This is a fork due to permission issues
Dependencies: mbed Socket lwip-eth lwip-sys lwip
Fork of 6_songs-from-the-cloud by
mbed-client/nanostack-libservice/source/libTrace/ns_trace.c@0:f7c60d3e7b8a, 2016-05-18 (annotated)
- Committer:
- maclobdell
- Date:
- Wed May 18 19:06:32 2016 +0000
- Revision:
- 0:f7c60d3e7b8a
clean version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
maclobdell | 0:f7c60d3e7b8a | 1 | /* |
maclobdell | 0:f7c60d3e7b8a | 2 | * Copyright (c) 2014-2015 ARM Limited. All rights reserved. |
maclobdell | 0:f7c60d3e7b8a | 3 | * SPDX-License-Identifier: Apache-2.0 |
maclobdell | 0:f7c60d3e7b8a | 4 | * Licensed under the Apache License, Version 2.0 (the License); you may |
maclobdell | 0:f7c60d3e7b8a | 5 | * not use this file except in compliance with the License. |
maclobdell | 0:f7c60d3e7b8a | 6 | * You may obtain a copy of the License at |
maclobdell | 0:f7c60d3e7b8a | 7 | * |
maclobdell | 0:f7c60d3e7b8a | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
maclobdell | 0:f7c60d3e7b8a | 9 | * |
maclobdell | 0:f7c60d3e7b8a | 10 | * Unless required by applicable law or agreed to in writing, software |
maclobdell | 0:f7c60d3e7b8a | 11 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
maclobdell | 0:f7c60d3e7b8a | 12 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
maclobdell | 0:f7c60d3e7b8a | 13 | * See the License for the specific language governing permissions and |
maclobdell | 0:f7c60d3e7b8a | 14 | * limitations under the License. |
maclobdell | 0:f7c60d3e7b8a | 15 | */ |
maclobdell | 0:f7c60d3e7b8a | 16 | #include <stdio.h> |
maclobdell | 0:f7c60d3e7b8a | 17 | #include <string.h> |
maclobdell | 0:f7c60d3e7b8a | 18 | #include <stdarg.h> |
maclobdell | 0:f7c60d3e7b8a | 19 | #include <stdlib.h> |
maclobdell | 0:f7c60d3e7b8a | 20 | |
maclobdell | 0:f7c60d3e7b8a | 21 | #define HAVE_DEBUG 1 |
maclobdell | 0:f7c60d3e7b8a | 22 | |
maclobdell | 0:f7c60d3e7b8a | 23 | #include "ns_trace.h" |
maclobdell | 0:f7c60d3e7b8a | 24 | #include "ip6string.h" |
maclobdell | 0:f7c60d3e7b8a | 25 | #include "common_functions.h" |
maclobdell | 0:f7c60d3e7b8a | 26 | |
maclobdell | 0:f7c60d3e7b8a | 27 | #if defined(_WIN32) || defined(__unix__) || defined(__unix) || defined(unix) || (defined(YOTTA_CFG) && !defined(NDEBUG)) |
maclobdell | 0:f7c60d3e7b8a | 28 | //NOTE! It is not allowed to use this MEM_ALLOC/MEM_FREE from interrupt context. |
maclobdell | 0:f7c60d3e7b8a | 29 | #ifndef MEM_ALLOC |
maclobdell | 0:f7c60d3e7b8a | 30 | #define MEM_ALLOC malloc |
maclobdell | 0:f7c60d3e7b8a | 31 | #endif |
maclobdell | 0:f7c60d3e7b8a | 32 | #ifndef MEM_FREE |
maclobdell | 0:f7c60d3e7b8a | 33 | #define MEM_FREE free |
maclobdell | 0:f7c60d3e7b8a | 34 | #endif |
maclobdell | 0:f7c60d3e7b8a | 35 | #else |
maclobdell | 0:f7c60d3e7b8a | 36 | #include "nsdynmemLIB.h" |
maclobdell | 0:f7c60d3e7b8a | 37 | #ifndef MEM_ALLOC |
maclobdell | 0:f7c60d3e7b8a | 38 | #define MEM_ALLOC ns_dyn_mem_alloc |
maclobdell | 0:f7c60d3e7b8a | 39 | #endif |
maclobdell | 0:f7c60d3e7b8a | 40 | #ifndef MEM_FREE |
maclobdell | 0:f7c60d3e7b8a | 41 | #define MEM_FREE ns_dyn_mem_free |
maclobdell | 0:f7c60d3e7b8a | 42 | #endif |
maclobdell | 0:f7c60d3e7b8a | 43 | #endif |
maclobdell | 0:f7c60d3e7b8a | 44 | |
maclobdell | 0:f7c60d3e7b8a | 45 | #define VT100_COLOR_ERROR "\x1b[31m" |
maclobdell | 0:f7c60d3e7b8a | 46 | #define VT100_COLOR_WARN "\x1b[33m" |
maclobdell | 0:f7c60d3e7b8a | 47 | #define VT100_COLOR_INFO "\x1b[39m" |
maclobdell | 0:f7c60d3e7b8a | 48 | #define VT100_COLOR_DEBUG "\x1b[90m" |
maclobdell | 0:f7c60d3e7b8a | 49 | |
maclobdell | 0:f7c60d3e7b8a | 50 | /** default max trace line size in bytes */ |
maclobdell | 0:f7c60d3e7b8a | 51 | #define DEFAULT_TRACE_LINE_LENGTH 1024 |
maclobdell | 0:f7c60d3e7b8a | 52 | /** default max temporary buffer size in bytes, used in |
maclobdell | 0:f7c60d3e7b8a | 53 | trace_ipv6, trace_array and trace_strn */ |
maclobdell | 0:f7c60d3e7b8a | 54 | #define DEFAULT_TRACE_TMP_LINE_LEN 128 |
maclobdell | 0:f7c60d3e7b8a | 55 | /** default max filters (include/exclude) length in bytes */ |
maclobdell | 0:f7c60d3e7b8a | 56 | #define DEFAULT_TRACE_FILTER_LENGTH 24 |
