X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fuprf.c;h=f370b5c234819f74eed8af75c1d7047e896b3278;hp=836a98b0d1ad0eafe733201ceaff3aaf09fbab4a;hb=ee8d01d64e8832304256de53db07228e2be67f6a;hpb=714b5c530ece27ea2835a313013f5b770163403c

diff --git a/sbr/uprf.c b/sbr/uprf.c
index 836a98b..f370b5c 100644
--- a/sbr/uprf.c
+++ b/sbr/uprf.c
@@ -1,5 +1,6 @@
 /*
 ** uprf.c -- "unsigned" lexical prefix
+**        -- Check if `word' starts with `prefix', caseinsensitively.
 **
 ** This code is Copyright (c) 2002, by the authors of nmh.  See the
 ** COPYRIGHT file in the root directory of the nmh distribution for
@@ -8,32 +9,12 @@
 
 #include <h/mh.h>
 
-#define TO_LOWER 040
-#define NO_MASK  000
-
 
 int
-uprf(char *c1, char *c2)
+uprf(char *word, char *prefix)
 {
-	int c, mask;
-
-	if (!(c1 && c2))
+	if (!word || !prefix) {
 		return 0;
-
-	while ((c = *c2++)) {
-#ifdef LOCALE
-		c &= 0xff;
-		mask = *c1 & 0xff;
-		c = (isalpha(c) && isupper(c)) ? tolower(c) : c;
-		mask = (isalpha(mask) && isupper(mask)) ? tolower(mask) : mask;
-		if (c != mask)
-#else
-		mask = (isalpha(c) && isalpha(*c1)) ?  TO_LOWER : NO_MASK;
-		if ((c | mask) != (*c1 | mask))
-#endif
-			return 0;
-		else
-			c1++;
 	}
-	return 1;
+	return (strncasecmp(word, prefix, strlen(prefix))==0) ? 1 : 0;
 }