329e925ee9
Upstream commit: 91c2e6c3db44297bf4cb3a2e3c40236c5b6a0b23 - dlfcn: Implement the RTLD_DI_PHDR request type for dlinfo - manual: Document the dlinfo function - x86: Fix fallback for wcsncmp_avx2 in strcmp-avx2.S [BZ #28896] - x86: Fix bug in strncmp-evex and strncmp-avx2 [BZ #28895] - x86: Set .text section in memset-vec-unaligned-erms - x86-64: Optimize bzero - x86: Remove SSSE3 instruction for broadcast in memset.S (SSE2 Only) - x86: Improve vec generation in memset-vec-unaligned-erms.S - x86-64: Fix strcmp-evex.S - x86-64: Fix strcmp-avx2.S - x86: Optimize strcmp-evex.S - x86: Optimize strcmp-avx2.S - manual: Clarify that abbreviations of long options are allowed - Add HWCAP2_AFP, HWCAP2_RPRES from Linux 5.17 to AArch64 bits/hwcap.h - aarch64: Add HWCAP2_ECV from Linux 5.16 - Add SOL_MPTCP, SOL_MCTP from Linux 5.16 to bits/socket.h - Update kernel version to 5.17 in tst-mman-consts.py - Update kernel version to 5.16 in tst-mman-consts.py - Update syscall lists for Linux 5.17 - Add ARPHRD_CAN, ARPHRD_MCTP to net/if_arp.h - Update kernel version to 5.15 in tst-mman-consts.py - Add PF_MCTP, AF_MCTP from Linux 5.15 to bits/socket.h
30 lines
1.3 KiB
Diff
30 lines
1.3 KiB
Diff
commit 31af92b9c8cf753992d45c801a855a02060afc08
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Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Date: Wed May 4 15:56:47 2022 +0530
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manual: Clarify that abbreviations of long options are allowed
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The man page and code comments clearly state that abbreviations of long
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option names are recognized correctly as long as they are unique.
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Document this fact in the glibc manual as well.
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Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Reviewed-by: Florian Weimer <fweimer@redhat.com>
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Reviewed-by: Andreas Schwab <schwab@linux-m68k.org>
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(cherry picked from commit db1efe02c9f15affc3908d6ae73875b82898a489)
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diff --git a/manual/getopt.texi b/manual/getopt.texi
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index 5485fc46946631f7..b4c0b15ac2060560 100644
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--- a/manual/getopt.texi
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+++ b/manual/getopt.texi
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@@ -250,7 +250,8 @@ option, and stores the option's argument (if it has one) in @code{optarg}.
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When @code{getopt_long} encounters a long option, it takes actions based
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on the @code{flag} and @code{val} fields of the definition of that
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-option.
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+option. The option name may be abbreviated as long as the abbreviation is
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+unique.
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If @code{flag} is a null pointer, then @code{getopt_long} returns the
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contents of @code{val} to indicate which option it found. You should
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