FreeCalypso > hg > fc-sim-tools

annotate libutil/hexread.c @ 8:34bbb0585cab

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libutil: import from previous fc-pcsc-tools version
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Mar 2021 05:42:37 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module contains the function for reading hex files,
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * to be used in the implementation of manual write commands.
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/types.h>
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <ctype.h>
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdio.h>
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdlib.h>
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 extern FILE *open_script_input_file();
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 read_hex_data_file(filename, databuf, maxlen)
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 char *filename;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 u_char *databuf;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 unsigned maxlen;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 FILE *inf;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 unsigned count;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 int c, c2;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 inf = open_script_input_file(filename);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 if (!inf) {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 perror(filename);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 return(-1);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 }
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 for (count = 0; ; ) {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 do
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 c = getc(inf);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 while (isspace(c));
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 if (c < 0)
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 break;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 if (c == '#') {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 do
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 c = getc(inf);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 while (c >= 0 && c != '\n');
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 continue;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 }
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 if (!isxdigit(c)) {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 inv_input: fprintf(stderr, "%s: invalid hex file input\n",
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 filename);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 fclose(inf);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 return(-1);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 }
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 c2 = getc(inf);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 if (!isxdigit(c2))
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 goto inv_input;
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 if (count >= maxlen) {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 fprintf(stderr, "%s: hex input data is too long\n",
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 filename);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 fclose(inf);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 return(-1);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 }
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 databuf[count++] = (decode_hex_digit(c) << 4) |
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 decode_hex_digit(c2);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 }
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 fclose(inf);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 if (!count) {
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 fprintf(stderr, "%s: no hex data input found\n", filename);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 return(-1);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 }
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 return(count);
34bbb0585cab libutil: import from previous fc-pcsc-tools version
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 }