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/***************************************************************************
*
* $Header: /home/werner/ytree/RCS/lha.c,v 1.10 1997/08/13 12:24:58 werner Rel $
*
* Funktionen zum Lesen des Dateibaumes aus LHA-Dateien
*
***************************************************************************/
#include "ytree.h"
static int GetStatFromLHA(char *lha_line, char *name, struct stat *stat);
/* Dateibaum aus LHA-Listing lesen */
/*---------------------------------*/
int ReadTreeFromLHA(DirEntry *dir_entry, FILE *f)
{
char lha_line[LHA_LINE_LENGTH + 1];
char path_name[PATH_LENGTH +1];
struct stat stat;
BOOL dir_flag = FALSE;
*dir_entry->name = '\0';
while( fgets( lha_line, LHA_LINE_LENGTH, f ) != NULL )
{
/* \n loeschen */
/*-------------*/
lha_line[ strlen( lha_line ) - 1 ] = '\0';
if( ( (strlen( lha_line ) > (unsigned) 55 && lha_line[55] == ':' ) ||
(strlen( lha_line ) > (unsigned) 61 && lha_line[61] == ':' ) ) &&
lha_line[34] != '*' && strncmp( &lha_line[1], "Total", 5 ) )
{
/* gueltiger Eintrag */
/*-------------------*/
if( GetStatFromLHA( lha_line, path_name, &stat ) )
{
(void) sprintf( message, "unknown lhainfo*%s", lha_line );
MESSAGE( message );
}
else
{
/* File */
/*------*/
#ifdef DEBUG
fprintf( stderr, "FILE: \"%s\"\n", path_name );
#endif
(void) InsertArchiveFileEntry( dir_entry, path_name, &stat );
}
}
}
if( dir_flag == FALSE )
{
statistic.disk_total_directories++;
(void) memset( (char *) &dir_entry->stat_struct, 0, sizeof( struct stat ) );
dir_entry->stat_struct.st_mode = S_IFDIR;
}
return( MinimizeArchiveTree( dir_entry ) );
}
static int GetStatFromLHA(char *lha_line, char *name, struct stat *stat)
{
char *t, *old;
char modus[11];
BOOL dos_mode = FALSE;
int i, id;
struct tm tm_struct;
static char *month[] = { "Jan", "Feb", "Mar", "Apr", "Mai", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
(void) memset( stat, 0, sizeof( struct stat ) );
stat->st_nlink = 1;
t = Strtok_r( lha_line, " \t", &old ); if( t == NULL ) return( -1 );
/* Attributes */
/*------------*/
if( strlen( t ) == 9 && *t != '[' )
{
*modus = '-';
(void) strcpy( &modus[1], t );
stat->st_mode = GetModus( modus );
}
else if( *t == '[' )
{
stat->st_mode = GetModus( "-rw-r--r--" );
dos_mode = TRUE;
}
else return( -1 );
t = Strtok_r( NULL, " \t/", &old ); if( t == NULL ) return( -1 );
if( dos_mode )
{
stat->st_uid = getuid();
stat->st_gid = getgid();
}
else
{
/* Owner */
/*-------*/
id = atoi( t );
stat->st_uid = (unsigned) id;
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
/* Group */
/*-------*/
id = atoi( t );
stat->st_gid = (unsigned) id;
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
}
/* Packed-Size */
/*-------------*/
if( !isdigit( *t ) ) return( -1 );
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
/* Dateilaenge */
/*-------------*/
if( !isdigit( *t ) ) return( -1 );
stat->st_size = atol( t );
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
/* Ratio */
/*-------*/
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
/* CRC */
/*-----*/
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
if( lha_line[61] == ':' )
{
/* ??? */
/*-----*/
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
}
/* M-Datum */
/*---------*/
for( i=0; i < 12; i++ )
{
if( !strcmp( t, month[i] ) ) break;
}
if( i >= 12 ) i = 0;
tm_struct.tm_mon = i;
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
tm_struct.tm_mday = atoi( t );
t = Strtok_r( NULL, " \t:", &old ); if( t == NULL ) return( -1 );
tm_struct.tm_hour = atoi( t );
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
tm_struct.tm_min = atoi( t );
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
if( lha_line[41] == '-' )
{
/* ??? */
tm_struct.tm_year = 70; /* Start UNIX-Time */
}
else
{
tm_struct.tm_year = atoi( t ) - 1900;
t = Strtok_r( NULL, " \t", &old ); if( t == NULL ) return( -1 );
}
tm_struct.tm_sec = 0;
tm_struct.tm_isdst = -1;
stat->st_atime = 0;
stat->st_ctime = 0;
stat->st_mtime = Mktime( &tm_struct );
/* Dateiname */
/*-----------*/
(void) strcpy( name, t );
return( 0 );
}
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