X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/5dd6771b28c257af405d7248639ed0e3bcdce38b..c576ad2674c37a1c63f004c71049998f38854c64:/sbr/m_maildir.c

diff --git a/sbr/m_maildir.c b/sbr/m_maildir.c
index 6c8c5841..daf84a73 100644
--- a/sbr/m_maildir.c
+++ b/sbr/m_maildir.c
@@ -1,6 +1,4 @@
-
-/*
- * m_maildir.c -- get the path for the mail directory
+/* m_maildir.c -- get the path for the mail directory
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
@@ -8,13 +6,13 @@
  */
 
 #include <h/mh.h>
+#include <h/utils.h>
+#include "m_maildir.h"
 
 #define	CWD	"./"
-#define	NCWD	(sizeof(CWD) - 1)
 #define	DOT	"."
 #define	DOTDOT	".."
 #define	PWD	"../"
-#define	NPWD	(sizeof(PWD) - 1)
 
 static char mailfold[BUFSIZ];
 
@@ -24,10 +22,11 @@ static char mailfold[BUFSIZ];
 static char *exmaildir (char *);
 
 
+/* Returns static char[], never NULL. */
 char *
 m_maildir (char *folder)
 {
-    register char *cp, *ep;
+    char *cp, *ep;
 
     if ((cp = exmaildir (folder))
 	    && (ep = cp + strlen (cp) - 1) > cp
@@ -38,17 +37,18 @@ m_maildir (char *folder)
 }
 
 
+/* Return value must be free(3)'d. */
 char *
 m_mailpath (char *folder)
 {
-    register char *cp;
+    char *cp;
     char maildir[BUFSIZ];
 
     if (*folder != '/'
-	    && strncmp (folder, CWD, NCWD)
+	    && !has_prefix(folder, CWD)
 	    && strcmp (folder, DOT)
 	    && strcmp (folder, DOTDOT)
-	    && strncmp (folder, PWD, NPWD)) {
+	    && !has_prefix(folder, PWD)) {
 	strncpy (maildir, mailfold, sizeof(maildir));	/* preserve... */
 	cp = getcpy (m_maildir (folder));
 	strncpy (mailfold, maildir, sizeof(mailfold));
@@ -60,20 +60,21 @@ m_mailpath (char *folder)
 }
 
 
+/* Returns static char[], never NULL. */
 static char *
 exmaildir (char *folder)
 {
-    register char *cp, *pp;
+    char *cp, *pp;
 
     /* use current folder if none is specified */
     if (folder == NULL)
 	folder = getfolder(1);
 
     if (!(*folder != '/'
-	    && strncmp (folder, CWD, NCWD)
+	    && !has_prefix(folder, CWD)
 	    && strcmp (folder, DOT)
 	    && strcmp (folder, DOTDOT)
-	    && strncmp (folder, PWD, NPWD))) {
+	    && !has_prefix(folder, PWD))) {
 	strncpy (mailfold, folder, sizeof(mailfold));
 	return mailfold;
     }
@@ -81,12 +82,14 @@ exmaildir (char *folder)
     cp = mailfold;
     if ((pp = context_find ("path")) && *pp) {
 	if (*pp != '/') {
-	    sprintf (cp, "%s/", mypath);
+	    snprintf(cp, sizeof mailfold, "%s/", mypath);
 	    cp += strlen (cp);
 	}
-	cp = copy (pp, cp);
+	cp = stpcpy(cp, pp);
     } else {
-	cp = copy (path ("./", TFOLDER), cp);
+        char *p = path("./", TFOLDER);
+	cp = stpcpy(cp, p);
+        free(p);
     }
     if (cp[-1] != '/')
 	*cp++ = '/';