Like setenv(), but automatically marks the entry as "don't export".
Signed-off-by: Bernhard Nortmann bernhard.nortmann@web.de ---
cmd/nvedit.c | 21 +++++++++++++++++++++ include/common.h | 1 + 2 files changed, 22 insertions(+)
diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 88dbcb9..3c408f6 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -300,6 +300,27 @@ int setenv(const char *varname, const char *varvalue) }
/** + * Set a "transient" environment variable + * + * Like setenv(), but this automatically marks the + * resulting entry as transient (= "do not export"). + */ +int setenv_transient(const char *varname, const char *varvalue) +{ + int rc = setenv(varname, varvalue); + if (rc == 0) { + ENTRY e, *ep; + + e.key = varname; + e.data = NULL; + hsearch_r(e, FIND, &ep, &env_htab, 0); + if (ep) + ep->flags |= ENV_FLAGS_VARACCESS_PREVENT_EXPORT; + } + return rc; +} + +/** * Set an environment variable to an integer value * * @param varname Environment variable to set diff --git a/include/common.h b/include/common.h index 3feaae6..a8e019a 100644 --- a/include/common.h +++ b/include/common.h @@ -380,6 +380,7 @@ ulong getenv_hex(const char *varname, ulong default_val); int getenv_yesno(const char *var); int saveenv (void); int setenv (const char *, const char *); +int setenv_transient(const char *, const char *); int setenv_ulong(const char *varname, ulong value); int setenv_hex(const char *varname, ulong value); /**