/*
* Requires:
* "s" is a properly terminated string.
*
* Effects:
* Reverses a string (from K&R). This function can be safely called by a
* signal handler.
*/
static void
sio_reverse(char s[])
{
int c, i, j;
for (i = 0, j = sio_strlen(s) - 1; i < j; i++, j--) {
c = s[i];
s[i] = s[j];
s[j] = c;
}
}
ssize_t sio_puts(char s[]) /* Put string */
{
return write(STDOUT_FILENO, s, sio_strlen(s)); //line:csapp:siostrlen
}
/*
* Requires:
* "s" is a properly terminated string.
*
* Effects:
* Prints the string "s" to stdout using only functions that can be safely
* called by a signal handler, and returns either the number of characters
* printed or -1 if the string could not be printed.
*/
static ssize_t
sio_puts(char s[])
{
return (write(STDOUT_FILENO, s, sio_strlen(s)));
}
