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055ac2a7ee
Among other localplt test failures when building with -Os, there are libc.so PLT references for argz_next and __argz_next. This is a simple case of functions that are inlined for -O2 but not for -Os; this patch adds libc_hidden_proto / libc_hidden_def for them to avoid localplt failures even when not inlined. Tested for x86_64 (both that it removes these particular localplt failures for -Os - but other such failures remain so the bug can't yet be closed - and that the testsuite continues to pass without -Os). [BZ #15105] * include/argz.h (argz_next): Use libc_hidden_proto. (__argz_next): Likewise. * string-argz-next.c (__argz_next): Use libc_hidden_def. (argz_next): Use libc_hidden_weak.
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Iterate through the elements of an argz block.
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Copyright (C) 1995-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Written by Miles Bader <miles@gnu.org>
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <argz.h>
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#include <string.h>
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char *
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__argz_next (const char *argz, size_t argz_len, const char *entry)
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{
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if (entry)
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{
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if (entry < argz + argz_len)
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entry = strchr (entry, '\0') + 1;
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return entry >= argz + argz_len ? NULL : (char *) entry;
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}
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else
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if (argz_len > 0)
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return (char *) argz;
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else
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return NULL;
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}
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libc_hidden_def (__argz_next)
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weak_alias (__argz_next, argz_next)
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libc_hidden_weak (argz_next)
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