ceph/src/rgw/rgw_string.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_RGW_STRING_H
   5 #define CEPH_RGW_STRING_H
   6
   7 #include <stdlib.h>
   8 #include <limits.h>
   9
  10 struct ltstr_nocase
  11 {
  12   bool operator()(const string& s1, const string& s2) const
  13   {
  14     return strcasecmp(s1.c_str(), s2.c_str()) < 0;
  15   }
  16 };
  17
  18 static inline int stringcasecmp(const string& s1, const string& s2)
  19 {
  20   return strcasecmp(s1.c_str(), s2.c_str());
  21 }
  22
  23 static inline int stringcasecmp(const string& s1, const char *s2)
  24 {
  25   return strcasecmp(s1.c_str(), s2);
  26 }
  27
  28 static inline int stringcasecmp(const string& s1, int ofs, int size, const string& s2)
  29 {
  30   return strncasecmp(s1.c_str() + ofs, s2.c_str(), size);
  31 }
  32
  33 static inline int stringtoll(const string& s, int64_t *val)
  34 {
  35   char *end;
  36
  37   long long result = strtoll(s.c_str(), &end, 10);
  38   if (result == LLONG_MAX)
  39     return -EINVAL;
  40
  41   if (*end)
  42     return -EINVAL;
  43
  44   *val = (int64_t)result;
  45
  46   return 0;
  47 }
  48
  49 static inline int stringtoull(const string& s, uint64_t *val)
  50 {
  51   char *end;
  52
  53   unsigned long long result = strtoull(s.c_str(), &end, 10);
  54   if (result == ULLONG_MAX)
  55     return -EINVAL;
  56
  57   if (*end)
  58     return -EINVAL;
  59
  60   *val = (uint64_t)result;
  61
  62   return 0;
  63 }
  64
  65 static inline int stringtol(const string& s, int32_t *val)
  66 {
  67   char *end;
  68
  69   long result = strtol(s.c_str(), &end, 10);
  70   if (result == LONG_MAX)
  71     return -EINVAL;
  72
  73   if (*end)
  74     return -EINVAL;
  75
  76   *val = (int32_t)result;
  77
  78   return 0;
  79 }
  80
  81 static inline int stringtoul(const string& s, uint32_t *val)
  82 {
  83   char *end;
  84
  85   unsigned long result = strtoul(s.c_str(), &end, 10);
  86   if (result == ULONG_MAX)
  87     return -EINVAL;
  88
  89   if (*end)
  90     return -EINVAL;
  91
  92   *val = (uint32_t)result;
  93
  94   return 0;
  95 }
  96
  97 #endif