This is another entry in the series to make more things
"const-clean" with the ultimate goal of merge_dive() take
const pointers.
This concerns functions taking pointers to events and
the fallout from making these const.
The somewhat debatable part of this commit might be
that get_next_event() is split in a two distinct
(const and non-const) versions with different names,
since C doesn't allow overloading. The linker should
recognize that these functions are identical and remove
one of them.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Accessor-functions without noticeable logic, such as depth_to_bar()
can trivially be made "const-clean".
Moreover, let get_dive_location() return a "const char *". The
non-const version must have been an oversight, as the caller
must not free() or overwrite the string.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
In a previous commit, the get_gasmix_* functions were changed to
return by value. For consistency, also pass gasmix by value.
Note that on common 64-bit platforms struct gasmix is the size
of a pointer [2 * 32 bit vs. 64 bit] and therefore uses the
same space on the stack. On 32-bit platforms, the stack use
is probably doubled, but in return a dereference is avoided.
Supporting arbitrary gas-mixes (H2, Ar, ...) will be such an
invasive change that going back to pointers is probably the
least of our worries.
This commit is a step in const-ifying input parameters (passing
by value is the ultimate way of signaling that the input parameter
will not be changed [unless there are references to said parameter]).
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
There were two functions for getting gas-mixes at a certain timestamp:
- get_gasmix() for repeated queries.
- get_gas_at_time() for a single query.
Since the latter is a special case of the former, simply call
the former in the latter. Moreover, rename to get_gasmix_at_time()
for consistency.
Replace on get_gasmix() call, which was outside of a loop by the
corresponding get_gasmix_at_time() call.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Currently, get_gasmix_from_event() and get_gasmix() return pointers
to either static or to (possibly changing) dive data. This seems like
a dangerous practice and the returned data should be used immediately.
Instead, return the gasmix by value. This is in preparation of
const-ifying input parameters of a number of core functions, which
will ultimately let the merge() function take const-arguments in
preparation of undo of dive-merging.
On common 64-bit systems gasmix (two "int"s) is the size of a pointer
and can be returned in a register.
On 32-bit systems a pointer to the struct to be filled out will be
passed.
Since get_gasmix() now returns a value, the first invocation is
tested by a NULL-initialized "struct event *". Document this in
a comment.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Conceptually, the doFilter() functions shouldn't modify the dive
they test. Therefore, make the argument const. To do this, constify
the parameter of get_dive_location(), which likewise seems to be
the right thing to do.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
There were numerous inlined functions in dive.h. For many of them
inlining is dubious. Let's uninline most of them, with the exception
of trivial accessors and interpolate().
On current master, this gave a size reduction of 5 pages:
-rwxrwxr-x 1 bs bs 5863656 Jul 18 20:57 subsurface-inline
-rwxrwxr-x 1 bs bs 5843176 Jul 18 20:48 subsurface-noinline
-----------------------------------------------------------
20480
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
dive_getUniqID() is used to create unique dive ids, which are
stable during application lifetime. It was passed a dive, checked
that the id was not set (if it was that it is know to the application)
and set a new id (in contradiction to its name!) if it hadn't any.
There were three callers:
alloc_dive(): called the function on a zeroed dive struct.
fixup_dive(): called the function only if the dive had a 0 id.
MainWindow::setupForAddAndPlan(): called the function on a zeroed dive
struct.
Thus, in all three callers the id is guaranteed to be zero and
the whole keeping-track-of-ids logic is moot. Remove the logic,
don't pass a dive struct to dive_getUniqID() and move the function
to the C-backend.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Only the first computer is taken into account to find
surface intervals. All further dive computers are split
according to time.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
When we split a dive in two, we keep the dive computer ID for the dive,
but we should update the actual _time_ of the split dive to match the
split.
