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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 | #include <stdlib.h> | |
34 | #include <stdio.h> | |
35 | #include <errno.h> | |
36 | #include <stdint.h> | |
37 | #include <rte_hexdump.h> | |
38 | #include <rte_string_fns.h> | |
39 | ||
40 | #define LINE_LEN 128 | |
41 | ||
42 | /**************************************************************************//** | |
43 | * | |
44 | * rte_hexdump - Dump out memory in a special hex dump format. | |
45 | * | |
46 | * DESCRIPTION | |
47 | * Dump out the message buffer in a special hex dump output format with characters | |
48 | * printed for each line of 16 hex values. | |
49 | * | |
50 | * RETURNS: N/A | |
51 | * | |
52 | * SEE ALSO: | |
53 | */ | |
54 | ||
55 | void | |
56 | rte_hexdump(FILE *f, const char * title, const void * buf, unsigned int len) | |
57 | { | |
58 | unsigned int i, out, ofs; | |
59 | const unsigned char *data = buf; | |
60 | char line[LINE_LEN]; /* space needed 8+16*3+3+16 == 75 */ | |
61 | ||
62 | fprintf(f, "%s at [%p], len=%u\n", (title)? title : " Dump data", data, len); | |
63 | ofs = 0; | |
64 | while (ofs < len) { | |
65 | /* format the line in the buffer, then use printf to output to screen */ | |
66 | out = snprintf(line, LINE_LEN, "%08X:", ofs); | |
67 | for (i = 0; ((ofs + i) < len) && (i < 16); i++) | |
68 | out += snprintf(line+out, LINE_LEN - out, " %02X", (data[ofs+i] & 0xff)); | |
69 | for(; i <= 16; i++) | |
70 | out += snprintf(line+out, LINE_LEN - out, " | "); | |
71 | for(i = 0; (ofs < len) && (i < 16); i++, ofs++) { | |
72 | unsigned char c = data[ofs]; | |
73 | if ( (c < ' ') || (c > '~')) | |
74 | c = '.'; | |
75 | out += snprintf(line+out, LINE_LEN - out, "%c", c); | |
76 | } | |
77 | fprintf(f, "%s\n", line); | |
78 | } | |
79 | fflush(f); | |
80 | } | |
81 | ||
82 | /**************************************************************************//** | |
83 | * | |
84 | * rte_memdump - Dump out memory in hex bytes with colons. | |
85 | * | |
86 | * DESCRIPTION | |
87 | * Dump out the message buffer in hex bytes with colons xx:xx:xx:xx:... | |
88 | * | |
89 | * RETURNS: N/A | |
90 | * | |
91 | * SEE ALSO: | |
92 | */ | |
93 | ||
94 | void | |
95 | rte_memdump(FILE *f, const char * title, const void * buf, unsigned int len) | |
96 | { | |
97 | unsigned int i, out; | |
98 | const unsigned char *data = buf; | |
99 | char line[LINE_LEN]; | |
100 | ||
101 | if ( title ) | |
102 | fprintf(f, "%s: ", title); | |
103 | ||
104 | line[0] = '\0'; | |
105 | for (i = 0, out = 0; i < len; i++) { | |
106 | // Make sure we do not overrun the line buffer length. | |
107 | if ( out >= (LINE_LEN - 4) ) { | |
108 | fprintf(f, "%s", line); | |
109 | out = 0; | |
110 | line[out] = '\0'; | |
111 | } | |
112 | out += snprintf(line+out, LINE_LEN - out, "%02x%s", | |
113 | (data[i] & 0xff), ((i+1) < len)? ":" : ""); | |
114 | } | |
115 | if ( out > 0 ) | |
116 | fprintf(f, "%s", line); | |
117 | fprintf(f, "\n"); | |
118 | ||
119 | fflush(f); | |
120 | } |