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Use preprocessor conditionals to check if makedev() is present

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makedev() is not portable and is typically implemented as a
macro.  If it exists use it, otherwise silently ignore character
and block devices.
This commit is contained in:
sin 2014-01-28 16:54:41 +00:00
parent 203b52c38a
commit c83aef2cda
1 changed files with 2 additions and 0 deletions
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tar.c
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@ -245,12 +245,14 @@ unarchive(char *fname, int l, char b[Blksiz])
break;
case CHARDEV:
case BLOCKDEV:
#ifdef makedev
mode = strtoul(h->mode, 0, 8);
major = strtoul(h->major, 0, 8);
minor = strtoul(h->mode, 0, 8);
type = (h->type == CHARDEV) ? S_IFCHR : S_IFBLK;
if(mknod(fname, type | mode, makedev(major, minor)))
perror(fname);
#endif
break;
case FIFO:
mode = strtoul(h->mode, 0, 8);