X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Funistd%2Fgetcwd.c;h=2e540cd41daef91efd37c7656f8f9274d4447ed6;hb=facc6acbfd20accea435d10fdd070b23877e40db;hp=b64b560feeb5bf71d24f2354721a7b39d1f85004;hpb=aa398f56fa398f2202b04e82c67f822f3233786f;p=musl

diff --git a/src/unistd/getcwd.c b/src/unistd/getcwd.c
index b64b560f..2e540cd4 100644
--- a/src/unistd/getcwd.c
+++ b/src/unistd/getcwd.c
@@ -1,8 +1,13 @@
 #include <unistd.h>
 #include <errno.h>
+#include <limits.h>
+#include <string.h>
 #include "syscall.h"
 
 char *getcwd(char *buf, size_t size)
 {
-	return syscall(SYS_getcwd, buf, size) < 0 ? NULL : buf;
+	char tmp[PATH_MAX];
+	if (!buf) buf = tmp, size = PATH_MAX;
+	if (syscall(SYS_getcwd, buf, size) < 0) return 0;
+	return buf == tmp ? strdup(buf) : buf;
 }