X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fcommon.h;h=d0bf1e8ab234b8c66e017a6eef944c1dc3637ec2;hb=79f38777947ac7685e2cef8bd977f954ab198c0e;hp=5e3c5eeee14313f02f0ff90a410497b4f25ec595;hpb=eef1cf2d5cf1cae5fb76713e912263dedf110aeb;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/common.h b/include/common.h
index 5e3c5ee..d0bf1e8 100644
--- a/include/common.h
+++ b/include/common.h
@@ -340,6 +340,11 @@ int	envmatch     (uchar *, int);
 char	*getenv	     (const char *);
 int	getenv_f     (const char *name, char *buf, unsigned len);
 ulong getenv_ulong(const char *name, int base, ulong default_val);
+/*
+ * Read an environment variable as a boolean
+ * Return -1 if variable does not exist (default to true)
+ */
+int getenv_yesno(const char *var);
 int	saveenv	     (void);
 int	setenv	     (const char *, const char *);
 int setenv_ulong(const char *varname, ulong value);