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994
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1 /* egets.c */
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2 #include <stdio.h>
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3 #include "tools.h"
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4 #include "ed.h"
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5
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6 int eightbit = 1; /* save eight bit */
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7 int nonascii, nullchar, truncated;
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8 int egets(str, size, stream)
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9 char *str;
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10 int size;
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11 FILE *stream;
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12 {
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13 int c, count;
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14 char *cp;
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15
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16 for (count = 0, cp = str; size > count;) {
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17 c = getc(stream);
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18 if (c == EOF) {
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19 *cp++ = '\n';
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20 *cp = EOS;
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21 if (count) {
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22 printf("[Incomplete last line]\n");
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23 }
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24 return(count);
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25 }
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26 if (c == NL) {
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27 *cp++ = c;
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28 *cp = EOS;
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29 return(++count);
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30 }
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31 if (c > 127) {
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32 if (!eightbit) /* if not saving eighth bit */
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33 c = c & 127; /* strip eigth bit */
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34 nonascii++; /* count it */
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35 }
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36 if (c) {
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37 *cp++ = c; /* not null, keep it */
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38 count++;
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39 } else
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40 nullchar++; /* count nulls */
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41 }
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42 str[count - 1] = EOS;
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43 if (c != NL) {
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44 printf("truncating line\n");
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45 truncated++;
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46 while ((c = getc(stream)) != EOF)
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47 if (c == NL) break;
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48 }
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49 return(count);
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50 }
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51
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