From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 18 Feb 2012 04:10:00 +0000 (-0500)
Subject: add get_current_dir_name function
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=1611ab0d9b10ad3413f452c2b31a6c1c56dd6939

add get_current_dir_name function
---

diff --git a/include/unistd.h b/include/unistd.h
index 95b514ec..7662e518 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -158,6 +158,7 @@ unsigned ualarm(unsigned, unsigned);
 int setgroups(size_t, const gid_t []);
 int setresuid(uid_t, uid_t, uid_t);
 int setresgid(gid_t, gid_t, gid_t);
+char *get_current_dir_name(void);
 #endif
 
 #define _XOPEN_VERSION          700
diff --git a/src/misc/get_current_dir_name.c b/src/misc/get_current_dir_name.c
new file mode 100644
index 00000000..212edf31
--- /dev/null
+++ b/src/misc/get_current_dir_name.c
@@ -0,0 +1,12 @@
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <unistd.h>
+
+char *get_current_dir_name(void) {
+	char buf[PATH_MAX];
+	char* res = getenv("PWD");
+	if(res && *res) return strdup(res);
+	if(!getcwd(buf, sizeof(buf))) return NULL;
+	return strdup(buf);
+}