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[src/trunk]: src/bin/sh If we are going to keep the MAILPATH % hack, then at ...



details:   https://anonhg.NetBSD.org/src/rev/480107915af9
branches:  trunk
changeset: 354123:480107915af9
user:      kre <kre%NetBSD.org@localhost>
date:      Sun Jun 04 20:28:13 2017 +0000

description:
If we are going to keep the MAILPATH % hack, then at least do something
rational.  Since it isn't documented, what "rational" is is up for
discussion, but what it did before was not it (it was nonsense...).

diffstat:

 bin/sh/mail.c |  37 ++++++++++++++++++++++++++++++-------
 1 files changed, 30 insertions(+), 7 deletions(-)

diffs (81 lines):

diff -r 0d7273e53633 -r 480107915af9 bin/sh/mail.c
--- a/bin/sh/mail.c     Sun Jun 04 20:27:14 2017 +0000
+++ b/bin/sh/mail.c     Sun Jun 04 20:28:13 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mail.c,v 1.17 2017/06/04 20:27:14 kre Exp $    */
+/*     $NetBSD: mail.c,v 1.18 2017/06/04 20:28:13 kre Exp $    */
 
 /*-
  * Copyright (c) 1991, 1993
@@ -37,7 +37,7 @@
 #if 0
 static char sccsid[] = "@(#)mail.c     8.2 (Berkeley) 5/4/95";
 #else
-__RCSID("$NetBSD: mail.c,v 1.17 2017/06/04 20:27:14 kre Exp $");
+__RCSID("$NetBSD: mail.c,v 1.18 2017/06/04 20:28:13 kre Exp $");
 #endif
 #endif /* not lint */
 
@@ -47,6 +47,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "shell.h"
 #include "exec.h"      /* defines padvance() */
@@ -61,7 +62,7 @@
 
 
 STATIC int nmboxes;                    /* number of mailboxes */
-STATIC time_t mailtime[MAXMBOXES];     /* times of mailboxes */
+STATIC off_t mailsize[MAXMBOXES];      /* sizes of mailboxes */
 
 
 
@@ -94,7 +95,8 @@
                stunalloc(p);
                if (*p == '\0')
                        continue;
-               for (q = p ; *q ; q++);
+               for (q = p ; *q ; q++)
+                       ;
                if (q[-1] != '/')
                        abort();
                q[-1] = '\0';                   /* delete trailing '/' */
@@ -109,11 +111,32 @@
 #else /* this is what it should do */
                if (stat(p, &statb) < 0)
                        statb.st_size = 0;
-               if (statb.st_size > mailtime[i] && ! silent) {
-                       out2str(pathopt ? pathopt : "you have mail");
+               if (statb.st_size > mailsize[i] && ! silent) {
+                       const char *pp;
+
+                       if ((pp = pathopt) != NULL) {
+                               int len = 0;
+
+                               while (*pp && *pp != ':')
+                                       len++, pp++;
+                               if (len == 0) {
+                                       CHECKSTRSPACE(16, p);
+                                       strcat(p, ": file changed");
+                               } else {
+                                       while (stackblocksize() <= len)
+                                               growstackblock();
+                                       p = stackblock();
+                                       memcpy(p, pathopt, len);
+                                       p[len] = '\0';
+                               }
+                               pp = p;
+                       } else
+                               pp = "you have mail";
+
+                       out2str(pp);
                        out2c('\n');
                }
-               mailtime[i] = statb.st_size;
+               mailsize[i] = statb.st_size;
 #endif
        }
        nmboxes = i;



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