freebsd-src/lib/libkvm
Enji Cooper 7d0a282a12 kvm_geterr: handle kd == NULL in a deterministic/graceful manner
Return a NUL string instead of just working by accident with kvm_geterr(3)
when MALLOC_PRODUCTION is disabled (I didn't confirm the MALLOC_PRODUCTION
being enabled path).

Document the new explicit return behavior for kvm_geterr(3), as well
as the previous implicit behavior, i.e., the buffer attached to
returned via kvm_geterr(3) would be empty if a previous error hadn't been
stored in `kd`.

Differential Revision:	D10022
MFC after:	1 week
Reviewed by:	vangyzen
Sponsored by:	Dell EMC Isilon
2017-03-21 19:02:17 +00:00
..
kvm.3 Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm.c kvm_geterr: handle kd == NULL in a deterministic/graceful manner 2017-03-21 19:02:17 +00:00
kvm.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_aarch64.h Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_amd64.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_amd64.h Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_arm.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_arm.h Rename pte.h to pte-v4.h and start including directly either pte-v4.h 2016-02-19 09:23:32 +00:00
kvm_cptime.c Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_getcptime.3
kvm_geterr.3 kvm_geterr: handle kd == NULL in a deterministic/graceful manner 2017-03-21 19:02:17 +00:00
kvm_getloadavg.3 Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_getloadavg.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_getpcpu.3 Tweak r315363 slightly 2017-03-16 03:24:15 +00:00
kvm_getprocs.3 Remove a commented out line before kvm_getprocs(3) 2017-03-19 23:04:58 +00:00
kvm_getswapinfo.3 libkvm - extend a bit the swap statistics field. 2017-01-02 15:12:11 +00:00
kvm_getswapinfo.c libkvm - extend a bit the swap statistics field. 2017-01-02 15:12:11 +00:00
kvm_i386.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_i386.h Fix building with GCC since PAGE_MASK is signed on i386. 2016-01-14 15:51:13 +00:00
kvm_minidump_aarch64.c libkvm: Improve physical address lookup scaling. 2016-07-18 01:55:25 +00:00
kvm_minidump_amd64.c libkvm: Improve physical address lookup scaling. 2016-07-18 01:55:25 +00:00
kvm_minidump_arm.c libkvm: Improve physical address lookup scaling. 2016-07-18 01:55:25 +00:00
kvm_minidump_i386.c libkvm: Improve physical address lookup scaling. 2016-07-18 01:55:25 +00:00
kvm_minidump_mips.c libkvm: Improve physical address lookup scaling. 2016-07-18 01:55:25 +00:00
kvm_mips.h Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_native.3 Capitalize .Dt macro argument 2017-03-16 03:18:06 +00:00
kvm_nlist.3 Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_open.3 Handle kd == NULL gracefully with kvm_close(3) 2017-03-20 18:28:22 +00:00
kvm_pcpu.c lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
kvm_powerpc.c Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_powerpc64.c Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_private.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_private.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_proc.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_read.3 Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_sparc64.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
kvm_sparc64.h Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00
kvm_vnet.c lib: minor spelling fixes in comments. 2016-05-01 19:37:33 +00:00
Makefile libkvm: Put private kvm routines in kvm_private.c. 2016-07-18 01:02:52 +00:00
Makefile.depend Add support to libkvm for reading vmcores from other architectures. 2015-11-27 18:58:26 +00:00