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authorJonathan Nieder <jrnieder@gmail.com>2012-02-02 10:28:02 (GMT)
committerJonathan Nieder <jrnieder@gmail.com>2012-02-02 11:33:37 (GMT)
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vcs-svn: suppress -Wtype-limits warning
On 32-bit architectures with 64-bit file offsets, gcc 4.3 and earlier produce the following warning: CC vcs-svn/sliding_window.o vcs-svn/sliding_window.c: In function `check_overflow': vcs-svn/sliding_window.c:36: warning: comparison is always false \ due to limited range of data type The warning appears even when gcc is run without any warning flags (PR12963). In later versions it can be reproduced with -Wtype-limits, which is implied by -Wextra. On 64-bit architectures it really is possible for a size_t not to be representable as an off_t so the check being warned about is not actually redundant. But even false positives are distracting. Avoid the warning by making the "len" argument to check_overflow a uintmax_t; no functional change intended. Reported-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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