X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/adns/blobdiff_plain/dcc8e4427a046c05f9d3582c919ff276645a449a..9da4a044c4d2e0a960cf8f33c62774db02f4402d:/src/internal.h

diff --git a/src/internal.h b/src/internal.h
index 7d527b2..b813215 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -618,7 +618,7 @@ static inline void timevaladd(struct timeval *tv_io, long ms) {
 static inline int ctype_whitespace(int c) { return c==' ' || c=='\n' || c=='\t'; }
 static inline int ctype_digit(int c) { return c>='0' && c<='9'; }
 static inline int ctype_alpha(int c) {
-  return (c >= 'a' && c <= 'z') || (c >= 'A' || c <= 'Z');
+  return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
 }
 
 /* Useful macros */