diff options
| author | Richard W.M. Jones <rjones@redhat.com> | 2010-11-03 15:49:36 +0000 |
|---|---|---|
| committer | Richard W.M. Jones <rjones@redhat.com> | 2010-11-03 18:48:56 +0000 |
| commit | 2066805a5d93b62beaf6653324715f0b62b06a05 (patch) | |
| tree | 393ec11feb514069cf5cfb102b24a4d3a75d7e40 /src/guestfs-internal.h | |
| parent | d859c283c469b9d9124d90d0ac32024671372ed5 (diff) | |
| download | libguestfs-2066805a5d93b62beaf6653324715f0b62b06a05.tar.gz libguestfs-2066805a5d93b62beaf6653324715f0b62b06a05.tar.xz libguestfs-2066805a5d93b62beaf6653324715f0b62b06a05.zip | |
lib: Expose errno through new API guestfs_last_errno.
If either the daemon sends back an errno, or a system call
fails in the library, save the errno in the handle and then
make it available to callers through the guestfs_last_errno
function.
Diffstat (limited to 'src/guestfs-internal.h')
| -rw-r--r-- | src/guestfs-internal.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h index ffd8cf15..9c7c96cc 100644 --- a/src/guestfs-internal.h +++ b/src/guestfs-internal.h @@ -114,6 +114,7 @@ struct guestfs_h int selinux; /* selinux enabled? */ char *last_error; + int last_errnum; /* errno, or 0 if there was no errno */ /* Callbacks. */ guestfs_abort_cb abort_cb; @@ -200,6 +201,8 @@ struct guestfs_message_error; extern void guestfs_error (guestfs_h *g, const char *fs, ...) __attribute__((format (printf,2,3))); +extern void guestfs_error_errno (guestfs_h *g, int errnum, const char *fs, ...) + __attribute__((format (printf,3,4))); extern void guestfs_perrorf (guestfs_h *g, const char *fs, ...) __attribute__((format (printf,2,3))); extern void *guestfs_safe_realloc (guestfs_h *g, void *ptr, int nbytes); @@ -221,7 +224,7 @@ extern int guestfs___accept_from_daemon (guestfs_h *g); extern int guestfs___build_appliance (guestfs_h *g, char **kernel, char **initrd, char **appliance); extern void guestfs___print_BufferIn (FILE *out, const char *buf, size_t buf_size); -#define error guestfs_error +#define error(g,...) guestfs_error_errno((g),0,__VA_ARGS__) #define perrorf guestfs_perrorf #define safe_calloc guestfs_safe_calloc #define safe_malloc guestfs_safe_malloc |