ceph/src/seastar/dpdk/lib/librte_cmdline/cmdline_parse_string.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 /*
  35  * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
  36  * All rights reserved.
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions are met:
  39  *
  40  *     * Redistributions of source code must retain the above copyright
  41  *       notice, this list of conditions and the following disclaimer.
  42  *     * Redistributions in binary form must reproduce the above copyright
  43  *       notice, this list of conditions and the following disclaimer in the
  44  *       documentation and/or other materials provided with the distribution.
  45  *     * Neither the name of the University of California, Berkeley nor the
  46  *       names of its contributors may be used to endorse or promote products
  47  *       derived from this software without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
  50  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  51  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  52  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
  53  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  54  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  55  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  56  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  57  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  58  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  59  */
  60
  61 #ifndef _PARSE_STRING_H_
  62 #define _PARSE_STRING_H_
  63
  64 #include <cmdline_parse.h>
  65
  66 #ifdef __cplusplus
  67 extern "C" {
  68 #endif
  69
  70 /* size of a parsed string */
  71 #define STR_TOKEN_SIZE 128
  72
  73 /* size of a parsed multi string */
  74 #define STR_MULTI_TOKEN_SIZE 4096
  75
  76 typedef char cmdline_fixed_string_t[STR_TOKEN_SIZE];
  77
  78 typedef char cmdline_multi_string_t[STR_MULTI_TOKEN_SIZE];
  79
  80 struct cmdline_token_string_data {
  81         const char *str;
  82 };
  83
  84 struct cmdline_token_string {
  85         struct cmdline_token_hdr hdr;
  86         struct cmdline_token_string_data string_data;
  87 };
  88 typedef struct cmdline_token_string cmdline_parse_token_string_t;
  89
  90 extern struct cmdline_token_ops cmdline_token_string_ops;
  91
  92 int cmdline_parse_string(cmdline_parse_token_hdr_t *tk, const char *srcbuf,
  93         void *res, unsigned ressize);
  94 int cmdline_complete_get_nb_string(cmdline_parse_token_hdr_t *tk);
  95 int cmdline_complete_get_elt_string(cmdline_parse_token_hdr_t *tk, int idx,
  96                                     char *dstbuf, unsigned int size);
  97 int cmdline_get_help_string(cmdline_parse_token_hdr_t *tk, char *dstbuf,
  98                             unsigned int size);
  99
 100 /**
 101 * Token marked as TOKEN_STRING_MULTI takes entire parsing string
 102 * until “#” sign appear. Everything after “#” sign is treated as a comment.
 103 *
 104 * Note:
 105 * In this case second parameter of TOKEN_STRING_INITIALIZER must be a type of
 106 * cmdline_multi_string_t.
 107 */
 108 #define TOKEN_STRING_MULTI ""
 109
 110 #define TOKEN_STRING_INITIALIZER(structure, field, string)  \
 111 {                                                           \
 112         /* hdr */                                               \
 113         {                                                       \
 114                 &cmdline_token_string_ops,      /* ops */           \
 115                 offsetof(structure, field),     /* offset */        \
 116         },                                                      \
 117         /* string_data */                                       \
 118         {                                                       \
 119                 string,                         /* str */           \
 120         },                                                      \
 121 }
 122
 123 #ifdef __cplusplus
 124 }
 125 #endif
 126
 127 #endif /* _PARSE_STRING_H_ */