drivers/pci/gen-devlist.c

   1 /*
   2  *      Generate devlist.h and classlist.h from the PCI ID file.
   3  *
   4  *      (c) 1999--2000 Martin Mares <mj@suse.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                 c++;
  21         }
  22 }
  23
  24 int
  25 main(void)
  26 {
  27         char line[1024], *c, *bra, vend[8];
  28         int vendors = 0;
  29         int mode = 0;
  30         int lino = 0;
  31         int vendor_len = 0;
  32         FILE *devf, *clsf;
  33
  34         devf = fopen("devlist.h", "w");
  35         clsf = fopen("classlist.h", "w");
  36         if (!devf || !clsf) {
  37                 fprintf(stderr, "Cannot create output file!\n");
  38                 return 1;
  39         }
  40
  41         while (fgets(line, sizeof(line)-1, stdin)) {
  42                 lino++;
  43                 if ((c = strchr(line, '\n')))
  44                         *c = 0;
  45                 if (!line[0] || line[0] == '#')
  46                         continue;
  47                 if (line[1] == ' ') {
  48                         if (line[0] == 'C' && strlen(line) > 4 && line[4] == ' ') {
  49                                 vend[0] = line[2];
  50                                 vend[1] = line[3];
  51                                 vend[2] = 0;
  52                                 mode = 2;
  53                         } else goto err;
  54                 }
  55                 else if (line[0] == '\t') {
  56                         if (line[1] == '\t')
  57                                 continue;
  58                         switch (mode) {
  59                         case 1:
  60                                 if (strlen(line) > 5 && line[5] == ' ') {
  61                                         c = line + 5;
  62                                         while (*c == ' ')
  63                                                 *c++ = 0;
  64                                         if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
  65                                                 /* Too long, try cutting off long description */
  66                                                 bra = strchr(c, '[');
  67                                                 if (bra && bra > c && bra[-1] == ' ')
  68                                                         bra[-1] = 0;
  69                                                 if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
  70                                                         fprintf(stderr, "Line %d: Device name too long\n", lino);
  71                                                         return 1;
  72                                                 }
  73                                         }
  74                                         fprintf(devf, "\tDEVICE(%s,%s,\"", vend, line+1);
  75                                         pq(devf, c);
  76                                         fputs("\")\n", devf);
  77                                 } else goto err;
  78                                 break;
  79                         case 2:
  80                                 if (strlen(line) > 3 && line[3] == ' ') {
  81                                         c = line + 3;
  82                                         while (*c == ' ')
  83                                                 *c++ = 0;
  84                                         fprintf(clsf, "CLASS(%s%s, \"%s\")\n", vend, line+1, c);
  85                                 } else goto err;
  86                                 break;
  87                         default:
  88                                 goto err;
  89                         }
  90                 } else if (strlen(line) > 4 && line[4] == ' ') {
  91                         c = line + 4;
  92                         while (*c == ' ')
  93                                 *c++ = 0;
  94                         if (vendors)
  95                                 fputs("ENDVENDOR()\n\n", devf);
  96                         vendors++;
  97                         strcpy(vend, line);
  98                         vendor_len = strlen(c);
  99                         if (vendor_len + 24 > MAX_NAME_SIZE) {
 100                                 fprintf(stderr, "Line %d: Vendor name too long\n", lino);
 101                                 return 1;
 102                         }
 103                         fprintf(devf, "VENDOR(%s,\"", vend);
 104                         pq(devf, c);
 105                         fputs("\")\n", devf);
 106                         mode = 1;
 107                 } else {
 108                 err:
 109                         fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
 110                         return 1;
 111                 }
 112         }
 113         fputs("ENDVENDOR()\n\
 114 \n\
 115 #undef VENDOR\n\
 116 #undef DEVICE\n\
 117 #undef ENDVENDOR\n", devf);
 118         fputs("\n#undef CLASS\n", clsf);
 119
 120         fclose(devf);
 121         fclose(clsf);
 122
 123         return 0;
 124 }