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| author | Martin Hässler <[email protected]> | 2013-11-09 21:04:06 +0100 |
|---|---|---|
| committer | Martin Hässler <[email protected]> | 2013-11-09 21:04:06 +0100 |
| commit | 7b739330bb459401f9c11f0f84912aedc7ee22cd (patch) | |
| tree | e1ffbca9adb63a1132c6c8af8236b725a8c5da56 /erts/emulator/test | |
| parent | 768a64354e3d69b3c0840a84dd072601c67ca39d (diff) | |
| download | otp-7b739330bb459401f9c11f0f84912aedc7ee22cd.tar.gz otp-7b739330bb459401f9c11f0f84912aedc7ee22cd.tar.bz2 otp-7b739330bb459401f9c11f0f84912aedc7ee22cd.zip | |
Add os:unsetenv/1
New BIF os:unsetenv/1 which deletes an environment variable and
returns 'true'.
Does not change any old functionality.
Calls the libc function unsetenv(3) on UNIX and
SetEnvironmentVariableW(key, NULL) on Windows. The unicode support
is the same as for os:getenv and os:putenv.
Diffstat (limited to 'erts/emulator/test')
| -rw-r--r-- | erts/emulator/test/bif_SUITE.erl | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/erts/emulator/test/bif_SUITE.erl b/erts/emulator/test/bif_SUITE.erl index 02c6de8cb1..8b612a145c 100644 --- a/erts/emulator/test/bif_SUITE.erl +++ b/erts/emulator/test/bif_SUITE.erl @@ -388,8 +388,12 @@ os_env(Config) when is_list(Config) -> false -> ?line ok; BadVal -> ?line ?t:fail(BadVal) end, - %% os:putenv and os:getenv currently uses a temp buf of size 1024 - %% for storing key+value + ?line true = os:putenv(EnvVar1, "mors"), + ?line true = os:unsetenv(EnvVar1), + ?line false = os:getenv(EnvVar1), + ?line true = os:unsetenv(EnvVar1), % unset unset variable + %% os:putenv, os:getenv and os:unsetenv currently use a temp + %% buffer of size 1024 for storing key+value ?line os_env_long(1010, 1030, "hej hopp"). os_env_long(Min, Max, _Value) when Min > Max -> @@ -398,7 +402,7 @@ os_env_long(Min, Max, Value) -> ?line EnvVar = lists:duplicate(Min, $X), ?line true = os:putenv(EnvVar, Value), ?line Value = os:getenv(EnvVar), - ?line true = os:putenv(EnvVar, ""), + ?line true = os:unsetenv(EnvVar), ?line os_env_long(Min+1, Max, Value). otp_7526(doc) -> |