54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013, 2015.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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stdlib/realpath.c
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Return the canonicalized filename.
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*******************************************************************************/
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <scram.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef PATH_MAX
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#error "This realpath implementation assumes no PATH_MAX"
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#endif
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char* realpath(const char* restrict path, char* restrict resolved_path)
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{
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if ( resolved_path )
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{
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struct scram_undefined_behavior info;
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info.filename = __FILE__;
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info.line = __LINE__;
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info.column = 0;
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info.violation = "realpath call with non-null argument and PATH_MAX unset";
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scram(SCRAM_UNDEFINED_BEHAVIOR, &info);
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}
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char* ret_path = canonicalize_file_name(path);
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if ( !ret_path )
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return NULL;
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return ret_path;
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}
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