void print_deps(void)
{
struct stat st;
int fd;
void *map;
fd = open(depfile, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "fixdep: ");
perror(depfile);
exit(2);
}
fstat(fd, &st);
if (st.st_size == 0) {
fprintf(stderr,"fixdep: %s is empty\n",depfile);
close(fd);
return;
}
map = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if ((long) map == -1) {
perror("fixdep: mmap");
close(fd);
return;
}
parse_dep_file(map, st.st_size);
munmap(map, st.st_size);
close(fd);
}
/* global functions */
int main(int argc, char *argv[]){
int fd;
void *map;
unsigned int size;
/* init */
traps();
if(argc != 4){
fprintf(stderr, "Usage: %s <depfile> <config_header> <config_dir>\n", argv[0]);
return 1;
}
depfile = argv[1];
conf_header = argv[2];
conf_dir = argv[3];
/* open and mmap depfile */
if(file_map(depfile, &fd, &map, &size) != 0)
return 1;
/* parse depfile */
parse_dep_file(map, size);
/* exit */
file_unmap(fd, map, size);
return 0;
}
