Mercurial > vim
changeset 4025:be1cffa1e477 v7.3.767
updated for version 7.3.767
Problem: (Win32) The _errno used for iconv may be the wrong one.
Solution: Use the _errno from iconv.dll. (Ken Takata)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Thu, 17 Jan 2013 14:39:47 +0100 |
| parents | 3db63a248b16 |
| children | d7b049beee14 |
| files | src/mbyte.c src/version.c |
| diffstat | 2 files changed, 44 insertions(+), 2 deletions(-) [+] |
line wrap: on
line diff
--- a/src/mbyte.c +++ b/src/mbyte.c @@ -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 @@ -4294,6 +4294,44 @@ static HINSTANCE hMsvcrtDLL = 0; # 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. */ int @@ -4326,7 +4364,9 @@ iconv_enabled(verbose) iconv_open = (void *)GetProcAddress(hIconvDLL, "libiconv_open"); iconv_close = (void *)GetProcAddress(hIconvDLL, "libiconv_close"); iconvctl = (void *)GetProcAddress(hIconvDLL, "libiconvctl"); - iconv_errno = (void *)GetProcAddress(hMsvcrtDLL, "_errno"); + 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) {