Added switch for printing only succeeding syscalls.
diff --git a/strace.c b/strace.c
index 9d1f427..15aea5a 100644
--- a/strace.c
+++ b/strace.c
@@ -67,6 +67,9 @@
int iflag = 0, xflag = 0, qflag = 0;
int pflag_seen = 0;
+/* Sometimes we want to print only succeeding syscalls. */
+int not_failing_only = 0;
+
char *username = NULL;
uid_t run_uid;
gid_t run_gid;
@@ -154,6 +157,7 @@
-s strsize -- limit length of print strings to STRSIZE chars (default %d)\n\
-S sortby -- sort syscall counts by: time, calls, name, nothing (default %s)\n\
-u username -- run command as username handling setuid and/or setgid\n\
+-z -- print only succeeding syscalls\n\
", DEFAULT_ACOLUMN, DEFAULT_STRLEN, DEFAULT_SORTBY);
exit(exitval);
}
@@ -190,7 +194,7 @@
set_sortby(DEFAULT_SORTBY);
set_personality(DEFAULT_PERSONALITY);
while ((c = getopt(argc, argv,
- "+cdfFhiqrtTvVxa:e:o:O:p:s:S:u:")) != EOF) {
+ "+cdfFhiqrtTvVxza:e:o:O:p:s:S:u:")) != EOF) {
switch (c) {
case 'c':
cflag++;
@@ -234,6 +238,9 @@
printf("%s\n", version);
exit(0);
break;
+ case 'z':
+ not_failing_only = 1;
+ break;
case 'a':
acolumn = atoi(optarg);
break;