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tar: support symlinks

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This commit is contained in:
K. Lange 2018-10-15 10:18:23 +09:00
parent e912b919c4
commit f6c300f323
1 changed files with 14 additions and 2 deletions
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16
apps/tar.c
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@ -1,5 +1,15 @@
/* vim: ts=4 sw=4 noexpandtab
* tar stuff */
* This file is part of ToaruOS and is released under the terms
* of the NCSA / University of Illinois License - see LICENSE.md
* Copyright (C) 2018 K. Lange
*
* tar - extract archives
*
* This is a very minimal and incomplete implementation of tar.
* It supports on ustar-formatted archives, and its arguments
* must by the - forms. As of writing, creating archives is not
* supported. No compression formats are supported, either.
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
@ -260,7 +270,9 @@ int main(int argc, char * argv[]) {
} else if (file->type[0] == '2') {
char tmp[101] = {0};
strncat(tmp, file->link, 100);
fprintf(stderr, "%s → %s (skipped - TODO)\n", name, tmp);
if (symlink(tmp, name) < 0) {
fprintf(stderr, "%s: %s: %s: %s: %s\n", argv[0], fname, name, tmp, strerror(errno));
}
} else {
fprintf(stderr, "%s: %s: %s: %s\n", argv[0], fname, name, type_to_string(file->type[0]));
}