comparison: src/protocols/zephyr/ZMakeAscii.c
src/protocols/zephyr/ZMakeAscii.c
- changeset 2086
- 007508451e2c
- child 8792
- b0645c9dc276
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| 2085:4659ae7bc69c | 2086:007508451e2c |
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| 1 /* This file is part of the Project Athena Zephyr Notification System. | |
| 2 * It contains source for the ZMakeAscii function. | |
| 3 * | |
| 4 * Created by: Robert French | |
| 5 * | |
| 6 * $Source$ | |
| 7 * $Author: warmenhoven $ | |
| 8 * | |
| 9 * Copyright (c) 1987 by the Massachusetts Institute of Technology. | |
| 10 * For copying and distribution information, see the file | |
| 11 * "mit-copyright.h". | |
| 12 */ | |
| 13 /* $Header$ */ | |
| 14 | |
| 15 #include <internal.h> | |
| 16 #include <assert.h> | |
| 17 | |
| 18 #ifndef lint | |
| 19 static const char rcsid_ZMakeAscii_c[] = "$Id: ZMakeAscii.c 2096 2001-07-31 01:00:39Z warmenhoven $"; | |
| 20 #endif | |
| 21 | |
| 22 static char *itox_chars = "0123456789ABCDEF"; | |
| 23 | |
| 24 Code_t ZMakeAscii(ptr, len, field, num) | |
| 25 register char *ptr; | |
| 26 int len; | |
| 27 unsigned char *field; | |
| 28 int num; | |
| 29 { | |
| 30 int i; | |
| 31 | |
| 32 for (i=0;i<num;i++) { | |
| 33 /* we need to add "0x" if we are between 4 byte pieces */ | |
| 34 if ((i & 3) == 0) { | |
| 35 if (len < (i?4:3)) | |
| 36 return ZERR_FIELDLEN; | |
| 37 /* except at the beginning, put a space in before the "0x" */ | |
| 38 if (i) { | |
| 39 *ptr++ = ' '; | |
| 40 len--; | |
| 41 } | |
| 42 *ptr++ = '0'; | |
| 43 *ptr++ = 'x'; | |
| 44 len -= 2; | |
| 45 } | |
| 46 if (len < 3) | |
| 47 return ZERR_FIELDLEN; | |
| 48 *ptr++ = itox_chars[(int) (field[i] >> 4)]; | |
| 49 *ptr++ = itox_chars[(int) (field[i] & 0xf)]; | |
| 50 len -= 2; | |
| 51 } | |
| 52 | |
| 53 *ptr = '\0'; | |
| 54 return ZERR_NONE; | |
| 55 } | |
| 56 | |
| 57 Code_t ZMakeAscii32(ptr, len, value) | |
| 58 register char *ptr; | |
| 59 int len; | |
| 60 unsigned long value; | |
| 61 { | |
| 62 if (len < 11) | |
| 63 return ZERR_FIELDLEN; | |
| 64 *ptr++ = '0'; | |
| 65 *ptr++ = 'x'; | |
| 66 *ptr++ = itox_chars[(value >> 28) & 0xf]; | |
| 67 *ptr++ = itox_chars[(value >> 24) & 0xf]; | |
| 68 *ptr++ = itox_chars[(value >> 20) & 0xf]; | |
| 69 *ptr++ = itox_chars[(value >> 16) & 0xf]; | |
| 70 *ptr++ = itox_chars[(value >> 12) & 0xf]; | |
| 71 *ptr++ = itox_chars[(value >> 8) & 0xf]; | |
| 72 *ptr++ = itox_chars[(value >> 4) & 0xf]; | |
| 73 *ptr++ = itox_chars[(value >> 0) & 0xf]; | |
| 74 *ptr = 0; | |
| 75 return ZERR_NONE; | |
| 76 } | |
| 77 | |
| 78 Code_t ZMakeAscii16(ptr, len, value) | |
| 79 register char *ptr; | |
| 80 int len; | |
| 81 unsigned int value; | |
| 82 { | |
| 83 if (len < 7) | |
| 84 return ZERR_FIELDLEN; | |
| 85 *ptr++ = '0'; | |
| 86 *ptr++ = 'x'; | |
| 87 *ptr++ = itox_chars[(value >> 12) & 0xf]; | |
| 88 *ptr++ = itox_chars[(value >> 8) & 0xf]; | |
| 89 *ptr++ = itox_chars[(value >> 4) & 0xf]; | |
| 90 *ptr++ = itox_chars[(value >> 0) & 0xf]; | |
| 91 *ptr = 0; | |
| 92 return ZERR_NONE; | |
| 93 } | |
| 94 |
