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Skip tcgetattr() in patty_kiss_tnc_new_fd() w/ptmx

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Modify patty_kiss_tnc_new_fd() to avoid tcgetattr()/tcsetattr() when
passed a file descriptor for a PTY master, to address incompatibility
with BSD kernelspace Unix98 PTY implementations
This commit is contained in:
XANTRONIX Development 2020-08-01 20:13:48 -04:00 • committed by XANTRONIX Industrial
parent 3d12ab33e3
commit 81d063cb68
1 changed files with 1 additions and 1 deletions
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2
src/kiss.c
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@ -52,7 +52,7 @@ patty_kiss_tnc *patty_kiss_tnc_new_fd(int fd) {
goto error_malloc_buf; goto error_malloc_buf;
} }
if (isatty(fd)) { if (isatty(fd) && ptsname(fd) == NULL) {
if (tcgetattr(fd, &tnc->attrs) < 0) { if (tcgetattr(fd, &tnc->attrs) < 0) {
goto error_tcgetattr; goto error_tcgetattr;
} }