FreeCalypso > hg > ueda-linux

annotate pads2gpcb/cmdline.c @ 91:d77e95a5cc5c

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M4 lib: added vertically mirrored 2-row headers
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 11 Nov 2018 01:41:30 +0000
parents 959df5ddf7a2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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75
959df5ddf7a2 pads2gpcb: command line dimension input implemented
Mychaela Falconia <falcon@ivan.Harhan.ORG>
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <ctype.h>
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4 #include <string.h>
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5 #include <strings.h>
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6
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7 long
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8 cmdline_dim_arg(srcstr)
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9 char *srcstr;
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10 {
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11 long accum;
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12 int sign = 1, mult;
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13 char *cp;
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14 int maxdec, ndec;
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15
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16 cp = index(srcstr, 'm');
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17 if (!cp) {
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18 inv: fprintf(stderr, "invalid command line dimension input \"%s\"\n",
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19 srcstr);
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20 exit(1);
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21 }
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22 if (!strcmp(cp, "mm")) {
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23 mult = 1;
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24 maxdec = 6;
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25 } else if (!strcmp(cp, "mil")) {
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26 mult = 254;
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27 maxdec = 2;
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28 } else
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29 goto inv;
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30
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31 cp = srcstr;
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32 if (*cp == '-') {
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33 cp++;
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34 sign = -1;
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35 }
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36 if (!isdigit(*cp))
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37 goto inv;
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38 for (accum = 0; isdigit(*cp); ) {
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39 accum *= 10;
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40 accum += *cp++ - '0';
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41 }
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42 if (*cp == '.') {
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43 cp++;
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44 for (ndec = 0; isdigit(*cp); ndec++) {
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45 if (ndec >= maxdec) {
959df5ddf7a2 pads2gpcb: command line dimension input implemented
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46 fprintf(stderr,
959df5ddf7a2 pads2gpcb: command line dimension input implemented
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47 "command line dimension input \"%s\": too many digits after '.'\n",
959df5ddf7a2 pads2gpcb: command line dimension input implemented
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48 srcstr);
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49 exit(1);
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50 }
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51 accum *= 10;
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52 accum += *cp++ - '0';
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53 }
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54 } else
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55 ndec = 0;
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56 if (*cp != 'm')
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57 goto inv;
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58 while (ndec < maxdec) {
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59 accum *= 10;
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60 ndec++;
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61 }
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62 return(accum * mult * sign);
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63 }