1 /*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 #include <ctype.h>
29 #include <inttypes.h>
30 #include <stdlib.h>
31 #include <sys/time.h>
32
strtotimeval(const char * str,struct timeval * ts)33 char * strtotimeval (const char *str, struct timeval *ts)
34 {
35 int n;
36 char *s, *s0;
37 long fs; /* Fractional seconds */
38
39 ts->tv_sec = strtoumax(str, &s, 10);
40 fs = 0;
41
42 if ( *s == '.' ) {
43 int count;
44
45 s0 = s+1;
46
47 /* read up to 6 digits */
48 fs = 0;
49 count = 0;
50 while ( *s && isdigit(*s) )
51 {
52 if ( ++count < 7 )
53 fs = fs*10 + (*s - '0');
54 s++;
55 }
56
57 for ( ; count < 6; count++ )
58 fs *= 10;
59 }
60
61 ts->tv_usec = fs;
62 return s;
63 }
64