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libs/wine: Use sysctl instead of /proc/curproc/file on FreeBSD. 

Signed-off-by: Damjan Jovanovic <damjan.jov@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Damjan Jovanovic 2021-10-23 10:16:23 +02:00 committed by Alexandre Julliard
parent 70f486c28f
commit 24b26f8bd6
1 changed files with 14 additions and 2 deletions
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16
libs/wine/config.c
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@ -28,8 +28,12 @@
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_SYSCTL_H
# include <sys/sysctl.h>
#endif
#include <unistd.h>
#include <dlfcn.h>
#ifdef HAVE_PWD_H
@ -56,8 +60,6 @@ static void fatal_error( const char *err, ... ) __attribute__((noreturn,format(
#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
static const char exe_link[] = "/proc/self/exe";
#elif defined (__FreeBSD__) || defined(__DragonFly__)
static const char exe_link[] = "/proc/curproc/file";
#else
static const char exe_link[] = "";
#endif
@ -141,8 +143,18 @@ static char *symlink_dirname( const char *name )
/* return the directory that contains the main exe at run-time */
static char *get_runtime_exedir(void)
{
#if defined(__FreeBSD__) || defined(__DragonFly__)
static int pathname[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
size_t dir_size = PATH_MAX;
char *dir = malloc( dir_size );
if (dir && !sysctl( pathname, sizeof(pathname)/sizeof(pathname[0]), dir, &dir_size, NULL, 0 ))
return dir;
free( dir );
return NULL;
#else
if (exe_link[0]) return symlink_dirname( exe_link );
return NULL;
#endif
}
/* return the base directory from argv0 */