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--- b.c.orig Wed Apr 11 17:10:49 2001
+++ b.c Sat Apr 21 23:11:38 2001
@@ -16,6 +16,9 @@
#include <pwd.h>
#endif
#include <errno.h>
+#include <sys/file.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
@@ -178,6 +181,7 @@
else
b->o = pdefault;
mset (b->marks, 0, sizeof (b->marks));
+ b->filehandle = -1; /* initialize filehandle &&& ob */
b->rdonly = 0;
b->orphan = 0;
b->oldcur = 0;
@@ -229,6 +233,11 @@
void brm (B *b) {
if (b && !--b->count)
{
+ if (b->filehandle != -1) {
+ /* close filehandle, free lock &&& ob */
+ close (b->filehandle);
+ }
+
if (b->changed)
abrerr (b->name);
if (b == errbuf)
@@ -1867,7 +1876,8 @@
B *b;
long skip, amnt;
char *n;
- int nowrite = 0;
+ struct stat sb;
+ int nowrite = 0, fh = -1;
if (!s || !s[0])
{
@@ -1920,6 +1930,14 @@
goto opnerr;
}
+ /* Lock the file &&& ob,petef */
+ if (fi)
+ {
+ fh = dup( fileno(fi) );
+ nowrite = (flock (fh, LOCK_EX | LOCK_NB));
+ }
+
+
/* Skip data if we need to */
if (skip && lseek (fileno (fi), skip, 0) < 0)
{
@@ -1978,6 +1996,8 @@
vsrm (n);
b->er = error;
+ if (fh != -1)
+ b->filehandle = fh;
return b;
}
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