1 /*
2 * Copyright (c) 2012 by Farsight Security, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef MY_PRINT_STRING_H
18 #define MY_PRINT_STRING_H
19
20 #include <ctype.h>
21 #include <stdio.h>
22 #include <stdint.h>
23
24 static inline void
print_string(const void * data,size_t len,FILE * out)25 print_string(const void *data, size_t len, FILE *out)
26 {
27 uint8_t *str = (uint8_t *) data;
28 fputc('"', out);
29 while (len-- != 0) {
30 unsigned c = *(str++);
31 if (isprint(c)) {
32 if (c == '"')
33 fputs("\\\"", out);
34 else
35 fputc(c, out);
36 } else {
37 fprintf(out, "\\x%02x", c);
38 }
39 }
40 fputc('"', out);
41 }
42
43 #endif /* MY_PRINT_STRING_H */
44