| 1 | /* |
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| 2 | * stdio.h - User side syscalls definition. |
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| 3 | * |
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| 4 | * Author Alain Greiner (2016,2017) |
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| 5 | * |
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| 6 | * Copyright (c) UPMC Sorbonne Universites |
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| 7 | * |
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| 8 | * This file is part of ALMOS-MKH. |
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| 9 | * |
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| 10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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| 11 | * under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; version 2.0 of the License. |
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| 13 | * |
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| 14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef _STDIO_H_ |
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| 25 | #define _STDIO_H_ |
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| 26 | |
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| 27 | #include <almos-mkh/stdio.h> |
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| 28 | |
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| 29 | #define NULL (void *)0 |
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| 30 | /********************************************************************************************* |
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| 31 | * This function writes a formated string to the standard "stdout" stream. |
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| 32 | ********************************************************************************************* |
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| 33 | * @ returns number of characters written if success / returns -1 if failure. |
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| 34 | ********************************************************************************************/ |
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| 35 | int printf( const char * format, ... ); |
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| 36 | |
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| 37 | /********************************************************************************************* |
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| 38 | * This function writes one single character to the standard "stdout" stream. |
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| 39 | ********************************************************************************************* |
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| 40 | * @ returns written character code if success / returns 0 (EOF) if failure. |
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| 41 | ********************************************************************************************/ |
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| 42 | int putchar( int c ); |
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| 43 | |
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| 44 | /********************************************************************************************* |
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| 45 | * This function returns one single character from the standard "stdin" stream. |
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| 46 | ********************************************************************************************* |
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| 47 | * @ returns read character code if success / returns 0 (EOF) if failure. |
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| 48 | ********************************************************************************************/ |
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| 49 | int getchar(); |
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| 50 | |
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| 51 | /********************************************************************************************* |
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| 52 | * This function copies a formated string to a fixed size buffer. |
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| 53 | * it includes the NUL terminating character. |
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| 54 | * it cheks that the formated string fit in the buffer length. |
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| 55 | ********************************************************************************************* |
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| 56 | * @ string : pointer on target buffer. |
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| 57 | * @ length : max bumber of characters in target buffer. |
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| 58 | * @ format : formated string. |
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| 59 | * @ returns number of characters written if success / returns -1 if failure. |
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| 60 | ********************************************************************************************/ |
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| 61 | int snprintf( char * string, |
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| 62 | unsigned int length, |
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| 63 | const char * format, ... ); |
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| 64 | |
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| 65 | #endif // _STDIO_H_ |
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