From ec8a252cd492a7a409d6912aebeff34bb9e1e1e1 Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Tue, 11 Dec 2012 22:16:22 -0600 Subject: env: Use getenv_yesno() more generally Move the getenv_yesno() to env_common.c and change most checks for 'y' or 'n' to use this helper. Signed-off-by: Joe Hershberger --- include/common.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/common.h') diff --git a/include/common.h b/include/common.h index 5e3c5eeee1..d0bf1e8ab2 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); -- cgit v1.2.3