* [PATCH] bswap.3: Use strtoull() for parsing 64-bit numbers
@ 2020-09-11 11:44 Jakub Wilk
2020-09-11 12:11 ` Michael Kerrisk (man-pages)
0 siblings, 1 reply; 2+ messages in thread
From: Jakub Wilk @ 2020-09-11 11:44 UTC (permalink / raw)
To: Michael Kerrisk; +Cc: linux-man
Before, on 32-bit systems:
$ ./a.out 0x0123456789abcdef
0xffffffff ==> 0xffffffff00000000
After:
$ ./a.out 0x0123456789abcdef
0x123456789abcdef ==> 0xefcdab8967452301
Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
---
man3/bswap.3 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/man3/bswap.3 b/man3/bswap.3
index 412e1702f..ce847580a 100644
--- a/man3/bswap.3
+++ b/man3/bswap.3
@@ -72,7 +72,7 @@ main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
- x = strtoul(argv[1], NULL, 0);
+ x = strtoull(argv[1], NULL, 0);
printf("0x%" PRIx64 " ==> 0x%" PRIx64 "\en", x, bswap_64(x));
exit(EXIT_SUCCESS);
--
2.28.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] bswap.3: Use strtoull() for parsing 64-bit numbers
2020-09-11 11:44 [PATCH] bswap.3: Use strtoull() for parsing 64-bit numbers Jakub Wilk
@ 2020-09-11 12:11 ` Michael Kerrisk (man-pages)
0 siblings, 0 replies; 2+ messages in thread
From: Michael Kerrisk (man-pages) @ 2020-09-11 12:11 UTC (permalink / raw)
To: Jakub Wilk; +Cc: mtk.manpages, linux-man
Hello Jakub,
On 9/11/20 1:44 PM, Jakub Wilk wrote:
> Before, on 32-bit systems:
>
> $ ./a.out 0x0123456789abcdef
> 0xffffffff ==> 0xffffffff00000000
>
> After:
>
> $ ./a.out 0x0123456789abcdef
> 0x123456789abcdef ==> 0xefcdab8967452301
>
> Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
Sigh!
Thanks. Patch applied.
Cheers,
Michael
> ---
> man3/bswap.3 | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/man3/bswap.3 b/man3/bswap.3
> index 412e1702f..ce847580a 100644
> --- a/man3/bswap.3
> +++ b/man3/bswap.3
> @@ -72,7 +72,7 @@ main(int argc, char *argv[])
> exit(EXIT_FAILURE);
> }
>
> - x = strtoul(argv[1], NULL, 0);
> + x = strtoull(argv[1], NULL, 0);
> printf("0x%" PRIx64 " ==> 0x%" PRIx64 "\en", x, bswap_64(x));
>
> exit(EXIT_SUCCESS);
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
^ permalink raw reply [flat|nested] 2+ messages in thread
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