mirror of
https://github.com/kovidgoyal/kitty.git
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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* symlink-deref.c
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* Copyright (C) 2019 Kovid Goyal <kovid at kovidgoyal.net>
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*
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* Distributed under terms of the GPL3 license.
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*/
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#include <unistd.h>
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#include <sys/stat.h>
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#include <mach-o/dyld.h>
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#include <sys/syslimits.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <libgen.h>
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#include <unistd.h>
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static inline bool
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safe_realpath(const char* src, char *buf, size_t buf_sz) {
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char* ans = realpath(src, NULL);
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if (ans == NULL) return false;
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snprintf(buf, buf_sz, "%s", ans);
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free(ans);
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return true;
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}
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static inline bool
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read_exe_path(char *exe, size_t buf_sz) {
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(void)buf_sz;
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uint32_t size = PATH_MAX;
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char apple[PATH_MAX+1] = {0};
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if (_NSGetExecutablePath(apple, &size) != 0) { fprintf(stderr, "Failed to get path to executable\n"); return false; }
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if (!safe_realpath(apple, exe, buf_sz)) { fprintf(stderr, "realpath() failed on the executable's path\n"); return false; }
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return true;
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}
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int
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main(int argc, char *argv[]) {
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char exe[PATH_MAX+1] = {0};
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char real_exe[PATH_MAX+1] = {0};
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if (!read_exe_path(exe, sizeof(exe))) return 1;
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snprintf(real_exe, sizeof(real_exe), "%s/kitty", dirname(exe));
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return execv(real_exe, argv);
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}
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