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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef _LOG_GETOPT_H_
     18 #define _LOG_GETOPT_H_
     19 
     20 #ifndef __ANDROID_USE_LIBLOG_LOGCAT_INTERFACE
     21 #ifndef __ANDROID_API__
     22 #define __ANDROID_USE_LIBLOG_LOGCAT_INTERFACE 1
     23 #elif __ANDROID_API__ > 24 /* > Nougat */
     24 #define __ANDROID_USE_LIBLOG_LOGCAT_INTERFACE 1
     25 #else
     26 #define __ANDROID_USE_LIBLOG_LOGCAT_INTERFACE 0
     27 #endif
     28 #endif
     29 
     30 #if __ANDROID_USE_LIBLOG_LOGCAT_INTERFACE
     31 
     32 #include <getopt.h>
     33 #include <sys/cdefs.h>
     34 
     35 struct getopt_context {
     36     int opterr;
     37     int optind;
     38     int optopt;
     39     int optreset;
     40     const char* optarg;
     41     FILE* optstderr; /* NULL defaults to stderr */
     42     /* private */
     43     const char* place;
     44     int nonopt_start;
     45     int nonopt_end;
     46     int dash_prefix;
     47     /* expansion space */
     48     int __extra__;
     49     void* __stuff__;
     50 };
     51 
     52 #define EMSG ""
     53 #define NO_PREFIX (-1)
     54 
     55 #define INIT_GETOPT_CONTEXT(context) \
     56     context = { 1, 1, '?', 0, NULL, NULL, EMSG, -1, -1, NO_PREFIX, 0, NULL }
     57 
     58 __BEGIN_DECLS
     59 int getopt_long_r(int nargc, char* const* nargv, const char* options,
     60                   const struct option* long_options, int* idx,
     61                   struct getopt_context* context);
     62 
     63 __END_DECLS
     64 
     65 #endif /* __ANDROID_USE_LIBLOG_LOGCAT_INTERFACE */
     66 
     67 #endif /* !_LOG_GETOPT_H_ */
     68