Alexandre Julliard : ntdll: Generate a Windows format codepage table using the libwine data.
Alexandre Julliard
julliard at winehq.org
Tue Nov 26 16:21:24 CST 2019
Module: wine
Branch: master
Commit: ea20035272cad30406a2e10cefb27d3d0ba5af48
URL: https://source.winehq.org/git/wine.git/?a=commit;h=ea20035272cad30406a2e10cefb27d3d0ba5af48
Author: Alexandre Julliard <julliard at winehq.org>
Date: Tue Nov 26 17:53:51 2019 +0100
ntdll: Generate a Windows format codepage table using the libwine data.
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntdll/locale.c | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 93 insertions(+), 1 deletion(-)
diff --git a/dlls/ntdll/locale.c b/dlls/ntdll/locale.c
index c271cab732..26b2f4203c 100644
--- a/dlls/ntdll/locale.c
+++ b/dlls/ntdll/locale.c
@@ -234,6 +234,88 @@ static NTSTATUS open_nls_data_file( ULONG type, ULONG id, HANDLE *file )
}
+static USHORT *build_cptable( const union cptable *src, SIZE_T *size )
+{
+ unsigned int i, leadbytes = 0;
+ USHORT *data, *ptr;
+
+ *size = 13 + 1 + 256 + 1 + 1 + 1;
+ if (src->info.char_size == 2)
+ {
+ for (i = leadbytes = 0; i < 256; i++) if (src->dbcs.cp2uni_leadbytes[i]) leadbytes++;
+ *size += 256 + 256 * leadbytes;
+ *size += 65536;
+ *size *= sizeof(USHORT);
+ }
+ else
+ {
+ if (src->sbcs.cp2uni_glyphs != src->sbcs.cp2uni) *size += 256;
+ *size *= sizeof(USHORT);
+ *size += 65536;
+ }
+ if (!(data = RtlAllocateHeap( GetProcessHeap(), 0, *size ))) return NULL;
+ ptr = data;
+ ptr[0] = 0x0d;
+ ptr[1] = src->info.codepage;
+ ptr[2] = src->info.char_size;
+ ptr[3] = (src->info.def_char & 0xff00 ?
+ RtlUshortByteSwap( src->info.def_char ) : src->info.def_char);
+ ptr[4] = src->info.def_unicode_char;
+
+ if (src->info.char_size == 2)
+ {
+ USHORT off = src->dbcs.cp2uni_leadbytes[src->info.def_char >> 8] * 256;
+ ptr[5] = src->dbcs.cp2uni[off + (src->info.def_char & 0xff)];
+
+ ptr[6] = src->dbcs.uni2cp_low[src->dbcs.uni2cp_high[src->info.def_unicode_char >> 8]
+ + (src->info.def_unicode_char & 0xff)];
+
+ ptr += 7;
+ memcpy( ptr, src->dbcs.lead_bytes, 12 );
+ ptr += 6;
+ *ptr++ = 256 + 3 + (leadbytes + 1) * 256;
+ for (i = 0; i < 256; i++) *ptr++ = (src->dbcs.cp2uni_leadbytes[i] ? 0 : src->dbcs.cp2uni[i]);
+ *ptr++ = 0;
+ for (i = 0; i < 12; i++) if (!src->dbcs.lead_bytes[i]) break;
+ *ptr++ = i / 2;
+ for (i = 0; i < 256; i++) *ptr++ = 256 * src->dbcs.cp2uni_leadbytes[i];
+ for (i = 0; i < leadbytes; i++, ptr += 256)
+ memcpy( ptr, src->dbcs.cp2uni + 256 * (i + 1), 256 * sizeof(USHORT) );
+ *ptr++ = 4;
+ for (i = 0; i < 65536; i++)
+ ptr[i] = src->dbcs.uni2cp_low[src->dbcs.uni2cp_high[i >> 8] + (i & 0xff)];
+ }
+ else
+ {
+ char *uni2cp;
+
+ ptr[5] = src->sbcs.cp2uni[src->info.def_char];
+ ptr[6] = src->sbcs.uni2cp_low[src->sbcs.uni2cp_high[src->info.def_unicode_char >> 8]
+ + (src->info.def_unicode_char & 0xff)];
+
+ ptr += 7;
+ memset( ptr, 0, 12 );
+ ptr += 6;
+ *ptr++ = 256 + 3 + (src->sbcs.cp2uni_glyphs != src->sbcs.cp2uni ? 256 : 0);
+ memcpy( ptr, src->sbcs.cp2uni, 256 * sizeof(USHORT) );
+ ptr += 256;
+ if (src->sbcs.cp2uni_glyphs != src->sbcs.cp2uni)
+ {
+ *ptr++ = 256;
+ memcpy( ptr + 1, src->sbcs.cp2uni_glyphs, 256 );
+ ptr += 256;
+ }
+ else *ptr++ = 0;
+ *ptr++ = 0;
+ *ptr++ = 0;
+ uni2cp = (char *)ptr;
+ for (i = 0; i < 65536; i++)
+ uni2cp[i] = src->sbcs.uni2cp_low[src->sbcs.uni2cp_high[i >> 8] + (i & 0xff)];
+ }
+ return data;
+}
+
+
#if !defined(__APPLE__) && !defined(__ANDROID__) /* these platforms always use UTF-8 */
/* charset to codepage map, sorted by name */
@@ -604,7 +686,17 @@ NTSTATUS WINAPI NtGetNlsSectionPtr( ULONG type, ULONG id, void *unknown, void **
HANDLE file;
NTSTATUS status;
- if ((status = open_nls_data_file( type, id, &file ))) return status;
+ if ((status = open_nls_data_file( type, id, &file )))
+ {
+ /* FIXME: special case for codepage table, generate it from the libwine data */
+ if (type == NLS_SECTION_CODEPAGE)
+ {
+ const union cptable *table = wine_cp_get_table( id );
+ if (table && (*ptr = build_cptable( table, size ))) return STATUS_SUCCESS;
+ }
+ return status;
+ }
+
if ((status = NtQueryInformationFile( file, &io, &info, sizeof(info), FileEndOfFileInformation )))
goto done;
/* FIXME: return a heap block instead of a file mapping for now */
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