From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Sun, 23 Oct 2016 21:48:49 +0000 (+0100)
Subject: Use HasPrefix() instead of strncmp().
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/767e669eb7c50e5dd7e1ec9aae5c06c2b66b0819?hp=0c9b09a8a9fca687adf2859976fba7df439ab000

Use HasPrefix() instead of strncmp().
---

diff --git a/sbr/mf.c b/sbr/mf.c
index ebd130d2..870a0a52 100644
--- a/sbr/mf.c
+++ b/sbr/mf.c
@@ -26,8 +26,8 @@ static int my_lex (char *);
 int
 isfrom(const char *string)
 {
-    return (strncmp (string, "From ", 5) == 0
-	    || strncmp (string, ">From ", 6) == 0);
+    return (HasPrefix(string, "From ")
+	    || HasPrefix(string, ">From "));
 }
 
 
@@ -52,10 +52,8 @@ lequal (const char *a, const char *b)
 static int
 isat (const char *p)
 {
-    return (strncmp (p, " AT ", 4)
-	    && strncmp (p, " At ", 4)
-	    && strncmp (p, " aT ", 4)
-	    && strncmp (p, " at ", 4) ? FALSE : TRUE);
+    return HasPrefix(p, " AT ") || HasPrefix(p, " At ") ||
+        HasPrefix(p, " aT ") || HasPrefix(p, " at ");
 }