drivers/pci/gen-devlist.c

   1 /*
   2  *      Generate devlist.h and classlist.h from the PCI ID file.
   3  *
   4  *      (c) 1999--2002 Martin Mares <mj@ucw.cz>
   5  */
   6
   7 #include <stdio.h>
   8 #include <string.h>
   9
  10 #define MAX_NAME_SIZE 79
  11
  12 static void
  13 pq(FILE *f, const char *c)
  14 {
  15         while (*c) {
  16                 if (*c == '"')
  17                         fprintf(f, "\\\"");
  18                 else {
  19                         fputc(*c, f);
  20                         if (*c == '?' && c[1] == '?') {
  21                                 /* Avoid trigraphs */
  22                                 fprintf(f, "\" \"");
  23                         }
  24                 }
  25                 c++;
  26         }
  27 }
  28
  29 int
  30 main(void)
  31 {
  32         char line[1024], *c, *bra, vend[8];
  33         int vendors = 0;
  34         int mode = 0;
  35         int lino = 0;
  36         int vendor_len = 0;
  37         FILE *devf, *clsf;
  38
  39         devf = fopen("devlist.h", "w");
  40         clsf = fopen("classlist.h", "w");
  41         if (!devf || !clsf) {
  42                 fprintf(stderr, "Cannot create output file!\n");
  43                 return 1;
  44         }
  45
  46         while (fgets(line, sizeof(line)-1, stdin)) {
  47                 lino++;
  48                 if ((c = strchr(line, '\n')))
  49                         *c = 0;
  50                 if (!line[0] || line[0] == '#')
  51                         continue;
  52                 if (line[1] == ' ') {
  53                         if (line[0] == 'C' && strlen(line) > 4 && line[4] == ' ') {
  54                                 vend[0] = line[2];
  55                                 vend[1] = line[3];
  56                                 vend[2] = 0;
  57                                 mode = 2;
  58                         } else goto err;
  59                 }
  60                 else if (line[0] == '\t') {
  61                         if (line[1] == '\t')
  62                                 continue;
  63                         switch (mode) {
  64                         case 1:
  65                                 if (strlen(line) > 5 && line[5] == ' ') {
  66                                         c = line + 5;
  67                                         while (*c == ' ')
  68                                                 *c++ = 0;
  69                                         if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
  70                                                 /* Too long, try cutting off long description */
  71                                                 bra = strchr(c, '[');
  72                                                 if (bra && bra > c && bra[-1] == ' ')
  73                                                         bra[-1] = 0;
  74                                                 if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
  75                                                         fprintf(stderr, "Line %d: Device name too long\n", lino);
  76                                                         fprintf(stderr, "%s\n", c);
  77                                                         return 1;
  78                                                 }
  79                                         }
  80                                         fprintf(devf, "\tDEVICE(%s,%s,\"", vend, line+1);
  81                                         pq(devf, c);
  82                                         fputs("\")\n", devf);
  83                                 } else goto err;
  84                                 break;
  85                         case 2:
  86                                 if (strlen(line) > 3 && line[3] == ' ') {
  87                                         c = line + 3;
  88                                         while (*c == ' ')
  89                                                 *c++ = 0;
  90                                         fprintf(clsf, "CLASS(%s%s, \"%s\")\n", vend, line+1, c);
  91                                 } else goto err;
  92                                 break;
  93                         default:
  94                                 goto err;
  95                         }
  96                 } else if (strlen(line) > 4 && line[4] == ' ') {
  97                         c = line + 4;
  98                         while (*c == ' ')
  99                                 *c++ = 0;
 100                         if (vendors)
 101                                 fputs("ENDVENDOR()\n\n", devf);
 102                         vendors++;
 103                         strcpy(vend, line);
 104                         vendor_len = strlen(c);
 105                         if (vendor_len + 24 > MAX_NAME_SIZE) {
 106                                 fprintf(stderr, "Line %d: Vendor name too long\n", lino);
 107                                 return 1;
 108                         }
 109                         fprintf(devf, "VENDOR(%s,\"", vend);
 110                         pq(devf, c);
 111                         fputs("\")\n", devf);
 112                         mode = 1;
 113                 } else {
 114                 err:
 115                         fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
 116                         return 1;
 117                 }
 118         }
 119         fputs("ENDVENDOR()\n\
 120 \n\
 121 #undef VENDOR\n\
 122 #undef DEVICE\n\
 123 #undef ENDVENDOR\n", devf);
 124         fputs("\n#undef CLASS\n", clsf);
 125
 126         fclose(devf);
 127         fclose(clsf);
 128
 129         return 0;
 130 }