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Reviewed-by: Jay Satiro
Reviewed-by: Daniel Stenberg
Closes https://github.com/curl/curl/pull/5452
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This makes sure that select_ws behaves similar to real select
which stops waiting on a signal handler being triggered.
This makes it possible to gracefully stop sockfilt.exe on
Windows with taskkill /IM sockfilt.exe (without /F force flag).
Reviewed-by: Jay Satiro
Part of #5260
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FTP, IMAP, POP3, SMTP and their IPv6 versions are now all on dynamic
ports
Test 842-845 are unfortunately a bit hard to move over to this concept
right now and require "default port" still...
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This commit does not introduce any logical changes to the code.
Reviewed-by: Jay Satiro and Marcel Raad
Closes #5238
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Closes #5228
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Avoid code duplication to prepare for portability enhancements.
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And update other logmsg output in select_ws on Windows.
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Replace the incomplete workaround regarding FD_CLOSE
only signalling once by instead doing a pre-check with
standard select and storing the result for later use.
select keeps triggering on closed sockets on Windows while
WSAEventSelect fires only once with data still available.
By doing the pre-check we do not run in a deadlock
due to waiting forever for another FD_CLOSE event.
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Fix race-condition of waiting threads finishing while events are
already being processed which lead to invalid or skipped events.
Use mutex to check for one event at a time or do post-processing.
In addition to mutex-based locking use specific event as signal.
Closes #5156
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Assisted-by: Jay Satiro
Reviewed-by: Daniel Stenberg
Closes #5086
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The function does not return the same value as snprintf() normally does,
so readers may be mislead into thinking the code works differently than
it actually does. A different function name makes this easier to detect.
Reported-by: Tomas Hoger
Assisted-by: Daniel Gustafsson
Fixes #3296
Closes #3297
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- replace tabs with spaces where possible
- remove line ending spaces
- remove double/triple newlines at EOF
- fix a non-UTF-8 character
- cleanup a few indentations/line continuations
in manual examples
Closes https://github.com/curl/curl/pull/3037
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This warning used to be enabled only for clang as it's a bit stricter
on GCC. Silence the remaining occurrences and enable it on GCC too.
Closes https://github.com/curl/curl/pull/2747
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- Get rid of variable that was generating false positive warning
(unitialized)
- Fix issues in tests
- Reduce scope of several variables all over
etc
Closes #2631
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When a zeroed out allocation is required, use calloc() rather than
malloc() followed by an explicit memset(). The result will be the
same, but using calloc() everywhere increases consistency in the
codebase and avoids the risk of subtle bugs when code is injected
between malloc and memset by accident.
Closes https://github.com/curl/curl/pull/2497
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Detected using the `codespell` tool.
Also contains one URL protocol upgrade.
Closes https://github.com/curl/curl/pull/2334
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MSVC warns when implicitly casting -1 to unsigned long.
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assign string literals to const char * instead of char * in order to
avoid a lot of these warnings:
cast from 'const char *' to 'char *' drops const qualifier
[-Wcast-qual]
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... they're already frowned upon in our source code style guide, this
now enforces the rule harder.
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In order to make the code style more uniform everywhere
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Not converting to double caused small timeouts to be skipped.
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The previous implementation caused issues on modern MSYS2 runtimes.
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sockfilt.c:288: warning: conversion to 'DWORD' from 'size_t' may alter
its value
sockfilt.c:291: warning: conversion to 'DWORD' from 'size_t' may alter
its value
sockfilt.c:323: warning: conversion to 'DWORD' from 'size_t' may alter
its value
sockfilt.c:326: warning: conversion to 'DWORD' from 'size_t' may alter
its value
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For consistency, as we seem to have a bit of a mixed bag, changed all
instances of ipv4 and ipv6 in comments and documentations to use the
correct case.
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Merge multiple internal arrays into one, even if some variables
will not not be used. They are all created with the number of
file descriptors as their size.
Also fix possible thread handle leak in CloseHandle-loop.
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Improves performance of test cases 574 and 575 by 50%.
A value of zero causes the thread to relinquish the remainder
of its time slice to any other thread of equal priority that is
ready to run. If there are no other threads of equal priority
ready to run, the function returns immediately, and the thread
continues execution.
http://msdn.microsoft.com/library/windows/desktop/ms686307.aspx
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It was initially reported by Guenter that GetFileSizeEx
requires (_WIN32_WINNT >= 0x0500) to be true.
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Since the previous complex select function with initial support for
non-socket file descriptors, did not actually work correctly for
Console handles, this change simplifies the whole procedure by using
an internal waiting thread for the stdin console handle.
The previous implementation made it continuously trigger for the stdin
handle if it was being redirected to a parent process instead of
an actual Console input window.
This approach supports actual Console input handles as well as
anonymous Pipe handles which are used during input redirection.
It depends on the fact that ReadFile supports trying to read zero bytes
which makes it wait for the handle to become ready for reading.
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WINSOCK only:
Since FD_CLOSE is only signaled once, it may trigger at the same
time as FD_READ. Data actually being available makes it impossible
to detect that the connection was closed by checking that recv returns
zero. Another recv attempt could block the connection if it was
not closed. This workaround abuses exceptfds in conjunction with
readfds to signal that the connection has actually closed.
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The new read and write wrapper functions support reading from stdin
and writing to stdout/stderr on Windows by using the appropriate
Windows API functions and data types.
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