| Commit message (Collapse) | Author | Age |
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Generated with
sed -i 's|Copyright.*Andre Noll.*|SPDX-License-Identifier: GPL-2.0 */|g' *.c *.h
followed by manually tweaking the result a bit. No license change intended.
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These just clutter the generated documentation, particularly the list of
global variables.
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Every .c file includes it anyway.
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This series implements a new memory allocation API which checks
for overflows. The first part of the series just renames the main
allocation functions. Later patches in the series implement allocators
which take two size_t arguments (like calloc(3)) and check whether the
multiplication overflows by employing the __builtin_mul_overflow()
primitive supported by gcc and clang. This requires us to bump the
lowest supported gcc and clang version.
* refs/heads/t/overflow:
build: Compile with -ftrapv.
string: Introduce arr_zalloc().
string: Introduce arr_alloc().
string: Introduce arr_realloc() and check for integer overflow.
string: Rename para_calloc() -> zalloc().
string: Rename para_malloc() -> alloc().
string: Overhaul para_strdup().
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Reword the documentation a bit since the function has never been a
wrapper for calloc(3). No code changes.
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The word "monitor" is neutral and continues to be correct after the
switch from select(2) to poll(2).
Pure rename, nothing to see here.
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When the ->post_select method of a filter returns negative, it *must*
remove its buffer tree node as well. The prebuffer missed to do that,
which results in a stale reference to the buffer tree which keeps
the audiod slot busy. When no more slots are free, audiod hangs or
exits with a "no more free slots" message. This patch avoids this.
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Without this, the prebuffer filter might stay active forever, occupying
a slot of para_audiod until no more slots are available. This was
observed with the udp receiver.
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This filter misses to honor task notifications. As a result of this
omission, when CTRL+C is pressed while audiod is running in foreground
mode and the prebuffer filter is active, the audiod process hangs.
The fix is obvious.
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The GPLv2 line does not add any additional information, so drop
it. This leaves a single line of legalese text for most files, which
is about the amount of screen real estate it deserves.
This patch was created with the following script (plus some manual
fixups):
awk '{
if (NR <= 5) {
gs = gensub(/.*Copyright.* ([0-9]+).*Andre Noll.*/, "\\1", "g")
if (gs != $0)
year = gs
next
}
if (NR == 6 && year != "")
printf("/* Copyright (C) %s Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */\n", year)
print
}'
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This replaces the *_filter.m4 gengetopt files by the filter_cmd
lopsub suite, where each filter is realized as a subcommand. Due to
this change, para_filter needs to be linked with -llopsub.
The filter structure is now stored in the user_data pointer provided
by lopsub, allowing to get rid of the global filters[] array, the
FILTER_ENUM macro and the corresponding enumeration constants.
The removal of the ->goo_help member of struct filter makes this
structure constant. Hence ->init() of struct filter can also go
away. We still can tell whether a filter is supported by checking
the user_data pointer: if it is NULL, the filter is unsupported. The
new filter_supported() helper in filter_common.c is provided for
convenience.
Parsing of the filter command line options is now performed
generically, and the ->parse_config() method is renamed to ->setup(),
an optional function which is supposed to perform semantic checks
and the one-time setup of the filter, if any. It is accompanied by
->teardown() which replaces ->free_config().
The conversion of the individual filters is easy since most filters
have a simple syntax or take no arguments at all. The resample_filter,
however, needs a different way to copy the wav parameters from the
lopsub parse result to the wav parms structure. A suitable macro,
LLS_COPY_WAV_PARMS is added to check_wav.h for this purpose. The old
COPY_WAV_PARMS needs to stay until para_write, the only other user
of the macro, has been converted as well.
The section heading of the manual page has changed slightly, causing
t0005 to fail. Hence this test needs a slight adjustment.
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Done with
files=$(git grep -l 'Copyright (C) [0-9]\{4\}\(-2014\)* Andre Noll')
sed --in-place= -e 's/Copyright (C) \([0-9]\{4\}\)-2014 Andre Noll/Copyright (C) \1 Andre Noll/1' $files
In previous years we ran a similar script to set the second year in
the range to the current year. This is kind of silly, so let's get
rid of this useless information.