And when we look for "are these the exact same dives", we should check
not only that the dive computer dive ID matches, but also that the dive
computer time matches, so that we don't consider two parts of a dive
that has been split to be obviously the same dive.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
The dive splitting was completely wrong, because we checked the time of
the previous sample by doing
sample[i - 1].time.seconds
which is entirely wrong. The 'sample' variable is the *current* sample,
so the time of the previous sample is simply
sample[-1].time.seconds
Alternatively, we could have started from the first sample, and done
dc->sample[i - 1].time.seconds
but mixing the two concepts up just gets you a random sample pointer
that is likely not a valid sample at all, and obviously does not have
the right time at all.
As a result, dive splitting was pretty much random. Sometimes it worked
purely by mistake, because the rest of the logic was right (ie we _had_
found the right point where we reached the surface in the dive etc, the
"previous sample time" was simply used to decide if the surface interval
was sufficient to split the dive up).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
When adding a picture to a dive, cache_picture() was called, which
calculated the hash of the picture in a background-thread.
This made tests occasionally fail, because the tests depended on
the filename-to-localfilename being overwritten in a call running
in a different thread. Depending on which thread finished first,
the test succeeded or failed.
The easiest way to circumvent this problem is to remove the cache_picture()
call. The hash will be calculated anyway with the thumbnails. And
the only function of the hash is the "find moved images" function. Which
is not an issue here, because the user just loaded the images from
disk.
Reported-by: Jan Iversen <jani@apache.org>
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The code changes to standardise the named of divemodes and to
separate internal divemode names and UI divemode names introduced
a bug that caused non-backward compatability with existing
dive logs. The reason for this is the definition of the
divemode_text strings in dive.c
This change reverses that definition and brings about correct
loading of PSCR dive logs as well as correct parsing of bailout
events involving PSCR.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
The former should be translated but not those that
go to xml/git.
... and fix capitalization of pSCR.
Suggested-by: Stefan Fuchs <sfuchs@gmx.de>
Signed-off-by: Robert C. Helling <helling@atdotde.de>
...as the usuage is not anymore about a computer but
a momentary dive mode. Rename the end indicator as well.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Under some conditions get_current_divemode() (in dive.c) returns an
erroneous divemode. This happens when there are several events at
the very beginning of the dive, as can happen in some CCR dive logs.
This commit fixes that bug.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Replaced a rather cumbersome function that that did the above. Upon
the suggestion of Robert Helling who proposed a much shorter way,
this new function replaced the previous ones. This necessitated
changes to divelist.c, profile.c and plannernotes.c, as well as
dive.c/h.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Function peek_next_divemodechange() is redundant if get_next_divemodechange()
has one additional parameter. Calls to get_next_divemodechange() were
updated in divelist.c, plannernotes.c and profile.c.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
I removed the special event type that has been used for bailout events.
Bailout events are now just bookmarks with a specific name "e.g. OC,
CCR, PSCR). This removes a case where a segmentation error occurred
when trying to remove a bailout event from the dive profile.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
This is the second step for implementing bailout. The indirect
calls to fill_pressures through add_segment() (in deco.c) are
addressed. Bailout is now fully implemented in the dive log but
not in the dive planner.
1) The parameters to add_segment() are changed to take a
divemode as the second last parameter, and not a *dive.
2) Call to add_segment() in profile.c and in divelist.c are
adapted. In divelist.c some calls to add_segment were left
using dc-> divemode instead of possible bailout. This appears
tp be the most appropriate route.
3) The functions get_divemode_from_time() and get_next_divemodechange()
in dive.c have had some small changes.
4) The calls to get_segment(0 in planner.c were changed to reflect
the new parameter list, but not updated to reflect bailout. This
is the next step.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
This is a first step to interpret bailout events.
1) The event structures have a new attribute: divemode.
Currently interpreted dive modes are OC, CCR, PSCR.
2) When doing fill_pressures(), the calculation is aware
of divemode. When divemode is OC (==bailout), then
the appropriate calculations of gas pressures are done.
3) Two new functions get_next_divemodechange() and
get_divemode_at_time() are created to find divemode
changes in the events linked list and to determine
the dive mode at any point during the dive.
4) fill_pressures gets a small amendment to facilitate
the correct calculations, depending on divemode.
