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The function is a wrapper on top of glibs g_strsplit, so is covered by
glibs testing.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The glib implementation doesn't tolerate NULL but in most cases we check
before anyways. The rest of the callers adds a NULL check.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
virStringListAdd hides the fact that a O(n) count of elements is
performed every time it's called which makes it inefficient.
Stop supporting such semantics and remove the helpers. Users have a
choice of using GSList or an array with a counter variable rather than
repeated lookups.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Some test rely too much on declaring variables in the middle
of the function. Use the macro to locally suppress the warning
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Both accept a NULL value gracefully and virStringFreeList
does not zero the pointer afterwards, so a straight replace
is safe.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This deletes all trace of gnulib from libvirt. We still
have the keycodemapdb submodule to deal with. The simple
solution taken was to update it when running autogen.sh.
Previously gnulib could auto-trigger refresh when running
'make' too. We could figure out a solution for this, but
with the pending meson rewrite it isn't worth worrying
about, given how infrequently keycodemapdb changes.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The virFilePrintf function was a wrapper for fprintf() to provide
Windows portability, since gnulib's fprintf() replacement was
license restricted. This is no longer needed now we have the
g_fprintf function available.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
G_STATIC_ASSERT() is a drop-in functional equivalent of
the GNULIB verify() macro.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Replace all occurrences of
if (VIR_STRDUP(a, b) < 0)
/* effectively dead code */
with:
a = g_strdup(b);
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Replace all the occurrences of
ignore_value(VIR_STRDUP(a, b));
with
a = g_strdup(b);
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use G_GNUC_UNUSED from GLib instead of ATTRIBUTE_UNUSED.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In many files there are header comments that contain an Author:
statement, supposedly reflecting who originally wrote the code.
In a large collaborative project like libvirt, any non-trivial
file will have been modified by a large number of different
contributors. IOW, the Author: comments are quickly out of date,
omitting people who have made significant contribitions.
In some places Author: lines have been added despite the person
merely being responsible for creating the file by moving existing
code out of another file. IOW, the Author: lines give an incorrect
record of authorship.
With this all in mind, the comments are useless as a means to identify
who to talk to about code in a particular file. Contributors will always
be better off using 'git log' and 'git blame' if they need to find the
author of a particular bit of code.
This commit thus deletes all Author: comments from the source and adds
a rule to prevent them reappearing.
The Copyright headers are similarly misleading and inaccurate, however,
we cannot delete these as they have legal meaning, despite being largely
inaccurate. In addition only the copyright holder is permitted to change
their respective copyright statement.
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
All of the ones being removed are pulled in by internal.h. The only
exception is sanlock which expects the application to include <stdint.h>
before sanlock's headers, because sanlock prototypes use fixed width
int, but they don't include stdint.h themselves, so we have to leave
that one in place.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
So every caller does the same: they use virStringListAdd() to add
new item into the list and then free the old copy to replace it
with new list. It's not very memory effective, nor environmental
friendly.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Right-aligning backslashes when defining macros or using complex
commands in Makefiles looks cute, but as soon as any changes is
required to the code you end up with either distractingly broken
alignment or unnecessarily big diffs where most of the changes
are just pushing all backslashes a few characters to one side.
Generated using
$ git grep -El '[[:blank:]][[:blank:]]\\$' | \
grep -E '*\.([chx]|am|mk)$$' | \
while read f; do \
sed -Ei 's/[[:blank:]]*[[:blank:]]\\$/ \\/g' "$f"; \
done
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
There are no occurrences of tests related to Strings and Double numbers
inside virstringtest.c. This commit introduces some tests to validate the
conversion. The test does not include locale changes yet.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Simply tries to match the provided regex on a string and returns
the result. Useful if caller don't care about the matched substring
and want to just test if some pattern patches a string.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Our STREQ_NULLABLE and STRNEQ_NULLABLE macros are too
complicated. This was a result of some broken version of gcc.
However, that is long gone and therefore we can simplify the
macros.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We have couple of functions that operate over NULL terminated
lits of strings. However, our naming sucks:
virStringJoin
virStringFreeList
virStringFreeListCount
virStringArrayHasString
virStringGetFirstWithPrefix
We can do better:
virStringListJoin
virStringListFree
virStringListFreeCount
virStringListHasString
virStringListGetFirstWithPrefix
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Pulls in several portability fixes, including the fact that gnulib
now only works on platforms with two's complement signed integers.
Also makes for a smaller delta on the next update (we are waiting
on a license change to unsetenv for the sake of mingw).
* .gnulib: Update to latest.
* bootstrap: Resync from upstream.
* tests/virstringtest.c: Drop use of obsolete probes of integer
properties.
