| Commit message (Collapse) | Author | Age | Files | Lines |
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Used to create temporary directory or file with an optional suffix.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
RWMJ:
- Split this out into a new file (daemon/mktemp.c).
- I don't see a reason to deprecate the mkdtemp function which
works fine. Instead remove complex dir-making code from the
new function.
- Test and fix the patch (missing close(fd)).
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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 file is already hard-linked into the current directory, so
the relative path is not required.
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This commit is just code movement.
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chmod: Disallow negative mode, document mode affected by umask.
mkdir-mode: Disallow negative mode, document that filesystems
may interpret the mode in different ways.
mknod: Disallow negative mode, document mode affected by umask.
umask: Check the range of umask mask value carefully.
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The RPC stubs already prefix the command name to error messages.
The daemon doesn't have to do this. As a (small) benefit this also
makes the daemon slightly smaller.
Code in the daemon such as:
if (argv[0] == NULL) {
reply_with_error ("passed an empty list");
return NULL;
}
now results in error messages like this:
><fs> command ""
libguestfs: error: command: passed an empty list
(whereas previously you would have seen ..command: command:..)
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git grep -l 'strcmp *([^=]*== *0'|xargs \
perl -pi -e 's/\bstrcmp( *\(.*?\)) *== *0/STREQ$1/g'
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truncate, truncate_size: Used to truncate files to a particular
size, or to zero bytes.
mkdir_mode: Like mkdir but allows you to also specify the
initial permissions for the new directory.
utimens: Set timestamp on a file with nanosecond accuracy.
lchown: Corresponding to lchown(2) syscall (we already have chown).
The implementation is complicated by the fact that we had to
add an Int64 parameter type to the generator.
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* daemon/dir.c (do_mkdtemp): Rewrite for a "const" parameter.
* src/generator.ml (mkdtemp): Declare parameter to be of type Pathname.
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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 $2)/'
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Do it by running this command:
[exempted files are matched via .x-sc_TAB_in_indentation]
git ls-files \
| pcregrep -vf .x-sc_TAB_in_indentation \
| xargs pcregrep -l '^ *\t' \
| xargs perl -MText::Tabs -ni -le \
'$m=/^( *\t[ \t]*)(.*)/; print $m ? expand($1) . $2 : $_'
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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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