static uint32_t
get_file_hash_index(struct manifest *mf,
char *path,
struct file_hash *file_hash,
struct hashtable *mf_files,
struct hashtable *mf_file_infos)
{
struct file_info fi;
uint32_t *fi_index;
uint32_t n;
fi.index = get_include_file_index(mf, path, mf_files);
memcpy(fi.hash, file_hash->hash, sizeof(fi.hash));
fi.size = file_hash->size;
fi_index = hashtable_search(mf_file_infos, &fi);
if (fi_index) {
return *fi_index;
}
n = mf->n_file_infos;
mf->file_infos = x_realloc(mf->file_infos, (n + 1) * sizeof(*mf->file_infos));
mf->n_file_infos++;
mf->file_infos[n] = fi;
return n;
}
static uint32_t
get_file_hash_index(struct manifest *mf,
char *path,
struct file_hash *file_hash,
struct hashtable *mf_files,
struct hashtable *mf_file_infos)
{
struct file_info fi;
uint32_t *fi_index;
uint32_t n;
struct stat file_stat;
fi.index = get_include_file_index(mf, path, mf_files);
memcpy(fi.hash, file_hash->hash, sizeof(fi.hash));
fi.size = file_hash->size;
/*
* file_stat.st_{m,c}time has a resolution of 1 second, so we can cache the
* file's mtime and ctime only if they're at least one second older than
* time_of_compilation.
*
* st->ctime may be 0, so we have to check time_of_compilation against
* MAX(mtime, ctime).
*/
if (stat(path, &file_stat) != -1
&& time_of_compilation > MAX(file_stat.st_mtime, file_stat.st_ctime)) {
fi.mtime = file_stat.st_mtime;
fi.ctime = file_stat.st_ctime;
}
else {
fi.mtime = -1;
fi.ctime = -1;
}
fi_index = hashtable_search(mf_file_infos, &fi);
if (fi_index) {
return *fi_index;
}
n = mf->n_file_infos;
mf->file_infos = x_realloc(mf->file_infos, (n + 1) * sizeof(*mf->file_infos));
mf->n_file_infos++;
mf->file_infos[n] = fi;
return n;
}