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From:	Bengt Larsson <lists DOT cygwin4 AT bengtl DOT net>
To:	cygwin AT cygwin DOT com
Subject:	Re: open(O_RDWR) and lseek() fail
Date:	Fri, 28 Mar 2014 19:13:39 +0100
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Nellis, Kenneth wrote:
>So, then, after changing %d to %lld, gcc -Wall -pedantic complains:
>
>x.c: In function ‘main’:
>x.c:12:2: warning: ISO C90 does not support the ‘ll’ gnu_printf length modifier [-Wformat=]
>  printf("pos = %lld\n",lseek(f, 0l, SEEK_CUR));
>  ^
>x.c:12:2: warning: ISO C90 does not support the ‘ll’ gnu_printf length modifier [-Wformat=]

Or you could use the standard: include <stdint.h> and:

  printf("pos = %jd\n", (intmax_t)lseek(f, 0l, SEEK_CUR));

>
>Wondering how to printf an off_t value without the compiler complaining while
>using -Wall -pedantic.
>
>--Ken Nellis

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