ckolivas/lrzip
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Add lrzcat symlink which automatically decompresses to stdout.

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Revert automatic compression/decompression to stdout when not outputting to a tty, to be consistent with gzip.
This commit is contained in:
Con Kolivas 2011-05-07 13:22:35 +10:00
parent d80f220c72
commit d033743e6f
10 changed files with 145 additions and 25 deletions
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11
main.c
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@ -505,6 +505,8 @@ int main(int argc, char *argv[])
if (strstr(argv[0], "lrunzip"))
control.flags |= FLAG_DECOMPRESS;
else if (strstr(argv[0], "lrzcat"))
control.flags |= FLAG_DECOMPRESS | FLAG_STDOUT;
control.compression_level = 7;
control.ramsize = get_ram();
@ -610,12 +612,16 @@ int main(int argc, char *argv[])
case 'o':
if (control.outdir)
failure("Cannot have -o and -O together\n");
if (unlikely(STDOUT))
failure("Cannot specify an output filename when outputting to stdout\n");
control.outname = optarg;
control.suffix = "";
break;
case 'O':
if (control.outname) /* can't mix -o and -O */
failure("Cannot have options -o and -O together\n");
if (unlikely(STDOUT))
failure("Cannot specify an output directory when outputting to stdout\n");
control.outdir = malloc(strlen(optarg) + 2);
if (control.outdir == NULL)
fatal("Failed to allocate for outdir\n");
@ -634,6 +640,8 @@ int main(int argc, char *argv[])
case 'S':
if (control.outname)
failure("Specified output filename already, can't specify an extension.\n");
if (unlikely(STDOUT))
failure("Cannot specify a filename suffix when outputting to stdout\n");
control.suffix = optarg;
break;
case 't':
@ -747,9 +755,8 @@ int main(int argc, char *argv[])
}
/* If no output filename is specified, and we're using stdin,
* or we detect that stdout is not going to the terminal,
* use stdout */
if (!control.outname && (STDIN || !isatty(fileno((FILE *)stdout)))) {
if (!control.outname && STDIN) {
control.flags |= FLAG_STDOUT;
control.msgout = stderr;
register_outputfile(control.msgout);