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new 3f10a054dc fftools/ffmpeg: fix read_key() always return 255 when there
was no input
3f10a054dc is described below
commit 3f10a054dc8e5af5aeb9450e3bdea1ffcce91dd7
Author: nyanmisaka <[email protected]>
AuthorDate: Mon Mar 9 21:51:03 2026 +0800
Commit: Kacper Michajłow <[email protected]>
CommitDate: Mon Mar 9 16:13:18 2026 +0000
fftools/ffmpeg: fix read_key() always return 255 when there was no input
fixup 08d327e
When an uchar is set to -1, it will become 255 when read as an int.
Duplicate variables for two terminal types can also avoid unused variable
warnings.
Signed-off-by: nyanmisaka <[email protected]>
---
fftools/ffmpeg.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
index c2c85d46bd..b394243f59 100644
--- a/fftools/ffmpeg.c
+++ b/fftools/ffmpeg.c
@@ -253,7 +253,6 @@ void term_init(void)
/* read a key without blocking */
static int read_key(void)
{
- unsigned char ch = -1;
#if HAVE_TERMIOS_H
int n = 1;
struct timeval tv;
@@ -265,6 +264,7 @@ static int read_key(void)
tv.tv_usec = 0;
n = select(1, &rfds, NULL, NULL, &tv);
if (n > 0) {
+ unsigned char ch;
n = read(0, &ch, 1);
if (n == 1)
return ch;
@@ -289,6 +289,7 @@ static int read_key(void)
}
//Read it
if(nchars != 0) {
+ unsigned char ch;
if (read(0, &ch, 1) == 1)
return ch;
return 0;
@@ -300,7 +301,7 @@ static int read_key(void)
if(kbhit())
return(getch());
#endif
- return ch;
+ return -1;
}
static int decode_interrupt_cb(void *ctx)
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