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authorUlrich Drepper <drepper@redhat.com>2002-09-24 04:19:03 +0000
committerUlrich Drepper <drepper@redhat.com>2002-09-24 04:19:03 +0000
commitfa00744e514a99087f5fe70cac9334b29a04c93a (patch)
treeafb188699c7ba3d139c0c1e5962a749bec6480b7 /iconv/iconv_prog.c
parentf2a444335f8deabb58145db315b33a87e4f576da (diff)
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Update.
* iconv/iconv_prog.c (main): Provide an error message that identifies the wrong encoding. 2002-09-22 Bruno Haible <bruno@clisp.org> * iconvdata/tscii.c: New file. * iconvdata/testdata/TSCII: New file. * iconvdata/testdata/TSCII..UTF8: New file. * iconvdata/TSCII.precomposed: New file. * iconvdata/TSCII.irreversible: New file. * iconvdata/gconv-modules (TSCII): New module. * iconvdata/Makefile (modules): Add TSCII. (distribute): Add tscii.c. * iconvdata/tst-table-from.c (try, utf8_decode, main): Double output buffer size. * iconvdata/tst-tables.sh: Add TSCII. * iconvdata/TESTS: Add TSCII. 2002-09-22 Bruno Haible <bruno@clisp.org> Revert 2002-04-18 patch. * iconvdata/euc-jisx0213.c (EMIT_SHIFT_TO_INIT, BODY for FROM_DIRECTION): Make the FROM direction stateful again. * iconvdata/shift_jisx0213.c (EMIT_SHIFT_TO_INIT, BODY for FROM_DIRECTION): Likewise. 2002-09-22 Bruno Haible <bruno@clisp.org>
Diffstat (limited to 'iconv/iconv_prog.c')
-rw-r--r--iconv/iconv_prog.c46
1 files changed, 42 insertions, 4 deletions
diff --git a/iconv/iconv_prog.c b/iconv/iconv_prog.c
index a67c6ebad1..dd1b9689b6 100644
--- a/iconv/iconv_prog.c
+++ b/iconv/iconv_prog.c
@@ -28,6 +28,7 @@
#include <langinfo.h>
#include <locale.h>
#include <search.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -216,10 +217,47 @@ main (int argc, char *argv[])
if (cd == (iconv_t) -1)
{
if (errno == EINVAL)
- error (EXIT_FAILURE, 0,
- _("conversion from `%s' to `%s' not supported"),
- from_code[0] ? from_code : nl_langinfo (CODESET),
- orig_to_code[0] ? orig_to_code : nl_langinfo (CODESET));
+ {
+ /* Try to be nice with the user and tell her which of the
+ two encoding names is wrong. This is possible because
+ all supported encodings can be converted from/to Unicode,
+ in other words, because the graph of encodings is
+ connected. */
+ bool from_wrong =
+ (iconv_open ("UTF-8", from_code) == (iconv_t) -1
+ && errno == EINVAL);
+ bool to_wrong =
+ (iconv_open (to_code, "UTF-8") == (iconv_t) -1
+ && errno == EINVAL);
+ const char *from_pretty =
+ (from_code[0] ? from_code : nl_langinfo (CODESET));
+ const char *to_pretty =
+ (orig_to_code[0] ? orig_to_code : nl_langinfo (CODESET));
+
+ if (from_wrong)
+ {
+ if (to_wrong)
+ error (EXIT_FAILURE, 0,
+ _("\
+conversions from `%s' and to `%s' are not supported"),
+ from_pretty, to_pretty);
+ else
+ error (EXIT_FAILURE, 0,
+ _("conversion from `%s' is not supported"),
+ from_pretty);
+ }
+ else
+ {
+ if (to_wrong)
+ error (EXIT_FAILURE, 0,
+ _("conversion to `%s' is not supported"),
+ to_pretty);
+ else
+ error (EXIT_FAILURE, 0,
+ _("conversion from `%s' to `%s' is not supported"),
+ from_pretty, to_pretty);
+ }
+ }
else
error (EXIT_FAILURE, errno,
_("failed to start conversion processing"));