maclobdell | 0:f7c60d3e7b8a | 57 | |
maclobdell | 0:f7c60d3e7b8a | 58 | /** default print function, just redirect str to printf */ |
maclobdell | 0:f7c60d3e7b8a | 59 | static void default_print(const char *str); |
maclobdell | 0:f7c60d3e7b8a | 60 | |
maclobdell | 0:f7c60d3e7b8a | 61 | typedef struct { |
maclobdell | 0:f7c60d3e7b8a | 62 | /** trace configuration bits */ |
maclobdell | 0:f7c60d3e7b8a | 63 | uint8_t trace_config; |
maclobdell | 0:f7c60d3e7b8a | 64 | /** exclude filters list, related group name */ |
maclobdell | 0:f7c60d3e7b8a | 65 | char *filters_exclude; |
maclobdell | 0:f7c60d3e7b8a | 66 | /** include filters list, related group name */ |
maclobdell | 0:f7c60d3e7b8a | 67 | char *filters_include; |
maclobdell | 0:f7c60d3e7b8a | 68 | /** Filters length */ |
maclobdell | 0:f7c60d3e7b8a | 69 | int filters_length; |
maclobdell | 0:f7c60d3e7b8a | 70 | /** trace line */ |
maclobdell | 0:f7c60d3e7b8a | 71 | char *line; |
maclobdell | 0:f7c60d3e7b8a | 72 | /** trace line length */ |
maclobdell | 0:f7c60d3e7b8a | 73 | int line_length; |
maclobdell | 0:f7c60d3e7b8a | 74 | /** temporary data */ |
maclobdell | 0:f7c60d3e7b8a | 75 | char *tmp_data; |
maclobdell | 0:f7c60d3e7b8a | 76 | /** temporary data array length */ |
maclobdell | 0:f7c60d3e7b8a | 77 | int tmp_data_length; |
maclobdell | 0:f7c60d3e7b8a | 78 | /** temporary data pointer */ |
maclobdell | 0:f7c60d3e7b8a | 79 | char *tmp_data_ptr; |
maclobdell | 0:f7c60d3e7b8a | 80 | |
maclobdell | 0:f7c60d3e7b8a | 81 | /** prefix function, which can be used to put time to the trace line */ |
maclobdell | 0:f7c60d3e7b8a | 82 | char *(*prefix_f)(size_t); |
maclobdell | 0:f7c60d3e7b8a | 83 | /** suffix function, which can be used to some string to the end of trace line */ |
maclobdell | 0:f7c60d3e7b8a | 84 | char *(*suffix_f)(void); |
maclobdell | 0:f7c60d3e7b8a | 85 | /** print out function. Can be redirect to flash for example. */ |
maclobdell | 0:f7c60d3e7b8a | 86 | void (*printf)(const char *); |
maclobdell | 0:f7c60d3e7b8a | 87 | /** print out function for TRACE_LEVEL_CMD */ |
maclobdell | 0:f7c60d3e7b8a | 88 | void (*cmd_printf)(const char *); |
maclobdell | 0:f7c60d3e7b8a | 89 | } trace_s; |
maclobdell | 0:f7c60d3e7b8a | 90 | |
maclobdell | 0:f7c60d3e7b8a | 91 | static trace_s m_trace = { |
maclobdell | 0:f7c60d3e7b8a | 92 | .filters_exclude = 0, |
maclobdell | 0:f7c60d3e7b8a | 93 | .filters_include = 0, |
maclobdell | 0:f7c60d3e7b8a | 94 | .line = 0, |
maclobdell | 0:f7c60d3e7b8a | 95 | .tmp_data = 0, |
maclobdell | 0:f7c60d3e7b8a | 96 | .prefix_f = 0, |
maclobdell | 0:f7c60d3e7b8a | 97 | .suffix_f = 0, |
maclobdell | 0:f7c60d3e7b8a | 98 | .printf = 0, |
maclobdell | 0:f7c60d3e7b8a | 99 | .cmd_printf = 0 |
maclobdell | 0:f7c60d3e7b8a | 100 | }; |
maclobdell | 0:f7c60d3e7b8a | 101 | |
maclobdell | 0:f7c60d3e7b8a | 102 | int trace_init(void) |
maclobdell | 0:f7c60d3e7b8a | 103 | { |
maclobdell | 0:f7c60d3e7b8a | 104 | m_trace.trace_config = TRACE_MODE_COLOR | TRACE_ACTIVE_LEVEL_ALL | TRACE_CARRIAGE_RETURN; |
maclobdell | 0:f7c60d3e7b8a | 105 | m_trace.line_length = DEFAULT_TRACE_LINE_LENGTH; |
maclobdell | 0:f7c60d3e7b8a | 106 | if (m_trace.line == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 107 | m_trace.line = MEM_ALLOC(m_trace.line_length); |
maclobdell | 0:f7c60d3e7b8a | 108 | } |
maclobdell | 0:f7c60d3e7b8a | 109 | m_trace.tmp_data_length = DEFAULT_TRACE_TMP_LINE_LEN; |
maclobdell | 0:f7c60d3e7b8a | 110 | if (m_trace.tmp_data == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 111 | m_trace.tmp_data = MEM_ALLOC(m_trace.tmp_data_length); |
maclobdell | 0:f7c60d3e7b8a | 112 | } |
maclobdell | 0:f7c60d3e7b8a | 113 | m_trace.tmp_data_ptr = m_trace.tmp_data; |
maclobdell | 0:f7c60d3e7b8a | 114 | m_trace.filters_length = DEFAULT_TRACE_FILTER_LENGTH; |
maclobdell | 0:f7c60d3e7b8a | 115 | if (m_trace.filters_exclude == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 116 | m_trace.filters_exclude = MEM_ALLOC(m_trace.filters_length); |
maclobdell | 0:f7c60d3e7b8a | 117 | } |
