#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/PathV1.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cstdlib>
-#include <fstream>
+#include <fcntl.h>
#include <memory>
+
+#if !defined(_MSC_VER) && !defined(__MINGW32__)
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
+
using namespace llvm;
// Option for compatibility with AIX, not used but must allow it to be present.
"\nMODIFIERS (operation specific):\n"
" [a] - put file(s) after [relpos]\n"
" [b] - put file(s) before [relpos] (same as [i])\n"
- " [f] - truncate inserted file names\n"
" [i] - put file(s) before [relpos] (same as [b])\n"
- " [k] - always print bitcode files (default is to skip them)\n"
" [N] - use instance [count] of name\n"
" [o] - preserve original dates\n"
- " [P] - use full path names when matching\n"
- " [R] - recurse through directories when inserting\n"
" [s] - create an archive index (cf. ranlib)\n"
" [S] - do not build a symbol table\n"
" [u] - update only files newer than archive contents\n"
"\nMODIFIERS (generic):\n"
" [c] - do not warn if the library had to be created\n"
" [v] - be verbose about actions taken\n"
- " [V] - be *really* verbose about actions taken\n"
);
// This enumeration delineates the kinds of operations on an archive
// that are permitted.
enum ArchiveOperation {
- NoOperation, ///< An operation hasn't been specified
Print, ///< Print the contents of the archive
Delete, ///< Delete the specified members
Move, ///< Move members to end or as given by {a,b,i} modifiers
bool AddAfter = false; ///< 'a' modifier
bool AddBefore = false; ///< 'b' modifier
bool Create = false; ///< 'c' modifier
-bool TruncateNames = false; ///< 'f' modifier
-bool InsertBefore = false; ///< 'i' modifier
-bool DontSkipBitcode = false; ///< 'k' modifier
-bool UseCount = false; ///< 'N' modifier
bool OriginalDates = false; ///< 'o' modifier
-bool FullPath = false; ///< 'P' modifier
bool SymTable = true; ///< 's' & 'S' modifiers
bool OnlyUpdate = false; ///< 'u' modifier
bool Verbose = false; ///< 'v' modifier
// one variable.
std::string RelPos;
-// Select which of multiple entries in the archive with the same name should be
-// used (specified with -N) for the delete and extract operations.
-int Count = 1;
-
// This variable holds the name of the archive file as given on the
// command line.
std::string ArchiveName;
RestOfArgs.erase(RestOfArgs.begin());
}
-// getCount - Extract the [count] argument associated with the N modifier
-// from the command line and check its value.
-void getCount() {
- if(RestOfArgs.size() == 0)
- show_help("Expected [count] value with N modifier");
-
- Count = atoi(RestOfArgs[0].c_str());
- RestOfArgs.erase(RestOfArgs.begin());
-
- // Non-positive counts are not allowed
- if (Count < 1)
- show_help("Invalid [count] value (not a positive integer)");
-}
-
// getArchive - Get the archive file name from the command line
void getArchive() {
if(RestOfArgs.size() == 0)
unsigned NumPositional = 0;
// Keep track of which operation was requested
- ArchiveOperation Operation = NoOperation;
+ ArchiveOperation Operation;
for(unsigned i=0; i<Options.size(); ++i) {
switch(Options[i]) {
case 't': ++NumOperations; Operation = DisplayTable; break;
case 'x': ++NumOperations; Operation = Extract; break;
case 'c': Create = true; break;
- case 'f': TruncateNames = true; break;
- case 'k': DontSkipBitcode = true; break;
case 'l': /* accepted but unused */ break;
case 'o': OriginalDates = true; break;
case 's': break; // Ignore for now.
case 'S': break; // Ignore for now.
