- try matching fingered name to gecos with transliteration based on current locale

[packages/bsd-finger.git] / bsd-finger-iconv.patch

diff -ur bsd-finger-0.17/finger/util.c bsd-finger-0.17-iconv/finger/util.c
--- bsd-finger-0.17/finger/util.c	2008-10-03 23:13:12.000000000 +0200
+++ bsd-finger-0.17-iconv/finger/util.c	2008-10-03 23:11:21.000000000 +0200
@@ -53,6 +53,14 @@
 #include <stdlib.h>
 #include "finger.h"
 
+#define HAVE_LANGINFO_H	1
+#define HAVE_ICONV	1
+
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_ICONV)
+#include <langinfo.h>
+#include <iconv.h>
+#endif
+
 #define	HBITS	8			/* number of bits in hash code */
 #define	HSIZE	(1 << 8)		/* hash table size */
 #define	HMASK	(HSIZE - 1)		/* hash code mask */
@@ -227,6 +235,54 @@
 	    if (!strcasecmp(p, user)) 
 		rv = 1;
 	}
+
+#if defined(HAVE_LANGINFO_H) && defined(HAVE_ICONV)
+	if (!rv && has_locale) {
+		char *irname, *iuser, *inbuf, *outbuf;
+		iconv_t cd;
+		size_t il, ol;
+
+		irname = malloc(2*strlen(rname) + 1);
+		if (!irname)
+			goto done;
+		iuser = malloc(2*strlen(user) + 1);
+		if (!iuser)
+			goto done_rname;
+		memset(iuser, 0, 2*strlen(user) + 1);
+		memset(irname, 0, 2*strlen(rname) + 1);
+
+		cd = iconv_open("ascii//translit", nl_langinfo(CODESET));
+		if (cd == (iconv_t)-1)
+			goto done_user;
+
+		il = strlen(rname);
+		ol = 2*strlen(rname);
+		inbuf = rname;
+		outbuf = irname;
+		i = iconv(cd, &inbuf, &il, &outbuf, &ol);
+
+		il = strlen(user);
+		ol = 2*strlen(user);
+		inbuf = (char *)user;
+		outbuf = iuser;
+		j = iconv(cd, &inbuf, &il, &outbuf, &ol);
+
+		if (i < 0 || j < 0 )
+			goto done_iconv;
+
+		for (p = strtok(irname, "\t "); p && !rv; p = strtok(NULL, "\t ")) {
+		    if (!strcasecmp(p, iuser)) 
+			rv = 1;
+		}
+done_iconv:
+		iconv_close(cd);
+done_user:
+		free(iuser);
+done_rname:
+		free(irname);
+	}
+done:
+#endif
 	free(rname);
 
 	return rv;