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linux ttyname: Change return type of is_pty from int to bool
is_pty returning a bool is fine since there's no possible outcome other than true or false, and bool is used throughout the codebase. Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
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@ -1,5 +1,8 @@
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2017-11-15 Luke Shumaker <lukeshu@parabola.nu>
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* sysdeps/unix/sysv/linux/ttyname.h (is_pty): Change return type from
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int to bool.
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* sysdeps/unix/sysv/linux/ttyname.h (is_pty): Update doc reference.
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* manual/terminal.texi (Is It a Terminal):
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@ -16,6 +16,7 @@
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not, see <http://www.gnu.org/licenses/>. */
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#include <unistd.h>
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#include <stdbool.h>
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#include <sys/sysmacros.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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@ -23,7 +24,7 @@
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/* Return true if this is a UNIX98 pty device, as defined in
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linux/Documentation/devices.txt (on linux < 4.10) or
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linux/Documentation/admin-guide/devices.txt (on linux >= 4.10). */
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static inline int
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static inline bool
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is_pty (struct stat64 *sb)
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{
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#ifdef _STATBUF_ST_RDEV
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