FreeCalypso > hg > ueda-linux

annotate ueda/libueda/filesearch.c @ 142:7bdce91da1a5

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unet-excise utility added
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 19 Sep 2020 22:50:24 +0000
parents c91e7a30fab3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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1 /*
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2 * These routines implement searching for symbol and pinout files.
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3 */
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4
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5 #include <sys/param.h>
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6 #include <ctype.h>
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7 #include <stdio.h>
2
c91e7a30fab3 ueda/libueda Linuxified
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8 #include <stdlib.h>
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9 #include <string.h>
0
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10 #include <strings.h>
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11
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12 extern char *copystr();
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13
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14 #define MAXDIRS 15
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15 static char *dirlist[MAXDIRS+1];
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16 static int ndirs;
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17
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18 /* This var is global so that interested parties can grab and copy it */
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19 char sought_libfile_fullpath[MAXPATHLEN];
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20
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21 add_symfile_dir(dir)
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22 char *dir;
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23 {
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24 if (ndirs >= MAXDIRS) {
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25 fprintf(stderr,
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26 "Too many symbol file search directories specified\n");
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27 exit(1);
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28 }
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29 dirlist[ndirs++] = dir;
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30 }
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31
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32 set_default_sympath()
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33 {
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34 register FILE *f;
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35 char line[MAXPATHLEN];
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36 register char *cp, *np;
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37 int lineno;
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38
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39 if (ndirs)
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40 return;
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41 f = fopen("sympath", "r");
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42 if (!f)
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43 return;
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44 for (lineno = 1; fgets(line, sizeof line, f); lineno++) {
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45 for (cp = line; isspace(*cp); cp++)
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46 ;
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47 if (*cp == '\0' || *cp == '#')
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48 continue;
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49 if (!isgraph(*cp)) {
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50 inv: fprintf(stderr,
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51 "sympath: line %d: invalid syntax (one directory per line expected)\n",
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52 lineno);
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53 exit(1);
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54 }
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55 for (np = cp; isgraph(*cp); cp++)
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56 ;
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57 if (isspace(*cp))
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58 *cp++ = '\0';
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59 while (isspace(*cp))
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60 cp++;
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61 if (*cp)
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62 goto inv;
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63 if (ndirs >= MAXDIRS) {
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64 fprintf(stderr,
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65 "sympath: too many symbol file search directories specified\n");
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66 exit(1);
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67 }
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68 dirlist[ndirs++] = copystr(np);
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69 }
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70 fclose(f);
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71 }
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72
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73 FILE *
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74 find_symlib_file(basename, suffix)
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75 char *basename, *suffix;
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76 {
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77 register int i;
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78 register FILE *f;
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79
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80 for (i = 0; dirlist[i]; i++) {
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81 sprintf(sought_libfile_fullpath, "%s/%s", dirlist[i], basename);
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82 if (suffix)
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83 strcat(sought_libfile_fullpath, suffix);
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84 f = fopen(sought_libfile_fullpath, "r");
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85 if (f)
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86 return(f);
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87 }
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88 return(NULL);
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89 }