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updated for version 7.3.814

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Problem:    Can't input multibyte characters on Win32 console if 'encoding' is
            different from current codepage.
Solution:   Use convert_input_safe() instead of convert_input().  Make
            string_convert_ext() return an error for incomplete input. (Ken
            Takata)
This commit is contained in:
Bram Moolenaar
2013-02-13 16:49:58 +01:00
parent a3914327f7
commit ffeedec023
3 changed files with 57 additions and 4 deletions
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40
src/os_win32.c
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@@ -1466,6 +1466,11 @@ mch_inchar(
#define TYPEAHEADLEN 20
static char_u typeahead[TYPEAHEADLEN]; /* previously typed bytes. */
static int typeaheadlen = 0;
#ifdef FEAT_MBYTE
static char_u *rest = NULL; /* unconverted rest of previous read */
static int restlen = 0;
int unconverted;
#endif
/* First use any typeahead that was kept because "buf" was too small. */
if (typeaheadlen > 0)
@@ -1569,6 +1574,33 @@ mch_inchar(
c = tgetch(&modifiers, &ch2);
#ifdef FEAT_MBYTE
/* stolen from fill_input_buf() in ui.c */
if (rest != NULL)
{
/* Use remainder of previous call, starts with an invalid
* character that may become valid when reading more. */
if (restlen > TYPEAHEADLEN - typeaheadlen)
unconverted = TYPEAHEADLEN - typeaheadlen;
else
unconverted = restlen;
mch_memmove(typeahead + typeaheadlen, rest, unconverted);
if (unconverted == restlen)
{
vim_free(rest);
rest = NULL;
}
else
{
restlen -= unconverted;
mch_memmove(rest, rest + unconverted, restlen);
}
typeaheadlen += unconverted;
}
else
unconverted = 0;
#endif
if (typebuf_changed(tb_change_cnt))
{
/* "buf" may be invalid now if a client put something in the
@@ -1604,8 +1636,12 @@ mch_inchar(
* when 'tenc' is set. */
if (input_conv.vc_type != CONV_NONE
&& (ch2 == NUL || c != K_NUL))
n = convert_input(typeahead + typeaheadlen, n,
TYPEAHEADLEN - typeaheadlen);
{
typeaheadlen -= unconverted;
n = convert_input_safe(typeahead + typeaheadlen,
n + unconverted, TYPEAHEADLEN - typeaheadlen,
rest == NULL ? &rest : NULL, &restlen);
}
#endif
/* Use the ALT key to set the 8th bit of the character