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| author | Sverker Eriksson <[email protected]> | 2014-12-08 20:37:59 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2015-11-26 19:48:09 +0100 |
| commit | ef45d2c9f874354b17c2aca96de7b3306a9eb943 (patch) | |
| tree | 7236c8f7c39c6bd0b305e17549c747ec6293bfd8 /erts/doc/src/erl_nif.xml | |
| parent | 01cc99b35c00be86d832693776ee8ed880b59882 (diff) | |
| download | otp-ef45d2c9f874354b17c2aca96de7b3306a9eb943.tar.gz otp-ef45d2c9f874354b17c2aca96de7b3306a9eb943.tar.bz2 otp-ef45d2c9f874354b17c2aca96de7b3306a9eb943.zip | |
erts: Add enif_getenv
to read OS environment variables in a safe and portable way.
Diffstat (limited to 'erts/doc/src/erl_nif.xml')
| -rw-r--r-- | erts/doc/src/erl_nif.xml | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index 23c3d5fcee..3b77b1ffa0 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -791,6 +791,10 @@ typedef enum { and return true, or return false if <c>term</c> is not an unsigned integer or is outside the bounds of type <c>unsigned long</c>.</p></desc> </func> + <func><name><ret>int</ret><nametext>enif_getenv(const char* key, char* value, size_t *value_size)</nametext></name> + <fsummary>Get the value of an environment variable</fsummary> + <desc><p>Same as <seealso marker="erl_driver#erl_drv_getenv">erl_drv_getenv</seealso>.</p></desc> + </func> <func><name><ret>int</ret><nametext>enif_has_pending_exception(ErlNifEnv* env, ERL_NIF_TERM* reason)</nametext></name> <fsummary>Check if an exception has been raised</fsummary> <desc><p>Return true if a pending exception is associated |