maclobdell | 0:f7c60d3e7b8a | 118 | if (m_trace.filters_include == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 119 | m_trace.filters_include = MEM_ALLOC(m_trace.filters_length); |
maclobdell | 0:f7c60d3e7b8a | 120 | } |
maclobdell | 0:f7c60d3e7b8a | 121 | |
maclobdell | 0:f7c60d3e7b8a | 122 | if (m_trace.line == NULL || |
maclobdell | 0:f7c60d3e7b8a | 123 | m_trace.tmp_data == NULL || |
maclobdell | 0:f7c60d3e7b8a | 124 | m_trace.filters_exclude == NULL || |
maclobdell | 0:f7c60d3e7b8a | 125 | m_trace.filters_include == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 126 | //memory allocation fail |
maclobdell | 0:f7c60d3e7b8a | 127 | trace_free(); |
maclobdell | 0:f7c60d3e7b8a | 128 | return -1; |
maclobdell | 0:f7c60d3e7b8a | 129 | } |
maclobdell | 0:f7c60d3e7b8a | 130 | memset(m_trace.tmp_data, 0, m_trace.tmp_data_length); |
maclobdell | 0:f7c60d3e7b8a | 131 | memset(m_trace.filters_exclude, 0, m_trace.filters_length); |
maclobdell | 0:f7c60d3e7b8a | 132 | memset(m_trace.filters_include, 0, m_trace.filters_length); |
maclobdell | 0:f7c60d3e7b8a | 133 | memset(m_trace.line, 0, m_trace.line_length); |
maclobdell | 0:f7c60d3e7b8a | 134 | |
maclobdell | 0:f7c60d3e7b8a | 135 | m_trace.prefix_f = 0; |
maclobdell | 0:f7c60d3e7b8a | 136 | m_trace.suffix_f = 0; |
maclobdell | 0:f7c60d3e7b8a | 137 | m_trace.printf = default_print; |
maclobdell | 0:f7c60d3e7b8a | 138 | m_trace.cmd_printf = 0; |
maclobdell | 0:f7c60d3e7b8a | 139 | |
maclobdell | 0:f7c60d3e7b8a | 140 | return 0; |
maclobdell | 0:f7c60d3e7b8a | 141 | } |
maclobdell | 0:f7c60d3e7b8a | 142 | void trace_free(void) |
maclobdell | 0:f7c60d3e7b8a | 143 | { |
maclobdell | 0:f7c60d3e7b8a | 144 | MEM_FREE(m_trace.line); |
maclobdell | 0:f7c60d3e7b8a | 145 | m_trace.line_length = 0; |
maclobdell | 0:f7c60d3e7b8a | 146 | m_trace.line = 0; |
maclobdell | 0:f7c60d3e7b8a | 147 | MEM_FREE(m_trace.tmp_data); |
maclobdell | 0:f7c60d3e7b8a | 148 | m_trace.tmp_data = 0; |
maclobdell | 0:f7c60d3e7b8a | 149 | m_trace.tmp_data_ptr = 0; |
maclobdell | 0:f7c60d3e7b8a | 150 | MEM_FREE(m_trace.filters_exclude); |
maclobdell | 0:f7c60d3e7b8a | 151 | m_trace.filters_exclude = 0; |
maclobdell | 0:f7c60d3e7b8a | 152 | MEM_FREE(m_trace.filters_include); |
maclobdell | 0:f7c60d3e7b8a | 153 | m_trace.filters_include = 0; |
maclobdell | 0:f7c60d3e7b8a | 154 | m_trace.filters_length = 0; |
maclobdell | 0:f7c60d3e7b8a | 155 | } |
maclobdell | 0:f7c60d3e7b8a | 156 | /** @TODO do we need dynamically change trace buffer sizes ? |
maclobdell | 0:f7c60d3e7b8a | 157 | // reconfigure trace buffer sizes |
maclobdell | 0:f7c60d3e7b8a | 158 | void set_trace_buffer_sizes(int lineLength, int tmpLength) |
maclobdell | 0:f7c60d3e7b8a | 159 | { |
maclobdell | 0:f7c60d3e7b8a | 160 | REALLOC( m_trace.line, dataLength ); |
maclobdell | 0:f7c60d3e7b8a | 161 | REALLOC( m_trace.tmp_data, tmpLength); |
maclobdell | 0:f7c60d3e7b8a | 162 | m_trace.tmp_data_length = tmpLength; |
maclobdell | 0:f7c60d3e7b8a | 163 | } |
maclobdell | 0:f7c60d3e7b8a | 164 | */ |
maclobdell | 0:f7c60d3e7b8a | 165 | void set_trace_config(uint8_t config) |
maclobdell | 0:f7c60d3e7b8a | 166 | { |
maclobdell | 0:f7c60d3e7b8a | 167 | m_trace.trace_config = config; |
maclobdell | 0:f7c60d3e7b8a | 168 | } |
maclobdell | 0:f7c60d3e7b8a | 169 | uint8_t get_trace_config(void) |
maclobdell | 0:f7c60d3e7b8a | 170 | { |
maclobdell | 0:f7c60d3e7b8a | 171 | return m_trace.trace_config; |
maclobdell | 0:f7c60d3e7b8a | 172 | } |
maclobdell | 0:f7c60d3e7b8a | 173 | void set_trace_prefix_function(char *(*pref_f)(size_t)) |
maclobdell | 0:f7c60d3e7b8a | 174 | { |
maclobdell | 0:f7c60d3e7b8a | 175 | m_trace.prefix_f = pref_f; |
maclobdell | 0:f7c60d3e7b8a | 176 | } |
maclobdell | 0:f7c60d3e7b8a | 177 | void set_trace_suffix_function(char *(*suffix_f)(void)) |
maclobdell | 0:f7c60d3e7b8a | 178 | { |
maclobdell | 0:f7c60d3e7b8a | 179 | m_trace.suffix_f = suffix_f; |
maclobdell | 0:f7c60d3e7b8a | 180 | } |
maclobdell | 0:f7c60d3e7b8a | 181 | void set_trace_print_function(void (*printf)(const char *)) |
maclobdell | 0:f7c60d3e7b8a | 182 | { |
maclobdell | 0:f7c60d3e7b8a | 183 | m_trace.printf = printf; |
maclobdell | 0:f7c60d3e7b8a | 184 | } |
