FreeCalypso > hg > fc-tourmaline

annotate helpers/cfg-hdr-gen.c @ 228:93af50ca61f9

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rvm_priorities.h, rvm_ext_priorities.h: readability fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Apr 2021 22:31:31 +0000
parents 1fb47f5b597a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * This helper program generates the set of *.cfg header files, based on a
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * template file and environment variables for the non-constant settings.
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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4 */
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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5
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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6 #include <stdio.h>
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 #include <stdlib.h>
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 #include <unistd.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include <ctype.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 #include <strings.h>
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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12
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Mychaela Falconia <falcon@freecalypso.org>
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13 char *infname;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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14 FILE *inf, *outf;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 char include_guard_symbol[32];
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 char linebuf[256];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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17 int lineno;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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18
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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19 make_include_guard_symbol(fname)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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20 char *fname;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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21 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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22 char *sp, *dp;
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Mychaela Falconia <falcon@freecalypso.org>
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23 int c;
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Mychaela Falconia <falcon@freecalypso.org>
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24
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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25 sp = fname;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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26 dp = include_guard_symbol;
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Mychaela Falconia <falcon@freecalypso.org>
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27 *dp++ = '_';
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Mychaela Falconia <falcon@freecalypso.org>
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28 *dp++ = '_';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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29 while (c = *sp++) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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30 if (islower(c))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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31 c = toupper(c);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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32 else if (c == '.')
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Mychaela Falconia <falcon@freecalypso.org>
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33 c = '_';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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34 *dp++ = c;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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35 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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36 *dp++ = '_';
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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37 *dp++ = '_';
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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38 *dp = '\0';
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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39 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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40
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Mychaela Falconia <falcon@freecalypso.org>
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41 close_output()
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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42 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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43 if (outf) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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44 fprintf(outf, "#endif /* %s */\n", include_guard_symbol);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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45 fclose(outf);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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46 outf = 0;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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47 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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48 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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49
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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50 bracket_line()
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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51 {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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52 char *cp;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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53
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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54 close_output();
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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55 cp = index(linebuf+1, ']');
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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56 if (!cp) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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57 fprintf(stderr, "%s line %d: unterminated bracket line\n",
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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58 infname, lineno);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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59 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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60 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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61 *cp = '\0';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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62 outf = fopen(linebuf+1, "w");
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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63 if (!outf) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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64 perror(linebuf+1);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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65 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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66 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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67 make_include_guard_symbol(linebuf+1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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68 fprintf(outf, "#ifndef %s\n", include_guard_symbol);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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69 fprintf(outf, "#define %s\n", include_guard_symbol);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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70 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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71
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Mychaela Falconia <falcon@freecalypso.org>
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72 process_line()
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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73 {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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74 char *cp, *symbol, *value;
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Mychaela Falconia <falcon@freecalypso.org>
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75
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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76 if (linebuf[0] == '[')
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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77 return bracket_line();
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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78 for (cp = linebuf; isspace(*cp); cp++)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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79 ;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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80 if (*cp == '\0' || *cp == '#')
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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81 return;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 for (symbol = cp; *cp && !isspace(*cp); cp++)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 ;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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84 if (!*cp) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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85 inv: fprintf(stderr, "%s line %d: expected two fields\n",
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 infname, lineno);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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87 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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88 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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89 *cp++ = '\0';
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 while (isspace(*cp))
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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91 cp++;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 if (*cp == '\0' || *cp == '#')
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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93 goto inv;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 for (value = cp; *cp && !isspace(*cp); cp++)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 ;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 if (*cp)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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97 *cp++ = '\0';
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 while (isspace(*cp))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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99 cp++;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 if (*cp != '\0' && *cp != '#')
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 goto inv;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 if (!strcmp(value, "var")) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 value = getenv(symbol);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 if (!value) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 fprintf(stderr,
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 "%s line %d: no environment variable named %s\n",
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 infname, lineno, symbol);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 if (!outf) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 fprintf(stderr, "%s line %d: no open output file\n",
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 infname, lineno);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 fprintf(outf, "#define %s %s\n", symbol, value);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 main(argc, argv)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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120 char **argv;
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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121 {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 if (argc != 3) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 fprintf(stderr, "usage: %s template-file output-dir\n",
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 argv[0]);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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125 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 infname = argv[1];
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 inf = fopen(infname, "r");
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 if (!inf) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 perror(infname);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 if (chdir(argv[2]) < 0) {
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 perror(argv[2]);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 exit(1);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++)
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 process_line();
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 close_output();
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 exit(0);
1fb47f5b597a helpers: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 }