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3a4bc9aa35
Provided implementation for my_get_exepath for NetBSD to avoid segfaults in execution of mariadb-backup.
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* Copyright (c) 2017, MariaDB Plc
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#include <my_global.h>
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#include <my_sys.h>
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#ifdef _WIN32
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#elif defined(__linux__)
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#include <unistd.h>
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#elif defined(__APPLE__)
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#include <libproc.h>
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#elif defined(__FreeBSD__)
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#include <sys/sysctl.h>
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#elif defined(__NetBSD__)
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#endif
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/** Fill the buffer with the executable program name
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@param[out] buf buffer to place obtained executable name.
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@param[in] size size available in the buffer.
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@param[in] argv0 the argv0 from which the executable argv might be used.
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@return 0, for successful filling of buf, non-zero for failure. */
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int my_get_exepath(char *buf, size_t size, const char *argv0)
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{
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#ifdef _WIN32
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DWORD ret = GetModuleFileNameA(NULL, buf, (DWORD)size);
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if (ret > 0)
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return 0;
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#elif defined(__linux__)
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ssize_t ret = readlink("/proc/self/exe", buf, size-1);
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if(ret > 0)
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return 0;
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#elif defined(__APPLE__)
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size_t ret = proc_pidpath(getpid(), buf, (uint32_t)size);
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if (ret > 0) {
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buf[ret] = 0;
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return 0;
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}
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#elif defined(__FreeBSD__)
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int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
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if (sysctl(mib, 4, buf, &size, NULL, 0) == 0) {
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return 0;
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}
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#elif defined(__NetBSD__)
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int mib[4] = {CTL_KERN, KERN_PROC_ARGS, -1, KERN_PROC_PATHNAME };
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if (sysctl(mib, 4, buf, &size, NULL, 0) == 0)
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return 0;
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#endif
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if (argv0)
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return my_realpath(buf, argv0, 0);
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return 1;
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}
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