maclobdell | 0:f7c60d3e7b8a | 185 | void set_trace_cmdprint_function(void (*printf)(const char *)) |
maclobdell | 0:f7c60d3e7b8a | 186 | { |
maclobdell | 0:f7c60d3e7b8a | 187 | m_trace.cmd_printf = printf; |
maclobdell | 0:f7c60d3e7b8a | 188 | } |
maclobdell | 0:f7c60d3e7b8a | 189 | void set_trace_exclude_filters(char *filters) |
maclobdell | 0:f7c60d3e7b8a | 190 | { |
maclobdell | 0:f7c60d3e7b8a | 191 | if (filters) { |
maclobdell | 0:f7c60d3e7b8a | 192 | (void)strncpy(m_trace.filters_exclude, filters, m_trace.filters_length); |
maclobdell | 0:f7c60d3e7b8a | 193 | } else { |
maclobdell | 0:f7c60d3e7b8a | 194 | m_trace.filters_exclude[0] = 0; |
maclobdell | 0:f7c60d3e7b8a | 195 | } |
maclobdell | 0:f7c60d3e7b8a | 196 | } |
maclobdell | 0:f7c60d3e7b8a | 197 | const char *get_trace_exclude_filters(void) |
maclobdell | 0:f7c60d3e7b8a | 198 | { |
maclobdell | 0:f7c60d3e7b8a | 199 | return m_trace.filters_exclude; |
maclobdell | 0:f7c60d3e7b8a | 200 | } |
maclobdell | 0:f7c60d3e7b8a | 201 | const char *get_trace_include_filters(void) |
maclobdell | 0:f7c60d3e7b8a | 202 | { |
maclobdell | 0:f7c60d3e7b8a | 203 | return m_trace.filters_include; |
maclobdell | 0:f7c60d3e7b8a | 204 | } |
maclobdell | 0:f7c60d3e7b8a | 205 | void set_trace_include_filters(char *filters) |
maclobdell | 0:f7c60d3e7b8a | 206 | { |
maclobdell | 0:f7c60d3e7b8a | 207 | if (filters) { |
maclobdell | 0:f7c60d3e7b8a | 208 | (void)strncpy(m_trace.filters_include, filters, m_trace.filters_length); |
maclobdell | 0:f7c60d3e7b8a | 209 | } else { |
maclobdell | 0:f7c60d3e7b8a | 210 | m_trace.filters_include[0] = 0; |
maclobdell | 0:f7c60d3e7b8a | 211 | } |
maclobdell | 0:f7c60d3e7b8a | 212 | } |
maclobdell | 0:f7c60d3e7b8a | 213 | static int8_t trace_skip(int8_t dlevel, const char *grp) |
maclobdell | 0:f7c60d3e7b8a | 214 | { |
maclobdell | 0:f7c60d3e7b8a | 215 | if (dlevel >= 0 && grp != 0) { |
maclobdell | 0:f7c60d3e7b8a | 216 | // filter debug prints only when dlevel is >0 and grp is given |
maclobdell | 0:f7c60d3e7b8a | 217 | |
maclobdell | 0:f7c60d3e7b8a | 218 | /// @TODO this could be much better.. |
maclobdell | 0:f7c60d3e7b8a | 219 | if (m_trace.filters_exclude[0] != '\0' && |
maclobdell | 0:f7c60d3e7b8a | 220 | strstr(m_trace.filters_exclude, grp) != 0) { |
maclobdell | 0:f7c60d3e7b8a | 221 | //grp was in exclude list |
maclobdell | 0:f7c60d3e7b8a | 222 | return 1; |
maclobdell | 0:f7c60d3e7b8a | 223 | } |
maclobdell | 0:f7c60d3e7b8a | 224 | if (m_trace.filters_include[0] != '\0' && |
maclobdell | 0:f7c60d3e7b8a | 225 | strstr(m_trace.filters_include, grp) == 0) { |
maclobdell | 0:f7c60d3e7b8a | 226 | //grp was in include list |
maclobdell | 0:f7c60d3e7b8a | 227 | return 1; |
maclobdell | 0:f7c60d3e7b8a | 228 | } |
maclobdell | 0:f7c60d3e7b8a | 229 | } |
maclobdell | 0:f7c60d3e7b8a | 230 | return 0; |
maclobdell | 0:f7c60d3e7b8a | 231 | } |
maclobdell | 0:f7c60d3e7b8a | 232 | static void default_print(const char *str) |
maclobdell | 0:f7c60d3e7b8a | 233 | { |
maclobdell | 0:f7c60d3e7b8a | 234 | puts(str); |
maclobdell | 0:f7c60d3e7b8a | 235 | } |
maclobdell | 0:f7c60d3e7b8a | 236 | void tracef(uint8_t dlevel, const char *grp, const char *fmt, ...) |
maclobdell | 0:f7c60d3e7b8a | 237 | { |
maclobdell | 0:f7c60d3e7b8a | 238 | if (m_trace.line == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 239 | // Quite likely the trace_init() has not been called yet, |
maclobdell | 0:f7c60d3e7b8a | 240 | // but it is better to just shut up instead of crashing with |
maclobdell | 0:f7c60d3e7b8a | 241 | // null pointer dereference. |
maclobdell | 0:f7c60d3e7b8a | 242 | return; |
maclobdell | 0:f7c60d3e7b8a | 243 | } |
maclobdell | 0:f7c60d3e7b8a | 244 | |
maclobdell | 0:f7c60d3e7b8a | 245 | m_trace.line[0] = 0; //by default trace is empty |
maclobdell | 0:f7c60d3e7b8a | 246 | if (trace_skip(dlevel, grp) || fmt == 0 || grp == 0) { |
maclobdell | 0:f7c60d3e7b8a | 247 | return; |
maclobdell | 0:f7c60d3e7b8a | 248 | } |
maclobdell | 0:f7c60d3e7b8a | 249 | if ((m_trace.trace_config & TRACE_MASK_LEVEL) & dlevel) { |
maclobdell | 0:f7c60d3e7b8a | 250 | bool color = (m_trace.trace_config & TRACE_MODE_COLOR) != 0; |
