| Commit message (Collapse) | Author | Age | Files | Lines |
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guestfs_pop_error_handler.
The addition of these calls makes it much simpler to temporarily
disable or ignore errors:
guestfs_push_error_handler (g, NULL, NULL);
guestfs_mkdir (g, "/foo"); /* We don't care if this fails. */
guestfs_pop_error_handler (g);
Note these calls are used by the C API only. They are not necessary
in other languages, because those map errors to exceptions.
The subsequent commits change existing code to use push/pop instead of
laboriously saving and restoring the error handler.
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This fixes commit 9466060201600db47016133d80af22eb38091a49.
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New APIs: set-tmpdir, get-tmpdir, set-cachedir, get-cachedir.
The current code has evolved over time and has a number of problems:
(a) A single environment variable ($TMPDIR) controls the
location of several directories.
(b) It's hard for the library user to predict which directory
libguestfs will use, unless the user simulates the same internal steps
that libguestfs performs.
This commit fixes these issues.
(a) Now three environment variables control the location of all small
temporary files, and the appliance cache:
For temporary files: $LIBGUESTFS_TMPDIR or $TMPDIR or /tmp.
For the appliance cache: $LIBGUESTFS_CACHEDIR or $TMPDIR or /var/tmp.
The user can also set these directories explicitly through API calls
(guestfs_set_tmpdir and guestfs_set_cachedir).
(b) The user can also retrieve the actual directories that libguestfs
will use, by calling guestfs_get_tmpdir and guestfs_get_cachedir.
These functions are also used internally.
This commit also:
- reworks the internal tmpdir code
- removes the internal (undocumented) guestfs_tmpdir call (replacing
it with calls to the documented guestfs_get_tmpdir API instead)
- changes the ./run script to set LIBGUESTFS_TMPDIR and
LIBGUESTFS_CACHEDIR
- adds a test
- fixes a few places like libguestfs-make-fixed-appliance which
depended on $TMPDIR
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Split the functions according to a simple hash across
C.nr_actions_files files (this number can be increased later if
necessary).
This is just code motion.
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This is just code motion.
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This is just code motion.
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This just makes it simpler to add extra fields to each struct.
This is code motion.
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This is currently done implicitly because of the linker script.
However in order to do symbol versioning, we will have to do
this explicitly at each definition instead.
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This is just code motion.
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guestfs_parse_environment_list.
Add a new function for creating a handle:
guestfs_h *guestfs_create_flags (unsigned flags [, ...]);
This variant lets you supply flags and extra arguments, although extra
arguments are not used at the moment.
Of particular interest is the ability to separate the creation of the
handle from the parsing of environment variables like
LIBGUESTFS_DEBUG. guestfs_create does both together, which prevents
us from propagating errors from parsing environment variables back to
the caller (guestfs_create has always printed any errors on stderr and
then just ignored them).
If you are interested in these errors, you can now write:
g = guestfs_create_flags (GUESTFS_CREATE_NO_ENVIRONMENT);
if (!g)
exit (EXIT_FAILURE);
r = guestfs_parse_environment (g);
if (!r)
exit (EXIT_FAILURE);
Also you can *omit* the call to guestfs_parse_environment, which
creates a handle unaffected by the environment (which was not possible
before).
This commit also includes new (backwards compatible) changes to the
OCaml, Perl, Python, Ruby and Java constructors that let you use the
flags.
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Found by 'make syntax-check'.
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This is a simple renaming of the files/modules.
Note that in OCaml, module names are derived from filenames by
capitalizing the first letter. Thus the old module names had the form
"Generator_api_versions". The new modules names have the form
"Api_versions".
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