git.zerfleddert.de Git - proxmark3-svn/blob - client/tinycbor/cborpretty_stdio.c

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 2017 Intel Corporation
   4 **
   5 ** Permission is hereby granted, free of charge, to any person obtaining a copy
   6 ** of this software and associated documentation files (the "Software"), to deal
   7 ** in the Software without restriction, including without limitation the rights
   8 ** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9 ** copies of the Software, and to permit persons to whom the Software is
  10 ** furnished to do so, subject to the following conditions:
  11 **
  12 ** The above copyright notice and this permission notice shall be included in
  13 ** all copies or substantial portions of the Software.
  14 **
  15 ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 ** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18 ** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 ** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 ** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21 ** THE SOFTWARE.
  22 **
  23 ****************************************************************************/
  24
  25 #include "cbor.h"
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28
  29 static CborError cbor_fprintf(void *out, const char *fmt, ...)
  30 {
  31     int n;
  32
  33     va_list list;
  34     va_start(list, fmt);
  35     n = vfprintf((FILE *)out, fmt, list);
  36     va_end(list);
  37
  38     return n < 0 ? CborErrorIO : CborNoError;
  39 }
  40
  41 /**
  42  * \fn CborError cbor_value_to_pretty(FILE *out, const CborValue *value)
  43  *
  44  * Converts the current CBOR type pointed to by \a value to its textual
  45  * representation and writes it to the \a out stream. If an error occurs, this
  46  * function returns an error code similar to CborParsing.
  47  *
  48  * \sa cbor_value_to_pretty_advance(), cbor_value_to_json_advance()
  49  */
  50
  51 /**
  52  * Converts the current CBOR type pointed to by \a value to its textual
  53  * representation and writes it to the \a out stream. If an error occurs, this
  54  * function returns an error code similar to CborParsing.
  55  *
  56  * If no error ocurred, this function advances \a value to the next element.
  57  * Often, concatenating the text representation of multiple elements can be
  58  * done by appending a comma to the output stream in between calls to this
  59  * function.
  60  *
  61  * \sa cbor_value_to_pretty(), cbor_value_to_pretty_stream(), cbor_value_to_json_advance()
  62  */
  63 CborError cbor_value_to_pretty_advance(FILE *out, CborValue *value)
  64 {
  65     return cbor_value_to_pretty_stream(cbor_fprintf, out, value, CborPrettyDefaultFlags);
  66 }
  67
  68 /**
  69  * Converts the current CBOR type pointed to by \a value to its textual
  70  * representation and writes it to the \a out stream. If an error occurs, this
  71  * function returns an error code similar to CborParsing.
  72  *
  73  * The textual representation can be controlled by the \a flags parameter (see
  74  * CborPrettyFlags for more information).
  75  *
  76  * If no error ocurred, this function advances \a value to the next element.
  77  * Often, concatenating the text representation of multiple elements can be
  78  * done by appending a comma to the output stream in between calls to this
  79  * function.
  80  *
  81  * \sa cbor_value_to_pretty_stream(), cbor_value_to_pretty(), cbor_value_to_json_advance()
  82  */
  83 CborError cbor_value_to_pretty_advance_flags(FILE *out, CborValue *value, int flags)
  84 {
  85     return cbor_value_to_pretty_stream(cbor_fprintf, out, value, flags);
  86 }
  87