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335ac3d0cb
Factor out unix_ExecutablePathname() which is used by BSDs and Linux (as a fallback). This was SVN commit r15996.
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/* Copyright (c) 2014 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "precompiled.h"
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#include "lib/sysdep/sysdep.h"
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#include "lib/sysdep/os/unix/unix_executable_pathname.h"
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static bool getPathFromProc(char* buffer, size_t length)
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{
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int pos = readlink("/proc/self/exe", buffer, length-1);
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if (pos <= 0)
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return false;
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buffer[pos] = '\0';
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char* endOfPath = strrchr(buffer, '/');
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if (endOfPath == NULL)
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return false;
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++endOfPath;
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*endOfPath = '\0';
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return true;
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}
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OsPath sys_ExecutablePathname()
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{
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// Check /proc for the path
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char pathBuffer[PATH_MAX];
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if (getPathFromProc(pathBuffer, sizeof(pathBuffer)))
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return pathBuffer;
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return unix_ExecutablePathname();
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}
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