Avoid segfault when export is invoked with no arguments. Thanks to

Gennady Feldman.

diff --git a/lash.c b/lash.c
index 28015cb..89325b6 100644 (file)
--- a/lash.c
+++ b/lash.c
@@ -426,6 +426,7 @@ static int builtin_export(struct child_prog *child)
                for (e = environ; *e; e++) {
                        printf( "%s\n", *e);
                }
+               return 0;
        }
        res = putenv(v);
        if (res)

diff --git a/sh.c b/sh.c
index 28015cb..89325b6 100644 (file)
--- a/sh.c
+++ b/sh.c
@@ -426,6 +426,7 @@ static int builtin_export(struct child_prog *child)
                for (e = environ; *e; e++) {
                        printf( "%s\n", *e);
                }
+               return 0;
        }
        res = putenv(v);
        if (res)

diff --git a/shell/lash.c b/shell/lash.c
index 28015cb..89325b6 100644 (file)
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -426,6 +426,7 @@ static int builtin_export(struct child_prog *child)
                for (e = environ; *e; e++) {
                        printf( "%s\n", *e);
                }
+               return 0;
        }
        res = putenv(v);
        if (res)