- case 'P': FullPath = true; break;
case 'u': OnlyUpdate = true; break;
case 'v': Verbose = true; break;
case 'a':
break;
case 'i':
getRelPos();
- InsertBefore = true;
+ AddBefore = true;
NumPositional++;
break;
- case 'N':
- getCount();
- UseCount = true;
- break;
default:
cl::PrintHelpMessage();
}
show_help("Only one operation may be specified");
if (NumPositional > 1)
show_help("You may only specify one of a, b, and i modifiers");
- if (AddAfter || AddBefore || InsertBefore) {
+ if (AddAfter || AddBefore) {
if (Operation != Move && Operation != ReplaceOrInsert)
show_help("The 'a', 'b' and 'i' modifiers can only be specified with "
"the 'm' or 'r' operations");
}
if (OriginalDates && Operation != Extract)
show_help("The 'o' modifier is only applicable to the 'x' operation");
- if (TruncateNames && Operation!=QuickAppend && Operation!=ReplaceOrInsert)
- show_help("The 'f' modifier is only applicable to the 'q' and 'r' "
- "operations");
if (OnlyUpdate && Operation != ReplaceOrInsert)
show_help("The 'u' modifier is only applicable to the 'r' operation");
- if (Count > 1 && Members.size() > 1)
- show_help("Only one member name may be specified with the 'N' modifier");
// Return the parsed operation to the caller
return Operation;
bool doPrint(std::string* ErrMsg) {
if (buildPaths(false, ErrMsg))
return true;
- unsigned countDown = Count;
for (Archive::iterator I = TheArchive->begin(), E = TheArchive->end();
I != E; ++I ) {
if (Paths.empty() ||
(std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end())) {
- if (countDown == 1) {
- const char* data = reinterpret_cast<const char*>(I->getData());
+ const char *data = reinterpret_cast<const char *>(I->getData());
- // Skip things that don't make sense to print
- if (I->isSVR4SymbolTable() ||
- I->isBSD4SymbolTable() || (!DontSkipBitcode && I->isBitcode()))
- continue;
+ // Skip things that don't make sense to print
+ if (I->isSVR4SymbolTable() || I->isBSD4SymbolTable())
+ continue;
- if (Verbose)
- outs() << "Printing " << I->getPath().str() << "\n";
+ if (Verbose)
+ outs() << "Printing " << I->getPath().str() << "\n";
- unsigned len = I->getSize();
- outs().write(data, len);
- } else {
- countDown--;
- }
+ unsigned len = I->getSize();
+ outs().write(data, len);
}
}
return false;
if (Paths.empty() ||
(std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end())) {
if (Verbose) {
- // FIXME: Output should be this format:
- // Zrw-r--r-- 500/ 500 525 Nov 8 17:42 2004 Makefile
- if (I->isBitcode())
- outs() << "b";
- else
- outs() << " ";
unsigned mode = I->getMode();
printMode((mode >> 6) & 007);
printMode((mode >> 3) & 007);
printMode(mode & 007);
- outs() << " " << format("%4u", I->getUser());
- outs() << "/" << format("%4u", I->getGroup());
- outs() << " " << format("%8u", I->getSize());
- outs() << " " << format("%20s", I->getModTime().str().substr(4).c_str());
+ outs() << ' ' << I->getUser();
+ outs() << "/" << I->getGroup();
+ outs() << ' ' << format("%6llu", I->getSize());
+ sys::TimeValue ModTime = I->getModTime();
+ outs() << " " << ModTime.str();
outs() << " " << I->getPath().str() << "\n";
} else {
outs() << I->getPath().str() << "\n";
(std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end())) {
// Open up a file stream for writing
- std::ios::openmode io_mode = std::ios::out | std::ios::trunc |
- std::ios::binary;
- std::ofstream file(I->getPath().str().c_str(), io_mode);
+ int OpenFlags = O_TRUNC | O_WRONLY | O_CREAT;
+#ifdef O_BINARY
+ OpenFlags |= O_BINARY;
+#endif
- // Get the data and its length
- const char* data = reinterpret_cast<const char*>(I->getData());
- unsigned len = I->getSize();
+ // Retain the original mode.
+ sys::fs::perms Mode = sys::fs::perms(I->getMode());
- // Write the data.
- file.write(data,len);
- file.close();
+ int FD = open(I->getPath().str().c_str(), OpenFlags, Mode);
+ if (FD < 0)
+ return true;
- sys::PathWithStatus PWS(I->getPath());
- sys::FileStatus Status = *PWS.getFileStatus();
+ {
+ raw_fd_ostream file(FD, false);
- // Retain the original mode.
- Status.mode = I->getMode();
+ // Get the data and its length
+ const char* data = reinterpret_cast<const char*>(I->getData());
+ unsigned len = I->getSize();
+
+ // Write the data.
+ file.write(data, len);
+ }
// If we're supposed to retain the original modification times, etc. do so
// now.
- if (OriginalDates)
- Status.modTime = I->getModTime();
-
- PWS.setStatusInfoOnDisk(Status);
+ if (OriginalDates) {
+ error_code EC =
+ sys::fs::setLastModificationAndAccessTime(FD, I->getModTime());
+ if (EC)
+ fail(EC.message());
+ }
+ if (close(FD))
+ return true;
}
}
return false;
return true;
if (Paths.empty())
return false;
- unsigned countDown = Count;
for (Archive::iterator I = TheArchive->begin(), E = TheArchive->end();
I != E; ) {
if (std::find(Paths.begin(), Paths.end(), I->getPath()) != Paths.end()) {
- if (countDown == 1) {
- Archive::iterator J = I;
- ++I;
- TheArchive->erase(J);
- } else
- countDown--;
+ Archive::iterator J = I;
+ ++I;
+ TheArchive->erase(J);
} else {
++I;
}
}
// We're done editting, reconstruct the archive.
