ext3: Avoid starting a transaction in writepage when not necessary
[linux-2.6] / drivers / zorro / gen-devlist.c
1 /*
2  *      Generate devlist.h from the Zorro ID file.
3  *
4  *      (c) 2000 Geert Uytterhoeven <geert@linux-m68k.org>
5  *
6  *      Based on the PCI version:
7  *
8  *      (c) 1999--2000 Martin Mares <mj@ucw.cz>
9  */
10
11 #include <stdio.h>
12 #include <string.h>
13
14 #define MAX_NAME_SIZE 63
15
16 static void
17 pq(FILE *f, const char *c)
18 {
19         while (*c) {
20                 if (*c == '"')
21                         fprintf(f, "\\\"");
22                 else
23                         fputc(*c, f);
24                 c++;
25         }
26 }
27
28 int
29 main(void)
30 {
31         char line[1024], *c, *bra, manuf[8];
32         int manufs = 0;
33         int mode = 0;
34         int lino = 0;
35         int manuf_len = 0;
36         FILE *devf;
37
38         devf = fopen("devlist.h", "w");
39         if (!devf) {
40                 fprintf(stderr, "Cannot create output file!\n");
41                 return 1;
42         }
43
44         while (fgets(line, sizeof(line)-1, stdin)) {
45                 lino++;
46                 if ((c = strchr(line, '\n')))
47                         *c = 0;
48                 if (!line[0] || line[0] == '#')
49                         continue;
50                 if (line[0] == '\t') {
51                         switch (mode) {
52                         case 1:
53                                 if (strlen(line) > 5 && line[5] == ' ') {
54                                         c = line + 5;
55                                         while (*c == ' ')
56                                                 *c++ = 0;
57                                         if (manuf_len + strlen(c) + 1 > MAX_NAME_SIZE) {
58                                                 /* Too long, try cutting off long description */
59                                                 bra = strchr(c, '[');
60                                                 if (bra && bra > c && bra[-1] == ' ')
61                                                         bra[-1] = 0;
62                                                 if (manuf_len + strlen(c) + 1 > MAX_NAME_SIZE) {
63                                                         fprintf(stderr, "Line %d: Product name too long\n", lino);
64                                                         return 1;
65                                                 }
66                                         }
67                                         fprintf(devf, "\tPRODUCT(%s,%s,\"", manuf, line+1);
68                                         pq(devf, c);
69                                         fputs("\")\n", devf);
70                                 } else goto err;
71                                 break;
72                         default:
73                                 goto err;
74                         }
75                 } else if (strlen(line) > 4 && line[4] == ' ') {
76                         c = line + 4;
77                         while (*c == ' ')
78                                 *c++ = 0;
79                         if (manufs)
80                                 fputs("ENDMANUF()\n\n", devf);
81                         manufs++;
82                         strcpy(manuf, line);
83                         manuf_len = strlen(c);
84                         if (manuf_len + 24 > MAX_NAME_SIZE) {
85                                 fprintf(stderr, "Line %d: manufacturer name too long\n", lino);
86                                 return 1;
87                         }
88                         fprintf(devf, "MANUF(%s,\"", manuf);
89                         pq(devf, c);
90                         fputs("\")\n", devf);
91                         mode = 1;
92                 } else {
93                 err:
94                         fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
95                         return 1;
96                 }
97         }
98         fputs("ENDMANUF()\n\
99 \n\
100 #undef MANUF\n\
101 #undef PRODUCT\n\
102 #undef ENDMANUF\n", devf);
103
104         fclose(devf);
105
106         return 0;
107 }