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Add libzfs_error_init() function

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All fprintf() error messages are moved out of the libzfs_init()
library function where they never belonged in the first place.  A
libzfs_error_init() function is added to provide useful error
messages for the most common causes of failure.

Additionally, in libzfs_run_process() the 'rc' variable was renamed
to 'error' for consistency with the rest of the code base.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chris Dunlap <cdunlap@llnl.gov>
Signed-off-by: Richard Yao <ryao@gentoo.org>
This commit is contained in:
Brian Behlendorf
2015-05-20 14:39:52 -07:00
parent 87abfcba22
commit 65037d9b25
7 changed files with 46 additions and 22 deletions
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include/libzfs.h
+1 -1
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@@ -203,6 +203,7 @@ extern void zfs_save_arguments(int argc, char **, char *, int);
extern int zpool_log_history(libzfs_handle_t *, const char *);
extern int libzfs_errno(libzfs_handle_t *);
extern const char *libzfs_error_init(int);
extern const char *libzfs_error_action(libzfs_handle_t *);
extern const char *libzfs_error_description(libzfs_handle_t *);
extern int zfs_standard_error(libzfs_handle_t *, int, const char *);
@@ -749,7 +750,6 @@ extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
#define STDERR_VERBOSE 0x02
int libzfs_run_process(const char *, char **, int flags);
int libzfs_load_module(const char *);
/*
* Given a device or file, determine if it is part of a pool.