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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _ANDROID_LEGACY_STDLIB_INLINES_H_
     30 #define _ANDROID_LEGACY_STDLIB_INLINES_H_
     31 
     32 #include <sys/cdefs.h>
     33 
     34 __BEGIN_DECLS
     35 
     36 static __inline float strtof(const char *nptr, char **endptr) {
     37   return (float)strtod(nptr, endptr);
     38 }
     39 
     40 static __inline double atof(const char *nptr) { return (strtod(nptr, NULL)); }
     41 
     42 static __inline int abs(int __n) { return (__n < 0) ? -__n : __n; }
     43 
     44 static __inline long labs(long __n) { return (__n < 0L) ? -__n : __n; }
     45 
     46 static __inline long long llabs(long long __n) {
     47   return (__n < 0LL) ? -__n : __n;
     48 }
     49 
     50 static __inline int rand(void) { return (int)lrand48(); }
     51 
     52 static __inline void srand(unsigned int __s) { srand48(__s); }
     53 
     54 static __inline long random(void) { return lrand48(); }
     55 
     56 static __inline void srandom(unsigned int __s) { srand48(__s); }
     57 
     58 static __inline int grantpt(int __fd __attribute((unused))) {
     59   return 0; /* devpts does this all for us! */
     60 }
     61 
     62 __END_DECLS
     63 
     64 #endif /* _ANDROID_LEGACY_STDLIB_INLINES_H_ */
     65