Improve stdin handling (only available when running in foreground mode) - don't get stuck in a loop when handling EOF/^D/Ctrl+D, improve debug output, improve comments, initialise variables more safely, exit main loop on errors.

1 files changed, 2 insertions, 1 deletions

diff --git a/functions.h b/functions.h
index 5799aa6..30ae4e4 100644
--- a/functions.h
+++ b/functions.h
@@ -62,7 +62,8 @@
 // Debug is only written if the global int "debug" is greater than or equal to the level.
 void debugprint(int level, char *format, ...);
 
-// Get stdin line with buffer overrun protection
+// Get stdin line with buffer overrun protection.
+// Returns OK, NO_INPUT, or TOO_LONG as appropriate.
 int getstdin(char *prompt, char *buff, size_t sz);
 
 // Append CR-LF to the end of a string (after cleaning up any existing trailing CR or LF)