git.m6w6.name Git - awesomized/libmemcached/blob - src/utilities.c

   1 #include <ctype.h>
   2 #include <strings.h>
   3 #include "utilities.h"
   4
   5 memcached_server_st *parse_opt_servers(char *server_strings)
   6 {
   7   char *string;
   8   unsigned int port;
   9   char *begin_ptr;
  10   char *end_ptr;
  11   memcached_server_st *servers= NULL;
  12   memcached_return rc;
  13
  14   assert(server_strings);
  15
  16   end_ptr= server_strings + strlen(server_strings);
  17
  18   for (begin_ptr= server_strings, string= index(server_strings, ',');
  19        begin_ptr != end_ptr;
  20        string= index(begin_ptr, ','))
  21   {
  22     char buffer[HUGE_STRING_LEN];
  23     char *ptr;
  24     port= 0;
  25
  26     memset(buffer, 0, HUGE_STRING_LEN);
  27     if (string)
  28     {
  29       memcpy(buffer, begin_ptr, string - begin_ptr);
  30       begin_ptr= string+1;
  31     }
  32     else
  33     {
  34       size_t length= strlen(begin_ptr);
  35       memcpy(buffer, begin_ptr, length);
  36       begin_ptr= end_ptr;
  37     }
  38
  39     ptr= index(buffer, ':');
  40
  41     if (ptr)
  42     {
  43       ptr[0]= 0;
  44
  45       ptr++;
  46
  47       port= strtol(ptr, (char **)NULL, 10);
  48     }
  49
  50     servers= memcached_server_list_append(servers, buffer, port, &rc);
  51
  52     if (isspace(*begin_ptr))
  53       begin_ptr++;
  54   }
  55
  56   return servers;
  57 }
  58
  59 long int timedif(struct timeval a, struct timeval b)
  60 {
  61   register int us, s;
  62
  63   us = a.tv_usec - b.tv_usec;
  64   us /= 1000;
  65   s = a.tv_sec - b.tv_sec;
  66   s *= 1000;
  67   return s + us;
  68 }
  69
  70 void version_command(char *command_name)
  71 {
  72   printf("%s v%u.%u\n", command_name, 1, 0);
  73   exit(0);
  74 }
  75
  76 void help_command(char *command_name, char *description,
  77                   const struct option *long_options,
  78                   memcached_programs_help_st *options)
  79 {
  80   unsigned int x;
  81
  82   printf("%s v%u.%u\n\n", command_name, 1, 0);
  83   printf("\t%s\n\n", description);
  84   printf("Current options. A '=' means the option takes a value.\n\n");
  85
  86   for (x= 0; long_options[x].name; x++)
  87     printf("\t --%s%c\n", long_options[x].name,
  88            long_options[x].has_arg ? '=' : ' ');
  89
  90   printf("\n");
  91   exit(0);
  92 }