1 | /* $Id: misc.cpp,v 1.31 2001-02-22 18:12:06 sandervl Exp $ */
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2 |
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3 | /*
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4 | * Project Odin Software License can be found in LICENSE.TXT
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5 | * Logging procedures
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6 | *
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7 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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8 | * Copyright 1998 Joel Troster
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9 | * Copyright 1998 Peter FitzSimmons
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10 | *
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11 | */
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12 |
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13 |
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14 | /*****************************************************************************
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15 | * Includes *
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16 | *****************************************************************************/
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17 |
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18 | #define INCL_BASE
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19 | #define INCL_WIN
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20 | #define INCL_WINERRORS
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21 | #define INCL_DOSFILEMGR
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22 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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23 | #include <stdio.h>
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24 | #include <stdlib.h>
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25 | #include <string.h>
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26 | #include <stdarg.h>
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27 | #include <win32type.h>
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28 | #include <misc.h>
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29 | #include "initterm.h"
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30 | #include "logging.h"
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31 | #include "exceptutil.h"
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32 | #include <wprocess.h>
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33 | #include <versionos2.h>
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34 |
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35 | /*****************************************************************************
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36 | * PMPRINTF Version *
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37 | *****************************************************************************/
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38 |
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39 | #ifdef PMPRINTF
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40 |
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41 | /* ----- Customization variables ----- */
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42 | #define PRINTFID ""
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43 | #define PRINTFMAXLEN 300
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44 | #define PRINTFLINELEN 100
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45 | #define PRINTFTHREADS 54
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46 | #define PRINTFQNAME "\\QUEUES\\PRINTF32"
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47 |
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48 | /* ----- Includes and externals ----- */
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49 | #include <stddef.h> /* .. */
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50 | #include <time.h> /* .. */
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51 |
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52 | extern ULONG flAllocMem; /*Tue 03.03.1998: knut */
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53 |
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54 | /* ----- Local defines ----- */
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55 | #define PRINTFIDSIZE sizeof(PRINTFID)
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56 | #define PRINTFMAXBUF PRINTFIDSIZE+PRINTFLINELEN
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57 |
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58 |
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59 | /*****************************************************************************
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60 | * Structures *
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61 | *****************************************************************************/
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62 |
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63 | /* ----- Per-thread output buffer and current indices into line ---- */
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64 | struct perthread {
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65 | LONG lineindex; /* where next char */
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66 | LONG tidemark; /* rightmost char */
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67 | int bell; /* TRUE if line has bell */
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68 | UCHAR line[PRINTFMAXBUF]; /* accumulator */
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69 | };
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70 |
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71 | /* ----- Local static variables ----- */
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72 | static ULONG ourpid=0; /* our process ID */
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73 | static ULONG servepid=0; /* process IDs of the server */
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74 | static HQUEUE qhandle=0; /* handle for the queue */
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75 | static struct perthread *tps[PRINTFTHREADS+1]; /* -> per-thread data */
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76 |
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77 | /* ----- Local subroutine ----- */
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78 | static int printf_(struct perthread *);
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79 |
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80 |
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81 | /* ----------------------------------------------------------------- */
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82 | /* The "printf" function. Note this has a variable number of */
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83 | /* arguments. */
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84 | /* ----------------------------------------------------------------- */
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85 | int SYSTEM WriteLog(char *f, ...)
