add open_read_close() and similar stuff

4 files changed, 8 insertions, 16 deletions

diff --git a/miscutils/crond.c b/miscutils/crond.c
index 623e8c359..eaed1ea69 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -120,7 +120,7 @@ static void crondlog(const char *ctl, ...)
 				close(logfd);
 #if ENABLE_DEBUG_CROND_OPTION
 			} else {
-				bb_perror_msg("Can't open log file");
+				bb_perror_msg("can't open log file");
 #endif
 			}
 		}
@@ -924,7 +924,7 @@ static void RunJob(const char *user, CronLine * line)
 		line->cl_MailFlag = 1;
 		fdprintf(mailFd, "To: %s\nSubject: cron: %s\n\n", user,
 			line->cl_Shell);
-		line->cl_MailPos = lseek(mailFd, 0, 1);
+		line->cl_MailPos = lseek(mailFd, 0, SEEK_CUR);
 	} else {
 		crondlog("\024unable to create mail file user %s file %s, output to /dev/null\n", user, mailFile);
 	}
diff --git a/miscutils/crontab.c b/miscutils/crontab.c
index a3bfd495d..6ae1b020c 100644
--- a/miscutils/crontab.c
+++ b/miscutils/crontab.c
@@ -171,7 +171,7 @@ int crontab_main(int ac, char **av)
 			}
 			EditFile(caller, tmp);
 			remove(tmp);
-			lseek(fd, 0L, 0);
+			lseek(fd, 0L, SEEK_SET);
 			repFd = fd;
 		}
 		option = REPLACE;
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index e4658010c..6ff5cc223 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -187,7 +187,7 @@ int makedevs_main(int argc, char **argv)
 					sprintf(full_name_inc, "%s%d", full_name, i);
 					rdev = (major << 8) + minor + (i * increment - start);
 					if (mknod(full_name_inc, mode, rdev) == -1) {
-						bb_perror_msg("line %d: could not create node %s", linenum, full_name_inc);
+						bb_perror_msg("line %d: cannot create node %s", linenum, full_name_inc);
 						ret = EXIT_FAILURE;
 					}
 					else if (chown(full_name_inc, uid, gid) == -1) {
@@ -203,7 +203,7 @@ int makedevs_main(int argc, char **argv)
 			} else {
 				rdev = (major << 8) + minor;
 				if (mknod(full_name, mode, rdev) == -1) {
-					bb_perror_msg("line %d: could not create node %s", linenum, full_name);
+					bb_perror_msg("line %d: cannot create node %s", linenum, full_name);
 					ret = EXIT_FAILURE;
 				}
 				else if (chown(full_name, uid, gid) == -1) {
diff --git a/miscutils/nmeter.c b/miscutils/nmeter.c
index e83de38ec..d71bd6add 100644
--- a/miscutils/nmeter.c
+++ b/miscutils/nmeter.c
@@ -88,12 +88,7 @@ static void put_question_marks(int count)
 
 static int readfile_z(char *buf, int sz, const char* fname)
 {
-	int fd;
-	fd = xopen(fname, O_RDONLY);
-	// We are not checking for short reads (valid only because
-	// we are reading /proc files)
-	sz = read(fd, buf, sz-1);
-	close(fd);
+	sz = open_read_close(fname, buf, sz-1);
 	if (sz < 0) {
 		buf[0] = '\0';
 		return 1;
@@ -776,15 +771,12 @@ int nmeter_main(int argc, char* argv[])
 	s_stat *last = NULL;
 	s_stat *s;
 	char *cur, *prev;
-	int fd;
 
 	if (argc != 2)
 		bb_show_usage();
 
-	fd = xopen("/proc/version", O_RDONLY);
-	if (read(fd, buf, sizeof(buf)) > 0)
-		is26 = (strstr(buf, "Linux version 2.4.")==NULL);
-	close(fd);
+	if (open_read_close("/proc/version", buf, sizeof(buf)) > 0)
+		is26 = (strstr(buf, " 2.4.")==NULL);
 
 	// Can use argv[1] directly, but this will mess up
 	// parameters as seen by e.g. ps. Making a copy...