The cases where fill_pressures() is used *outside the planner*
are changed. The result is that, for dives with bailout, the
correct gas pressures are shown on the dive profile. The
deco for bailout dives is not yet correct. This is the
next step.
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
In imagedownloader.cpp the only thing we need from the picture struct
is the filename. Therefore, use QStrings instead of the picture struct.
This simplifies memory management.
Remove the clone_picture() function, which is not needed anymore.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
fake_dc() used to return a statically allocated dc with statically
allocated samples. This is of course a questionable practice in
the light of multi-threading / resource ownership. Once these
problems were recognized, the parameter "alloc" was added. If set
to true, the function would still return a statically allocated
dc, but heap-allocated samples, which could then be copied in
a different dc.
All in all an ownership nightmare and a recipie for disaster.
The returned static dc was only used as a pointer to the samples
anyway. There are four callers of fake_dc() and they all have access
to a dc-structure without samples. Therefore, change the semantics
of fake_dc() to fill out the passed in dc. If the caller does
not care about the samples, it can simply reset the sample number
to zero after work.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Previous taglist_get_tagstring signature/implementation did not allow
handling of cases where inputted buffer could not contain all tags.
New implementation allocates buffer based on pre-computed size allowing to
insert all tags in the returned string.
Added get_taglist_string in qthelper to handle conversion to QString
Added TestTagList with tests for taglist_get_tagstring
Signed-off-by: Jeremie Guichard <djebrest@gmail.com>
Thus, metadata has to be only read once and the picture_load_exif_data()
function can be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Make arguments to set_informational_units(), set_git_prefs(),
set_userid(), dive_remove_picture() and update_event_name()
"const char *" for consistency with the rest of core/dive.c.
This will allow replacing toUtf8().data() with the constData()
version in a subsequent commit.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This introduces a fixup function that walks all the samples and
populates the no_o2sensors if its zero and supposed to be something
else.
There is a bug somewhere which Willem hit, causing this to never be set.
Reported-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
Signed-off-by: Anton Lundin <glance@acc.umu.se>
In the if case above, we already conclude its a OC dive, but its cleaner
to actually pass the current mode instead of a hard coded value.
This also makes the code less prune to future bugs.
Signed-off-by: Anton Lundin <glance@acc.umu.se>
The hash field in the picture-structure was in principle non-operational.
It was set on loading, but never actually changed. The authoritative
hash comes from the filename->hash map.
Therefore, make this explicit by removing the hash field from the
picture structure.
Instead of filling the picture structure on loading, add the
hash directly to the filename->hash map. This is done in the
register_hash() function, which does not overwrite old entries.
I.e. the local hash has priority over the save-file. This
policy might be refined in the future.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Change the strategy when to allow cylinder removal from a dive:
- Not remove when cylinder has gas switch events, in any other cases
allow removal
- Remove this whole "cylinder with same gas" thing being a criteria
for cylinder removal
When removing a cylinder which has corresponding pressure info in
samples, also remove this pressure info from the samples.
Signed-off-by: Stefan Fuchs <sfuchs@gmx.de>
Since all qt-helpers are defined in qthelper.cpp, there seems to be
no reason to have two include files. By unifying the two files,
duplication and inconsistencies are removed. The C++-only part is
simply compiled away with #ifdefs.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Mostly replace "return (expression);" by "return expression;" and one
case of "function((parameter))" by "function(parameter)".
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
as otherwise there are warning on the descent.
The ICD line in the info box is generated for all
gas switches with decreasing He content.
Also change the presentation in the info box to align it
with the notes.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Move the above function from plannernotes.c to dive.c so that
it is available to be called from the dive log part of the
software, and not only from the planner. The following was done:
1) Edit the comment above the code to make it more accurate
2) Move the structure icd_data to dive.h
3) Create an external reference in dive.h for the above function
4) Copy the body of isobaric_counterdiffusion() to dive.c
Signed-off-by: Willem Ferguson <willemferguson@zoology.up.ac.za>
There are ca. 50 constructs of the kind
same_string(s, "")
to test for empty or null strings. Replace them by the new helper
function empty_string().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
