"print the printable strings in a file",
"\
This is like the C<guestfs_strings> command, but allows you to
-specify the encoding.
+specify the encoding of strings that are looked for in
+the source file C<path>.
-See the L<strings(1)> manpage for the full list of encodings.
+Allowed encodings are:
-Commonly useful encodings are C<l> (lower case L) which will
-show strings inside Windows/x86 files.
+=over 4
+
+=item s
+
+Single 7-bit-byte characters like ASCII and the ASCII-compatible
+parts of ISO-8859-X (this is what C<guestfs_strings> uses).
+
+=item S
+
+Single 8-bit-byte characters.
+
+=item b
+
+16-bit big endian strings such as those encoded in
+UTF-16BE or UCS-2BE.
+
+=item l (lower case letter L)
+
+16-bit little endian such as UTF-16LE and UCS-2LE.
+This is useful for examining binaries in Windows guests.
+
+=item B
+
+32-bit big endian such as UCS-4BE.
+
+=item L
+
+32-bit little endian such as UCS-4LE.
+
+=back
The returned strings are transcoded to UTF-8.");
pr "\n";
pr " if (!xdr_guestfs_%s_args (xdr_in, &args)) {\n" name;
if is_filein then
- pr " cancel_receive ();\n";
- pr " reply_with_error (\"daemon failed to decode procedure arguments\");\n";
+ pr " if (cancel_receive () != -2)\n";
+ pr " reply_with_error (\"daemon failed to decode procedure arguments\");\n";
pr " goto done;\n";
pr " }\n";
let pr_args n =
pr " sizeof (char *) * (args.%s.%s_len+1));\n" n n;
pr " if (%s == NULL) {\n" n;
if is_filein then
- pr " cancel_receive ();\n";
- pr " reply_with_perror (\"realloc\");\n";
+ pr " if (cancel_receive () != -2)\n";
+ pr " reply_with_perror (\"realloc\");\n";
pr " goto done;\n";
pr " }\n";
pr " %s[args.%s.%s_len] = NULL;\n" n n n;
| Pathname n ->
pr_args n;
pr " ABS_PATH (%s, %s, goto done);\n"
- n (if is_filein then "cancel_receive ()" else "");
+ n (if is_filein then "cancel_receive ()" else "0");
| Device n ->
pr_args n;
pr " RESOLVE_DEVICE (%s, %s, goto done);\n"
- n (if is_filein then "cancel_receive ()" else "");
+ n (if is_filein then "cancel_receive ()" else "0");
| Dev_or_Path n ->
pr_args n;
pr " REQUIRE_ROOT_OR_RESOLVE_DEVICE (%s, %s, goto done);\n"
- n (if is_filein then "cancel_receive ()" else "");
+ n (if is_filein then "cancel_receive ()" else "0");
| String n -> pr_args n
| OptString n -> pr " %s = args.%s ? *args.%s : NULL;\n" n n n
| StringList n ->
pr " * and perform device name translation. */\n";
pr " { int pvi; for (pvi = 0; physvols[pvi] != NULL; ++pvi)\n";
pr " RESOLVE_DEVICE (physvols[pvi], %s, goto done);\n"
- (if is_filein then "cancel_receive ()" else "");
+ (if is_filein then "cancel_receive ()" else "0");
pr " }\n";
| Bool n -> pr " %s = args.%s;\n" n n
| Int n -> pr " %s = args.%s;\n" n n
(* Emit NEED_ROOT just once, even when there are two or
more Pathname args *)
pr " NEED_ROOT (%s, goto done);\n"
- (if is_filein then "cancel_receive ()" else "");
+ (if is_filein then "cancel_receive ()" else "0");
);
(* Don't want to call the impl with any FileIn or FileOut