I think that the following patch is the solution to the `-o -'
problem, as well as to the one with screwing up one's terminal
with an accidental `genisoimage foo/'.
* Refuse to write image to the terminal, unless `-o -' is specified.
* Make `-o -' an otherwise no-op, since output to stdout is the default
(closes: #426389)
--- src/cdrkit-1.1.6-debian-1/genisoimage/genisoimage.c 2007-03-17
17:59:16.000000000 +0600
+++ devel/cdrkit-1.1.6-debian-1-o-dash-fix/genisoimage/genisoimage.c
2007-11-17 01:42:40.000000000 +0600
@@ -3375,7 +3375,8 @@
exit(1);
#endif
}
- } else if (outfile) {
+ } else if (outfile
+ && strcmp (outfile, "-") != 0) {
discimage = fopen(outfile, "wb");
if (!discimage) {
#ifdef USE_LIBSCHILY
@@ -3406,6 +3407,13 @@
}
write_jt_header(jttemplate, jtjigdo);
}
+ } else if (outfile == NULL
+ && isatty (fileno (stdout))) {
+ /* FIXME: a cleaner way to override this check? */
+ fputs (("image not written to a terminal.\n"
+ "Use -o - to force the output.\n"),
+ stderr);
+ exit (1);
} else {
discimage = stdout;
--
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