Sync with maint
[gitweb.git] / compat / mingw.c
index 667285887a0c536f4b33fcb8cfa7451f23936b69..738f0a826a51b850fcc93f0cadbf707c7eb0b492 100644 (file)
@@ -1407,7 +1407,7 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaen
        do_unset_environment_variables();
 
        /* Determine whether or not we are associated to a console */
-       cons = CreateFile("CONOUT$", GENERIC_WRITE,
+       cons = CreateFileW(L"CONOUT$", GENERIC_WRITE,
                        FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
                        FILE_ATTRIBUTE_NORMAL, NULL);
        if (cons == INVALID_HANDLE_VALUE) {
@@ -1437,7 +1437,9 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaen
        si.hStdOutput = winansi_get_osfhandle(fhout);
        si.hStdError = winansi_get_osfhandle(fherr);
 
-       if (xutftowcs_path(wcmd, cmd) < 0)
+       if (*argv && !strcmp(cmd, *argv))
+               wcmd[0] = L'\0';
+       else if (xutftowcs_path(wcmd, cmd) < 0)
                return -1;
        if (dir && xutftowcs_path(wdir, dir) < 0)
                return -1;
@@ -1466,8 +1468,8 @@ static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **deltaen
        wenvblk = make_environment_block(deltaenv);
 
        memset(&pi, 0, sizeof(pi));
-       ret = CreateProcessW(wcmd, wargs, NULL, NULL, TRUE, flags,
-               wenvblk, dir ? wdir : NULL, &si, &pi);
+       ret = CreateProcessW(*wcmd ? wcmd : NULL, wargs, NULL, NULL, TRUE,
+               flags, wenvblk, dir ? wdir : NULL, &si, &pi);
 
        free(wenvblk);
        free(wargs);
@@ -1949,13 +1951,19 @@ struct passwd *getpwuid(int uid)
        static unsigned initialized;
        static char user_name[100];
        static struct passwd *p;
+       wchar_t buf[100];
        DWORD len;
 
        if (initialized)
                return p;
 
-       len = sizeof(user_name);
-       if (!GetUserName(user_name, &len)) {
+       len = ARRAY_SIZE(buf);
+       if (!GetUserNameW(buf, &len)) {
+               initialized = 1;
+               return NULL;
+       }
+
+       if (xwcstoutf(user_name, buf, sizeof(user_name)) < 0) {
                initialized = 1;
                return NULL;
        }
@@ -2119,8 +2127,33 @@ int mingw_raise(int sig)
                        sigint_fn(SIGINT);
                return 0;
 
+#if defined(_MSC_VER)
+       case SIGILL:
+       case SIGFPE:
+       case SIGSEGV:
+       case SIGTERM:
+       case SIGBREAK:
+       case SIGABRT:
+       case SIGABRT_COMPAT:
+               /*
+                * The <signal.h> header in the MS C Runtime defines 8 signals
+                * as being supported on the platform. Anything else causes an
+                * "Invalid signal or error" (which in DEBUG builds causes the
+                * Abort/Retry/Ignore dialog). We by-pass the CRT for things we
+                * already know will fail.
+                */
+               return raise(sig);
+       default:
+               errno = EINVAL;
+               return -1;
+
+#else
+
        default:
                return raise(sig);
+
+#endif
+
        }
 }
 
@@ -2302,6 +2335,30 @@ static void setup_windows_environment(void)
        /* simulate TERM to enable auto-color (see color.c) */
        if (!getenv("TERM"))
                setenv("TERM", "cygwin", 1);
+
+       /* calculate HOME if not set */
+       if (!getenv("HOME")) {
+               /*
+                * try $HOMEDRIVE$HOMEPATH - the home share may be a network
+                * location, thus also check if the path exists (i.e. is not
+                * disconnected)
+                */
+               if ((tmp = getenv("HOMEDRIVE"))) {
+                       struct strbuf buf = STRBUF_INIT;
+                       strbuf_addstr(&buf, tmp);
+                       if ((tmp = getenv("HOMEPATH"))) {
+                               strbuf_addstr(&buf, tmp);
+                               if (is_directory(buf.buf))
+                                       setenv("HOME", buf.buf, 1);
+                               else
+                                       tmp = NULL; /* use $USERPROFILE */
+                       }
+                       strbuf_release(&buf);
+               }
+               /* use $USERPROFILE if the home share is not available */
+               if (!tmp && (tmp = getenv("USERPROFILE")))
+                       setenv("HOME", tmp, 1);
+       }
 }
 
 #if !defined(_MSC_VER)
@@ -2412,6 +2469,10 @@ int wmain(int argc, const wchar_t **wargv)
        trace2_initialize_clock();
 
 #ifdef _MSC_VER
+#ifdef _DEBUG
+       _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
+#endif
+
 #ifdef USE_MSVC_CRTDBG
        _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
 #endif