view modules/byteswap @ 40212:8da9577294da

unistr/*, uniconv/*: Fix undefined behaviour. Reported by Jeffrey Walton <noloader@gmail.com>. * lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size. * lib/unistr/u-cpy-alloc.h (FUNC): Likewise. * lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise. * lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author Bruno Haible <bruno@clisp.org>
date Sat, 09 Mar 2019 00:01:47 +0100
parents 662ae53d8d37
children 6758fa38915e
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Description:
Swap bytes of 16, 32 and 64 bit values.

Files:
lib/byteswap.in.h
m4/byteswap.m4

Depends-on:

configure.ac:
gl_BYTESWAP

Makefile.am:
BUILT_SOURCES += $(BYTESWAP_H)

# We need the following in order to create <byteswap.h> when the system
# doesn't have one.
if GL_GENERATE_BYTESWAP_H
byteswap.h: byteswap.in.h $(top_builddir)/config.status
	$(AM_V_GEN)rm -f $@-t $@ && \
	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
	  cat $(srcdir)/byteswap.in.h; \
	} > $@-t && \
	mv -f $@-t $@
else
byteswap.h: $(top_builddir)/config.status
	rm -f $@
endif
MOSTLYCLEANFILES += byteswap.h byteswap.h-t

Include:
<byteswap.h>

License:
LGPLv2+

Maintainer:
Oskar Liljeblad