48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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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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dirname.cpp
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Returns the directory part of a path.
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*******************************************************************************/
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#include <libgen.h>
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#include <string.h>
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char* dirname(char* path)
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{
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static char static_stuff[2];
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if ( !path || !*path )
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{
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static_stuff[0] = '.';
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static_stuff[1] = '\0';
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return static_stuff;
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}
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size_t path_len = strlen(path);
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while ( 2 <= path_len && path[path_len-1] == '/' )
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path[--path_len] = '\0';
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if ( strcmp(path, "/") == 0 )
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return path;
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char* last_slash = strchr(path, '/');
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if ( !last_slash )
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return dirname(NULL);
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*last_slash = '\0';
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return path;
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}
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