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86 | {
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87 | TIB *ptib; /* process/thread id structures */
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88 | PIB *ppib; /* .. */
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89 | TID ourtid; /* thread ID */
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90 | struct perthread *tp; /* pointer to per-thread data */
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91 | int rc; /* returncode */
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92 | ULONG urc; /* returncode */
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93 |
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94 | urc=DosOpenQueue(&servepid, &qhandle, PRINTFQNAME); /* Open the Q */
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95 | /* Non-0 RC means Q does not exist or cannot be opened */
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96 | if (urc==343) return 0; /* queue does not exist, so quit */
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97 | if (urc!=0) return -1; /* report any other error */
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98 |
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99 | /* First determine our thread ID (and hence get access to the */
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100 | /* correct per-thread data. If the per-thread data has not been */
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101 | /* allocated, then allocate it now. It is never freed, once */
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102 | /* allocated, as PRINTF is not notified of end-of-thread. */
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103 | DosGetInfoBlocks(&ptib,&ppib); /* get process/thread info */
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104 | ourtid=ptib->tib_ptib2->tib2_ultid; /* .. and copy TID */
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105 | if (ourtid>PRINTFTHREADS) /* too many threads .. */
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106 | return 0; /* .. so quit, quietly */
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107 | tp=tps[ourtid]; /* copy to local pointer */
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108 | if (tp==NULL) { /* uninitialized (NULL=0) */
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109 | /* allocate a per-thread structure */
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110 | tp=(struct perthread *)malloc(sizeof(struct perthread));
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111 | if (tp==NULL) return -1; /* out of memory -- return error */
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112 | tps[ourtid]=tp; /* save for future calls */
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113 | strcpy(tp->line,PRINTFID); /* initialize: line.. */
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114 | tp->lineindex=PRINTFIDSIZE-1; /* ..where next char */
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115 | tp->tidemark =PRINTFIDSIZE-2; /* ..rightmost char */
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116 | tp->bell=FALSE; /* ..if line has bell */
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117 | if (ourpid==0) ourpid=ppib->pib_ulpid; /* save PID for all to use */
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118 | }
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119 |
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120 | { /* Block for declarations -- only needed if queue exists, etc. */
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121 | LONG count; /* count of characters formatted */
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122 | UCHAR buffer[PRINTFMAXLEN+1]; /* formatting area */
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123 | LONG i, newind; /* work */
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124 | UCHAR ch; /* .. */
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125 | va_list argptr; /* -> variable argument list */
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126 |
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127 | va_start(argptr, f); /* get pointer to argument list */
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128 | count=vsprintf(buffer, f, argptr);
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129 | va_end(argptr); /* done with variable arguments */
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130 |
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131 | if (count<0) return count-1000;/* bad start */
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132 |
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133 | if (count>PRINTFMAXLEN) {
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134 | /* Disaster -- we are probably "dead", but just in case we */
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135 | /* are not, carry on with truncated data. */
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136 | count=PRINTFMAXLEN;
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137 | }
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138 | buffer[count]='\0'; /* ensure terminated */
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139 | /* OK, ready to go with the data now in BUFFER */
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140 | /* We copy from the formatted string to the output (line) buffer, */
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141 | /* taking note of certain control characters and sending a line */
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142 | /* the queue whenever we see a LF control, or when the line */
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143 | /* fills (causing a forced break). */
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144 | for (i=0; ; i++) {
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145 | ch=buffer[i]; if (!ch) break;
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146 | switch(ch) {
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147 | case '\r': /* carriage return */
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148 | tp->lineindex=PRINTFIDSIZE-1; /* back to start of line */
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149 | break;
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150 | case '\n': /* new line */
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151 | case '\f': /* form feed */
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152 | rc=printf_(tp); /* print a line */
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153 | if (rc!=0) return rc; /* error */
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154 | break;
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155 | case '\t': /* tab */
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156 | newind=tp->lineindex-PRINTFIDSIZE+1; /* offset into data */
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157 | newind=tp->lineindex+5-newind%5; /* new index requested */
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158 | if (newind>=PRINTFMAXBUF) newind=PRINTFMAXBUF; /* clamp */
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159 | for (; tp->lineindex<newind; tp->lineindex++) {
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160 | if (tp->lineindex>tp->tidemark) { /* beyond current end */
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161 | tp->line[tp->lineindex]=' '; /* add space */
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162 | tp->tidemark=tp->lineindex;
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163 | }
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164 | }
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165 | break;
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166 | case '\v': /* vertical tab */
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167 | /* ignore it */
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168 | break;
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169 | case '\b': /* backspace */