This commit replaces "Copyright (C) A-B" by "Copyright (C) A" in
all file headers, i.e. only the first year (A) is left in. Accurate
information including time stamps for each change can be obtained
from the git history.
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Although E_AMP_SYNTAX and E_PREBUFFER_SYNTAX are assigned to a
variable, in both cases the variable is set to a different value
later without being used in between (detected by cppcheck).
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The mail server on systemlinux.org was down for more than a week
lately, so let's use an alternative official address. This commit
changes all maan@systemlinux.org addresses to maan@tuebingen.mpg.de.
Most .c and .h files contain the email address in the copyright header,
so they must all be patched. Three other files contain the address
for a different reason:
* README lists email and git, gitweb and home page URLs
* configure.ac needs it for configure -h
* version.c contains it for the -V option of all commands
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The patch is large, but it's fairly straight forward: Instead of
a task pointer all ->pre_select() and ->post_select() methods now
receive the context pointer that was passed to the scheduler when
the task was registered. This allows to kill the public task_context().
Two pre_select/post_select functions are not directly called by the
scheduler: session_post_select(), generic_recv_pre_select(). These
are changed to receive a proper struct rather than a void pointer.
Note that generic_filter_pre_select() is not changed in this
manner because some filters do not provide a pre_select wrapper but set
task->pre_select to generic_filter_pre_select().
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This year, we're really on time. The changes in this patch were
created by the following silly script:
files=$(git grep -l 'Copyright (C) [0-9]\{4\}\(-2013\)* Andre Noll')
sed --in-place= -e 's/Copyright (C) \([0-9]\{4\}\)-2013 Andre Noll/Copyright (C) \1-2014 Andre Noll/1' $files
sed --in-place= -e 's/Copyright (C) 2013 Andre Noll/Copyright (C) 2013-2014 Andre Noll/1' $files
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This changes btr_splice_out_node() to take a pointer to a btrn, just
like btr_remove_node(). This allows to set the variable to NULL after
the node has been spliced out. The callers are updated accordingly.
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This adds usage and description fields to struct ggo_help and
changes ggo_print_help() to optionally print these.
The boolean detailed_help flag of ggo_print_help() is replaced by a
bitmask which lets the caller specify what to print. Four pre-defined
masks are used to print the normal help, the detailed help, the help
for modules (receivers, filters, writers) and the detailed module help.
The new macro DEFINE_GGO_HELP can be employed to create a struct
ggo_help from a gengetopt structure.
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It has no more users.
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Better late than never.
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All these functions call the gengetopt parser which aborts on errors.
Hence it is pointless to check the return value of the parser.
The patch also renames most of the *args_info structs to "conf".
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Currently we have three different targets for creating *_cmdline.[ch]
files. This is because receivers, filters and writers need slightly
different command line options.
This patch defines the common options in the ggo makefile and moves
additional parameters to the individual .m4 files so that a single
target to create *_cmdline.[ch] is now sufficient.
The name of the command line parsers of some filters and writers
changed due to this unification, so these are updated accordingly.
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This adds the #include statement for stdbool.h to para.h. This allows
to get rid of the individual includes in *.c.
More importantly, since all *.c files include para.h, booleans will
now be available everywhere so that we won't need to touch dozens of
files anymore whenever a boolean is added to a public structure.
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Hey, this is earlier than last year :)
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Found by valgrinds memory checker.
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fn->buf is not used any more.
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Still a bit rough and there are too many btr merges.
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A bit rough and only the mp3dec filter kind of works. Execute support
for mp3dec is also missing.
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A wrapper for regcomp() that logs an error message if the regcomp() failed
and uses a return value according to the paraslash rules. Currently there is
only one user of regular expressions, is_v4_dot_quad(), which is converted
to para_regex(), but new callers will be added soon.
Unfortunately, this change made it necessary to include regex.h in all .c files
that use string.h. Clean up the order in which headers are included a bit while
we're at it.
Maybe I should rethink the rule "Only .c files shall include header files"...
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This could be handy for lossy networks that require a lot of buffering
in addition to methods (like FEC) to cope with packet loss.
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