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Use new getFileSize function. Eliminate some using directives. Reorder #includes a bit

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-30 07:45:46 +00:00
parent b70abe1c5a
commit 97f752f6d5
1 changed files with 20 additions and 27 deletions
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47
tools/llvm-ar/llvm-ar.cpp
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@ -1,4 +1,4 @@
//===-- tools/llvm-ar/llvm-ar.cpp - LLVM archive librarian utility --------===//
//===-- llvm-ar.cpp - LLVM archive librarian utility ----------------------===//
//
// The LLVM Compiler Infrastructure
//
@ -11,25 +11,21 @@
//
//===----------------------------------------------------------------------===//
#include "Support/CommandLine.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Module.h"
#include "llvm/Bytecode/Reader.h"
#include "Support/CommandLine.h"
#include "Support/FileUtilities.h"
#include <string>
#include <iostream>
#include <fstream>
#include <vector>
#include <sys/stat.h>
#include <cstdio>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
using namespace llvm;
using std::string;
using std::vector;
using std::cout;
#define ARFMAG "\n" /* header trailer string */
@ -96,7 +92,7 @@ int Count;
string Archive;
//Member Files
vector<string> Members;
std::vector<string> Members;
// WriteSymbolTable - Writes symbol table to ArchiveFile, return false
@ -139,8 +135,8 @@ bool WriteSymbolTable(std::ofstream &ArchiveFile) {
unsigned memoff = 0; //Keep Track of total size of files added to archive
vector<unsigned> offsets; //Vector of offsets into archive file
vector<char> names; //Vector of characters that are the symbol names.
std::vector<unsigned> offsets; //Vector of offsets into archive file
std::vector<char> names; //Vector of characters that are the symbol names.
//Loop over archive member files, parse bytecode, and generate symbol table.
for(unsigned i=0; i<Members.size(); ++i) {
@ -154,16 +150,13 @@ bool WriteSymbolTable(std::ofstream &ArchiveFile) {
return false;
}
//Stat the file to get its size.
struct stat StatBuf;
if (stat(Members[i].c_str(), &StatBuf) == -1 || StatBuf.st_size == 0) {
// Size of file
unsigned Length = getFileSize(Members[i]);
if (Length == (unsigned)-1) {
std::cerr << "Error stating file\n";
return false;
}
//Size of file
unsigned Length = StatBuf.st_size;
//Read in file into a buffer.
unsigned char *buf = (unsigned char*)mmap(0, Length,PROT_READ,
MAP_PRIVATE, FD, 0);
@ -206,7 +199,7 @@ bool WriteSymbolTable(std::ofstream &ArchiveFile) {
//Determine how large our symbol table is.
unsigned symbolTableSize = sizeof(Hdr) + 4 + 4*(offsets.size()) + names.size();
cout << "Symbol Table Size: " << symbolTableSize << "\n";
std::cout << "Symbol Table Size: " << symbolTableSize << "\n";
//Number of symbols should be in network byte order as well
char num[4];
@ -232,7 +225,7 @@ bool WriteSymbolTable(std::ofstream &ArchiveFile) {
offsets[i] += adjust;
}
cout << "Offset: " << offsets[i] << "\n";
std::cout << "Offset: " << offsets[i] << "\n";
output[0] = (offsets[i] >> 24) & 255;
output[1] = (offsets[i] >> 16) & 255;
output[2] = (offsets[i] >> 8) & 255;
@ -259,7 +252,7 @@ bool WriteSymbolTable(std::ofstream &ArchiveFile) {
//
bool AddMemberToArchive(string Member, std::ofstream &ArchiveFile) {
cout << "Member File Start: " << ArchiveFile.tellp() << "\n";
std::cout << "Member File Start: " << ArchiveFile.tellp() << "\n";
ar_hdr Hdr; //Header for archive member file.
@ -286,7 +279,7 @@ bool AddMemberToArchive(string Member, std::ofstream &ArchiveFile) {
//file member size in decimal
unsigned Length = StatBuf.st_size;
sprintf(Hdr.size,"%d", Length);
cout << "Size: " << Length << "\n";
std::cout << "Size: " << Length << "\n";
//file member user id in decimal
sprintf(Hdr.uid, "%d", StatBuf.st_uid);
@ -328,7 +321,7 @@ bool AddMemberToArchive(string Member, std::ofstream &ArchiveFile) {
// Unmmap the memberfile
munmap((char*)buf, Length);
cout << "Member File End: " << ArchiveFile.tellp() << "\n";
std::cout << "Member File End: " << ArchiveFile.tellp() << "\n";
return true;
}
@ -354,12 +347,12 @@ void CreateArchive() {
//If the '-s' option was specified, generate symbol table.
if(SymTable) {
cout << "Symbol Table Start: " << ArchiveFile.tellp() << "\n";
std::cout << "Symbol Table Start: " << ArchiveFile.tellp() << "\n";
if(!WriteSymbolTable(ArchiveFile)) {
std::cerr << "Error creating symbol table. Exiting program.";
exit(1);
}
cout << "Symbol Table End: " << ArchiveFile.tellp() << "\n";
std::cout << "Symbol Table End: " << ArchiveFile.tellp() << "\n";
}
//Loop over all member files, and add to the archive.
for(unsigned i=0; i < Members.size(); ++i) {
@ -409,7 +402,7 @@ void printUse() {
//Print version
void printVersion() {
cout << VERSION;
std::cout << VERSION;
exit(0);
}
@ -453,7 +446,7 @@ void getArchive() {
void getMembers() {
std::cerr << RestofArgs.size() << "\n";
if(RestofArgs.size() > 0)
Members = vector<string>(RestofArgs);
Members = std::vector<string>(RestofArgs);
}
// Parse the operations and operation modifiers