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sh: Don't use padvance() for MAIL/MAILPATH

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Using padvance() requires undoing its append of '/' and prevents adjusting
its '%' logic to allow most directories with '%' in PATH.

No functional change is intended.
This commit is contained in:
Jilles Tjoelker 2018-07-15 09:14:30 +00:00
parent ee150a3376
commit 7d6f6a3532
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=336303
1 changed files with 16 additions and 14 deletions
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30
bin/sh/mail.c
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@ -43,7 +43,6 @@ __FBSDID("$FreeBSD$");
*/
#include "shell.h"
#include "exec.h" /* defines padvance() */
#include "mail.h"
#include "var.h"
#include "output.h"
@ -72,9 +71,9 @@ void
chkmail(int silent)
{
int i;
const char *mpath;
char *mpath;
char *p;
char *q;
char *msg;
struct stackmark smark;
struct stat statb;
@ -83,22 +82,25 @@ chkmail(int silent)
if (nmboxes == 0)
return;
setstackmark(&smark);
mpath = mpathset()? mpathval() : mailval();
mpath = stsavestr(mpathset()? mpathval() : mailval());
for (i = 0 ; i < nmboxes ; i++) {
p = padvance(&mpath, "");
if (p == NULL)
break;
p = mpath;
if (*p == '\0')
continue;
for (q = p ; *q ; q++);
if (q[-1] != '/')
abort();
q[-1] = '\0'; /* delete trailing '/' */
break;
mpath = strchrnul(mpath, ':');
if (*mpath != '\0') {
*mpath++ = '\0';
if (p == mpath - 1)
continue;
}
msg = strchr(p, '%');
if (msg != NULL)
*msg++ = '\0';
#ifdef notdef /* this is what the System V shell claims to do (it lies) */
if (stat(p, &statb) < 0)
statb.st_mtime = 0;
if (statb.st_mtime > mailtime[i] && ! silent) {
out2str(pathopt? pathopt : "you have mail");
out2str(msg? msg : "you have mail");
out2c('\n');
}
mailtime[i] = statb.st_mtime;
@ -106,7 +108,7 @@ chkmail(int silent)
if (stat(p, &statb) < 0)
statb.st_size = 0;
if (statb.st_size > mailtime[i] && ! silent) {
out2str(pathopt? pathopt : "you have mail");
out2str(msg? msg : "you have mail");
out2c('\n');
}
mailtime[i] = statb.st_size;