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1.1 ! root 1: /* ! 2: * Linux kernel print routine. ! 3: * Copyright (C) 1995 Shantanu Goel. ! 4: * ! 5: * This program is free software; you can redistribute it and/or modify ! 6: * it under the terms of the GNU General Public License as published by ! 7: * the Free Software Foundation; either version 2, or (at your option) ! 8: * any later version. ! 9: * ! 10: * This program is distributed in the hope that it will be useful, ! 11: * but WITHOUT ANY WARRANTY; without even the implied warranty of ! 12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 13: * GNU General Public License for more details. ! 14: * ! 15: * You should have received a copy of the GNU General Public License ! 16: * along with this program; if not, write to the Free Software ! 17: * Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. ! 18: */ ! 19: ! 20: /* ! 21: * linux/kernel/printk.c ! 22: * ! 23: * Copyright (C) 1991, 1992 Linus Torvalds ! 24: */ ! 25: ! 26: #include <stdarg.h> ! 27: #include <asm/system.h> ! 28: ! 29: static char buf[2048]; ! 30: ! 31: void ! 32: printk(char *fmt, ...) ! 33: { ! 34: va_list args; ! 35: int i, n, flags; ! 36: extern void cnputc(); ! 37: extern int linux_vsprintf(char *buf, char *fmt, ...); ! 38: ! 39: save_flags(flags); ! 40: cli(); ! 41: va_start(args, fmt); ! 42: n = linux_vsprintf(buf, fmt, args); ! 43: va_end(args); ! 44: for (i = 0; i < n; i++) ! 45: cnputc(buf[i]); ! 46: restore_flags(flags); ! 47: }
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