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-rw-r--r--src/file.cpp39
1 files changed, 30 insertions, 9 deletions
diff --git a/src/file.cpp b/src/file.cpp
index a0c3fd8..0566ee8 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -12,6 +12,7 @@
12#include <fcntl.h> 12#include <fcntl.h>
13#include <unistd.h> 13#include <unistd.h>
14#include <stdlib.h> // for mkstemp 14#include <stdlib.h> // for mkstemp
15#include <time.h>
15 16
16#include "bu/config.h" 17#include "bu/config.h"
17 18
@@ -189,21 +190,41 @@ void Bu::File::setBlocking( bool bBlocking )
189 190
190Bu::File Bu::File::tempFile( Bu::FString &sName ) 191Bu::File Bu::File::tempFile( Bu::FString &sName )
191{ 192{
192#ifndef WIN32 193 uint32_t iX;
193 int afh_d = mkstemp( sName.getStr() ); 194 iX = time( NULL ) + getpid();
195 int iXes;
196 for( iXes = sName.getSize()-1; iXes >= 0; iXes-- )
197 {
198 if( sName[iXes] != 'X' )
199 break;
200 }
201 iXes++;
202 if( iXes == sName.getSize() )
203 throw Bu::ExceptionBase("Invalid temporary filename template.");
204 for( int iter = 0; iter < 100; iter++ )
205 {
206 for( int j = iXes; j < sName.getSize(); j++ )
207 {
208 iX = (1103515245 * iX + 12345);
209 sName[j] = ('A'+(iX%26)) | ((iX&0x1000)?(0x20):(0));
210 }
194 211
195 return Bu::File( afh_d ); 212 try
196#else 213 {
197 return Bu::File( sName, Bu::File::Write|Bu::File::Create ); 214 return Bu::File( sName, Bu::File::Read|Bu::File::Write
198#endif 215 |Bu::File::Create|Bu::File::Exclusive );
216 } catch(...) { }
217 }
218 throw Bu::FileException("Failed to create unique temporary file after 100"
219 " iterations.");
199} 220}
200 221
201void Bu::File::setSize( long iSize ) 222void Bu::File::setSize( long iSize )
202{ 223{
203#ifndef WIN32 224#ifdef WIN32
204 ftruncate( fd, iSize ); 225 chsize( fd, iSize );
205#else 226#else
206#warning Bu::File::setSize not implemented on this platform 227 ftruncate( fd, iSize );
207#endif 228#endif
208} 229}
209 230