Document, in particular use of UTF-8. Simplify code in a couple of

[empserver] / src / lib / gen / getstring.c

diff --git a/src/lib/gen/getstring.c b/src/lib/gen/getstring.c
index 0938cddfc223e3f395bc926292608b0b1002e309..309183f71f4ac1e74048017a01ce8c942623b196 100644 (file)
--- a/src/lib/gen/getstring.c
+++ b/src/lib/gen/getstring.c
@@ -44,19 +44,19 @@ getstring(char *prompt, char *buf)
 {
     *buf = '\0';
     if (prmptrd(prompt, buf, 1024) < 0)
-       return 0;
+       return NULL;
     return buf;
 }
 
 /*
- * Print sub-prompt PROMPT, receive a line of UTF8 input into BUF[1024].
+ * Print sub-prompt PROMPT, receive a line of UTF-8 input into BUF[1024].
  * Return BUF on success, else NULL.
  */
 char *
-ugetstring(char *prompt, char *buf /* buf is message text */)
+ugetstring(char *prompt, char *buf)
 {
     *buf = '\0';
     if (uprmptrd(prompt, buf, 1024) < 0)
-       return 0;
+       return NULL;
     return buf;
 }