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Support for FreeBSD get_app_path

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Fixes #889

Add support with and without procfs.

See also: https://www.libsdl.org/tmp/SDL/src/filesystem/unix/SDL_sysfilesystem.c
This commit is contained in:
Tony Narlock 2015-12-08 02:30:21 -06:00
parent 9e1626163d
commit 382881ad66
1 changed files with 8 additions and 5 deletions
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13
src/base/fs_unix.h
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@ -16,6 +16,8 @@
#if __APPLE__
#include <mach-o/dyld.h>
#elif __FreeBSD__
#include <sys/sysctl.h>
#endif
#include "base/path.h"
@ -120,15 +122,16 @@ std::string get_app_path()
std::vector<char> path(MAXPATHLEN);
#if __APPLE__
uint32_t size = path.size();
while (_NSGetExecutablePath(&path[0], &size) == -1)
path.resize(size);
#else
#elif __FreeBSD__
size_t size = path.size();
const int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
while (sysctl(mib, 4, &path[0], &size, NULL, 0) == -1)
path.resize(size);
#else /* linux */
readlink("/proc/self/exe", &path[0], path.size());
#endif
return std::string(&path[0]);