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New command -concat

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This commit is contained in:
Thomas Schmitt
2014-04-21 13:18:38 +00:00
parent 8d4867c9a4
commit 642ec7ca89
17 changed files with 712 additions and 129 deletions
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52
libisoburn/trunk/xorriso/sfile.c
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@ -1,7 +1,7 @@
/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
Copyright 2007-2012 Thomas Schmitt, <scdbackup@gmx.net>
Copyright 2007-2014 Thomas Schmitt, <scdbackup@gmx.net>
Provided under GPL version 2 or later.
@ -227,12 +227,30 @@ int Sfile_being_group_member(struct stat *stbuf, int flag)
}
int Sfile_get_dev_fd_no(char *filename, int flag)
{
int i, fd= -1;
if(strncmp(filename, "/dev/fd/", 8) != 0)
return(-1);
for(i = 8; filename[i]; i++)
if(filename[i] < '0' || filename[i] > '9')
break;
if(i > 8 && filename[i] == 0)
sscanf(filename + 8, "%d", &fd);
if(fd < 0)
fd = -1;
return(fd);
}
int Sfile_type(char *filename, int flag)
/*
bit0= return -1 if file is missing
bit1= return a hardlink with siblings as type 5
bit2= evaluate eventual link target rather than the link object itself
bit3= return a socket or a char device as types 7 or 8 rather than 0
bit4= interpret /dev/fd/#fd# as open file descriptor fd
*/
/*
return:
@ -245,10 +263,20 @@ int Sfile_type(char *filename, int flag)
6=block device
7=socket (with bit3)
8=character device (with bit3)
| 1024 if interpreted as /dev/fd/#fd#
| 2048 if interpreted as /dev/fd/#fd# and not fstatable
*/
{
struct stat stbuf;
if(flag&4) {
int fd= -1, was_dev_fd= 0, ret;
if(flag & 16)
fd= Sfile_get_dev_fd_no(filename, 0);
if(fd != -1) {
was_dev_fd= 1;
if(fstat(fd, &stbuf) == -1)
return(1024 | 2048);
} else if(flag&4) {
if(stat(filename,&stbuf)==-1) {
if(flag&1) return(-1);
else return(0);
@ -262,24 +290,26 @@ int Sfile_type(char *filename, int flag)
if(S_ISREG(stbuf.st_mode)) {
if(flag&2)
if(stbuf.st_nlink>1)
return(5);
return(1);
{ret= 5; goto ex;}
{ret= 1; goto ex;}
}
if(S_ISDIR(stbuf.st_mode))
return(2);
{ret= 2; goto ex;}
if((stbuf.st_mode&S_IFMT)==S_IFLNK)
return(3);
{ret= 3; goto ex;}
if(S_ISFIFO(stbuf.st_mode))
return(4);
{ret= 4; goto ex;}
if(S_ISBLK(stbuf.st_mode))
return(6);
{ret= 6; goto ex;}
if(flag&8)
if((stbuf.st_mode&S_IFMT)==S_IFSOCK)
return(7);
{ret= 7; goto ex;}
if(flag&8)
if(S_ISCHR(stbuf.st_mode))
return(8);
return(0);
{ret= 8; goto ex;}
ret = 0;
ex:;
return(ret | (was_dev_fd << 10));
}