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170 | tp->lineindex=max(tp->lineindex-1,PRINTFIDSIZE);
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171 | break;
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172 | case '\a': /* alert (bell) */
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173 | tp->bell=TRUE;
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174 | break;
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175 | default: /* ordinary character */
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176 | tp->line[tp->lineindex]=ch;
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177 | if (tp->lineindex>tp->tidemark) /* is rightmost.. */
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178 | tp->tidemark=tp->lineindex;
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179 | tp->lineindex++; /* step for next */
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180 | } /* switch */
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181 | if (tp->lineindex>=PRINTFMAXBUF) {
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182 | rc=printf_(tp); /* print a line */
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183 | if (rc!=0) return rc; /* error */
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184 | }
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185 |
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186 | } /* copy loop */
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187 | return count; /* all formatted data processed */
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188 | } /* block */
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189 | } /* printf */
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190 |
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191 | /* ----- printf_(tp) -- Local subroutine to send a line ------------ */
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192 | /* A line has been completed (or overflowed): write it to the queue. */
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193 | int printf_(struct perthread *tp) /* pointer to per-thread data */
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194 | {
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195 | ULONG urc; /* unsigned returncode */
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196 | PSZ pszTo, pszFrom; /* character pointers */
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197 | PVOID addr; /* address of output data */
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198 | long size; /* total size of output data */
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199 | time_t timenow; /* holds current time */
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200 |
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201 | tp->line[tp->tidemark+1]='\0'; /* add terminator */
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202 | size=tp->tidemark+2; /* total length of data */
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203 |
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204 | /* Get some shared memory that can be given away */
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205 | urc=DosAllocSharedMem(&addr, NULL, (unsigned)size,
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206 | OBJ_GIVEABLE|PAG_WRITE|PAG_COMMIT|flAllocMem);
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207 | /*knut: added flAllocMem */
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208 |
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209 | if (urc!=0) return -2; /* error */
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210 |
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211 | pszTo=addr; /* copy for clarity */
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212 | pszFrom=&(tp->line[0]); /* pointer to source */
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213 | strcpy(pszTo,pszFrom); /* copy the string to shared memory */
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214 |
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215 | if (ourpid!=servepid) { /* (no giveaway needed if to self) */
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216 | urc=DosGiveSharedMem(addr, servepid, PAG_READ); /* give access */
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217 | if (urc!=0) return -3;} /* error */
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218 |
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219 | /* Write the selector, size, and timestamp to the queue */
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220 | if (tp->bell) size=-size; /* BELL passed by negation */
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221 | time(&timenow); /* optional - else use 0 */
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222 | urc=DosWriteQueue(qhandle, /* handle */
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223 | (unsigned)timenow, /* 'request' (timestamp) */
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224 | (unsigned)size, /* 'length' (length/bell) */
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225 | addr, /* 'address' (address) */
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226 | 0); /* priority (FIFO if enabled) */
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227 | if (urc!=0) return -4; /* error */
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228 | if (ourpid!=servepid) { /* if given away.. */
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229 | urc=DosFreeMem(addr); /* .. *we* are done with it */
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230 | if (urc!=0) return -5;} /* error */
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231 | /* Reset the line buffer and indices */
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232 | tp->lineindex=PRINTFIDSIZE-1; /* where next char */
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233 | tp->tidemark =PRINTFIDSIZE-2; /* rightmost char */
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234 | tp->bell =FALSE; /* true if line has bell */
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235 | return 0; /* success! */
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236 | } /* printf_ */
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237 | #endif
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238 |
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239 |
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240 |
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241 | /*****************************************************************************
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242 | * Standard Version *
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243 | *****************************************************************************/
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244 |
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245 | static FILE *flog = NULL; /*PLF Mon 97-09-08 20:00:15*/
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246 | static BOOL init = FALSE;
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247 | static BOOL fLogging = TRUE;
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248 | static int dwEnableLogging = 1;
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249 | static int oldcrtmsghandle = 0;
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250 |
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251 | //#define CHECK_ODINHEAP
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252 | #if defined(DEBUG) && defined(CHECK_ODINHEAP)
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253 | int checkOdinHeap = 1;
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254 | #define ODIN_HEAPCHECK() if(checkOdinHeap) _heap_check();
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255 | #else
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256 | #define ODIN_HEAPCHECK()
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257 | #endif
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258 |
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259 | int SYSTEM WriteLog(char *tekst, ...)
