FreeCalypso > hg > fc-pcsc-tools

annotate libcommon/hexread.c @ 55:4c570522de5d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fc-simtool iccid command: strip padding F digits from display
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Feb 2021 19:42:14 +0000
parents f7145c77b7fb
children 94d87d05f6c5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module contains the function for reading hex files,
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * to be used in the implementation of manual write commands.
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <sys/types.h>
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <ctype.h>
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <string.h>
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <strings.h>
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdio.h>
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <stdlib.h>
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 read_hex_data_file(filename, databuf)
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 char *filename;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 u_char *databuf;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 {
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 FILE *inf;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 unsigned count;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 int c, c2;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 inf = fopen(filename, "r");
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 if (!inf) {
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 perror(filename);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 return(-1);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 }
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 for (count = 0; ; count++) {
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 do
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 c = getc(inf);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 while (isspace(c));
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 if (c < 0)
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 break;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 if (!isxdigit(c)) {
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 inv_input: fprintf(stderr, "%s: invalid hex file input\n",
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 filename);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 fclose(inf);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 return(-1);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 }
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 c2 = getc(inf);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 if (!isxdigit(c2))
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 goto inv_input;
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 if (count >= 255) {
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 fprintf(stderr, "%s: hex input data is too long\n",
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 filename);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 fclose(inf);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 return(-1);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 }
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 databuf[count] = (decode_hex_digit(c) << 4) |
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 decode_hex_digit(c2);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 }
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 fclose(inf);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 if (!count) {
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 fprintf(stderr, "%s: no hex data input found\n", filename);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 return(-1);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 }
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 return(count);
f7145c77b7fb starting libcommon: factored out of fc-simtool
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 }