There, 'char' is unsigned, so once assigned '-1' from getopt, it gets
the value 255. Then, it compared to '-1' gives false.
---
cmds-scrub.c | 2 +-
cmds-send.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/cmds-scrub.c b/cmds-scrub.c
index 24be20f..c972e3b 100644
--- a/cmds-scrub.c
+++ b/cmds-scrub.c
@@ -1604,7 +1604,7 @@ static int cmd_scrub_status(int argc, char **argv)
int i;
int print_raw = 0;
int do_stats_per_dev = 0;
- char c;
+ int c;
char fsid[37];
int fdres = -1;
int err = 0;
diff --git a/cmds-send.c b/cmds-send.c
index 9b47e70..2e44114 100644
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -414,7 +414,7 @@ out:
int cmd_send_start(int argc, char **argv)
{
char *subvol = NULL;
- char c;
+ int c;
int ret;
char *outname = NULL;
struct btrfs_send send;
--
1.8.0
--
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