Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/asm-generic/termios.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_TERMIOS_H #define _ASM_GENERIC_TERMIOS_H #include <linux/uaccess.h> #include <uapi/asm-generic/termios.h> /* intr=^C quit=^\ erase=del kill=^U eof=^D vtime=\0 vmin=\1 sxtc=\0 start=^Q stop=^S susp=^Z eol=\0 reprint=^R discard=^U werase=^W lnext=^V eol2=\0 */ #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" /* * Translate a "termio" structure into a "termios". Ugh. */ static inline int user_termio_to_kernel_termios(struct ktermios *termios, const struct termio __user *termio) { unsigned short tmp; if (get_user(tmp, &termio->c_iflag) < 0) goto fault; termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp; if (get_user(tmp, &termio->c_oflag) < 0) goto fault; termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp; if (get_user(tmp, &termio->c_cflag) < 0) goto fault; termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp; if (get_user(tmp, &termio->c_lflag) < 0) goto fault; termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp; if (get_user(termios->c_line, &termio->c_line) < 0) goto fault; if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0) goto fault; return 0; fault: return -EFAULT; } /* * Translate a "termios" structure into a "termio". Ugh. */ static inline int kernel_termios_to_user_termio(struct termio __user *termio, struct ktermios *termios) { if (put_user(termios->c_iflag, &termio->c_iflag) < 0 || put_user(termios->c_oflag, &termio->c_oflag) < 0 || put_user(termios->c_cflag, &termio->c_cflag) < 0 || put_user(termios->c_lflag, &termio->c_lflag) < 0 || put_user(termios->c_line, &termio->c_line) < 0 || copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0) return -EFAULT; return 0; } #ifdef TCGETS2 static inline int user_termios_to_kernel_termios(struct ktermios *k, struct termios2 __user *u) { return copy_from_user(k, u, sizeof(struct termios2)); } static inline int kernel_termios_to_user_termios(struct termios2 __user *u, struct ktermios *k) { return copy_to_user(u, k, sizeof(struct termios2)); } static inline int user_termios_to_kernel_termios_1(struct ktermios *k, struct termios __user *u) { return copy_from_user(k, u, sizeof(struct termios)); } static inline int kernel_termios_to_user_termios_1(struct termios __user *u, struct ktermios *k) { return copy_to_user(u, k, sizeof(struct termios)); } #else /* TCGETS2 */ static inline int user_termios_to_kernel_termios(struct ktermios *k, struct termios __user *u) { return copy_from_user(k, u, sizeof(struct termios)); } static inline int kernel_termios_to_user_termios(struct termios __user *u, struct ktermios *k) { return copy_to_user(u, k, sizeof(struct termios)); } #endif /* TCGETS2 */ #endif /* _ASM_GENERIC_TERMIOS_H */
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