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Added new procedures to read files.

This commit is contained in:
Alan Mishchenko 2012-03-11 23:07:27 -07:00
parent 795b5a6ce7
commit 49c13f4f03
2 changed files with 52 additions and 1 deletions
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2
src/misc/extra/extra.h
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@ -104,8 +104,10 @@ extern char * Extra_FileNameExtension( char * FileName );
extern char * Extra_FileNameAppend( char * pBase, char * pSuffix );
extern char * Extra_FileNameGeneric( char * FileName );
extern char * Extra_FileNameGenericAppend( char * pBase, char * pSuffix );
extern int Extra_FileCheck( char * pFileName );
extern int Extra_FileSize( char * pFileName );
extern char * Extra_FileRead( FILE * pFile );
extern char * Extra_FileReadContents( char * pFileName );
extern int Extra_FileIsType( char * pFileName, char * pS1, char * pS2, char * pS3 );
extern char * Extra_TimeStamp();
extern char * Extra_StringAppend( char * pStrGiven, char * pStrAdd );

51
src/misc/extra/extraUtilFile.c
View File

@ -192,6 +192,33 @@ char * Extra_FileNameGenericAppend( char * pBase, char * pSuffix )
return Buffer;
}
/**Function*************************************************************
Synopsis [Returns the file size.]
Description [The file should be closed.]
SideEffects []
SeeAlso []
***********************************************************************/
int Extra_FileCheck( char * pFileName )
{
FILE * pFile;
pFile = fopen( pFileName, "rb" );
if ( pFile == NULL )
{
printf( "Extra_FileCheck(): File \"%s\" does not exist.\n", pFileName );
return 0;
}
fseek( pFile, 0, SEEK_END );
if ( ftell( pFile ) == 0 )
printf( "Extra_FileCheck(): File \"%s\" is empty.\n", pFileName );
fclose( pFile );
return 1;
}
/**Function*************************************************************
Synopsis [Returns the file size.]
@ -207,7 +234,7 @@ int Extra_FileSize( char * pFileName )
{
FILE * pFile;
int nFileSize;
pFile = fopen( pFileName, "r" );
pFile = fopen( pFileName, "rb" );
if ( pFile == NULL )
{
printf( "Extra_FileSize(): The file is unavailable (absent or open).\n" );
@ -250,6 +277,28 @@ char * Extra_FileRead( FILE * pFile )
return pBuffer;
}
/**Function*************************************************************
Synopsis [Read the file into the internal buffer.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
char * Extra_FileReadContents( char * pFileName )
{
FILE * pFile;
char * pBuffer;
pFile = fopen( pFileName, "rb" );
pBuffer = pFile ? Extra_FileRead( pFile ) : NULL;
if ( pFile )
fclose( pFile );
return pBuffer;
}
/**Function*************************************************************
Synopsis [Returns one if the file has a given extension.]