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authorRob Landley <rob@landley.net>2019-04-21 19:47:16 -0500
committerRob Landley <rob@landley.net>2019-04-21 19:47:16 -0500
commit106d81abd8dacfc7fdbc2c94cbaafb0d18950649 (patch)
tree8f09f6da325abefdf98184421c3de49ef4754842 /toys/pending
parent7964e1f78b58d9c365361cc36b0422d9d56cd204 (diff)
downloadtoybox-106d81abd8dacfc7fdbc2c94cbaafb0d18950649.tar.gz
Promote gzip/zcat but keep gunzip default n until lib/deflate.c finished.
Diffstat (limited to 'toys/pending')
-rw-r--r--toys/pending/gzip.c171
1 files changed, 0 insertions, 171 deletions
diff --git a/toys/pending/gzip.c b/toys/pending/gzip.c
deleted file mode 100644
index 56d1e46a..00000000
--- a/toys/pending/gzip.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* gzip.c - gzip/gunzip/zcat
- *
- * Copyright 2017 The Android Open Source Project
- *
- * GZIP RFC: http://www.ietf.org/rfc/rfc1952.txt
- *
- * todo: qtv --rsyncable
-
-// gzip.net version allows all options for all commands.
-USE_GZIP(NEWTOY(gzip, "cdfk123456789[-123456789]", TOYFLAG_USR|TOYFLAG_BIN))
-USE_GUNZIP(NEWTOY(gunzip, "cdfk123456789[-123456789]", TOYFLAG_USR|TOYFLAG_BIN))
-USE_ZCAT(NEWTOY(zcat, "cdfk123456789[-123456789]", TOYFLAG_USR|TOYFLAG_BIN))
-
-config GZIP
- bool "gzip"
- default n
- help
- usage: gzip [-19cdfk] [FILE...]
-
- Compress files. With no files, compresses stdin to stdout.
- On success, the input files are removed and replaced by new
- files with the .gz suffix.
-
- -c Output to stdout
- -d Decompress (act as gunzip)
- -f Force: allow overwrite of output file
- -k Keep input files (default is to remove)
- -# Compression level 1-9 (1:fastest, 6:default, 9:best)
-
-config GUNZIP
- bool "gunzip"
- default n
- help
- usage: gunzip [-cfk] [FILE...]
-
- Decompress files. With no files, decompresses stdin to stdout.
- On success, the input files are removed and replaced by new
- files without the .gz suffix.
-
- -c Output to stdout (act as zcat)
- -f Force: allow read from tty
- -k Keep input files (default is to remove)
-
-config ZCAT
- bool "zcat"
- default n
- help
- usage: zcat [FILE...]
-
- Decompress files to stdout. Like `gzip -dc`.
-
- -f Force: allow read from tty
-*/
-
-#define FORCE_FLAGS
-#define FOR_gzip
-#include "toys.h"
-
-GLOBALS(
- int level;
-)
-
-// Use assembly optimized zlib code?
-#if CFG_TOYBOX_LIBZ
-#include <zlib.h>
-
-// Read from in_fd, write to out_fd, decompress if dd else compress
-static int do_deflate(int in_fd, int out_fd, int dd, int level)
-{
- int len, err = 0;
- char *b = "r";
- gzFile gz;
-
- if (!dd) {
- sprintf(b = toybuf, "w%d", level);
- if (out_fd == 1) out_fd = xdup(out_fd);
- }
- if (!(gz = gzdopen(dd ? in_fd : out_fd, b))) perror_exit("gzdopen");
- if (dd) {
- while ((len = gzread(gz, toybuf, sizeof(toybuf))) > 0)
- if (len != writeall(out_fd, toybuf, len)) break;
- } else {
- while ((len = read(in_fd, toybuf, sizeof(toybuf))) > 0)
- if (len != gzwrite(gz, toybuf, len)) break;
- }
-
- err = !!len;
- if (len>0 || err == Z_ERRNO) perror_msg(dd ? "write" : "read");
- if (len<0)
- error_msg("%s%s: %s", "gz", dd ? "read" : "write", gzerror(gz, &len));
-
- if (gzclose(gz) != Z_OK) perror_msg("gzclose"), err++;
-
- return err;
-}
-
-// Use toybox's builtin lib/deflate.c
-#else
-
-// Read from in_fd, write to out_fd, decompress if dd else compress
-static int do_deflate(int in_fd, int out_fd, int dd, int level)
-{
- int x;
-
- if (dd) WOULD_EXIT(x, gunzip_fd(in_fd, out_fd));
- else WOULD_EXIT(x, gzip_fd(in_fd, out_fd));
-
- return x;
-}
-
-#endif
-
-static void do_gzip(int ifd, char *in)
-{
- struct stat sb;
- char *out = 0;
- int ofd = 0;
-
- // Are we writing to stdout?
- if (!ifd || FLAG(c)) ofd = 1;
- if (isatty(ifd)) {
- if (!FLAG(f)) return error_msg("%s:need -f to read TTY"+3*!!ifd, in);
- else ofd = 1;
- }
-
- // Are we reading file.gz to write to file?
- if (!ofd) {
- if (fstat(ifd, &sb)) return perror_msg("%s", in);
-
- // Add or remove .gz suffix as necessary
- if (!FLAG(d)) out = xmprintf("%s%s", in, ".gz");
- else if ((out = strend(out, ".gz"))>in) out = xstrndup(out, out-in);
- else return error_msg("no .gz: %s", in);
-
- ofd = xcreate(out, O_CREAT|O_WRONLY|WARN_ONLY|(O_EXCL*!FLAG(f)),sb.st_mode);
- if (ofd == -1) return;
- }
-
- if (do_deflate(ifd, ofd, FLAG(d), TT.level)) in = out;
-
- if (out) {
- struct timespec times[] = {sb.st_atim, sb.st_mtim};
-
- if (futimens(ofd, times)) perror_exit("utimensat");
- close(ofd);
- if (!FLAG(k) && in && unlink(in)) perror_msg("unlink %s", in);
- free(out);
- }
-}
-
-void gzip_main(void)
-{
- // This depends on 1-9 being at the end of the option list
- for (TT.level = 0; TT.level<9; TT.level++)
- if ((toys.optflags>>TT.level)&1) break;
- if (!(TT.level = 9-TT.level)) TT.level = 6;
-
- loopfiles(toys.optargs, do_gzip);
-}
-
-void gunzip_main(void)
-{
- toys.optflags |= FLAG_d;
- gzip_main();
-}
-
-void zcat_main(void)
-{
- toys.optflags |= (FLAG_c|FLAG_d);
- gzip_main();
-}