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2010-05-28Use calloc in qemu_mallocz.Richard Henderson
Avoids the memset if the allocator has gotten new zeroed storage from the operating system. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-02-23Simplify qemu_realloc()Markus Armbruster
No functional change. Bonus: looks just like qemu_malloc() now. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-12Do not abort on qemu_malloc(0) in production buildsAnthony Liguori
qemu_malloc() does not allow size=0 to be passed in and aborts on this behavior. Unfortunately, there is good reason to believe that within qemu, there are a number of, so far, undetected places that assume size=0 can be safely passed. Since we do not want to abort unnecessarily in production builds, return qemu_malloc(1) whenever the version file indicates that this is a production build. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-05-19Format per CODING_STYLEmalc
Signed-off-by: malc <av1474@comtv.ru>
2009-05-19Abort on attempts to allocate zero bytesmalc
http://marc.info/?t=124267873300015&r=1&w=2 Signed-off-by: malc <av1474@comtv.ru>
2009-02-11Fix qemu_realloc() (Kevin Wolf)aliguori
For qemu_realloc with size == 0 a result of NULL is perfectly fine Signed-off-by: Kevin Wolf <kwolf@suse.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6615 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-06Replace exit() in oom_check with abort()aliguori
So that we can get a core dump with a stack trace. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6542 c046a42c-6fe2-441c-8c8c-71466251a162
2009-02-05Terminate emulation on memory allocation failure (Avi Kivity)aliguori
Memory allocation failures are a very rare condition on virtual-memory hosts. They are also very difficult to handle correctly (especially in a hardware emulation context). Because of this, it is better to gracefully terminate emulation rather than executing untested or even unwritten recovery code paths. This patch changes the qemu memory allocation routines to terminate emulation if an allocation failure is encountered. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6526 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-09Add qemu_strndup: qemu_strdup with length limit.balrog
Also optimise qemu_strdup by using memcpy - using pstrcpy is usually suboptimal. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5653 c046a42c-6fe2-441c-8c8c-71466251a162
2008-08-25Fix error introduced by r5044blueswir1
qemu_strdup() doesn't copy a last character because of off by one error. Signed-off-by: Gleb Natapov <gleb@qumranet.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5086 c046a42c-6fe2-441c-8c8c-71466251a162
2008-08-21Fix OpenBSD linker warningsblueswir1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5044 c046a42c-6fe2-441c-8c8c-71466251a162
2008-08-06Add qemu_realloc(), by Gerd Hoffmann.ths
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4986 c046a42c-6fe2-441c-8c8c-71466251a162
2008-06-09Prevent guest reusing host memory allocations.pbrook
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4710 c046a42c-6fe2-441c-8c8c-71466251a162
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