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changeset 223:d58b92ef5c03

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Improve documentation.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 15 Feb 2016 10:46:45 +0200
parents 723a69185102
children 128c8cb80205
files th_string.c
diffstat 1 files changed, 3 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/th_string.c	Mon Feb 15 10:45:05 2016 +0200
+++ b/th_string.c	Mon Feb 15 10:46:45 2016 +0200
@@ -49,9 +49,9 @@
 }
 
 
-/* Like strdup, but trims whitespace from the string
- * according to specified flags. See TH_TRIM_* in
- * th_string.h
+/* Like strdup, but trims whitespace from the string according to specified flags.
+ * See TH_TRIM_* in th_string.h. If the resulting string would be empty (length 0),
+ * NULL is returned.
  */
 static inline char * th_strdup_trim_do(const char *src, size_t len, const int flags)
 {