Initial Contribution

1 files changed, 127 insertions, 0 deletions

diff --git a/android_profile.c b/android_profile.c
new file mode 100644
index 0000000..f8b430d
--- /dev/null
+++ b/android_profile.c
@@ -0,0 +1,127 @@
+/* Copyright (C) 2007-2008 The Android Open Source Project
+**
+** This software is licensed under the terms of the GNU General Public
+** License version 2, as published by the Free Software Foundation, and
+** may be copied, distributed, and modified under those terms.
+**
+** This program 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 General Public License for more details.
+*/
+#include "android_profile.h"
+#include <string.h>
+#include <unistd.h>
+
+/* this environment variable can be set to change the root profiles directory */
+#define   ENV_PROFILE_DIR   "ANDROID_PROFILE_DIR"
+
+/* otherwise, we're going to use <config>/EMULATOR_PROFILE_DIR */
+#ifdef _WIN32
+#  define  EMULATOR_PROFILE_DIR  "EmulatorProfiles"
+#else
+#  define  EMULATOR_PROFILE_DIR "profiles"
+#endif
+
+static char*  profile_dir;
+
+static char*
+profile_dir_find( void )
+{
+    const char*  env  = getenv( ENV_PROFILE_DIR );
+    if (env != NULL) {
+        int  len = strlen(env);
+
+        if ( access( env, R_OK ) < 0 ) {
+            dprint( "%s variable does not point to a valid directory. ignored\n", ENV_PROFILE_DIR );
+        }
+        else {
+            dprint( "using '%s' as profile root directory", env );
+            if (len > 0 && env[len-1] == PATH_SEP[0]) {
+                len -= 1;
+            }
+            profile_dir = malloc( len+1 );
+            memcpy(profile_dir, env, len);
+            profile_dir[len] = 0;
+            return profile_dir;
+        }
+    }
+
+    {
+        char  temp[512];
+        char*  p = temp;
+        char*  end = p + sizeof(temp);
+        p = bufprint_config_file( p, end, EMULATOR_PROFILE_DIR );
+        if (p >= end) {
+            fprintf( stderr, "emulator configuration directory path too long. aborting" );
+            exit(1);
+        }
+        if (p > temp && p[-1] == PATH_SEP[0])
+            p[-1] = 0;
+
+        dprint( "using '%s' as profile root directory", temp );
+        profile_dir = strdup( temp );
+        return profile_dir;
+    }
+}
+
+int
+android_profile_check_name( const char*  profile_name )
+{
+    static const char*  goodchars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-0123456789.";
+    int                 len       = strlen(profile_name);
+    int                 slen      = strspn(profile_name, goodchars);
+
+    return (len == slen);
+}
+
+char*
+android_profile_bufprint_path( char*  p, char*  end, const char*  profile_name )
+{
+    return android_profile_bufprint_file_path( p, end, profile_name, NULL );
+}
+
+char*
+android_profile_strdup_path( const char*  profile_name )
+{
+    return android_profile_strdup_file_path( profile_name, NULL );
+}
+
+char*
+android_profile_bufprint_file_path( char*  p, char*  end, const char*  profile_name, const char*  file_name )
+{
+    if (profile_dir == NULL)
+        profile_dir = profile_dir_find();
+
+    p = bufprint( p, end, "%s", profile_dir );
+    if (file_name != NULL) {
+        p = bufprint( p, end, PATH_SEP "%s", file_name );
+    }
+    return p;
+}
+
+char*
+android_profile_strdup_file_path( const char*  profile_name, const char*  file_name )
+{
+    int    len1, len;
+    char*  result;
+
+    if (profile_dir == NULL)
+        profile_dir = profile_dir_find();
+
+    len1 = strlen(profile_dir);
+    len  = len1;
+    if (file_name) {
+        len += 1 + strlen(file_name);
+    }
+
+    result = malloc( len+1 );
+    memcpy( result, profile_dir, len1 );
+    if (file_name) {
+        result[len1] = PATH_SEP[0];
+        strcpy( result+len1+1, file_name );
+    }
+    result[len] = 0;
+    return  result;
+}
+