FreeCalypso > hg > ueda-linux

annotate netdiff/flip2pin/readlist.c @ 146:7ddfb9a67b0c

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netdiff: donl-flip2pin utility written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Nov 2020 03:32:48 +0000
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146
7ddfb9a67b0c netdiff: donl-flip2pin utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 #include <ctype.h>
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2 #include <string.h>
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3 #include <strings.h>
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include "struct.h"
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7
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8 extern struct flip_list *flip_list;
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9
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10 static char *infname;
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11 static FILE *inf;
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12 static char linebuf[256];
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13 static int lineno;
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14
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15 static void
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16 refdes_entry(entry)
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17 char *entry;
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18 {
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19 struct flip_list *rp, **rpp;
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20 char *dp;
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21
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22 for (rpp = &flip_list; rp = *rpp; rpp = &rp->next) {
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23 if (!strcmp(rp->refdes, entry)) {
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24 fprintf(stderr, "%s line %d: refdes %s given twice\n",
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25 infname, lineno, entry);
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26 exit(1);
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27 }
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28 }
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29 rp = malloc(sizeof(struct flip_list) + strlen(entry) + 1);
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30 dp = (char *)(rp + 1);
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31 rp->refdes = dp;
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32 strcpy(dp, entry);
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33 rp->next = 0;
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34 *rpp = rp;
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35 }
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36
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37 static void
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38 process_line()
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39 {
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40 char *cp, *np;
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41
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42 for (cp = linebuf; ; ) {
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43 while (isspace(*cp))
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44 cp++;
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45 if (*cp == '\0' || *cp == '#')
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Mychaela Falconia <falcon@freecalypso.org>
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46 break;
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47 np = cp;
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48 while (*cp && !isspace(*cp))
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49 cp++;
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50 if (*cp)
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51 *cp++ = '\0';
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52 refdes_entry(np);
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53 }
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54 }
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55
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Mychaela Falconia <falcon@freecalypso.org>
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56 read_flip_list(input_filename)
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57 char *input_filename;
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58 {
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59 infname = input_filename;
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60 inf = fopen(infname, "r");
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61 if (!inf) {
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62 perror(infname);
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63 exit(1);
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64 }
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65 while (fgets(linebuf, sizeof linebuf, inf)) {
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66 lineno++;
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67 process_line();
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68 }
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69 fclose(inf);
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70 return(0);
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71 }