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BusyBox has no business hard coding the number of major and minor bits for a

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dev_t.  This is especially important now that the user space concept of a dev_t
and the kernel concept of a dev_t are divergant.  The only bit of user space
allowed to know the number of major and minor bits is include/sys/sysmacros.h
(i.e. part of libc).  When used with a current C library and a 2.6.x kernel,
this fix should allow BusyBox to support wide device major/minor numbers.
 -Erik
This commit is contained in:
Eric Andersen
2004-07-26 09:11:12 +00:00
parent 5dcf15e02d
commit 4f807a84c5
5 changed files with 17 additions and 23 deletions
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4
archival/libunarchive/get_header_tar.c
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@ -121,8 +121,8 @@ extern char get_header_tar(archive_handle_t *archive_handle)
file_header->mtime = strtol(tar.formated.mtime, NULL, 8);
file_header->link_name = (tar.formated.linkname[0] != '\0') ?
bb_xstrdup(tar.formated.linkname) : NULL;
file_header->device = (dev_t) ((strtol(tar.formated.devmajor, NULL, 8) << 8) +
strtol(tar.formated.devminor, NULL, 8));
file_header->device = makedev(strtol(tar.formated.devmajor, NULL, 8),
strtol(tar.formated.devminor, NULL, 8));
/* Set bits 0-11 of the files mode */
file_header->mode = 07777 & strtol(tar.formated.mode, NULL, 8);