--- /dev/null
+/*
+ * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/* CFStringDefaultEncoding.h
+ Copyright (c) 1998-2005, Apple, Inc. All rights reserved.
+*/
+
+/* This file defines static inline functions used both by CarbonCore & CF. */
+
+#include <CoreFoundation/CFBase.h>
+#if defined(__MACH__)
+#include <stdlib.h>
+#include <fcntl.h>
+#include <pwd.h>
+#include <sys/param.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#define __kCFUserEncodingEnvVariableName ("__CF_USER_TEXT_ENCODING")
+#define __kCFMaxDefaultEncodingFileLength (24)
+#define __kCFUserEncodingFileName ("/.CFUserTextEncoding")
+
+/* This function is used to obtain users' default script/region code.
+ The function first looks at environment variable __kCFUserEncodingEnvVariableName, then, reads the configuration file in user's home directory.
+*/
+CF_INLINE void __CFStringGetUserDefaultEncoding(UInt32 *oScriptValue, UInt32 *oRegionValue) {
+ char *stringValue;
+ char buffer[__kCFMaxDefaultEncodingFileLength];
+ int uid = getuid();
+
+ if ((stringValue = getenv(__kCFUserEncodingEnvVariableName)) != NULL) {
+ if ((uid == strtol(stringValue, &stringValue, 0)) && (':' == *stringValue)) {
+ ++stringValue;
+ } else {
+ stringValue = NULL;
+ }
+ }
+
+ if ((stringValue == NULL) && ((uid > 0) || getenv("HOME"))) {
+ struct passwd *passwdp;
+
+ if ((passwdp = getpwuid((uid_t)uid))) {
+ char filename[MAXPATHLEN + 1];
+ int fd;
+
+ strcpy(filename, passwdp->pw_dir);
+ strcat(filename, __kCFUserEncodingFileName);
+
+ if ((fd = open(filename, O_RDONLY, 0)) == -1) {
+ // Cannot open the file. Let's fallback to smRoman/verUS
+ snprintf(filename, sizeof(filename), "%s=0x%X:0:0", __kCFUserEncodingEnvVariableName, uid);
+ putenv(filename);
+ } else {
+ int readSize;
+
+ // cjk: We do not turn on F_NOCACHE on the fd here, because
+ // many processes read this file on startup, and caching the
+ // is probably a good thing, for the system as a whole.
+ readSize = read(fd, buffer, __kCFMaxDefaultEncodingFileLength - 1);
+ buffer[(readSize < 0 ? 0 : readSize)] = '\0';
+ close(fd);
+ stringValue = buffer;
+
+ // Well, we already have a buffer, let's reuse it
+ snprintf(filename, sizeof(filename), "%s=0x%X:%s", __kCFUserEncodingEnvVariableName, uid, buffer);
+ putenv(filename);
+ }
+ }
+ }
+
+ if (stringValue) {
+ *oScriptValue = strtol(stringValue, &stringValue, 0);
+ if (*stringValue == ':') {
+ if (oRegionValue) *oRegionValue = strtol(++stringValue, NULL, 0);
+ return;
+ }
+ }
+
+ // Falling back
+ *oScriptValue = 0; // smRoman
+ if (oRegionValue) *oRegionValue = 0; // verUS
+}
+
+CF_INLINE uint32_t __CFStringGetInstallationRegion() {
+ char *stringValue = NULL;
+ char buffer[__kCFMaxDefaultEncodingFileLength];
+ struct passwd *passwdp;
+
+ if ((passwdp = getpwuid((uid_t)0))) {
+ char filename[MAXPATHLEN + 1];
+ int fd;
+
+ strcpy(filename, passwdp->pw_dir);
+ strcat(filename, __kCFUserEncodingFileName);
+
+ if ((fd = open(filename, O_RDONLY, 0)) != -1) {
+ int readSize;
+
+ // cjk: We do not turn on F_NOCACHE on the fd here, because
+ // many processes read this file on startup, and caching the
+ // is probably a good thing, for the system as a whole.
+ readSize = read(fd, buffer, __kCFMaxDefaultEncodingFileLength - 1);
+ buffer[(readSize < 0 ? 0 : readSize)] = '\0';
+ close(fd);
+ stringValue = buffer;
+ }
+ }
+
+ if (stringValue) {
+ (void)strtol(stringValue, &stringValue, 0);
+ if (*stringValue == ':') return strtol(++stringValue, NULL, 0);
+ }
+
+ return 0; // verUS
+}
+
+CF_INLINE void __CFStringGetInstallationEncodingAndRegion(uint32_t *encoding, uint32_t *region) {
+ char *stringValue = NULL;
+ char buffer[__kCFMaxDefaultEncodingFileLength];
+ struct passwd *passwdp;
+
+ *encoding = 0; *region = 0;
+
+ if ((passwdp = getpwuid((uid_t)0))) {
+ char filename[MAXPATHLEN + 1];
+ int fd;
+
+ strcpy(filename, passwdp->pw_dir);
+ strcat(filename, __kCFUserEncodingFileName);
+
+ if ((fd = open(filename, O_RDONLY, 0)) != -1) {
+ int readSize;
+
+ // cjk: We do not turn on F_NOCACHE on the fd here, because
+ // many processes read this file on startup, and caching the
+ // is probably a good thing, for the system as a whole.
+ readSize = read(fd, buffer, __kCFMaxDefaultEncodingFileLength - 1);
+ buffer[(readSize < 0 ? 0 : readSize)] = '\0';
+ close(fd);
+ stringValue = buffer;
+ }
+ }
+
+ if (stringValue) {
+ *encoding = strtol(stringValue, &stringValue, 0);
+ if (*stringValue == ':') *region = strtol(++stringValue, NULL, 0);
+ }
+}
+
+CF_INLINE void __CFStringSaveUserDefaultEncoding(UInt32 iScriptValue, UInt32 iRegionValue) {
+ struct passwd *passwdp;
+
+ if ((passwdp = getpwuid(getuid()))) {
+ char filename[MAXPATHLEN + 1];
+ int fd;
+
+ strcpy(filename, passwdp->pw_dir);
+ strcat(filename, __kCFUserEncodingFileName);
+
+ // In case, file exists
+ (void)unlink(filename);
+
+ if ((fd = open(filename, O_WRONLY|O_CREAT, 0400)) != -1) {
+ char buffer[__kCFMaxDefaultEncodingFileLength];
+ unsigned int writeSize;
+
+ writeSize = snprintf(buffer, __kCFMaxDefaultEncodingFileLength, "0x%X:0x%X", (unsigned int)iScriptValue, (unsigned int)iRegionValue);
+ (void)write(fd, buffer, (writeSize > __kCFMaxDefaultEncodingFileLength ? __kCFMaxDefaultEncodingFileLength : writeSize));
+ close(fd);
+ }
+ }
+}
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __MACH__ */
projects / apple / cf.git / blobdiff