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tar: Support typeflag '\0' when extracting

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POSIX recommends that "For backwards-compatibility, a typeflag value of
binary zero ( '\0' ) should be recognized as meaning a regular file when
extracting files from the archive".
This commit is contained in:
Michael Forney 2014-11-01 20:36:38 +00:00 committed by sin
parent 453ce96d44
commit 0e8a8c9426
1 changed files with 2 additions and 1 deletions
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3
tar.c
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@ -34,7 +34,7 @@ enum {
}; };
enum Type { enum Type {
REG = '0', HARDLINK = '1', SYMLINK = '2', CHARDEV = '3', REG = '0', AREG = '\0', HARDLINK = '1', SYMLINK = '2', CHARDEV = '3',
BLOCKDEV = '4', DIRECTORY = '5', FIFO = '6' BLOCKDEV = '4', DIRECTORY = '5', FIFO = '6'
}; };
@ -230,6 +230,7 @@ unarchive(char *fname, int l, char b[Blksiz])
unlink(fname); unlink(fname);
switch(h->type) { switch(h->type) {
case REG: case REG:
case AREG:
mode = strtoul(h->mode, 0, 8); mode = strtoul(h->mode, 0, 8);
if(!(f = fopen(fname, "w")) || chmod(fname, mode)) if(!(f = fopen(fname, "w")) || chmod(fname, mode))
perror(fname); perror(fname);