Signed-off-by: Eric Blake <eblake@redhat.com>
The virStringListLength function does not ever modify the passed
string list. It merely counts the items in it. Make sure that we
reflect this bit in the function header.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
(crobinso: fix up spacing and squash in sheepdog bit suggested
by Andrea)
Add virStringHasControlChars that checks if the string has
any control characters other than \t\r\n,
and virStringStripControlChars that removes them in-place.
Coverity complains that the various checks for autoincrement and changed
variables are DEADCODE - seems to me to be a false positive - so mark it.
Signed-off-by: John Ferlan <jferlan@redhat.com>
To free string lists with some strings stolen from the middle we need to
walk the complete array. Introduce a new helper that takes the string
list size to free such string lists.
To allow using the array manipulation macros on the arrays returned by
virStringSplit we need to know the count of the elements in the array.
Modify virStringSplit to return this value, rename it and add a helper
with the old name so that we don't need to update all the code.
On a 32-bit platform:
virstringtest.c: In function 'mymain':
virstringtest.c:673: warning: this decimal constant is unsigned only in ISO C90
I already had a comment in the file about the 64-bit counterpart;
the easiest fix was to make both sites use the standardized macro
that is guaranteed to work.
* tests/virstringtest.c (mymain): Minimum signed integers are a pain.
Signed-off-by: Eric Blake <eblake@redhat.com>
strtoul() is required to parse negative numbers as their
twos-complement positive counterpart. But sometimes we want
to reject negative numbers. Add new functions to do this.
The 'p' suffix is a mnemonic for 'positive' (technically it
also parses 0, but 'non-negative' doesn't lend itself to a
nice one-letter suffix).
* src/util/virstring.h (virStrToLong_uip, virStrToLong_ulp)
(virStrToLong_ullp): New prototypes.
* src/util/virstring.c (virStrToLong_uip, virStrToLong_ulp)
(virStrToLong_ullp): New functions.
* src/libvirt_private.syms (virstring.h): Export them.
* tests/virstringtest.c (testStringToLong): Test them.
Signed-off-by: Eric Blake <eblake@redhat.com>
Commit f22b7899 called to light a long-standing latent bug: the
behavior of virStrToLong_ui was different on 32-bit platforms
than on 64-bit platforms. Curse you, C type promotion and
narrowing rules, and strtoul specification. POSIX says that for
a 32-bit long, strtol handles only 2^32 values [LONG_MIN to
LONG_MAX] while strtoul handles 2^33 - 1 values [-ULONG_MAX to
ULONG_MAX] with twos-complement wraparound for negatives. Thus,
parsing -1 as unsigned long produces ULONG_MAX, rather than a
range error. We WANT[1] this same shortcut for turning -1 into
UINT_MAX when parsing to int; and get it for free with 32-bit
long. But with 64-bit long, ULONG_MAX is outside the range
of int and we were rejecting it as invalid; meanwhile, we were
silently treating -18446744073709551615 as 1 even though it
textually exceeds INT_MIN. Too bad there's not a strtoui() in
libc that does guaranteed parsing to int, regardless of the size
of long.
The bug has been latent since 2007, introduced by Jim Meyering
in commit 5d25419 in the attempt to eradicate unsafe use of
strto[u]l when parsing ints and longs. How embarrassing that we
are only discovering it now - so I'm adding a testsuite to ensure
that it covers all the corner cases we care about.
[1] Ideally, we really want the caller to be able to choose whether
to allow negative numbers to wrap around to their 2s-complement
counterpart, as in strtoul, or to force a stricter input range
of [0 to UINT_MAX] by rejecting negative signs; this will be added
in a later patch for all three int types.
This patch is tested on both 32- and 64-bit; the enhanced
virstringtest passes on both platforms, while virstoragetest now
reliably fails on both platforms instead of just 32-bit platforms.
That test will be fixed later.
* src/util/virstring.c (virStrToLong_ui): Ensure same behavior
regardless of platform long size.
* tests/virstringtest.c (testStringToLong): New function.
(mymain): Comprehensively test string to long parsing.
Signed-off-by: Eric Blake <eblake@redhat.com>
Any source file which calls the logging APIs now needs
to have a VIR_LOG_INIT("source.name") declaration at
the start of the file. This provides a static variable
of the virLogSource type.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Commit a1cbe4b5 added a check for spaces around assignments and this
patch extends it to checks for spaces around '=='. One exception is
virAssertCmpInt where comma after '==' is acceptable (since it is a
macro and '==' is its argument).
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Add a virStringSearch method to virstring.{c,h} which performs
a regex match against a string and returns the matching substrings.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The test case average timing code has not been used by any test
case ever. Delete it to remove complexity.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
