git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/options.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  All rights reserved.
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   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
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  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
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  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
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  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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  36  */
  37
  38 #include "common.h"
  39
  40 #include <libmemcached/options/parser.h>
  41 #include <libmemcached/options/scanner.h>
  42
  43 int libmemcached_parse(type_st *, yyscan_t *);
  44
  45 memcached_return_t memcached_parse_options(memcached_st *self, char const *option_string, size_t length)
  46 {
  47   type_st pp;
  48
  49   memset(&pp, 0, sizeof(type_st));
  50
  51   WATCHPOINT_ASSERT(self);
  52   if (! self)
  53     return MEMCACHED_INVALID_ARGUMENTS;
  54
  55   pp.buf= option_string;
  56   pp.memc= self;
  57   pp.length= length;
  58   libmemcached_lex_init(&pp.yyscanner);
  59   libmemcached_set_extra(&pp, pp.yyscanner);
  60   bool success= libmemcached_parse(&pp, pp.yyscanner)  == 0;
  61   libmemcached_lex_destroy(pp.yyscanner);
  62
  63   if (not success)
  64     return MEMCACHED_INVALID_ARGUMENTS;
  65
  66   return MEMCACHED_SUCCESS;
  67 }
  68
  69 memcached_return_t memcached_parse_file_options(memcached_st *self, const char *filename)
  70 {
  71   FILE *fp= fopen(filename, "r");
  72
  73   if (! fp)
  74     return memcached_set_errno(self, errno, NULL);
  75
  76   char buffer[BUFSIZ];
  77   memcached_return_t rc= MEMCACHED_INVALID_ARGUMENTS;
  78   while (fgets(buffer, sizeof(buffer), fp))
  79   {
  80     size_t length= strlen(buffer);
  81
  82     if (length == 1 and buffer[0] == '\n')
  83       continue;
  84
  85     rc= memcached_parse_options(self, buffer, length);
  86
  87     if (rc != MEMCACHED_SUCCESS)
  88       break;
  89   }
  90   fclose(fp);
  91
  92   return rc;
  93 }