(const std::string &Filename) {
Length = getFileSize(Filename);
if (Length == -1)
throw ErrnoMessage(errno, "stat '" + Filename + "'");
FDHandle FD(open(Filename.c_str(), O_RDONLY)); FDHandle FD(open(Filename.c_str(), O_RDONLY));
if (FD == -1) if (FD == -1)
throw ErrnoMessage(errno, "open '" + Filename + "'"); throw ErrnoMessage(errno, "open '" + Filename + "'");
// Stat the file to get its length...
struct stat StatBuf;
if (fstat(FD, &StatBuf) == -1 || StatBuf.st_size == 0)
throw ErrnoMessage(errno, "stat '" + Filename + "'");
// mmap in the file all at once... // mmap in the file all at once...
Length = StatBuf.st_size;
Buffer = (unsigned char*)mmap(0, Length, PROT_READ, MAP_PRIVATE, FD, 0); Buffer = (unsigned char*)mmap(0, Length, PROT_READ, MAP_PRIVATE, FD, 0);
if (Buffer == (unsigned char*)MAP_FAILED) if (Buffer == (unsigned char*)MAP_FAILED)