diff options
| -rw-r--r-- | src/blogc-make/exec.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/blogc-make/exec.c b/src/blogc-make/exec.c index de37536..2fc46d8 100644 --- a/src/blogc-make/exec.c +++ b/src/blogc-make/exec.c @@ -14,6 +14,13 @@ #include <sys/wait.h> #include <errno.h> #include <libgen.h> + +#ifdef __FreeBSD__ +#include <limits.h> +#include <sys/types.h> +#include <sys/sysctl.h> +#endif + #include "../common/error.h" #include "../common/file.h" #include "../common/utils.h" @@ -33,12 +40,24 @@ bm_exec_find_binary(const char *bin, const char *env) // second try: same dir as current exec char *path = realpath("/proc/self/exe", NULL); // Linux +#ifdef __FreeBSD__ if (path == NULL) { - path = realpath("/proc/curproc/file", NULL); // FreeBSD + path = realpath("/proc/curproc/file", NULL); // FreeBSD with /proc if (path == NULL) { - path = realpath("/proc/self/path/a.out", NULL); // Solaris + // FreeBSD without /proc (default for 11.0) + int name[4]; + name[0] = CTL_KERN; + name[1] = KERN_PROC; + name[2] = KERN_PROC_PATHNAME; + name[3] = -1; + char buf[PATH_MAX]; + size_t buf_len = sizeof(buf); + if (-1 != sysctl(name, 4, buf, &buf_len, NULL, 0)) { + path = bc_strdup_printf("%.*s", buf_len, buf); + } } } +#endif if (path != NULL) { char *dir = bc_strdup(dirname(path)); free(path); |