copy-file-range

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Hash : 948ba801
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Date : 2025-08-01T16:01:13

copy-file-range: work around glibc bug 33245

Problem reported by Leah Neukirchen <https://bugs.gnu.org/79139>.
* lib/copy-file-range.c: Include sys-limits.h.
(copy_file_range) [glibc 2.42 and earlier]:
Copy at most SYS_BUFSIZE_MAX bytes.
* m4/copy-file-range.m4 (gl_FUNC_COPY_FILE_RANGE):
Replace on glibc platforms, as well as on Linux platforms.
* modules/copy-file-range (Files): Add lib/sys-limits.h.

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modules/copy-file-range

Description:
Copy parts of files

Files:
lib/copy-file-range.c
lib/sys-limits.h
m4/copy-file-range.m4

Depends-on:
bool
largefile
unistd-h

configure.ac:
gl_FUNC_COPY_FILE_RANGE
gl_CONDITIONAL([GL_COND_OBJ_COPY_FILE_RANGE],
               [test $HAVE_COPY_FILE_RANGE = 0 ||
                test $REPLACE_COPY_FILE_RANGE = 1])
gl_UNISTD_MODULE_INDICATOR([copy-file-range])

Makefile.am:
if GL_COND_OBJ_COPY_FILE_RANGE
lib_SOURCES += copy-file-range.c
endif

Include:
<unistd.h>

License:
LGPLv2+

Maintainer:
all

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kc3-lang/gnulib/modules/copy-file-range

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modules/copy-file-range