Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | } |