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      1 /************************************************************************
      2 Copyright (c) 2015, The Linux Foundation. All rights reserved.
      3 
      4 Redistribution and use in source and binary forms, with or without
      5 modification, are permitted provided that the following conditions are
      6 met:
      7     * Redistributions of source code must retain the above copyright
      8       notice, this list of conditions and the following disclaimer.
      9     * Redistributions in binary form must reproduce the above
     10       copyright notice, this list of conditions and the following
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     12       with the distribution.
     13     * Neither the name of The Linux Foundation nor the names of its
     14       contributors may be used to endorse or promote products derived
     15       from this software without specific prior written permission.
     16 
     17 THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     18 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     20 ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     21 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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     23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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     26 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     27 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 ************************************************************************/
     29 
     30 /**
     31  * @file datatop_str.h
     32  * @brief Declares methods held in datatop_str.c and defines dictionary struct.
     33  */
     34 
     35 #ifndef DATATOP_STR_H
     36 #define DATATOP_STR_H
     37 
     38 #define DTOP_DICT_SIZE 2048
     39 
     40 /**
     41  * @struct dt_procdict
     42  * @brief Struct used to create dictionary for parsing purposes.
     43  *
     44  * @var dt_procdict::max
     45  * Number of key/val pairs in dictionary.
     46  * @var dt_procdict::key
     47  * Holds the key that is used to access the value.
     48  * @var dt_procdict::val
     49  * Value that the key accesses.
     50  */
     51 struct dt_procdict {
     52 	int max;
     53 	char *key[DTOP_DICT_SIZE];
     54 	char *val[DTOP_DICT_SIZE];
     55 };
     56 
     57 int dt_read_line(char *buf1, int len1, const char *buf2, int len2, int start);
     58 
     59 int dt_parse_proc_dictionary(char *line1, int len1, char *line2, int len2,
     60 			     struct dt_procdict *dict);
     61 
     62 int dt_find_dict_idx(const char *str, struct dt_procdict *dict);
     63 
     64 int dt_parse_proc_same_line_key_and_val(char *line1, int len1, int l,
     65 					struct dt_procdict *dict);
     66 
     67 void dt_parse_for_prefix(char *line1, int len1, struct dt_procdict *dict);
     68 
     69 int dt_single_line_parse(char *line1, int len1, struct dt_procdict *dict);
     70 #endif /* DATATOP_STR_H */
     71