X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=dump%2Fitime.c;h=6f59a8502979bdd48993cc8188419265068bf03d;hb=008af4194627f2026f9a66f38953724c0c364c81;hp=204fc58fdeb5f5a22e76f71a621757989f412ffa;hpb=5d2a3d246d400d45dfd4c49ddb588c69fb60873d;p=dump.git

diff --git a/dump/itime.c b/dump/itime.c
index 204fc58..6f59a85 100644
--- a/dump/itime.c
+++ b/dump/itime.c
@@ -18,11 +18,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -41,7 +37,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: itime.c,v 1.22 2002/01/25 15:08:59 stelian Exp $";
+	"$Id: itime.c,v 1.25 2003/03/30 15:40:36 stelian Exp $";
 #endif /* not lint */
 
 #include <config.h>
@@ -56,6 +52,7 @@ static const char rcsid[] =
 #include <sys/param.h>
 #include <sys/time.h>
 #include <time.h>
+#include <fcntl.h>
 #ifdef	__linux__
 #ifdef HAVE_EXT2FS_EXT2_FS_H
 #include <ext2fs/ext2_fs.h>
@@ -94,6 +91,7 @@ void
 initdumptimes(int createdumpdates)
 {
 	FILE *df;
+	struct flock lock;
 
 	if ((df = fopen(dumpdates, "r")) == NULL) {
 		if (errno != ENOENT) {
@@ -122,7 +120,11 @@ initdumptimes(int createdumpdates)
 			msg("WARNING: no file `%s'\n", dumpdates);
 	}
 	if (df != NULL) {
-		(void) flock(fileno(df), LOCK_SH);
+		memset(&lock, 0, sizeof(lock));
+		lock.l_type = F_RDLCK;
+		if (fcntl(fileno(df), F_SETLKW, &lock) < 0)
+			quit("cannot set read lock on %s: %s\n",
+				dumpdates, strerror(errno));
 		readdumptimes(df);
 		(void) fclose(df);
 	}
@@ -200,13 +202,17 @@ putdumptime(void)
 	struct dumpdates *dtwalk;
 	int i;
 	int fd;
+	struct flock lock;
 
 	if(uflag == 0)
 		return;
 	if ((df = fopen(dumpdates, "r+")) == NULL)
 		quit("cannot rewrite %s: %s\n", dumpdates, strerror(errno));
 	fd = fileno(df);
-	(void) flock(fd, LOCK_EX);
+	memset(&lock, 0, sizeof(lock));
+	lock.l_type = F_WRLCK;
+	if (fcntl(fd, F_SETLKW, &lock) < 0)
+		quit("cannot set write lock on %s: %s\n", dumpdates, strerror(errno));
 	free((char *)ddatev);
 	ddatev = 0;
 	nddates = 0;
@@ -249,11 +255,21 @@ putdumptime(void)
 static void
 dumprecout(FILE *file, struct dumpdates *what)
 {
+	char buf[26];
+	struct tm *tms;
 
-	if (fprintf(file, "%s %c %s",
+	tms = localtime(&what->dd_ddate);
+	strncpy(buf, asctime(tms), sizeof(buf));
+	if (buf[24] != '\n' || buf[25] != '\0')
+		quit("asctime returned an unexpected string\n");
+	buf[24] = 0;
+	if (fprintf(file, "%s %c %s %c%2.2d%2.2d\n",
 		    what->dd_name,
 		    what->dd_level,
-		    ctime(&what->dd_ddate)) < 0)
+		    buf,
+		    (tms->tm_gmtoff < 0 ? '-' : '+'),
+		    abs(tms->tm_gmtoff) / 3600,
+		    abs(tms->tm_gmtoff) % 3600 / 60) < 0)
 		quit("%s: %s\n", dumpdates, strerror(errno));
 }