diff options
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 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); |