maclobdell | 0:f7c60d3e7b8a | 251 | bool plain = (m_trace.trace_config & TRACE_MODE_PLAIN) != 0; |
maclobdell | 0:f7c60d3e7b8a | 252 | bool cr = (m_trace.trace_config & TRACE_CARRIAGE_RETURN) != 0; |
maclobdell | 0:f7c60d3e7b8a | 253 | //printf("CFG: 0x%02x, plain: %i, color: %i, cr: %i\n", m_trace.trace_config, plain, color, cr); |
maclobdell | 0:f7c60d3e7b8a | 254 | |
maclobdell | 0:f7c60d3e7b8a | 255 | int retval = 0, bLeft = m_trace.line_length; |
maclobdell | 0:f7c60d3e7b8a | 256 | char *ptr = m_trace.line; |
maclobdell | 0:f7c60d3e7b8a | 257 | if (plain == true || dlevel == TRACE_LEVEL_CMD) { |
maclobdell | 0:f7c60d3e7b8a | 258 | va_list ap; |
maclobdell | 0:f7c60d3e7b8a | 259 | va_start(ap, fmt); |
maclobdell | 0:f7c60d3e7b8a | 260 | //add trace data |
maclobdell | 0:f7c60d3e7b8a | 261 | retval = vsnprintf(ptr, bLeft, fmt, ap); |
maclobdell | 0:f7c60d3e7b8a | 262 | va_end(ap); |
maclobdell | 0:f7c60d3e7b8a | 263 | if (dlevel == TRACE_LEVEL_CMD && m_trace.cmd_printf) { |
maclobdell | 0:f7c60d3e7b8a | 264 | m_trace.cmd_printf(m_trace.line); |
maclobdell | 0:f7c60d3e7b8a | 265 | m_trace.cmd_printf("\n"); |
maclobdell | 0:f7c60d3e7b8a | 266 | } else { |
maclobdell | 0:f7c60d3e7b8a | 267 | //print out whole data |
maclobdell | 0:f7c60d3e7b8a | 268 | m_trace.printf(m_trace.line); |
maclobdell | 0:f7c60d3e7b8a | 269 | } |
maclobdell | 0:f7c60d3e7b8a | 270 | } else { |
maclobdell | 0:f7c60d3e7b8a | 271 | if (color) { |
maclobdell | 0:f7c60d3e7b8a | 272 | if (cr) { |
maclobdell | 0:f7c60d3e7b8a | 273 | retval = snprintf(ptr, bLeft, "\r\x1b[2K"); |
maclobdell | 0:f7c60d3e7b8a | 274 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 275 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 276 | } |
maclobdell | 0:f7c60d3e7b8a | 277 | if (retval > 0) { |
maclobdell | 0:f7c60d3e7b8a | 278 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 279 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 280 | } |
maclobdell | 0:f7c60d3e7b8a | 281 | } |
maclobdell | 0:f7c60d3e7b8a | 282 | if (bLeft > 0) { |
maclobdell | 0:f7c60d3e7b8a | 283 | //include color in ANSI/VT100 escape code |
maclobdell | 0:f7c60d3e7b8a | 284 | switch (dlevel) { |
maclobdell | 0:f7c60d3e7b8a | 285 | case (TRACE_LEVEL_ERROR): |
maclobdell | 0:f7c60d3e7b8a | 286 | retval = snprintf(ptr, bLeft, "%s", VT100_COLOR_ERROR); |
maclobdell | 0:f7c60d3e7b8a | 287 | break; |
maclobdell | 0:f7c60d3e7b8a | 288 | case (TRACE_LEVEL_WARN): |
maclobdell | 0:f7c60d3e7b8a | 289 | retval = snprintf(ptr, bLeft, "%s", VT100_COLOR_WARN); |
maclobdell | 0:f7c60d3e7b8a | 290 | break; |
maclobdell | 0:f7c60d3e7b8a | 291 | case (TRACE_LEVEL_INFO): |
maclobdell | 0:f7c60d3e7b8a | 292 | retval = snprintf(ptr, bLeft, "%s", VT100_COLOR_INFO); |
maclobdell | 0:f7c60d3e7b8a | 293 | break; |
maclobdell | 0:f7c60d3e7b8a | 294 | case (TRACE_LEVEL_DEBUG): |
maclobdell | 0:f7c60d3e7b8a | 295 | retval = snprintf(ptr, bLeft, "%s", VT100_COLOR_DEBUG); |
maclobdell | 0:f7c60d3e7b8a | 296 | break; |
maclobdell | 0:f7c60d3e7b8a | 297 | default: |
maclobdell | 0:f7c60d3e7b8a | 298 | color = 0; //avoid unneeded color-terminate code |
maclobdell | 0:f7c60d3e7b8a | 299 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 300 | break; |
maclobdell | 0:f7c60d3e7b8a | 301 | } |
maclobdell | 0:f7c60d3e7b8a | 302 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 303 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 304 | } |
maclobdell | 0:f7c60d3e7b8a | 305 | if (retval > 0 && color) { |
maclobdell | 0:f7c60d3e7b8a | 306 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 307 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 308 | } |
maclobdell | 0:f7c60d3e7b8a | 309 | } |
maclobdell | 0:f7c60d3e7b8a | 310 | |
maclobdell | 0:f7c60d3e7b8a | 311 | } |
maclobdell | 0:f7c60d3e7b8a | 312 | if (bLeft > 0 && m_trace.prefix_f) { |
maclobdell | 0:f7c60d3e7b8a | 313 | va_list ap; |
maclobdell | 0:f7c60d3e7b8a | 314 | va_start(ap, fmt); |
maclobdell | 0:f7c60d3e7b8a | 315 | //find out length of body |
maclobdell | 0:f7c60d3e7b8a | 316 | size_t sz = 0; |
