WSL2-Linux-Kernel/drivers/pci/gen-devlist.c

133 строки
2.8 KiB
C

/*
* Generate devlist.h and classlist.h from the PCI ID file.
*
* (c) 1999--2002 Martin Mares <mj@ucw.cz>
*/
#include <stdio.h>
#include <string.h>
#define MAX_NAME_SIZE 200
static void
pq(FILE *f, const char *c, int len)
{
int i = 1;
while (*c && i != len) {
if (*c == '"')
fprintf(f, "\\\"");
else {
fputc(*c, f);
if (*c == '?' && c[1] == '?') {
/* Avoid trigraphs */
fprintf(f, "\" \"");
}
}
c++;
i++;
}
}
int
main(void)
{
char line[1024], *c, *bra, vend[8];
int vendors = 0;
int mode = 0;
int lino = 0;
int vendor_len = 0;
FILE *devf, *clsf;
devf = fopen("devlist.h", "w");
clsf = fopen("classlist.h", "w");
if (!devf || !clsf) {
fprintf(stderr, "Cannot create output file!\n");
return 1;
}
while (fgets(line, sizeof(line)-1, stdin)) {
lino++;
if ((c = strchr(line, '\n')))
*c = 0;
if (!line[0] || line[0] == '#')
continue;
if (line[1] == ' ') {
if (line[0] == 'C' && strlen(line) > 4 && line[4] == ' ') {
vend[0] = line[2];
vend[1] = line[3];
vend[2] = 0;
mode = 2;
} else goto err;
}
else if (line[0] == '\t') {
if (line[1] == '\t')
continue;
switch (mode) {
case 1:
if (strlen(line) > 5 && line[5] == ' ') {
c = line + 5;
while (*c == ' ')
*c++ = 0;
if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
/* Too long, try cutting off long description */
bra = strchr(c, '[');
if (bra && bra > c && bra[-1] == ' ')
bra[-1] = 0;
if (vendor_len + strlen(c) + 1 > MAX_NAME_SIZE) {
fprintf(stderr, "Line %d: Device name too long. Name truncated.\n", lino);
fprintf(stderr, "%s\n", c);
/*return 1;*/
}
}
fprintf(devf, "\tDEVICE(%s,%s,\"", vend, line+1);
pq(devf, c, MAX_NAME_SIZE - vendor_len - 1);
fputs("\")\n", devf);
} else goto err;
break;
case 2:
if (strlen(line) > 3 && line[3] == ' ') {
c = line + 3;
while (*c == ' ')
*c++ = 0;
fprintf(clsf, "CLASS(%s%s, \"%s\")\n", vend, line+1, c);
} else goto err;
break;
default:
goto err;
}
} else if (strlen(line) > 4 && line[4] == ' ') {
c = line + 4;
while (*c == ' ')
*c++ = 0;
if (vendors)
fputs("ENDVENDOR()\n\n", devf);
vendors++;
strcpy(vend, line);
vendor_len = strlen(c);
if (vendor_len + 24 > MAX_NAME_SIZE) {
fprintf(stderr, "Line %d: Vendor name too long\n", lino);
return 1;
}
fprintf(devf, "VENDOR(%s,\"", vend);
pq(devf, c, 0);
fputs("\")\n", devf);
mode = 1;
} else {
err:
fprintf(stderr, "Line %d: Syntax error in mode %d: %s\n", lino, mode, line);
return 1;
}
}
fputs("ENDVENDOR()\n\
\n\
#undef VENDOR\n\
#undef DEVICE\n\
#undef ENDVENDOR\n", devf);
fputs("\n#undef CLASS\n", clsf);
fclose(devf);
fclose(clsf);
return 0;
}