diff options
| -rw-r--r-- | erts/emulator/sys/win32/sys_env.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/erts/emulator/sys/win32/sys_env.c b/erts/emulator/sys/win32/sys_env.c index ac4be3f316..ecfe4d5ba3 100644 --- a/erts/emulator/sys/win32/sys_env.c +++ b/erts/emulator/sys/win32/sys_env.c @@ -145,15 +145,17 @@ merge_environment(char *old, char *add) for(j = 0; a_arg[j] != NULL; ++j){ char **tmp; char *current = a_arg[j]; + char *eq_p = strchr(current,'='); + int unset = (eq_p!=NULL && eq_p[1]=='\0'); if ((tmp = find_arg(c_arg, current)) != NULL) { - if (current[strlen(current)-1] != '=') { + if (!unset) { *tmp = current; } else { *tmp = c_arg[--i]; c_arg[i] = NULL; } - } else if (current[strlen(current)-1] != '=') { + } else if (!unset) { c_arg[i++] = current; c_arg[i] = NULL; } |