Windows: boost startup by avoiding a static dependency on shell32.dll

diff --git a/compat/mingw.c b/compat/mingw.c
index 0d73f15fa894cb0ded20f0cdd1f7fec3da1643f1..2afc978dfd2dfd74ccb481af6e9618b71a7e3caf 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -3,8 +3,6 @@
 #include <conio.h>
 #include "../strbuf.h"
 
-#include <shellapi.h>
-
 static int err_win_to_posix(DWORD winerr)
 {
        int error = ENOSYS;
@@ -1338,8 +1336,22 @@ static const char *make_backslash_path(const char *path)
 void mingw_open_html(const char *unixpath)
 {
        const char *htmlpath = make_backslash_path(unixpath);
+       typedef HINSTANCE (WINAPI *T)(HWND, const char *,
+                       const char *, const char *, const char *, INT);
+       T ShellExecute;
+       HMODULE shell32;
+
+       shell32 = LoadLibrary("shell32.dll");
+       if (!shell32)
+               die("cannot load shell32.dll");
+       ShellExecute = (T)GetProcAddress(shell32, "ShellExecuteA");
+       if (!ShellExecute)
+               die("cannot run browser");
+
        printf("Launching default browser to display HTML ...\n");
        ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0);
+
+       FreeLibrary(shell32);
 }
 
 int link(const char *oldpath, const char *newpath)