2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus
18 Permission is hereby granted, free of charge, to any person obtaining
19 a copy of this software and associated documentation files (the
20 "Software"), to deal in the Software without restriction, including
21 without limitation the rights to use, copy, modify, merge, publish,
22 distribute, sublicense, and/or sell copies of the Software, and to
23 permit persons to whom the Software is furnished to do so, subject to
24 the following conditions:
26 The above copyright notice and this permission notice shall be
27 included in all copies or substantial portions of the Software.
29 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
32 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
33 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
34 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
35 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 #include <vppinfra/format.h>
43 format_vec32 (u8 * s, va_list * va)
45 u32 *v = va_arg (*va, u32 *);
46 char *fmt = va_arg (*va, char *);
48 for (i = 0; i < vec_len (v); i++)
52 s = format (s, fmt, v[i]);
58 format_vec_uword (u8 * s, va_list * va)
60 uword *v = va_arg (*va, uword *);
61 char *fmt = va_arg (*va, char *);
63 for (i = 0; i < vec_len (v); i++)
67 s = format (s, fmt, v[i]);
72 /* Ascii buffer and length. */
74 format_ascii_bytes (u8 * s, va_list * va)
76 u8 *v = va_arg (*va, u8 *);
77 uword n_bytes = va_arg (*va, uword);
78 vec_add (s, v, n_bytes);
82 /* Format hex dump. */
84 format_hex_bytes (u8 * s, va_list * va)
86 u8 *bytes = va_arg (*va, u8 *);
87 int n_bytes = va_arg (*va, int);
90 /* Print short or long form depending on byte count. */
91 uword short_form = n_bytes <= 32;
92 u32 indent = format_get_indent (s);
97 for (i = 0; i < n_bytes; i++)
99 if (!short_form && (i % 32) == 0)
100 s = format (s, "%08x: ", i);
102 s = format (s, "%02x", bytes[i]);
104 if (!short_form && ((i + 1) % 32) == 0 && (i + 1) < n_bytes)
105 s = format (s, "\n%U", format_white_space, indent);
111 /* Add variable number of spaces. */
113 format_white_space (u8 * s, va_list * va)
115 u32 n = va_arg (*va, u32);
122 format_time_interval (u8 * s, va_list * args)
124 u8 *fmt = va_arg (*args, u8 *);
125 f64 t = va_arg (*args, f64);
128 const f64 seconds_per_minute = 60;
129 const f64 seconds_per_hour = 60 * seconds_per_minute;
130 const f64 seconds_per_day = 24 * seconds_per_hour;
131 uword days, hours, minutes, secs, msecs, usecs;
133 days = t / seconds_per_day;
134 t -= days * seconds_per_day;
136 hours = t / seconds_per_hour;
137 t -= hours * seconds_per_hour;
139 minutes = t / seconds_per_minute;
140 t -= minutes * seconds_per_minute;
148 for (f = fmt; *f; f++)
151 char *what_fmt = "%d";
185 s = format (s, what_fmt, what);
191 /* Unparse memory size e.g. 100, 100k, 100m, 100g. */
193 format_memory_size (u8 * s, va_list * va)
195 uword size = va_arg (*va, uword);
198 l = size > 0 ? min_log2 (size) : 0;
208 u = (uword) 1 << log_u;
210 s = format (s, "%.2f", (f64) size / (f64) u);
212 s = format (s, "%d", size >> log_u);
215 s = format (s, "%c", " kmg"[log_u / 10]);
220 /* Parse memory size e.g. 100, 100k, 100m, 100g. */
222 unformat_memory_size (unformat_input_t * input, va_list * va)
224 uword amount, shift, c;
225 uword *result = va_arg (*va, uword *);
227 if (!unformat (input, "%wd%_", &amount))
230 c = unformat_get_input (input);
247 unformat_put_input (input);
251 *result = amount << shift;
255 /* Format c identifier: e.g. a_name -> "a name".
256 Works for both vector names and null terminated c strings. */
258 format_c_identifier (u8 * s, va_list * va)
260 u8 *id = va_arg (*va, u8 *);
264 if (clib_mem_is_vec (id))
268 for (i = 0; id[i] != 0 && i < l; i++)
281 format_hexdump (u8 * s, va_list * args)
283 u8 *data = va_arg (*args, u8 *);
284 uword len = va_arg (*args, uword);
286 const int line_len = 16;
289 u32 indent = format_get_indent (s);
294 for (i = 0; i < len; i++)
296 line_hex = format (line_hex, "%02x ", data[i]);
297 line_str = format (line_str, "%c", isprint (data[i]) ? data[i] : '.');
298 if (!((i + 1) % line_len))
300 s = format (s, "%U%05x: %v[%v]",
301 format_white_space, index ? indent : 0,
302 index, line_hex, line_str);
304 s = format (s, "\n");
306 vec_reset_length (line_hex);
307 vec_reset_length (line_str);
311 while (i++ % line_len)
312 line_hex = format (line_hex, " ");
314 if (vec_len (line_hex))
315 s = format (s, "%U%05x: %v[%v]",
316 format_white_space, index ? indent : 0,
317 index, line_hex, line_str);
326 * fd.io coding-style-patch-verification: ON
329 * eval: (c-set-style "gnu")