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260 | {
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261 | USHORT sel = RestoreOS2FS();
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262 | va_list argptr;
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263 |
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264 | ODIN_HEAPCHECK();
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265 |
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266 | if(!init)
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267 | {
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268 | init = TRUE;
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269 |
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270 | #ifdef DEFAULT_LOGGING_OFF
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271 | if(getenv("WIN32LOG_ENABLED")) {
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272 | #else
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273 | if(!getenv("NOWIN32LOG")) {
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274 | #endif
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275 | char logname[CCHMAXPATH];
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276 |
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277 | sprintf(logname, "odin32_%d.log", loadNr);
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278 | flog = fopen(logname, "w");
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279 | if(flog == NULL) {//probably running exe on readonly device
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280 | sprintf(logname, "%sodin32_%d.log", kernel32Path, loadNr);
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281 | flog = fopen(logname, "w");
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282 | }
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283 | oldcrtmsghandle = _set_crt_msg_handle(fileno(flog));
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284 | }
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285 | else
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286 | fLogging = FALSE;
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287 | }
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288 |
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289 | if(fLogging && flog && (dwEnableLogging > 0))
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290 | {
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291 | TEB *teb = GetThreadTEB();
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292 |
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293 | va_start(argptr, tekst);
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294 | if(teb) {
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295 | teb->o.odin.logfile = (DWORD)flog;
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296 | if(sel == 0x150b && !fIsOS2Image) {
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297 | fprintf(flog, "t%d: (FS=150B) ", teb->o.odin.threadId);
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298 | }
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299 | else fprintf(flog, "t%d: ", teb->o.odin.threadId);
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300 | }
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301 | vfprintf(flog, tekst, argptr);
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302 | if(teb) teb->o.odin.logfile = 0;
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303 | va_end(argptr);
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304 |
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305 | if(tekst[strlen(tekst)-1] != '\n')
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306 | fprintf(flog, "\n");
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307 | }
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308 | SetFS(sel);
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309 | return 1;
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310 | }
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311 | //******************************************************************************
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312 | //******************************************************************************
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313 | int SYSTEM WriteLogNoEOL(char *tekst, ...)
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314 | {
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315 | USHORT sel = RestoreOS2FS();
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316 | va_list argptr;
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317 |
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318 | ODIN_HEAPCHECK();
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319 |
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320 | if(!init)
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321 | {
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322 | init = TRUE;
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323 |
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324 | #ifdef DEFAULT_LOGGING_OFF
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325 | if(getenv("WIN32LOG_ENABLED")) {
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326 | #else
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327 | if(!getenv("NOWIN32LOG")) {
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328 | #endif
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329 | char logname[CCHMAXPATH];
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330 |
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331 | sprintf(logname, "odin32_%d.log", loadNr);
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332 | flog = fopen(logname, "w");
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333 | if(flog == NULL) {//probably running exe on readonly device
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334 | sprintf(logname, "%sodin32_%d.log", kernel32Path, loadNr);
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335 | flog = fopen(logname, "w");
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336 | }
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337 | }
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338 | else
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339 | fLogging = FALSE;
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340 | }
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341 |
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342 | if(fLogging && flog && (dwEnableLogging > 0))
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343 | {
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344 | TEB *teb = GetThreadTEB();
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345 |
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346 | va_start(argptr, tekst);
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347 | if(teb) {
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348 | teb->o.odin.logfile = (DWORD)flog;
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349 | }
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350 | vfprintf(flog, tekst, argptr);
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351 | if(teb) teb->o.odin.logfile = 0;
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352 | va_end(argptr);
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353 | }
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354 | SetFS(sel);
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355 | return 1;
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356 | }
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357 | //******************************************************************************
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358 | //******************************************************************************
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359 | void SYSTEM DecreaseLogCount()
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360 | {
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361 | dwEnableLogging--;
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362 | }
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363 | //******************************************************************************
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364 | //******************************************************************************
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365 | void SYSTEM IncreaseLogCount()
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366 | {
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367 | dwEnableLogging++;
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368 | }
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369 | //******************************************************************************
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370 | //******************************************************************************
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371 | int SYSTEM WritePrivateLog(void *logfile, char *tekst, ...)
