lineedit: don't violate API if we do simple fgets

ash: cosmetic style fixes, no code changes

1 files changed, 4 insertions, 2 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 1397409cc..a0f190fd4 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1343,8 +1343,10 @@ int read_line_input(const char *prompt, char *command, int maxsize, line_input_t
                 int len;
                 parse_and_put_prompt(prompt);
                 fflush(stdout);
-                fgets(command, maxsize, stdin);
-                len = strlen(command);
+                if (fgets(command, maxsize, stdin) == NULL)
+                        len = -1; /* EOF or error */
+                else
+                        len = strlen(command);
                 DEINIT_S();
                 return len;
         }