Embed Notice

/* SPDX-License-Identifier: MIT */

int
slen(const char *s,
size_t maxlen,
size_t *rval)
{
size_t ch;

if (s == NULL ||
rval == NULL) {

errno = EFAULT;
return -1;
}

for (ch = 0;
ch < maxlen && s[ch] != '\0';
ch++);

if (ch == maxlen) {
/* unterminated */
errno = EFAULT;
return -1;
}

*rval = ch;
return 0;
}

/* we've been doing unix wrong since 1982 */