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372 | {
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373 | USHORT sel = RestoreOS2FS();
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374 | va_list argptr;
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375 |
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376 | if(fLogging && logfile)
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377 | {
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378 | TEB *teb = GetThreadTEB();
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379 |
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380 | va_start(argptr, tekst);
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381 | if(teb) {
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382 | teb->o.odin.logfile = (DWORD)flog;
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383 | }
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384 | vfprintf((FILE *)logfile, tekst, argptr);
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385 | if(teb) teb->o.odin.logfile = 0;
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386 | va_end(argptr);
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387 |
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388 | if(tekst[strlen(tekst)-1] != '\n')
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389 | fprintf((FILE *)logfile, "\n");
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390 | }
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391 |
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392 | SetFS(sel);
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393 | return 1;
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394 | }
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395 | //******************************************************************************
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396 | //WriteLog has to take special care to handle dprintfs inside our os/2 exception
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397 | //handler; if an exception occurs inside a dprintf, using dprintf in the exception
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398 | //handler will hang the process
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399 | //******************************************************************************
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400 | void LogException(int state)
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401 | {
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402 | TEB *teb = GetThreadTEB();
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403 |
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404 | if (!teb) return;
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405 |
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406 | #if !defined(__EMX__)
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407 | if (teb->o.odin.logfile)
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408 | {
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409 | #if (__IBMCPP__ == 300) || (__IBMC__ == 300)
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410 | PUSHORT lock = (USHORT *)(teb->o.odin.logfile+0x1C);
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411 | #else
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412 | #if __IBMC__ >= 360 || __IBMCPP__ >= 360
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413 | //TODO: test this!!!!!!!
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414 | PUSHORT lock = (USHORT *)(teb->o.odin.logfile+0x1C);
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415 | #else
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416 | #error Check the offset of the lock count word in the file stream structure for this compiler revision!!!!!
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417 | #endif
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418 | #endif
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419 | if (state == ENTER_EXCEPTION)
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420 | {
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421 | (*lock)--;
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422 | }
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423 | else
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424 | { //LEAVE_EXCEPTION
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425 | (*lock)++;
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426 | }
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427 | }
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428 | #else
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429 | //kso 2001-01-29: EMX/GCC
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430 | // we maybe should do something with the _more->rsem (_rmutex) structure but
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431 | // I wanna have this compile, so we'll address problems later.
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432 | #endif
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433 | }
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434 | //******************************************************************************
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435 | //Check if the exception occurred inside a fprintf (logging THDB member set)
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436 | //If true, decrease the lock count for that file stream
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437 | //NOTE: HACK: DEPENDS ON COMPILER VERSION!!!!
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438 | //******************************************************************************
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439 | void CheckLogException()
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440 | {
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441 | TEB *teb = GetThreadTEB();
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442 | PUSHORT lock;
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443 |
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444 | if(!teb) return;
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445 |
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446 | #if !defined(__EMX__)
|
---|
447 | if(teb->o.odin.logfile) {
|
---|
448 | //oops, exception in vfprintf; let's clear the lock count
|
---|
449 | #if (__IBMCPP__ == 300) || (__IBMC__ == 300)
|
---|
450 | lock = (PUSHORT)(teb->o.odin.logfile+0x1C);
|
---|
451 | #else
|
---|
452 | #if __IBMC__ >= 360 || __IBMCPP__ >= 360
|
---|
453 | //TODO: test this!!!!!!!
|
---|
454 | PUSHORT lock = (USHORT *)(teb->o.odin.logfile+0x1C);
|
---|
455 | #else
|
---|
456 | #error Check the offset of the lock count word in the file stream structure for this compiler revision!!!!!
|
---|
457 | #endif
|
---|
458 | #endif
|
---|
459 | (*lock)--;
|
---|
460 | }
|
---|
461 | #else
|
---|
462 | //kso 2001-01-29: EMX/GCC
|
---|
463 | // we maybe should do something with the _more->rsem (_rmutex) structure but
|
---|
464 | // I wanna have this compile, so we'll address problems later.
|
---|
465 | #endif
|
---|
466 | }
|
---|
467 | //******************************************************************************
|
---|
468 | //NOTE: No need to save/restore FS, as our FS selectors have already been
|
---|
469 | // destroyed and FS == 0x150B.
