diff options
Diffstat (limited to 'src/lib/libc/stdlib/l64a.c')
-rw-r--r-- | src/lib/libc/stdlib/l64a.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/lib/libc/stdlib/l64a.c b/src/lib/libc/stdlib/l64a.c new file mode 100644 index 0000000000..4e99391254 --- /dev/null +++ b/src/lib/libc/stdlib/l64a.c | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * Written by J.T. Conklin <jtc@netbsd.org>. | ||
3 | * Public domain. | ||
4 | */ | ||
5 | |||
6 | #if defined(LIBC_SCCS) && !defined(lint) | ||
7 | static char *rcsid = "$OpenBSD: l64a.c,v 1.3 1997/08/17 22:58:34 millert Exp $"; | ||
8 | #endif /* LIBC_SCCS and not lint */ | ||
9 | |||
10 | #include <errno.h> | ||
11 | #include <stdlib.h> | ||
12 | |||
13 | char * | ||
14 | l64a(value) | ||
15 | long value; | ||
16 | { | ||
17 | static char buf[8]; | ||
18 | char *s = buf; | ||
19 | int digit; | ||
20 | int i; | ||
21 | |||
22 | if (value < 0) { | ||
23 | errno = EINVAL; | ||
24 | return(NULL); | ||
25 | } | ||
26 | |||
27 | for (i = 0; value != 0 && i < 6; i++) { | ||
28 | digit = value & 0x3f; | ||
29 | |||
30 | if (digit < 2) | ||
31 | *s = digit + '.'; | ||
32 | else if (digit < 12) | ||
33 | *s = digit + '0' - 2; | ||
34 | else if (digit < 38) | ||
35 | *s = digit + 'A' - 12; | ||
36 | else | ||
37 | *s = digit + 'a' - 38; | ||
38 | |||
39 | value >>= 6; | ||
40 | s++; | ||
41 | } | ||
42 | |||
43 | *s = '\0'; | ||
44 | |||
45 | return(buf); | ||
46 | } | ||