- if (TheArchive->writeToDisk(TruncateNames,ErrMsg))
+ if (TheArchive->writeToDisk(ErrMsg))
return true;
return false;
}
// However, if the relative positioning modifiers were used, we need to scan
// the archive to find the member in question. If we don't find it, its no
// crime, we just move to the end.
- if (AddBefore || InsertBefore || AddAfter) {
+ if (AddBefore || AddAfter) {
for (Archive::iterator I = TheArchive->begin(), E= TheArchive->end();
I != E; ++I ) {
if (RelPos == I->getPath().str()) {
}
// We're done editting, reconstruct the archive.
- if (TheArchive->writeToDisk(TruncateNames,ErrMsg))
+ if (TheArchive->writeToDisk(ErrMsg))
return true;
return false;
}
}
// We're done editting, reconstruct the archive.
- if (TheArchive->writeToDisk(TruncateNames,ErrMsg))
+ if (TheArchive->writeToDisk(ErrMsg))
return true;
return false;
}
for (std::set<std::string>::iterator RI = remaining.begin(),
RE = remaining.end(); RI != RE; ++RI ) {
std::string compare(sys::path::filename(*RI));
- if (TruncateNames && compare.length() > 15) {
- const char* nm = compare.c_str();
- unsigned len = compare.length();
- size_t slashpos = compare.rfind('/');
- if (slashpos != std::string::npos) {
- nm += slashpos + 1;
- len -= slashpos +1;
- }
- if (len > 15)
- len = 15;
- compare.assign(nm,len);
- }
if (compare == I->getPath().str()) {
found = RI;
break;
}
// Determine if this is the place where we should insert
- if ((AddBefore || InsertBefore) && RelPos == I->getPath().str())
+ if (AddBefore && RelPos == I->getPath().str())
insert_spot = I;
else if (AddAfter && RelPos == I->getPath().str()) {
insert_spot = I;
}
// We're done editting, reconstruct the archive.
- if (TheArchive->writeToDisk(TruncateNames,ErrMsg))
+ if (TheArchive->writeToDisk(ErrMsg))
return true;
return false;
}
+bool shouldCreateArchive(ArchiveOperation Op) {
+ switch (Op) {
+ case Print:
+ case Delete:
+ case Move:
+ case DisplayTable:
+ case Extract:
+ return false;
+
+ case QuickAppend:
+ case ReplaceOrInsert:
+ return true;
+ }
+
+ llvm_unreachable("Missing entry in covered switch.");
+}
+
// main - main program for llvm-ar .. see comments in the code
int main(int argc, char **argv) {
program_name = argv[0];
// can't handle the grouped positional parameters without a dash.
ArchiveOperation Operation = parseCommandLine();
- // Check the path name of the archive
- sys::Path ArchivePath;
- if (!ArchivePath.set(ArchiveName)) {
- errs() << argv[0] << ": Archive name invalid: " << ArchiveName << "\n";
- return 1;
- }
-
// Create or open the archive object.
- bool Exists;
- if (llvm::sys::fs::exists(ArchivePath.str(), Exists) || !Exists) {
+ if (shouldCreateArchive(Operation) && !llvm::sys::fs::exists(ArchiveName)) {
// Produce a warning if we should and we're creating the archive
if (!Create)
- errs() << argv[0] << ": creating " << ArchivePath.str() << "\n";
- TheArchive = Archive::CreateEmpty(ArchivePath.str(), Context);
+ errs() << argv[0] << ": creating " << ArchiveName << "\n";
+ TheArchive = Archive::CreateEmpty(ArchiveName, Context);
TheArchive->writeToDisk();
- } else {
+ }
+
+ if (!TheArchive) {
std::string Error;
- TheArchive = Archive::OpenAndLoad(ArchivePath.str(), Context, &Error);
+ TheArchive = Archive::OpenAndLoad(ArchiveName, Context, &Error);
if (TheArchive == 0) {
- errs() << argv[0] << ": error loading '" << ArchivePath.str() << "': "
+ errs() << argv[0] << ": error loading '" << ArchiveName << "': "
<< Error << "!\n";
return 1;
}
case ReplaceOrInsert: haveError = doReplaceOrInsert(&ErrMsg); break;
case DisplayTable: haveError = doDisplayTable(&ErrMsg); break;
case Extract: haveError = doExtract(&ErrMsg); break;
- case NoOperation:
- errs() << argv[0] << ": No operation was selected.\n";
- break;
}
if (haveError) {
errs() << argv[0] << ": " << ErrMsg << "\n";
projects / oota-llvm.git / blobdiff