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osx port: update SDLMain.m from SDL hg repository/SDL-1.2 branch. 

git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@900 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
sezero 2014-04-18 16:05:59 +00:00
parent d75aafddbb
commit fd79bed7f7
1 changed files with 33 additions and 2 deletions
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35
MacOSX/SDLMain.m
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@ -62,12 +62,43 @@ BOOL gCalledAppMainline = FALSE;
# undef main
#endif
static int IsRootCwd()
{
char buf[MAXPATHLEN];
char *cwd = getcwd(buf, sizeof (buf));
return (cwd && (strcmp(cwd, "/") == 0));
}
static int IsTenPointNineOrLater()
{
/* Gestalt() is deprecated in 10.8, but I don't care. Stop using SDL 1.2. */
SInt32 major, minor;
Gestalt(gestaltSystemVersionMajor, &major);
Gestalt(gestaltSystemVersionMinor, &minor);
return ( ((major << 16) | minor) >= ((10 << 16) | 9) );
}
static int IsFinderLaunch(const int argc, char **argv)
{
const int bIsNewerOS = IsTenPointNineOrLater();
/* -psn_XXX is passed if we are launched from Finder in 10.8 and earlier */
if ( (!bIsNewerOS) && (argc >= 2) && (strncmp(argv[1], "-psn", 4) == 0) ) {
return 1;
} else if ((bIsNewerOS) && (argc == 1) && IsRootCwd()) {
/* we might still be launched from the Finder; on 10.9+, you might not
get the -psn command line anymore. Check version, if there's no
command line, and if our current working directory is "/". */
return 1;
}
return 0; /* not a Finder launch. */
}
/* Main entry point to executable - should *not* be SDL_main! */
int main (int argc, char **argv)
{
/* Copy the arguments into a global variable */
/* This is passed if we are launched by double-clicking */
if ( argc >= 2 && strncmp (argv[1], "-psn", 4) == 0 ) {
if (IsFinderLaunch(argc, argv)) {
gArgv = (char **) SDL_malloc(sizeof (char *) * 2);
gArgv[0] = argv[0];
gArgv[1] = NULL;