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updated for version 7.3.767

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Problem:    (Win32) The _errno used for iconv may be the wrong one.
Solution:   Use the _errno from iconv.dll. (Ken Takata)
This commit is contained in:
Bram Moolenaar
2013-01-17 14:39:47 +01:00
parent 117f2c4b91
commit 8fae8e658f
2 changed files with 44 additions and 2 deletions
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42
src/mbyte.c
View File

@@ -3242,7 +3242,7 @@ utf_strnicmp(s1, s2, n1, n2)
/*
* Version of strnicmp() that handles multi-byte characters.
* Needed for Big5, Sjift-JIS and UTF-8 encoding. Other DBCS encodings can
* Needed for Big5, Shift-JIS and UTF-8 encoding. Other DBCS encodings can
* probably use strnicmp(), because there are no ASCII characters in the
* second byte.
* Returns zero if s1 and s2 are equal (ignoring case), the difference between
@@ -4293,6 +4293,44 @@ static HINSTANCE hMsvcrtDLL = 0;
# define DYNAMIC_MSVCRT_DLL "msvcrt.dll"
# endif
/*
* Get the address of 'funcname' which is imported by 'hInst' DLL.
*/
static void *
get_iconv_import_func(HINSTANCE hInst, const char *funcname)
{
PBYTE pImage = (PBYTE)hInst;
PIMAGE_DOS_HEADER pDOS = (PIMAGE_DOS_HEADER)hInst;
PIMAGE_NT_HEADERS pPE;
PIMAGE_IMPORT_DESCRIPTOR pImpDesc;
PIMAGE_THUNK_DATA pIAT; /* Import Address Table */
PIMAGE_THUNK_DATA pINT; /* Import Name Table */
PIMAGE_IMPORT_BY_NAME pImpName;
if (pDOS->e_magic != IMAGE_DOS_SIGNATURE)
return NULL;
pPE = (PIMAGE_NT_HEADERS)(pImage + pDOS->e_lfanew);
if (pPE->Signature != IMAGE_NT_SIGNATURE)
return NULL;
pImpDesc = (PIMAGE_IMPORT_DESCRIPTOR)(pImage
+ pPE->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT]
.VirtualAddress);
for (; pImpDesc->FirstThunk; ++pImpDesc)
{
pIAT = (PIMAGE_THUNK_DATA)(pImage + pImpDesc->FirstThunk);
pINT = (PIMAGE_THUNK_DATA)(pImage + pImpDesc->OriginalFirstThunk);
for (; pIAT->u1.Function; ++pIAT, ++pINT)
{
if (IMAGE_SNAP_BY_ORDINAL(pINT->u1.Ordinal))
continue;
pImpName = (PIMAGE_IMPORT_BY_NAME)(pImage + pINT->u1.AddressOfData);
if (strcmp(pImpName->Name, funcname) == 0)
return (void *)pIAT->u1.Function;
}
}
return NULL;
}
/*
* Try opening the iconv.dll and return TRUE if iconv() can be used.
*/
@@ -4326,6 +4364,8 @@ iconv_enabled(verbose)
iconv_open = (void *)GetProcAddress(hIconvDLL, "libiconv_open");
iconv_close = (void *)GetProcAddress(hIconvDLL, "libiconv_close");
iconvctl = (void *)GetProcAddress(hIconvDLL, "libiconvctl");
iconv_errno = get_iconv_import_func(hIconvDLL, "_errno");
if (iconv_errno == NULL)
iconv_errno = (void *)GetProcAddress(hMsvcrtDLL, "_errno");
if (iconv == NULL || iconv_open == NULL || iconv_close == NULL
|| iconvctl == NULL || iconv_errno == NULL)

2
src/version.c
View File

@@ -725,6 +725,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
767,
/**/
766,
/**/