osdep: move cfstr<->cstr conversions to a new apple_utils.c file

audio/out/ao_coreaudio_utils.c

@@ -35,21 +35,6 @@
 #include <mach/mach_time.h>
 #endif
 
-CFStringRef cfstr_from_cstr(char *str)
-{
-    return CFStringCreateWithCString(NULL, str, CA_CFSTR_ENCODING);
-}
-
-char *cfstr_get_cstr(CFStringRef cfstr)
-{
-    CFIndex size =
-        CFStringGetMaximumSizeForEncoding(
-            CFStringGetLength(cfstr), CA_CFSTR_ENCODING) + 1;
-    char *buffer = talloc_zero_size(NULL, size);
-    CFStringGetCString(cfstr, buffer, size, CA_CFSTR_ENCODING);
-    return buffer;
-}
-
 #if HAVE_COREAUDIO
 static bool ca_is_output_device(struct ao *ao, AudioDeviceID dev)
 {

audio/out/ao_coreaudio_utils.h

@@ -25,11 +25,7 @@
 #include "common/msg.h"
 #include "audio/out/ao.h"
 #include "internal.h"
-
-#define CA_CFSTR_ENCODING kCFStringEncodingUTF8
-
-CFStringRef cfstr_from_cstr(char *str);
-char *cfstr_get_cstr(CFStringRef cfstr);
+#include "osdep/apple_utils.h"
 
 bool check_ca_st(struct ao *ao, int level, OSStatus code, const char *message);
 

meson.build

@@ -384,7 +384,8 @@ cocoa = dependency('appleframeworks', modules: ['Cocoa', 'IOKit', 'QuartzCore'],
 features += {'cocoa': cocoa.found()}
 if features['cocoa']
     dependencies += cocoa
-    sources += files('osdep/macosx_application.m',
+    sources += files('osdep/apple_utils.c',
+                     'osdep/macosx_application.m',
                      'osdep/macosx_events.m',
                      'osdep/macosx_menubar.m',
                      'osdep/main-fn-cocoa.c',

osdep/apple_utils.c

@@ -0,0 +1,39 @@
+/*
+ * Apple-specific utility functions
+ *
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "apple_utils.h"
+
+#include "mpv_talloc.h"
+
+CFStringRef cfstr_from_cstr(const char *str)
+{
+    return CFStringCreateWithCString(NULL, str, kCFStringEncodingUTF8);
+}
+
+char *cfstr_get_cstr(const CFStringRef cfstr)
+{
+    if (!cfstr)
+        return NULL;
+    CFIndex size =
+        CFStringGetMaximumSizeForEncoding(
+            CFStringGetLength(cfstr), kCFStringEncodingUTF8) + 1;
+    char *buffer = talloc_zero_size(NULL, size);
+    CFStringGetCString(cfstr, buffer, size, kCFStringEncodingUTF8);
+    return buffer;
+}

osdep/apple_utils.h

@@ -0,0 +1,28 @@
+/*
+ * Apple-specific utility functions
+ *
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MPV_APPLE_UTILS
+#define MPV_APPLE_UTILS
+
+#include <CoreFoundation/CoreFoundation.h>
+
+CFStringRef cfstr_from_cstr(const char *str);
+char *cfstr_get_cstr(const CFStringRef cfstr);
+
+#endif /* MPV_APPLE_UTILS */

wscript_build.py

@@ -582,6 +582,7 @@ def swift(task):
         ( "osdep/polldev.c",                     "posix" ),
 
         ( "osdep/android/strnlen.c",             "android"),
+        ( "osdep/apple_utils.c",                 "cocoa" ),
         ( "osdep/glob-win.c",                    "glob-win32" ),
         ( "osdep/macosx_application.m",          "cocoa" ),
         ( "osdep/macosx_events.m",               "cocoa" ),