static int read_db(struct database *db)
{
char *line = NULL;
size_t linesz = 0;
struct group *group = NULL, **pgroup = &db->groups;
int linenr = 0;
while (getline(&line, &linesz, db->fh) > 0) {
char *s;
s = strchr(line, '#');
if (s) {
struct group *cmt;
DB_NEW(cmt);
*pgroup = cmt;
pgroup = &cmt->next;
cmt->comment = xstrdup(s + 1);
*s = 0;
}
s = cleanline(line);
linenr++;
if (!s)
continue;
if (*s == '[') {
int n;
char *name;
++s;
n = strcspn(s, "]");
if (s[n] == 0)
goto parse_error;
name = xalloc(n + 1);
memcpy(name, s, n);
group = alloc_group(name);
*pgroup = group;
pgroup = &group->next;
} else {
char *p;
if (!group)
goto parse_error;
p = s + strcspn(s, ":");
if (*p != ':')
goto parse_error;
*p++ = 0;
if (*p == ' ')
p++;
else
goto parse_error;
change_entry(db, group, line, p);
}
}
if (ferror(db->fh)) {
DBerror("IO error while reading database %s: %s\n", db->fn,
strerror(errno));
goto error;
}
free(line);
return 0;
parse_error:
DBerror("Parse error in database %s at line %d\n", db->fn, linenr);
error:
free(line);
return -1;
}
int get_stdin(char *args[])
{
char buf[2], sbuf[ARGLEN], dbuf[ARGLEN], *arg1, *arg2;
int x, y, z, argmax;
memset(buf, 0, sizeof(buf));
argmax = ARGLEN - 1;
arg1 = (char *)calloc(1, ARGLEN);
arg2 = (char *)calloc(1, ARGLEN);
memset(sbuf, 0, sizeof(sbuf));
memset(dbuf, 0, sizeof(dbuf));
while (!sbuf[0]) {
x = 0;
y = 0;
memset(sbuf, 0, sizeof(sbuf));
do {
x = read(0, buf, 1);
if (x == 1)
sbuf[y] = buf[0];
y++;
} while (x > 0 && buf[0] != '\n' && y < ((int)sizeof(sbuf) - 1));
if (x < 0) {
free(arg1);
free(arg2);
return -1;
}
if (!x)
break;
while (buf[0] != '\n' && x == 1)
x = read(0, buf, 1);
if (x < 0) {
free(arg1);
free(arg2);
return -1;
}
if (!x)
break;
};
if (!sbuf[0]) {
free(arg1);
free(arg2);
return -2;
}
x = cleanline(sbuf, dbuf);
if (x < 1) {
free(arg1);
free(arg2);
return x;
}
y = 0;
while (y < (int)strlen(dbuf) && y < argmax && dbuf[y] != ' ') {
arg1[y] = dbuf[y];
y++;
}
y++;
z = 0;
while (y < (int)strlen(dbuf) && z < argmax && dbuf[y] != ' ') {
arg2[z] = dbuf[y];
y++;
z++;
}
strlcpy(args[0], arg1, ARGLEN);
strlcpy(args[1], arg2, ARGLEN);
free(arg1);
free(arg2);
return x;
}
