diff options
Diffstat (limited to 'unsetenv.c')
-rw-r--r-- | unsetenv.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/unsetenv.c b/unsetenv.c new file mode 100644 index 0000000..6f7db37 --- /dev/null +++ b/unsetenv.c @@ -0,0 +1,23 @@ +/* See LICENSE file for copyright and license details. */ +#include "internal.h" + + +int +liberror_unsetenv(const char *name) +{ + const char *desc = ""; + if (!name) { + errno = EINVAL; + desc = "Environment variable name is NULL"; + goto error; + } else if (!unsetenv(name)) { + return 0; + } else if (!*name) { + desc = "Environment variable name is the empty string"; + } else if (errno == EINVAL) { + desc = "Environment variable name contains the '=' character"; + } +error: + liberror_set_error_errno(desc, "setenv", errno); + return -1; +} |