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 200
  11
  12 static void
  13 pq(FILE *f, const char *c, int len)
  14 {
  15         int i = 1;
  16         while (*c && i != len) {
  17                 if (*c == '"')
  18                         fprintf(f, "\\\"");
  19                 else {
  20                         fputc(*c, f);
  21                         if (*c == '?' && c[1] == '?') {
  22                                 /* Avoid trigraphs */
  23                                 fprintf(f, "\" \"");
  24                         }
  25                 }
  26                 c++;
  27                 i++;
  28         }
  29 }
  30
  31 int
  32 main(void)
  33 {
  34         char line[1024], *c, *bra, vend[8];
  35         int vendors = 0;
  36         int mode = 0;
  37         int lino = 0;
  38         int vendor_len = 0;
  39         FILE *devf, *clsf;
  40
  41         devf = fopen("devlist.h", "w");
  42         clsf = fopen("classlist.h", "w");
  43         if (!devf || !clsf) {
  44                 fprintf(stderr, "Cannot create output file!\n");
  45                 return 1;
  46         }
  47
  48         while (fgets(line, sizeof(line)-1, stdin)) {
  49                 lino++;
  50                 if ((c = strchr(line, '\n')))
  51                         *c = 0;
  52                 if (!line[0] || line[0] == '#')
  53                         continue;
  54                 if (line[1] == ' ') {
  55                         if (line[0] == 'C' && strlen(line) > 4 && line[4] == ' ') {
  56                                 vend[0] = line[2];
  57                                 vend[1] = line[3];
  58                                 vend[2] = 0;
  59                                 mode = 2;
  60                         } else goto err;
  61                 }
  62                 else if (line[0] == '\t') {
  63                         if (line[1] == '\t')
  64                                 continue;
  65                         switch (mode) {
  66                         case 1:
  67                                 if (strlen(line) > 5 && line[5] == ' ') {
  68                                         c = line + 5;
  69                                         while (*c == ' ')
  70                                                 *c++ = 0;
  71                                         if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
  72                                                 /* Too long, try cutting off long description */
  73                                                 bra = strchr(c, '[');
  74                                                 if (bra && bra > c && bra[-1] == ' ')
  75                                                         bra[-1] = 0;
  76                                                 if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
  77                                                         fprintf(stderr, "Line %d: Device name too long. Name truncated.\n", lino);
  78                                                         fprintf(stderr, "%s\n", c);
  79                                                         /*return 1;*/
  80                                                 }
  81                                         }
  82                                         fprintf(devf, "\tDEVICE(%s,%s,\"", vend, line+1);
  83                                         pq(devf, c, MAX_NAME_SIZE - vendor_len - 1);
  84                                         fputs("\")\n", devf);
  85                                 } else goto err;
  86                                 break;
  87                         case 2:
  88                                 if (strlen(line) > 3 && line[3] == ' ') {
  89                                         c = line + 3;
  90                                         while (*c == ' ')
  91                                                 *c++ = 0;
  92                                         fprintf(clsf, "CLASS(%s%s, \"%s\")\n", vend, line+1, c);
  93                                 } else goto err;
  94                                 break;
  95                         default:
  96                                 goto err;
  97                         }
  98                 } else if (strlen(line) > 4 && line[4] == ' ') {
  99                         c = line + 4;
 100                         while (*c == ' ')
 101                                 *c++ = 0;
 102                         if (vendors)
 103                                 fputs("ENDVENDOR()\n\n", devf);
 104                         vendors++;
 105                         strcpy(vend, line);
 106                         vendor_len = strlen(c);
 107                         if (vendor_len + 24 > MAX_NAME_SIZE) {
 108                                 fprintf(stderr, "Line %d: Vendor name too long\n", lino);
 109                                 return 1;
 110                         }
 111                         fprintf(devf, "VENDOR(%s,\"", vend);
 112                         pq(devf, c, 0);
 113                         fputs("\")\n", devf);
 114                         mode = 1;
 115                 } else {
 116                 err:
 117                         fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
 118                         return 1;
 119                 }
 120         }
 121         fputs("ENDVENDOR()\n\
 122 \n\
 123 #undef VENDOR\n\
 124 #undef DEVICE\n\
 125 #undef ENDVENDOR\n", devf);
 126         fputs("\n#undef CLASS\n", clsf);
 127
 128         fclose(devf);
 129         fclose(clsf);
 130
 131         return 0;
 132 }