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      1 /*
      2  * Copyright (c) 2001-2018 The strace developers.
      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  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. The name of the author may not be used to endorse or promote products
     14  *    derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef STRACE_STRING_TO_UINT_H
     29 #define STRACE_STRING_TO_UINT_H
     30 
     31 #include <limits.h>
     32 
     33 #include "kernel_types.h"
     34 
     35 extern long long
     36 string_to_uint_ex(const char *str, char **endptr,
     37 		  unsigned long long max_val, const char *accepted_ending);
     38 
     39 static inline long long
     40 string_to_uint_upto(const char *const str, const unsigned long long max_val)
     41 {
     42 	return string_to_uint_ex(str, NULL, max_val, NULL);
     43 }
     44 
     45 static inline int
     46 string_to_uint(const char *str)
     47 {
     48 	return string_to_uint_upto(str, INT_MAX);
     49 }
     50 
     51 static inline long
     52 string_to_ulong(const char *str)
     53 {
     54 	return string_to_uint_upto(str, LONG_MAX);
     55 }
     56 
     57 static inline kernel_long_t
     58 string_to_kulong(const char *str)
     59 {
     60 	return string_to_uint_upto(str, ((kernel_ulong_t) -1ULL) >> 1);
     61 }
     62 
     63 static inline long long
     64 string_to_ulonglong(const char *str)
     65 {
     66 	return string_to_uint_upto(str, LLONG_MAX);
     67 }
     68 
     69 #endif /* !STRACE_STRING_TO_UINT_H */
     70