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| author | Joe Hershberger <joe.hershberger@ni.com> | 2012-12-11 22:16:22 -0600 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-12-13 11:46:55 -0700 |
| commit | ec8a252cd492a7a409d6912aebeff34bb9e1e1e1 (patch) | |
| tree | 346bb7bedd1dfe13f531725e7e0edaa2d80df1a8 /include/common.h | |
| parent | 7afcf3a55b5f484b3d3442053fae8186a3fb92d7 (diff) | |
| download | u-boot-imx-ec8a252cd492a7a409d6912aebeff34bb9e1e1e1.zip u-boot-imx-ec8a252cd492a7a409d6912aebeff34bb9e1e1e1.tar.gz u-boot-imx-ec8a252cd492a7a409d6912aebeff34bb9e1e1e1.tar.bz2 | |
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 <joe.hershberger@ni.com>
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 5 |
1 files changed, 5 insertions, 0 deletions
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); |