diff options
Diffstat (limited to 'src/kmk/kmkbuiltin/mscfakes.c')
| -rw-r--r-- | src/kmk/kmkbuiltin/mscfakes.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/src/kmk/kmkbuiltin/mscfakes.c b/src/kmk/kmkbuiltin/mscfakes.c index c3be36f..7d040ff 100644 --- a/src/kmk/kmkbuiltin/mscfakes.c +++ b/src/kmk/kmkbuiltin/mscfakes.c @@ -1,10 +1,10 @@ -/* $Id: mscfakes.c 2243 2009-01-10 02:24:02Z bird $ */ +/* $Id: mscfakes.c 2484 2011-07-21 19:01:08Z bird $ */ /** @file * Fake Unix stuff for MSC. */ /* - * Copyright (c) 2005-2009 knut st. osmundsen <bird-kBuild-spamix@anduin.net> + * Copyright (c) 2005-2010 knut st. osmundsen <bird-kBuild-spamx@anduin.net> * * This file is part of kBuild. * @@ -157,6 +157,9 @@ msc_set_errno(DWORD dwErr) case ERROR_ALREADY_EXISTS: errno = EEXIST; break; case ERROR_FILENAME_EXCED_RANGE: errno = ENOENT; break; case ERROR_NESTING_NOT_ALLOWED: errno = EAGAIN; break; +#ifdef EMLINK + case ERROR_TOO_MANY_LINKS: errno = EMLINK; break; +#endif } return -1; @@ -212,7 +215,6 @@ int lchmod(const char *pszPath, mode_t mode) int msc_chmod(const char *pszPath, mode_t mode) { int rc = 0; - int saved_errno; int fMustBeDir; char *pszPathFree = msc_fix_path(&pszPath, &fMustBeDir); @@ -255,11 +257,32 @@ int msc_chmod(const char *pszPath, mode_t mode) } +typedef BOOL (WINAPI *PFNCREATEHARDLINKA)(LPCSTR, LPCSTR, LPSECURITY_ATTRIBUTES); int link(const char *pszDst, const char *pszLink) { - errno = ENOSYS; - err(1, "link() is not implemented on windows!"); - return -1; + static PFNCREATEHARDLINKA s_pfnCreateHardLinkA = NULL; + static int s_fTried = FALSE; + + /* The API was introduced in Windows 2000, so resolve it dynamically. */ + if (!s_pfnCreateHardLinkA) + { + if (!s_fTried) + { + HMODULE hmod = LoadLibrary("KERNEL32.DLL"); + if (hmod) + *(FARPROC *)&s_pfnCreateHardLinkA = GetProcAddress(hmod, "CreateHardLinkA"); + s_fTried = TRUE; + } + if (!s_pfnCreateHardLinkA) + { + errno = ENOSYS; + return -1; + } + } + + if (s_pfnCreateHardLinkA(pszLink, pszDst, NULL)) + return 0; + return msc_set_errno(GetLastError()); } |