maclobdell | 0:f7c60d3e7b8a | 317 | sz = vsnprintf(NULL, 0, fmt, ap) + retval + (retval ? 4 : 0); |
maclobdell | 0:f7c60d3e7b8a | 318 | //add prefix string |
maclobdell | 0:f7c60d3e7b8a | 319 | retval = snprintf(ptr, bLeft, "%s", m_trace.prefix_f(sz)); |
maclobdell | 0:f7c60d3e7b8a | 320 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 321 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 322 | } |
maclobdell | 0:f7c60d3e7b8a | 323 | if (retval > 0) { |
maclobdell | 0:f7c60d3e7b8a | 324 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 325 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 326 | } |
maclobdell | 0:f7c60d3e7b8a | 327 | va_end(ap); |
maclobdell | 0:f7c60d3e7b8a | 328 | } |
maclobdell | 0:f7c60d3e7b8a | 329 | if (bLeft > 0) { |
maclobdell | 0:f7c60d3e7b8a | 330 | //add group tag |
maclobdell | 0:f7c60d3e7b8a | 331 | switch (dlevel) { |
maclobdell | 0:f7c60d3e7b8a | 332 | case (TRACE_LEVEL_ERROR): |
maclobdell | 0:f7c60d3e7b8a | 333 | retval = snprintf(ptr, bLeft, "[ERR ][%-4s]: ", grp); |
maclobdell | 0:f7c60d3e7b8a | 334 | break; |
maclobdell | 0:f7c60d3e7b8a | 335 | case (TRACE_LEVEL_WARN): |
maclobdell | 0:f7c60d3e7b8a | 336 | retval = snprintf(ptr, bLeft, "[WARN][%-4s]: ", grp); |
maclobdell | 0:f7c60d3e7b8a | 337 | break; |
maclobdell | 0:f7c60d3e7b8a | 338 | case (TRACE_LEVEL_INFO): |
maclobdell | 0:f7c60d3e7b8a | 339 | retval = snprintf(ptr, bLeft, "[INFO][%-4s]: ", grp); |
maclobdell | 0:f7c60d3e7b8a | 340 | break; |
maclobdell | 0:f7c60d3e7b8a | 341 | case (TRACE_LEVEL_DEBUG): |
maclobdell | 0:f7c60d3e7b8a | 342 | retval = snprintf(ptr, bLeft, "[DBG ][%-4s]: ", grp); |
maclobdell | 0:f7c60d3e7b8a | 343 | break; |
maclobdell | 0:f7c60d3e7b8a | 344 | default: |
maclobdell | 0:f7c60d3e7b8a | 345 | retval = snprintf(ptr, bLeft, " "); |
maclobdell | 0:f7c60d3e7b8a | 346 | break; |
maclobdell | 0:f7c60d3e7b8a | 347 | } |
maclobdell | 0:f7c60d3e7b8a | 348 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 349 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 350 | } |
maclobdell | 0:f7c60d3e7b8a | 351 | if (retval > 0) { |
maclobdell | 0:f7c60d3e7b8a | 352 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 353 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 354 | } |
maclobdell | 0:f7c60d3e7b8a | 355 | } |
maclobdell | 0:f7c60d3e7b8a | 356 | if (retval > 0 && bLeft > 0) { |
maclobdell | 0:f7c60d3e7b8a | 357 | va_list ap; |
maclobdell | 0:f7c60d3e7b8a | 358 | va_start(ap, fmt); |
maclobdell | 0:f7c60d3e7b8a | 359 | //add trace text |
maclobdell | 0:f7c60d3e7b8a | 360 | retval = vsnprintf(ptr, bLeft, fmt, ap); |
maclobdell | 0:f7c60d3e7b8a | 361 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 362 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 363 | } |
maclobdell | 0:f7c60d3e7b8a | 364 | if (retval > 0) { |
maclobdell | 0:f7c60d3e7b8a | 365 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 366 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 367 | } |
maclobdell | 0:f7c60d3e7b8a | 368 | va_end(ap); |
maclobdell | 0:f7c60d3e7b8a | 369 | } |
maclobdell | 0:f7c60d3e7b8a | 370 | |
maclobdell | 0:f7c60d3e7b8a | 371 | if (retval > 0 && bLeft > 0 && m_trace.suffix_f) { |
maclobdell | 0:f7c60d3e7b8a | 372 | //add suffix string |
maclobdell | 0:f7c60d3e7b8a | 373 | retval = snprintf(ptr, bLeft, "%s", m_trace.suffix_f()); |
maclobdell | 0:f7c60d3e7b8a | 374 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 375 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 376 | } |
maclobdell | 0:f7c60d3e7b8a | 377 | if (retval > 0) { |
maclobdell | 0:f7c60d3e7b8a | 378 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 379 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 380 | } |
maclobdell | 0:f7c60d3e7b8a | 381 | } |
maclobdell | 0:f7c60d3e7b8a | 382 | |
maclobdell | 0:f7c60d3e7b8a | 383 | if (retval > 0 && bLeft > 0 && color) { |
maclobdell | 0:f7c60d3e7b8a | 384 | //add zero color VT100 when color mode |
maclobdell | 0:f7c60d3e7b8a | 385 | retval = snprintf(ptr, bLeft, "\x1b[0m"); |
maclobdell | 0:f7c60d3e7b8a | 386 | if (retval >= bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 387 | retval = 0; |
