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Fixed basedir calculation on Mac OS X.

This commit is contained in:
Ryan C. Gordon 2011-07-09 23:11:17 -07:00
parent 49a8ff3f86
commit f94d227945
1 changed files with 37 additions and 14 deletions
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51
src/platform_macosx.c
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@ -16,6 +16,7 @@
#include <IOKit/storage/IOCDMedia.h> #include <IOKit/storage/IOCDMedia.h>
#include <IOKit/storage/IODVDMedia.h> #include <IOKit/storage/IODVDMedia.h>
#include <sys/mount.h> #include <sys/mount.h>
#include <sys/stat.h>
/* Seems to get defined in some system header... */ /* Seems to get defined in some system header... */
#ifdef Free #ifdef Free
@ -219,12 +220,15 @@ static char *convertCFString(CFStringRef cfstr)
char *__PHYSFS_platformCalcBaseDir(const char *argv0) char *__PHYSFS_platformCalcBaseDir(const char *argv0)
{ {
ProcessSerialNumber psn = { 0, kCurrentProcess }; ProcessSerialNumber psn = { 0, kCurrentProcess };
struct stat statbuf;
FSRef fsref; FSRef fsref;
CFRange cfrange; CFRange cfrange;
CFURLRef cfurl = NULL; CFURLRef cfurl = NULL;
CFStringRef cfstr = NULL; CFStringRef cfstr = NULL;
CFMutableStringRef cfmutstr = NULL; CFMutableStringRef cfmutstr = NULL;
char *retval = NULL; char *retval = NULL;
char *cstr = NULL;
int rc = 0;
BAIL_IF_MACRO(GetProcessBundleLocation(&psn, &fsref) != noErr, NULL, NULL); BAIL_IF_MACRO(GetProcessBundleLocation(&psn, &fsref) != noErr, NULL, NULL);
cfurl = CFURLCreateFromFSRef(cfallocator, &fsref); cfurl = CFURLCreateFromFSRef(cfallocator, &fsref);
@ -236,27 +240,46 @@ char *__PHYSFS_platformCalcBaseDir(const char *argv0)
CFRelease(cfstr); CFRelease(cfstr);
BAIL_IF_MACRO(cfmutstr == NULL, NULL, NULL); BAIL_IF_MACRO(cfmutstr == NULL, NULL, NULL);
/* Find last dirsep so we can chop the binary's filename from the path. */ /* we have to decide if we got a binary's path, or the .app dir... */
cfrange = CFStringFind(cfmutstr, CFSTR("/"), kCFCompareBackwards); cstr = convertCFString(cfmutstr);
if (cfrange.location == kCFNotFound) if (cstr == NULL)
{ {
assert(0); /* shouldn't ever hit this... */
CFRelease(cfmutstr); CFRelease(cfmutstr);
return NULL; return NULL;
} /* if */ } /* if */
/* chop the "/exename" from the end of the path string... */ rc = stat(cstr, &statbuf);
cfrange.length = CFStringGetLength(cfmutstr) - cfrange.location; allocator.Free(cstr); /* done with this. */
CFStringDelete(cfmutstr, cfrange); if (rc == -1)
{
CFRelease(cfmutstr);
return NULL; /* maybe default behaviour will work? */
} /* if */
/* If we're an Application Bundle, chop everything but the base. */ if (S_ISREG(statbuf.st_mode))
cfrange = CFStringFind(cfmutstr, CFSTR("/Contents/MacOS"), {
kCFCompareCaseInsensitive | /* Find last dirsep so we can chop the filename from the path. */
kCFCompareBackwards | cfrange = CFStringFind(cfmutstr, CFSTR("/"), kCFCompareBackwards);
kCFCompareAnchored); if (cfrange.location == kCFNotFound)
{
assert(0); /* shouldn't ever hit this... */
CFRelease(cfmutstr);
return NULL;
} /* if */
if (cfrange.location != kCFNotFound) /* chop the "/exename" from the end of the path string... */
CFStringDelete(cfmutstr, cfrange); /* chop that, too. */ cfrange.length = CFStringGetLength(cfmutstr) - cfrange.location;
CFStringDelete(cfmutstr, cfrange);
/* If we're an Application Bundle, chop everything but the base. */
cfrange = CFStringFind(cfmutstr, CFSTR("/Contents/MacOS"),
kCFCompareCaseInsensitive |
kCFCompareBackwards |
kCFCompareAnchored);
if (cfrange.location != kCFNotFound)
CFStringDelete(cfmutstr, cfrange); /* chop that, too. */
} /* if */
retval = convertCFString(cfmutstr); retval = convertCFString(cfmutstr);
CFRelease(cfmutstr); CFRelease(cfmutstr);