| Commit message (Collapse) | Author | Age | Files | Lines |
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guestfsd calls many different tools. Keeping track of all of them is
error prone. This patch introduces a new helper macro to put the command
string into its own ELF section:
GUESTFSD_EXT_CMD(C_variable, command_name);
This syntax makes it still possible to grep for used command names.
The actual usage of the collected list could be like this:
objcopy -j .guestfsd_ext_cmds -O binary daemon/guestfsd /dev/stdout |
tr '\0' '\n' | sort -u
The resulting output will be used to tell mkinitrd which programs to
copy into the initrd.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
RWMJ:
- Move str_vgchange at request of author.
- Fix snprintf call in daemon/debug.c
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This API is not especially useful on its own. It will be used to
reimplement guestfs_ls to work without protocol limits.
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Previously a lot of daemon code used three variables (a string list,
'int size' and 'int alloc') to track growable strings buffers. This
commit implements a simple struct containing the same variables, but
using size_t instead of int:
struct stringsbuf {
char **argv;
size_t size;
size_t alloc;
};
Use it like this:
DECLARE_STRINGSBUF (ret);
//...
if (add_string (&ret, str) == -1)
return NULL;
//...
if (end_stringsbuf (&ret) == -1)
return NULL;
return ret.argv;
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git grep -l 'strcmp *([^=]*== *0'|xargs \
perl -pi -e 's/\bstrcmp( *\(.*?\)) *== *0/STREQ$1/g'
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These commands can be used to list files in the appliance.
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Nearly every file-related function in daemons/*.c is affected:
Remove this pair of statements from each affected do_* function:
- NEED_ROOT (return -1);
- ABS_PATH (dir, return -1);
and change the type of the corresponding parameter to "const char *".
* src/generator.ml: Emit NEED_ROOT just once, even when there are two or
more Pathname args.
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run this command:
git grep -l -w NEED_ROOT|xargs perl -pi -e \
's/(NEED_ROOT) \((.*?)\)/$1 (return $2)/'
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run this command:
git grep -l -w ABS_PATH|xargs perl -pi -e \
's/(?:ABS_PATH)( \(.*?,) (.*?)\)/ABS_PATH$1 return $2)/'
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* ls.c (do_ll): Do invoke "NEED_ROOT" here, and add a FIXME to
provide a "debug ll" command with the semantics we're removing.
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Currently /sysroot is hard-coded throughout the daemon code.
This patch turns the path into a variable so that we can change
it in future, for example to allow standalone mode to be implemented.
This patch was tested by running all the C API tests successfully.
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- implement 'll' command.
- outlines for 'ls' and 'cat' commands.
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