maclobdell | 0:f7c60d3e7b8a | 388 | } |
maclobdell | 0:f7c60d3e7b8a | 389 | if (retval > 0) { |
maclobdell | 0:f7c60d3e7b8a | 390 | ptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 391 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 392 | } |
maclobdell | 0:f7c60d3e7b8a | 393 | } |
maclobdell | 0:f7c60d3e7b8a | 394 | //print out whole data |
maclobdell | 0:f7c60d3e7b8a | 395 | m_trace.printf(m_trace.line); |
maclobdell | 0:f7c60d3e7b8a | 396 | } |
maclobdell | 0:f7c60d3e7b8a | 397 | //return tmp data pointer back to the beginning |
maclobdell | 0:f7c60d3e7b8a | 398 | m_trace.tmp_data_ptr = m_trace.tmp_data; |
maclobdell | 0:f7c60d3e7b8a | 399 | } |
maclobdell | 0:f7c60d3e7b8a | 400 | } |
maclobdell | 0:f7c60d3e7b8a | 401 | const char *trace_last(void) |
maclobdell | 0:f7c60d3e7b8a | 402 | { |
maclobdell | 0:f7c60d3e7b8a | 403 | return m_trace.line; |
maclobdell | 0:f7c60d3e7b8a | 404 | } |
maclobdell | 0:f7c60d3e7b8a | 405 | /* Helping functions */ |
maclobdell | 0:f7c60d3e7b8a | 406 | #define tmp_data_left() m_trace.tmp_data_length-(m_trace.tmp_data_ptr-m_trace.tmp_data) |
maclobdell | 0:f7c60d3e7b8a | 407 | char *trace_ipv6(const void *addr_ptr) |
maclobdell | 0:f7c60d3e7b8a | 408 | { |
maclobdell | 0:f7c60d3e7b8a | 409 | char *str = m_trace.tmp_data_ptr; |
maclobdell | 0:f7c60d3e7b8a | 410 | if (str == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 411 | return ""; |
maclobdell | 0:f7c60d3e7b8a | 412 | } |
maclobdell | 0:f7c60d3e7b8a | 413 | if (tmp_data_left() < 41) { |
maclobdell | 0:f7c60d3e7b8a | 414 | return ""; |
maclobdell | 0:f7c60d3e7b8a | 415 | } |
maclobdell | 0:f7c60d3e7b8a | 416 | if (addr_ptr == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 417 | return "<null>"; |
maclobdell | 0:f7c60d3e7b8a | 418 | } |
maclobdell | 0:f7c60d3e7b8a | 419 | str[0] = 0; |
maclobdell | 0:f7c60d3e7b8a | 420 | ip6tos(addr_ptr, str); |
maclobdell | 0:f7c60d3e7b8a | 421 | m_trace.tmp_data_ptr += strlen(str) + 1; |
maclobdell | 0:f7c60d3e7b8a | 422 | return str; |
maclobdell | 0:f7c60d3e7b8a | 423 | } |
maclobdell | 0:f7c60d3e7b8a | 424 | char *trace_ipv6_prefix(const uint8_t *prefix, uint8_t prefix_len) |
maclobdell | 0:f7c60d3e7b8a | 425 | { |
maclobdell | 0:f7c60d3e7b8a | 426 | char *str = m_trace.tmp_data_ptr; |
maclobdell | 0:f7c60d3e7b8a | 427 | int retval, bLeft = tmp_data_left(); |
maclobdell | 0:f7c60d3e7b8a | 428 | char tmp[40]; |
maclobdell | 0:f7c60d3e7b8a | 429 | uint8_t addr[16] = {0}; |
maclobdell | 0:f7c60d3e7b8a | 430 | |
maclobdell | 0:f7c60d3e7b8a | 431 | if (str == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 432 | return ""; |
maclobdell | 0:f7c60d3e7b8a | 433 | } |
maclobdell | 0:f7c60d3e7b8a | 434 | if (bLeft < 43) { |
maclobdell | 0:f7c60d3e7b8a | 435 | return ""; |
maclobdell | 0:f7c60d3e7b8a | 436 | } |
maclobdell | 0:f7c60d3e7b8a | 437 | |
maclobdell | 0:f7c60d3e7b8a | 438 | if (prefix_len != 0) { |
maclobdell | 0:f7c60d3e7b8a | 439 | if (prefix == NULL || prefix_len > 128) { |
maclobdell | 0:f7c60d3e7b8a | 440 | return "<err>"; |
maclobdell | 0:f7c60d3e7b8a | 441 | } |
maclobdell | 0:f7c60d3e7b8a | 442 | bitcopy(addr, prefix, prefix_len); |
maclobdell | 0:f7c60d3e7b8a | 443 | } |
maclobdell | 0:f7c60d3e7b8a | 444 | |
maclobdell | 0:f7c60d3e7b8a | 445 | ip6tos(addr, tmp); |
maclobdell | 0:f7c60d3e7b8a | 446 | retval = snprintf(str, bLeft, "%s/%u", tmp, prefix_len); |
maclobdell | 0:f7c60d3e7b8a | 447 | if (retval <= 0 || retval > bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 448 | return ""; |
maclobdell | 0:f7c60d3e7b8a | 449 | } |
maclobdell | 0:f7c60d3e7b8a | 450 | |
maclobdell | 0:f7c60d3e7b8a | 451 | m_trace.tmp_data_ptr += retval + 1; |
maclobdell | 0:f7c60d3e7b8a | 452 | return str; |
maclobdell | 0:f7c60d3e7b8a | 453 | } |
maclobdell | 0:f7c60d3e7b8a | 454 | char *trace_array(const uint8_t *buf, uint16_t len) |
maclobdell | 0:f7c60d3e7b8a | 455 | { |
maclobdell | 0:f7c60d3e7b8a | 456 | int i, retval, bLeft = tmp_data_left(); |
maclobdell | 0:f7c60d3e7b8a | 457 | char *str, *wptr; |
maclobdell | 0:f7c60d3e7b8a | 458 | str = m_trace.tmp_data_ptr; |
