FreeCalypso > hg > ueda-linux

annotate netdiff/flip2pin/mainproc.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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children
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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>
7ddfb9a67b0c netdiff: donl-flip2pin utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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2 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
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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
7ddfb9a67b0c netdiff: donl-flip2pin utility written, compiles
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10 #define MAX_FIELDS 2
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11
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12 static char *infname;
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Mychaela Falconia <falcon@freecalypso.org>
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13 static FILE *inf;
7ddfb9a67b0c netdiff: donl-flip2pin utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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14 static char linebuf[512];
7ddfb9a67b0c netdiff: donl-flip2pin utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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15 static int lineno;
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Mychaela Falconia <falcon@freecalypso.org>
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16 static char *fields[MAX_FIELDS];
7ddfb9a67b0c netdiff: donl-flip2pin utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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17 static unsigned nfields;
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18
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19 static
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20 get_line()
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21 {
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22 if (!fgets(linebuf, sizeof linebuf, inf))
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23 return(0);
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24 lineno++;
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25 if (!index(linebuf, '\n')) {
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26 fprintf(stderr, "%s line %d: missing newline\n",
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27 infname, lineno);
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28 exit(1);
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29 }
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30 return(1);
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31 }
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32
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33 static void
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34 parse_into_fields()
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35 {
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36 char *cp;
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37
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38 nfields = 0;
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39 for (cp = linebuf; ; ) {
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40 while (isspace(*cp))
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41 cp++;
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42 if (*cp == '\0' || *cp == '#')
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43 break;
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44 if (nfields >= MAX_FIELDS) {
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45 fprintf(stderr, "%s line %d: too many fields\n",
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Mychaela Falconia <falcon@freecalypso.org>
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46 infname, lineno);
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47 exit(1);
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48 }
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Mychaela Falconia <falcon@freecalypso.org>
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49 fields[nfields++] = cp;
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Mychaela Falconia <falcon@freecalypso.org>
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50 while (*cp && !isspace(*cp))
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51 cp++;
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52 if (*cp)
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53 *cp++ = '\0';
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54 }
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55 }
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56
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57 static void
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Mychaela Falconia <falcon@freecalypso.org>
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58 process_netpoint()
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Mychaela Falconia <falcon@freecalypso.org>
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59 {
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Mychaela Falconia <falcon@freecalypso.org>
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60 char *cp, *refdes, *pin;
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61 struct flip_list *rp;
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62
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63 cp = index(fields[1], '.');
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64 if (!cp) {
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65 fprintf(stderr, "%s line %d: expected '.' not found\n",
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66 infname, lineno);
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67 exit(1);
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68 }
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69 *cp++ = '\0';
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70 refdes = fields[1];
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71 pin = cp;
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Mychaela Falconia <falcon@freecalypso.org>
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72 for (rp = flip_list; rp; rp = rp->next) {
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Mychaela Falconia <falcon@freecalypso.org>
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73 if (!strcmp(refdes, rp->refdes))
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74 break;
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75 }
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76 if (rp) {
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77 if (!strcmp(pin, "1"))
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78 pin = "2";
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79 else if (!strcmp(pin, "2"))
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80 pin = "1";
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81 else {
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82 fprintf(stderr,
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83 "%s line %d: flip pin number is not 1 or 2\n",
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84 infname, lineno);
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85 exit(1);
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86 }
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87 }
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88 printf("%s\t%s.%s\n", fields[0], refdes, pin);
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89 }
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90
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91 main_process(input_filename)
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92 char *input_filename;
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93 {
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94 infname = input_filename;
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95 inf = fopen(infname, "r");
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96 if (!inf) {
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97 perror(infname);
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98 exit(1);
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99 }
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100 for (;;) {
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101 if (!get_line())
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102 break;
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103 parse_into_fields();
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104 if (!nfields)
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105 continue;
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106 if (nfields != 2) {
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107 fprintf(stderr, "%s line %d: expected 2 fields\n",
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108 infname, lineno);
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109 exit(1);
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110 }
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Mychaela Falconia <falcon@freecalypso.org>
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111 process_netpoint();
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Mychaela Falconia <falcon@freecalypso.org>
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112 }
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Mychaela Falconia <falcon@freecalypso.org>
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113 fclose(inf);
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114 return(0);
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115 }