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b89a2237ea
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16048 91177308-0d34-0410-b5e6-96231b3b80d8
139 lines
3.3 KiB
C++
139 lines
3.3 KiB
C++
//===- llvm/System/Unix/Path.cpp - Unix Path Implementation -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Reid Spencer and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Unix specific portion of the Path class.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only generic UNIX code that
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//=== is guaranteed to work on all UNIX variants.
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//===----------------------------------------------------------------------===//
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#include "Unix.h"
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#include <sys/stat.h>
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#include <fcntl.h>
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bool
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Path::is_file() const {
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if (!empty() && ((*this)[length()-1] != '/'))
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return true;
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return false;
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}
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bool
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Path::is_directory() const {
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if ((!empty()) && ((*this)[length()-1] == '/'))
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return true;
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return false;
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}
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void
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Path::create( bool create_parents) {
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if ( is_directory() ) {
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if ( create_parents )
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this->create_directories( );
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this->create_directory( );
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} else if ( is_file() ) {
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if ( create_parents )
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this->create_directories( );
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this->create_file( );
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}
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}
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void
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Path::remove() {
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if ( is_directory() ) {
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if ( exists() )
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this->remove_directory( );
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} else if ( is_file() )
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if ( exists() )
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this->remove_file( );
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}
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bool
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Path::exists() {
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char pathname[MAXPATHLEN];
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this->fill(pathname,MAXPATHLEN);
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int lastchar = this->length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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return 0 == access(pathname, F_OK );
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}
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void
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Path::create_directory( ) {
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char pathname[MAXPATHLEN];
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this->fill(pathname,MAXPATHLEN);
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int lastchar = this->length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
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ThrowErrno(pathname);
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}
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void
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Path::create_directories() {
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char pathname[MAXPATHLEN];
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this->fill(pathname,MAXPATHLEN);
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int lastchar = this->length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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char * next = index(pathname,'/');
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if ( pathname[0] == '/')
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next = index(&pathname[1],'/');
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while ( next != 0 )
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{
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*next = 0;
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if (0 != access(pathname, F_OK | R_OK))
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if (0 != mkdir(pathname, S_IRWXU | S_IRWXG))
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ThrowErrno(pathname);
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char* save = next;
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next = index(pathname,'/');
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*save = '/';
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}
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}
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void
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Path::remove_directory()
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{
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char pathname[MAXPATHLEN];
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this->fill(pathname,MAXPATHLEN);
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int lastchar = this->length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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if ( 0 != rmdir(pathname))
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ThrowErrno(pathname);
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}
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void
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Path::create_file() {
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char pathname[MAXPATHLEN];
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this->fill(pathname,MAXPATHLEN);
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int lastchar = this->length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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if (0 != creat(pathname, S_IRUSR | S_IWUSR))
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ThrowErrno(pathname);
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}
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void
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Path::remove_file() {
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char pathname[MAXPATHLEN];
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this->fill(pathname,MAXPATHLEN);
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int lastchar = this->length() - 1 ;
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if (pathname[lastchar] == '/')
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pathname[lastchar] = 0;
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if (0 != unlink(pathname))
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ThrowErrno(pathname);
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}
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// vim: sw=2
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