| [1] | 1 | /* |
|---|
| 2 | This file is part of MutekP. |
|---|
| 3 | |
|---|
| 4 | MutekP is free software; you can redistribute it and/or modify it |
|---|
| 5 | under the terms of the GNU General Public License as published by |
|---|
| 6 | the Free Software Foundation; either version 2 of the License, or |
|---|
| 7 | (at your option) any later version. |
|---|
| 8 | |
|---|
| 9 | MutekP is distributed in the hope that it will be useful, but |
|---|
| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 12 | General Public License for more details. |
|---|
| 13 | |
|---|
| 14 | You should have received a copy of the GNU General Public License |
|---|
| 15 | along with MutekP; if not, write to the Free Software Foundation, |
|---|
| 16 | Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
|---|
| 17 | |
|---|
| 18 | UPMC / LIP6 / SOC (c) 2007 |
|---|
| 19 | */ |
|---|
| 20 | |
|---|
| 21 | /* |
|---|
| 22 | revision 1.2.1 2007/11/11 18:54:23 ghassan |
|---|
| 23 | rename iprintf to __iprintk, it's a copy of iprintf called on system level. |
|---|
| 24 | |
|---|
| 25 | stdio of the ghost of libc |
|---|
| 26 | Developped by Denis Hommais and Frédéric Pétrot |
|---|
| 27 | $Log: iprintf.c,v $ |
|---|
| 28 | Revision 1.2 2003/07/01 13:40:46 fred |
|---|
| 29 | Supports the %u and doesnt core anymore on an unrecognized char |
|---|
| 30 | following a % |
|---|
| 31 | |
|---|
| 32 | Revision 1.1.1.1 2002/02/28 12:58:56 disydent |
|---|
| 33 | Creation of Disydent CVS Tree |
|---|
| 34 | |
|---|
| 35 | Revision 1.1 2001/11/22 15:07:36 fred |
|---|
| 36 | Adding the iprintf function that does the formatting, and removes all |
|---|
| 37 | the old stuff hanging around. |
|---|
| 38 | |
|---|
| 39 | $Id: iprintf.c,v 1.2 2003/07/01 13:40:46 fred Exp $ |
|---|
| 40 | Made up this file to centralize the printf behavior |
|---|
| 41 | */ |
|---|
| 42 | |
|---|
| 43 | #include <stdarg.h> |
|---|
| 44 | #include <libk.h> |
|---|
| 45 | |
|---|
| 46 | /* Handling of the printf internals |
|---|
| 47 | * Addr is either the buffer or the tty addrs |
|---|
| 48 | * inc is 0 for a tty and 1 for a buffer |
|---|
| 49 | * Other arguments are self explanatory |
|---|
| 50 | */ |
|---|
| 51 | |
|---|
| 52 | #define SIZE_OF_BUF 16 |
|---|
| 53 | int iprintk (char *addr, int inc, const char *fmt, va_list ap) |
|---|
| 54 | { |
|---|
| 55 | register char *tmp; |
|---|
| 56 | int val, i = 0, count = 0; |
|---|
| 57 | char buf[SIZE_OF_BUF], *xdigit; |
|---|
| 58 | |
|---|
| 59 | while (*fmt) |
|---|
| 60 | { |
|---|
| 61 | while ((*fmt != '%') && (*fmt)) |
|---|
| 62 | { |
|---|
| 63 | *addr = *fmt++; |
|---|
| 64 | addr += inc; |
|---|
| 65 | count++; |
|---|
| 66 | } |
|---|
| 67 | if (*fmt) |
|---|
| 68 | { |
|---|
| 69 | fmt++; |
|---|
