mirror of
https://gitlab.freedesktop.org/libinput/libinput.git
synced 2025-12-25 16:20:05 +01:00
1e6802b91b
Positive side-effect - this exposed a bunch of missing #includes that got pulled in by other headers before. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
64 lines
2 KiB
C
64 lines
2 KiB
C
/*
|
|
* Copyright © 2019 Red Hat, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#pragma once
|
|
|
|
#include <unistd.h>
|
|
#include "util-strings.h"
|
|
|
|
/**
|
|
* Try to figure out the directory we're executing from and if it matches
|
|
* the builddir, return that directory. Otherwise, return NULL.
|
|
*/
|
|
static inline char *
|
|
builddir_lookup(void)
|
|
{
|
|
char execdir[PATH_MAX] = {0};
|
|
char *pathsep;
|
|
ssize_t nread;
|
|
|
|
/* In the case of release builds, the builddir is
|
|
the empty string */
|
|
if (streq(MESON_BUILD_ROOT, ""))
|
|
return NULL;
|
|
|
|
nread = readlink("/proc/self/exe", execdir, sizeof(execdir) - 1);
|
|
if (nread <= 0 || nread == sizeof(execdir) - 1)
|
|
return NULL;
|
|
|
|
/* readlink doesn't terminate the string and readlink says
|
|
anything past sz is undefined */
|
|
execdir[++nread] = '\0';
|
|
|
|
pathsep = strrchr(execdir, '/');
|
|
if (!pathsep)
|
|
return NULL;
|
|
|
|
*pathsep = '\0';
|
|
if (!streq(execdir, MESON_BUILD_ROOT))
|
|
return NULL;
|
|
|
|
return safe_strdup(execdir);
|
|
}
|