*/
int env_get_f(const char *name, char *buf, unsigned len)
{
- int i, nxt;
+ int i, nxt, c;
for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
int val, n;
- for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) {
+ for (nxt = i; (c = env_get_char(nxt)) != '\0'; ++nxt) {
+ if (c < 0)
+ return c;
if (nxt >= CONFIG_ENV_SIZE)
return -1;
}
/* found; copy out */
for (n = 0; n < len; ++n, ++buf) {
- *buf = env_get_char(val++);
+ c = env_get_char(val++);
+ if (c < 0)
+ return c;
+ *buf = c;
if (*buf == '\0')
return n;
}