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89868773fe
Idiomatic way to find how much space sprintf output would take is len = snprintf(NULL, 0, ...) + 1; Once upon a time there'd been libc implementations that blew chunks on that and somebody had come up with the following "cute" trick: len = snprintf((char *) &len, 1, ...) + 1; for doing the same. However, that's unidiomatic, harder to follow *and* any such libc implementation would violate both C99 and POSIX (since 2001). IOW, this kludge is best buried along with such libc implementations, nevermind getting cargo-culted into newer code. Our vsnprintf() does not suffer that braindamage, TYVM. Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.