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Fix package launcher for FreeBSD

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Fixes #763
This commit is contained in:
Kovid Goyal 2018-07-29 12:52:24 +05:30
parent 3d1e604a6c
commit 374f7abb5d
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 32 additions and 6 deletions
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38
linux-launcher.c
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@ -11,6 +11,7 @@
#include <libgen.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>
#ifdef __APPLE__
#include <mach-o/dyld.h>
#include <sys/syslimits.h>
@ -84,18 +85,43 @@ static int run_embedded(const char* exe_dir, int argc, wchar_t **argv) {
#endif
int main(int argc, char *argv[]) {
char exe[PATH_MAX+1] = {0};
#ifdef __APPLE__
static inline bool
read_exe_path(char *exe, size_t buf_sz) {
(void)buf_sz;
uint32_t size = PATH_MAX;
char apple[PATH_MAX+1] = {0};
if (_NSGetExecutablePath(apple, &size) != 0) { fprintf(stderr, "Failed to get path to executable\n"); return 1; }
if (realpath(apple, exe) == NULL) { fprintf(stderr, "realpath() failed on the executable's path\n"); return 1; }
if (_NSGetExecutablePath(apple, &size) != 0) { fprintf(stderr, "Failed to get path to executable\n"); return false; }
if (realpath(apple, exe) == NULL) { fprintf(stderr, "realpath() failed on the executable's path\n"); return false; }
}
#elif defined(__FreeBSD__)
#include <sys/param.h>
#include <sys/sysctl.h>
static inline bool
read_exe_path(char *exe, size_t buf_sz) {
int name[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
size_t length = buf_sz;
int error = sysctl(name, 4, exe, &length, NULL, 0);
if (error < 0 || length <= 1) {
fprintf(stderr, "failed to get path to executable, sysctl() failed\n");
return false;
}
return true;
}
#else
if (realpath("/proc/self/exe", exe) == NULL) { fprintf(stderr, "Failed to read /proc/self/exe\n"); return 1; }
static inline bool
read_exe_path(char *exe, size_t buf_sz) {
if (realpath("/proc/self/exe", exe) == NULL) { fprintf(stderr, "Failed to read /proc/self/exe\n"); return false; }
return true;
}
#endif
int main(int argc, char *argv[]) {
char exe[PATH_MAX+1] = {0};
if (!read_exe_path(exe, sizeof(exe))) return 1;
char *exe_dir = dirname(exe);
int num, num_args, i, ret=0;
char lib[PATH_MAX+1] = {0};