86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int
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main(int argc, char **argv)
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{
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char *curstr;
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char *nextstr;
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unsigned int firstval;
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unsigned int secondval;
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unsigned int val;
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unsigned char buf[5];
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int count;
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if (argc != 2) {
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fprintf(stderr, "wrong number of args\n");
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exit(-1);
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}
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curstr = argv[1];
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nextstr = strchr(curstr, '.');
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if (nextstr == NULL) {
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fprintf(stderr, "only one component\n");
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exit(-1);
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}
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*nextstr = '\0';
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firstval = atoi(curstr);
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curstr = nextstr + 1;
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nextstr = strchr(curstr, '.');
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if (nextstr) {
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*nextstr = '\0';
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}
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secondval = atoi(curstr);
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if (firstval > 2) {
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fprintf(stderr, "first component out of range\n");
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exit(-1);
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}
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if (secondval > 39) {
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fprintf(stderr, "second component out of range\n");
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exit(-1);
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}
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printf("0x%x, ", (firstval * 40) + secondval);
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while (nextstr) {
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curstr = nextstr + 1;
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nextstr = strchr(curstr, '.');
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if (nextstr) {
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*nextstr = '\0';
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}
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memset(buf, 0, sizeof(buf));
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val = atoi(curstr);
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count = 0;
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while (val) {
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buf[count] = (val & 0x7f);
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val = val >> 7;
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count++;
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}
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while (count--) {
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if (count) {
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printf("0x%x, ", buf[count] | 0x80);
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} else {
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printf("0x%x, ", buf[count]);
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}
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}
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}
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printf("\n");
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return 0;
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}
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