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widl: 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 10:16:57 +02:00 committed by Alexandre Julliard
parent 24b26f8bd6
commit 6d67748154
1 changed files with 11 additions and 1 deletions
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12
tools/widl/widl.c
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@ -29,6 +29,11 @@
#include <assert.h>
#include <ctype.h>
#include <signal.h>
#include <limits.h>
#include <sys/types.h>
#ifdef HAVE_SYS_SYSCTL_H
# include <sys/sysctl.h>
#endif
#include "widl.h"
#include "utils.h"
@ -562,7 +567,12 @@ static void init_argv0_dir( const char *argv0 )
#if defined(__linux__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__)
dir = realpath( "/proc/self/exe", NULL );
#elif defined (__FreeBSD__) || defined(__DragonFly__)
dir = realpath( "/proc/curproc/file", NULL );
static int pathname[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
size_t path_size = PATH_MAX;
char *path = malloc( path_size );
if (path && !sysctl( pathname, sizeof(pathname)/sizeof(pathname[0]), path, &path_size, NULL, 0 ))
dir = realpath( path, NULL );
free( path );
#else
dir = realpath( argv0, NULL );
#endif