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annotate ueda/unet-bind/starpoints.c @ 139:bf188727e606

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donl-rename-parts reader: no tEDAx-style escapes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 07 Sep 2020 04:25:11 +0000
parents ffab0a4424ad
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16
65a515c20db8 unet-bind: starpoint entry implemented
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <strings.h>
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5 #include "struct.h"
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6
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7 extern struct instance *enter_instance();
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8
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9 extern char *starpoints_file;
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10
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11 struct outcomp *starpoint_list_head;
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12 static struct outcomp **global_tailp = &starpoint_list_head;
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13
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14 process_starpoints_file()
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15 {
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16 FILE *stream;
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17 char linebuf[256];
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18 int lineno;
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19 register char *cp;
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20 char *instname, *numstr;
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21 int npins;
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22 register struct instance *inst;
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23 register struct outcomp *oc;
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24
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25 stream = fopen(starpoints_file, "r");
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26 if (!stream) {
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27 perror(starpoints_file);
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28 exit(1);
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29 }
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30 for (lineno = 1; fgets(linebuf, sizeof linebuf, stream); lineno++) {
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31 cp = index(linebuf, '\n');
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32 if (!cp) {
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33 fprintf(stderr,
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34 "error: %s line %d is too long or unterminated\n",
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35 starpoints_file, lineno);
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36 exit(1);
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37 }
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38 *cp = '\0';
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39 for (cp = linebuf; isspace(*cp); cp++)
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40 ;
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41 if (*cp == '\0' || *cp == '#')
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42 continue;
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43 instname = cp;
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44 while (*cp && !isspace(*cp))
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45 cp++;
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46 if (*cp)
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47 *cp++ = '\0';
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48 while (isspace(*cp))
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49 cp++;
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50 if (*cp == '\0' || *cp == '#') {
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51 npins_error: fprintf(stderr,
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52 "error in %s line %d: expected number of pins after the instance name\n",
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53 starpoints_file, lineno);
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54 exit(1);
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55 }
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56 numstr = cp;
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57 while (*cp && !isspace(*cp))
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58 cp++;
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59 if (*cp)
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60 *cp++ = '\0';
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61 if (!string_is_valid_decnum(numstr))
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62 goto npins_error;
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63 npins = atoi(numstr);
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64 if (npins < 2) {
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65 fprintf(stderr,
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66 "error in %s line %d: a starpoint must have 2 or more pins\n",
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67 starpoints_file, lineno);
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68 exit(1);
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69 }
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70 inst = enter_instance(instname);
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71 oc = (struct outcomp *)
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72 malloc(sizeof(struct outcomp) +
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73 sizeof(struct pinconn *) * npins);
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74 if (!oc) {
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75 perror("malloc");
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76 exit(1);
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77 }
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78 bzero(oc, sizeof(struct outcomp) +
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79 sizeof(struct pinconn *) * npins);
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80 oc->name = inst->name;
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81 oc->npins = npins;
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82 oc->conn_array = (struct pinconn **)(oc + 1);
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83 inst->outcomp = oc;
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84 *global_tailp = oc;
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85 global_tailp = &oc->next;
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86 }
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87 fclose(stream);
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88 }