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commit bash-20080828 snapshot

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This commit is contained in:
Chet Ramey
2011-12-07 09:28:04 -05:00
parent dd4f3dd893
commit 40c8fbee93
78 changed files with 7535 additions and 3603 deletions
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examples/loadables/sleep.c
+1 -72
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@@ -36,77 +36,6 @@
return (x); \
} while (0)
#if defined (HAVE_TIMEVAL) && defined (HAVE_SELECT)
static int
fsleep(sec, usec)
long sec, usec;
{
struct timeval tv;
tv.tv_sec = sec;
tv.tv_usec = usec;
return select(0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &tv);
}
#else /* !HAVE_TIMEVAL || !HAVE_SELECT */
static int
fsleep(sec, usec)
long sec, usec;
{
if (usec >= 500000) /* round */
sec++;
return (sleep(sec));
}
#endif /* !HAVE_TIMEVAL || !HAVE_SELECT */
/*
* An incredibly simplistic floating point converter.
*/
static int multiplier[7] = { 1, 100000, 10000, 1000, 100, 10, 1 };
static int
convert(s, sp, usp)
char *s;
long *sp, *usp;
{
int n;
long sec, usec;
char *p;
sec = usec = 0;
#define DECIMAL '.'
for (p = s; p && *p; p++) {
if (*p == DECIMAL) /* decimal point */
break;
if (DIGIT(*p) == 0)
RETURN(0);
sec = (sec * 10) + (*p - '0');
}
if (*p == 0)
RETURN(1);
if (*p == DECIMAL)
p++;
/* Look for up to six digits past a decimal point. */
for (n = 0; n < 6 && p[n]; n++) {
if (DIGIT(p[n]) == 0)
RETURN(0);
usec = (usec * 10) + (p[n] - '0');
}
/* Now convert to millionths */
usec *= multiplier[n];
if (n == 6 && p[6] >= '5' && p[6] <= '9')
usec++; /* round up 1 */
RETURN(1);
}
int
sleep_builtin (list)
WORD_LIST *list;
@@ -123,7 +52,7 @@ WORD_LIST *list;
return (EX_USAGE);
}
if (convert(list->word->word, &sec, &usec)) {
if (uconvert(list->word->word, &sec, &usec)) {
fsleep(sec, usec);
return(EXECUTION_SUCCESS);
}