| 70 | switch (*fmt) |
|---|
| 71 | { |
|---|
| 72 | case '%': |
|---|
| 73 | *addr = '%'; |
|---|
| 74 | addr += inc; |
|---|
| 75 | count++; |
|---|
| 76 | goto next; |
|---|
| 77 | case 'c': |
|---|
| 78 | *addr = va_arg (ap, int); |
|---|
| 79 | addr += inc; |
|---|
| 80 | count++; |
|---|
| 81 | goto next; |
|---|
| 82 | case 'd': |
|---|
| 83 | case 'i': |
|---|
| 84 | val = va_arg (ap, int); |
|---|
| 85 | if (val < 0) |
|---|
| 86 | { |
|---|
| 87 | val = -val; |
|---|
| 88 | *addr = '-'; |
|---|
| 89 | addr += inc; |
|---|
| 90 | count++; |
|---|
| 91 | } |
|---|
| 92 | tmp = buf + SIZE_OF_BUF; |
|---|
| 93 | *--tmp = '\0'; |
|---|
| 94 | do |
|---|
| 95 | { |
|---|
| 96 | *--tmp = val % 10 + '0'; |
|---|
| 97 | val /= 10; |
|---|
| 98 | } |
|---|
| 99 | while (val); |
|---|
| 100 | break; |
|---|
| 101 | case 'u': |
|---|
| 102 | val = va_arg (ap, unsigned int); |
|---|
| 103 | tmp = buf + SIZE_OF_BUF; |
|---|
| 104 | *--tmp = '\0'; |
|---|
| 105 | do |
|---|
| 106 | { |
|---|
| 107 | *--tmp = val % 10 + '0'; |
|---|
| 108 | val /= 10; |
|---|
| 109 | } |
|---|
| 110 | while (val); |
|---|
| 111 | break; |
|---|
| 112 | case 'o': |
|---|
| 113 | val = va_arg (ap, int); |
|---|
| 114 | tmp = buf + SIZE_OF_BUF; |
|---|
| 115 | *--tmp = '\0'; |
|---|
| 116 | do |
|---|
| 117 | { |
|---|
| 118 | *--tmp = (val & 7) + '0'; |
|---|
| 119 | val = (unsigned int) val >> 3; |
|---|
| 120 | } |
|---|
| 121 | while (val); |
|---|
| 122 | break; |
|---|
| 123 | case 's': |
|---|
| 124 | tmp = va_arg (ap, char *); |
|---|
| 125 | if (!tmp) |
|---|
| 126 | tmp = "empty str"; |
|---|
| 127 | break; |
|---|
| 128 | case 'p': |
|---|
| 129 | case 'x': |
|---|
| 130 | case 'X': |
|---|
| 131 | val = va_arg (ap, int); |
|---|
| 132 | tmp = buf + SIZE_OF_BUF; |
|---|
| 133 | *--tmp = '\0'; |
|---|
| 134 | if (*fmt != 'X') |
|---|
| 135 | xdigit = "0123456789abcdef"; |
|---|
| 136 | else |
|---|
| 137 | xdigit = "0123456789ABCDEF"; |
|---|
| 138 | do |
|---|
| 139 | { |
|---|
| 140 | *--tmp = xdigit[val & 15]; |
|---|
| 141 | val = (unsigned int) val >> 4; |
|---|
| 142 | i++; |
|---|
| 143 | } |
|---|
| 144 | while (val); |
|---|
| 145 | if (*fmt == 'p') |
|---|
| 146 | while (i < 8) |
|---|
| 147 | { |
|---|
| 148 | *--tmp = xdigit[0]; |
|---|
| 149 | i++; |
|---|
| 150 | } |
|---|
| 151 | break; |
|---|
| 152 | default: |
|---|
| 153 | *addr = *fmt; |
|---|
| 154 | count++; |
|---|
| 155 | goto next; |
|---|
| 156 | } |
|---|
| 157 | while (*tmp) |
|---|
| 158 | { |
|---|
| 159 | *addr = *tmp++; |
|---|
| 160 | addr += inc; |
|---|
| 161 | count++; |
|---|
| 162 | } |
|---|
| 163 | next: |
|---|
| 164 | fmt++; |
|---|
| 165 | } |
|---|
| 166 | } |
|---|
| 167 | va_end (ap); |
|---|
| 168 | return count; |
|---|
| 169 | } |
|---|
