| Commit message (Collapse) | Author | Age |
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Switch to SPDX licence identifiers
A single patch which replaces the first comment line of most .c and .h files
containing the copyright notice by standardized SPDX (Software/System Package
Data Exchange) nomenclature.
* t/spdx:
Switch to SPDX identifiers.
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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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Found by valgrind.
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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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A lot of functions of the buffer tree API don't modify the memory
referenced by the pointers passed. This patch marks these pointer
arguments as constant.
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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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Change all callers of alloc() which pass a product of two integers as
the allocation size to call the new function instead. This function
aborts if the multiplication overflows. With arr_alloc() in place,
alloc() reduces to a trivial wrapper which calls new arr_alloc()
with the first argument equal to one.
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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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Just because it's shorter and matches the naming of the new allocators
we are about to introduce. The bulk of this patch was created with
sed -i 's/para_malloc/alloc/g' *.c *.h yy/mp.y
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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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It's about 1% slower on my little endian system, but this is not
reason enough to keep the le_short() macro of spxdec.c. If anything,
the primitives in portable_io.h should be improved.
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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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We pass a buffer of fixed size MAX_FRAME_SIZE (defined to 2000)
to the speex decoder. This sanity check makes sure we never overrun
the buffer. Although this adds one function call per output frame,
the overhead is in the noise.
Also document MAX_FRAME_SIZE while at it.
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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' $files
In previous years we ran a similar script to set the second year in
the range to the current year. This is kind of silly, so let's get
rid of this useless information.
This commit replaces "Copyright (C) A-B" by "Copyright (C) A" in
all file headers, i.e. only the first year (A) is left in. Accurate
information including time stamps for each change can be obtained
from the git history.
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The mail server on systemlinux.org was down for more than a week
lately, so let's use an alternative official address. This commit
changes all maan@systemlinux.org addresses to maan@tuebingen.mpg.de.
Most .c and .h files contain the email address in the copyright header,
so they must all be patched. Three other files contain the address
for a different reason:
* README lists email and git, gitweb and home page URLs
* configure.ac needs it for configure -h
* version.c contains it for the -V option of all commands
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The patch is large, but it's fairly straight forward: Instead of
a task pointer all ->pre_select() and ->post_select() methods now
receive the context pointer that was passed to the scheduler when
the task was registered. This allows to kill the public task_context().
Two pre_select/post_select functions are not directly called by the
scheduler: session_post_select(), generic_recv_pre_select(). These
are changed to receive a proper struct rather than a void pointer.
Note that generic_filter_pre_select() is not changed in this
manner because some filters do not provide a pre_select wrapper but set
task->pre_select to generic_filter_pre_select().
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This year, we're really on time. The changes in this patch were
created by the following silly script:
files=$(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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It has no more users.
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Better late than never.
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This has turned out to be source for bugs. Deallocate everything
in btr_remove_node() hence making removing the node and freeing
its resources an atomic operation.
To avoid dangling pointers to freed btrn nodes, the argument of
btr_remove_node() is changed to to struct btr_node **btrnp.
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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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This patch adds support for yet another audio format: speex, a
CELP-based codec designed for speech.
As speex is usually used in combination with the OGG container format,
we only support this combination. The new OGG/Speex audio format
handler provides a callback structure for the generic ogg code,
very similar to the OGG/Vorbis audio format handler.
The new speex code is split over three source files: spx_afh.c contains
the audio format handler, spxdec_filter.c the decoder and spx_common.c
common functions used by both audio format handler and decoder.
Many thanks to Jean-Marc Valin, the author of the reference
implementation of the speex decoder. Reusing parts of his code made
it easy to support speex within paraslash.
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