maclobdell | 0:f7c60d3e7b8a | 459 | if (str == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 460 | return ""; |
maclobdell | 0:f7c60d3e7b8a | 461 | } |
maclobdell | 0:f7c60d3e7b8a | 462 | if (buf == NULL) { |
maclobdell | 0:f7c60d3e7b8a | 463 | return "<null>"; |
maclobdell | 0:f7c60d3e7b8a | 464 | } |
maclobdell | 0:f7c60d3e7b8a | 465 | wptr = str; |
maclobdell | 0:f7c60d3e7b8a | 466 | wptr[0] = 0; |
maclobdell | 0:f7c60d3e7b8a | 467 | const uint8_t *ptr = buf; |
maclobdell | 0:f7c60d3e7b8a | 468 | for (i = 0; i < len; i++) { |
maclobdell | 0:f7c60d3e7b8a | 469 | if (bLeft <= 0) { |
maclobdell | 0:f7c60d3e7b8a | 470 | break; |
maclobdell | 0:f7c60d3e7b8a | 471 | } |
maclobdell | 0:f7c60d3e7b8a | 472 | retval = snprintf(wptr, bLeft, "%02x:", *ptr++); |
maclobdell | 0:f7c60d3e7b8a | 473 | if (retval <= 0 || retval > bLeft) { |
maclobdell | 0:f7c60d3e7b8a | 474 | break; |
maclobdell | 0:f7c60d3e7b8a | 475 | } |
maclobdell | 0:f7c60d3e7b8a | 476 | bLeft -= retval; |
maclobdell | 0:f7c60d3e7b8a | 477 | wptr += retval; |
maclobdell | 0:f7c60d3e7b8a | 478 | } |
maclobdell | 0:f7c60d3e7b8a | 479 | if (wptr > str) { |
maclobdell | 0:f7c60d3e7b8a | 480 | *(wptr - 1) = 0; //null to replace last ':' character |
maclobdell | 0:f7c60d3e7b8a | 481 | } |
maclobdell | 0:f7c60d3e7b8a | 482 | m_trace.tmp_data_ptr = wptr; |
maclobdell | 0:f7c60d3e7b8a | 483 | return str; |
maclobdell | 0:f7c60d3e7b8a | 484 | } |
maclobdell | 0:f7c60d3e7b8a | 485 | |
maclobdell | 0:f7c60d3e7b8a | 486 | // rest of debug print functions will be obsolete and will be overridden with new trace interface.. |
maclobdell | 0:f7c60d3e7b8a | 487 | void debugf(const char *fmt, ...) |
maclobdell | 0:f7c60d3e7b8a | 488 | { |
maclobdell | 0:f7c60d3e7b8a | 489 | va_list ap; |
maclobdell | 0:f7c60d3e7b8a | 490 | va_start(ap, fmt); |
maclobdell | 0:f7c60d3e7b8a | 491 | vprintf(fmt, ap); |
maclobdell | 0:f7c60d3e7b8a | 492 | va_end(ap); |
maclobdell | 0:f7c60d3e7b8a | 493 | } |
maclobdell | 0:f7c60d3e7b8a | 494 | |
maclobdell | 0:f7c60d3e7b8a | 495 | void debug(const char *s) |
maclobdell | 0:f7c60d3e7b8a | 496 | { |
maclobdell | 0:f7c60d3e7b8a | 497 | fputs(s, stdout); |
maclobdell | 0:f7c60d3e7b8a | 498 | } |
maclobdell | 0:f7c60d3e7b8a | 499 | |
maclobdell | 0:f7c60d3e7b8a | 500 | void debug_put(char c) |
maclobdell | 0:f7c60d3e7b8a | 501 | { |
maclobdell | 0:f7c60d3e7b8a | 502 | putchar(c); |
maclobdell | 0:f7c60d3e7b8a | 503 | } |
maclobdell | 0:f7c60d3e7b8a | 504 | |
maclobdell | 0:f7c60d3e7b8a | 505 | void debug_hex(uint8_t x) |
maclobdell | 0:f7c60d3e7b8a | 506 | { |
maclobdell | 0:f7c60d3e7b8a | 507 | printf("%02x", x); |
maclobdell | 0:f7c60d3e7b8a | 508 | } |
maclobdell | 0:f7c60d3e7b8a | 509 | void debug_int(int i) |
maclobdell | 0:f7c60d3e7b8a | 510 | { |
maclobdell | 0:f7c60d3e7b8a | 511 | printf("%d", i); |
maclobdell | 0:f7c60d3e7b8a | 512 | } |
maclobdell | 0:f7c60d3e7b8a | 513 | void printf_array(const void *buf , uint16_t len) |
maclobdell | 0:f7c60d3e7b8a | 514 | { |
maclobdell | 0:f7c60d3e7b8a | 515 | int i; |
maclobdell | 0:f7c60d3e7b8a | 516 | const uint8_t *ptr = buf; |
maclobdell | 0:f7c60d3e7b8a | 517 | for (i = 0; i < len; i++) { |
maclobdell | 0:f7c60d3e7b8a | 518 | if (i && (0 == i % 16)) { |
maclobdell | 0:f7c60d3e7b8a | 519 | putchar('\n'); |
maclobdell | 0:f7c60d3e7b8a | 520 | } |
maclobdell | 0:f7c60d3e7b8a | 521 | printf("%02x:", *ptr++); |
maclobdell | 0:f7c60d3e7b8a | 522 | |
maclobdell | 0:f7c60d3e7b8a | 523 | } |
maclobdell | 0:f7c60d3e7b8a | 524 | putchar('\n'); |
maclobdell | 0:f7c60d3e7b8a | 525 | } |
maclobdell | 0:f7c60d3e7b8a | 526 | void printf_ipv6_address(const void *addr_ptr) |
maclobdell | 0:f7c60d3e7b8a | 527 | { |
maclobdell | 0:f7c60d3e7b8a | 528 | char buf[40] = {0}; |
maclobdell | 0:f7c60d3e7b8a | 529 | ip6tos(addr_ptr, buf); |
maclobdell | 0:f7c60d3e7b8a | 530 | printf("%s\n", buf); |
maclobdell | 0:f7c60d3e7b8a | 531 | } |
maclobdell | 0:f7c60d3e7b8a | 532 | void printf_string(const void *ptr, uint16_t len) |
maclobdell | 0:f7c60d3e7b8a | 533 | { |
maclobdell | 0:f7c60d3e7b8a | 534 | printf("%.*s\n", len, (const char *)ptr); |
maclobdell | 0:f7c60d3e7b8a | 535 | } |