gameserv/strings.cpp

   1  /* This file contains functions dealing with strings */
   2
   3  #include "extern.h"
   4  #include "config.h"
   5
   6  // String functions
   7 #ifndef HAVE_STRTOK
   8 char *strtok(char *str, const char *delim);
   9 #endif
  10
  11 int stricmp(const char *s1, const char *s2);
  12 int strnicmp(const char *s1, const char *s2, size_t len);
  13 // String Functions
  14
  15 int stricmp(const char *s1, const char *s2)
  16 {
  17     register int c;
  18
  19     while ((c = tolower(*s1)) == tolower(*s2)) {
  20         if (c == 0)
  21             return 0;
  22         s1++;
  23         s2++;
  24     }
  25     if (c < tolower(*s2))
  26         return -1;
  27     return 1;
  28 }
  29
  30
  31
  32 char *spaces(int len, char *seperator)
  33 {
  34     char *final;
  35     final = new char[30];
  36     int y;
  37     strcpy(final, seperator);
  38     for (y = 0; y < 30 - len; y++)
  39         strcat(final, seperator);
  40     return final;
  41 }
  42
  43
  44
  45 int strnicmp(const char *s1, const char *s2, size_t len)
  46 {
  47     register int c;
  48
  49     if (!len)
  50         return 0;
  51     while ((c = tolower(*s1)) == tolower(*s2) && len > 0) {
  52         if (c == 0 || --len == 0)
  53             return 0;
  54         s1++;
  55         s2++;
  56     }
  57     if (c < tolower(*s2))
  58         return -1;
  59     return 1;
  60 }
  61
  62 #ifndef HAVE_STRTOK
  63 char *strtok(char *str, const char *delim)
  64 {
  65     static char *current = NULL;
  66     char *ret;
  67
  68     if (str)
  69         current = str;
  70     if (!current)
  71         return NULL;
  72     current += strspn(current, delim);
  73     ret = *current ? current : NULL;
  74     current += strcspn(current, delim);
  75     if (!*current)
  76         current = NULL;
  77     else
  78         *current++ = 0;
  79     return ret;
  80 }
  81 #endif
  82
  83 int isstringnum(char *num)
  84 {
  85     unsigned int x;
  86     for (x = 0; x < strlen(num); x++)
  87     {
  88         if ((int)num[x] < 48 || (int)num[x] > 57)
  89             return 0;
  90     }
  91 return 1;
  92 }
  93
  94 long int stringtoint(char *number)
  95 {
  96     return atol(number);
  97 }
  98
  99 long int pow(int x, int y)
 100 {
 101   long int value = 0;
 102   int count = 0;
 103   value += x;
 104
 105   if (x != 0 && y != 0)
 106     {
 107           for (count = 1; count <= y - 1; count++)
 108                 value *= x;
 109     }
 110   else
 111         {
 112           return 1;
 113         }
 114   return value;
 115 }
 116
 117 long int chartoint(char ch)
 118 {
 119   if (int(ch) >= 48 && int(ch) <= 57)
 120         return int(ch) - 48;
 121   else
 122         return 0;
 123 }