XQuartz: Query the BundleIdentifier from the bundle in X11.bin rather than using the configure option.

This lets X11.bin drop into any .app ... the Info.plist and Xquartz binary need to have it hardcoded still.
(cherry picked from commit 9ad16b8e50b13eb6d0cd20386d07aa8d7320f671)

1 files changed, 45 insertions, 32 deletions

diff --git a/hw/xquartz/mach-startup/bundle-main.c b/hw/xquartz/mach-startup/bundle-main.c
index 917bbafbe..146ea11d8 100644
--- a/hw/xquartz/mach-startup/bundle-main.c
+++ b/hw/xquartz/mach-startup/bundle-main.c
@@ -80,7 +80,8 @@ const char *__crashreporter_info__base = "X.Org X Server " XSERVER_VERSION " Bui
 char __crashreporter_info__buf[4096];
 char *__crashreporter_info__ = __crashreporter_info__buf;
 
-static char *server_bootstrap_name = LAUNCHD_ID_PREFIX".X11";
+static char *launchd_id_prefix = NULL;
+static char *server_bootstrap_name = NULL;
 
 #define DEBUG 1
 
@@ -456,6 +457,7 @@ static void setup_env(void) {
     char *temp;
     const char *pds = NULL;
     const char *disp = getenv("DISPLAY");
+    size_t len;
 
     /* Pass on our prefs domain to startx and its inheritors (mainly for
      * quartz-wm and the Xquartz stub's MachIPC)
@@ -465,45 +467,56 @@ static void setup_env(void) {
         CFStringRef pd = CFBundleGetIdentifier(bundle);
         if(pd) {
             pds = CFStringGetCStringPtr(pd, 0);
-            if(pds) {
-                server_bootstrap_name = malloc(sizeof(char) * (strlen(pds) + 1));
-                strcpy(server_bootstrap_name, pds);
-                setenv("X11_PREFS_DOMAIN", pds, 1);
-            }
         }
     }
+
+    /* fallback to hardcoded value if we can't discover it */
+    if(!pds) {
+        pds = LAUNCHD_ID_PREFIX".X11";
+    }
+
+    server_bootstrap_name = malloc(sizeof(char) * (strlen(pds) + 1));
+    if(!server_bootstrap_name) {
+        fprintf(stderr, "Memory allocation error.\n");
+        exit(1);
+    }
+    strcpy(server_bootstrap_name, pds);
+    setenv("X11_PREFS_DOMAIN", server_bootstrap_name, 1);
+    
+    len = strlen(server_bootstrap_name);
+    launchd_id_prefix = malloc(sizeof(char) * (len - 3));
+    if(!launchd_id_prefix) {
+        fprintf(stderr, "Memory allocation error.\n");
+        exit(1);
+    }
+    strlcpy(launchd_id_prefix, server_bootstrap_name, len - 3);
+    
     /* We need to unset DISPLAY if it is not our socket */
     if(disp) {
-        if(!pds) {
-            /* If we can't detet our id, we are beyond hope and need to just
-             * revert to the non-launchd startup */
-            unsetenv("DISPLAY");
-        } else {
-            /* s = basename(disp) */
-            const char *d, *s;
+        /* s = basename(disp) */
+        const char *d, *s;
 	    for(s = NULL, d = disp; *d; d++) {
-                if(*d == '/')
-                     s = d + 1;
-            }
-
-            if(s && *s) {
-                size_t pds_len = strlen(pds);
-                temp = (char *)malloc(sizeof(char) * pds_len);
-                if(!temp) {
-                    fprintf(stderr, "Memory allocation error creating space for socket name test.\n");
-                }
-                strlcpy(temp, pds, pds_len - 3);
-                strlcat(temp, ":0", pds_len);
+            if(*d == '/')
+                s = d + 1;
+        }
 
-                if(strcmp(temp, s) != 0) {
-                    /* If we don't have a match, unset it. */
-                    unsetenv("DISPLAY");
-                }
-                free(temp);
-            } else {
-                /* The DISPLAY environment variable is not formatted like a launchd socket, so reset. */
+        if(s && *s) {
+            temp = (char *)malloc(sizeof(char) * len);
+            if(!temp) {
+                fprintf(stderr, "Memory allocation error creating space for socket name test.\n");
+                exit(1);
+            }
+            strlcpy(temp, launchd_id_prefix, len);
+            strlcat(temp, ":0", len);
+            
+            if(strcmp(temp, s) != 0) {
+                /* If we don't have a match, unset it. */
                 unsetenv("DISPLAY");
             }
+            free(temp);
+        } else {
+            /* The DISPLAY environment variable is not formatted like a launchd socket, so reset. */
+            unsetenv("DISPLAY");
         }
     }