|
---|
470 | //******************************************************************************
|
---|
471 | void CloseLogFile()
|
---|
472 | {
|
---|
473 | if(oldcrtmsghandle)
|
---|
474 | _set_crt_msg_handle(oldcrtmsghandle);
|
---|
475 |
|
---|
476 | fclose(flog);
|
---|
477 | flog = 0;
|
---|
478 | }
|
---|
479 | //******************************************************************************
|
---|
480 | //Used to open any private logfiles used in kernel32 (for now only in winimagepeldr.cpp)
|
---|
481 | //******************************************************************************
|
---|
482 | void OpenPrivateLogFiles()
|
---|
483 | {
|
---|
484 | #ifdef DEFAULT_LOGGING_OFF
|
---|
485 | if(getenv("WIN32LOG_ENABLED")) {
|
---|
486 | #else
|
---|
487 | if(!getenv("NOWIN32LOG")) {
|
---|
488 | #endif
|
---|
489 | OpenPrivateLogFilePE();
|
---|
490 | }
|
---|
491 | }
|
---|
492 | //******************************************************************************
|
---|
493 | //Used to close all private logfiles used in kernel32 (for now only in winimagepeldr.cpp)
|
---|
494 | //******************************************************************************
|
---|
495 | void ClosePrivateLogFiles()
|
---|
496 | {
|
---|
497 | #ifdef DEFAULT_LOGGING_OFF
|
---|
498 | if(getenv("WIN32LOG_ENABLED")) {
|
---|
499 | #else
|
---|
500 | if(!getenv("NOWIN32LOG")) {
|
---|
501 | #endif
|
---|
502 | ClosePrivateLogFilePE();
|
---|
503 | }
|
---|
504 | }
|
---|
505 | //******************************************************************************
|
---|
506 | //******************************************************************************
|
---|
507 | int SYSTEM WriteLogError(char *tekst, ...)
|
---|
508 | {
|
---|
509 | USHORT sel = RestoreOS2FS();
|
---|
510 | va_list argptr;
|
---|
511 |
|
---|
512 | va_start(argptr, tekst);
|
---|
513 | printf("ERROR: ");
|
---|
514 | vprintf(tekst, argptr);
|
---|
515 | va_end(argptr);
|
---|
516 | if(tekst[strlen(tekst)-1] != '\n')
|
---|
517 | printf("\n");
|
---|
518 |
|
---|
519 | SetFS(sel);
|
---|
520 | return 1;
|
---|
521 | }
|
---|
522 | //******************************************************************************
|
---|
523 | //******************************************************************************
|
---|
524 | void SYSTEM CheckVersion(ULONG version, char *modname)
|
---|
525 | {
|
---|
526 | dprintf(("CheckVersion of %s, %d\n", modname, version));
|
---|
527 | if(version != PE2LX_VERSION){
|
---|
528 | static char msg[300];
|
---|
529 | int r;
|
---|
530 | dprintf(("Version mismatch! %d, %d: %s\n", version, PE2LX_VERSION, modname));
|
---|
531 | sprintf(msg, "%s is intended for use with a different release of Odin.\n", modname);
|
---|
532 | do{
|
---|
533 | r = WinMessageBox(HWND_DESKTOP, NULLHANDLE, msg, "Version Mismatch!", 0, MB_ABORTRETRYIGNORE | MB_ICONEXCLAMATION | MB_MOVEABLE);
|
---|
534 | }while(r == MBID_RETRY); // giggle
|
---|
535 | if( r != MBID_IGNORE )
|
---|
536 | exit(987);
|
---|
537 | }
|
---|
538 | }
|
---|
539 | //******************************************************************************
|
---|
540 | //******************************************************************************
|
---|
541 | void SYSTEM CheckVersionFromHMOD(ULONG version, HMODULE hModule)
|
---|
542 | {
|
---|
543 | char name[_MAX_PATH];
|
---|
544 |
|
---|
545 | // query name of dll.
|
---|
546 | if(!DosQueryModuleName(hModule, sizeof(name), name))
|
---|
547 | CheckVersion(version, name);
|
---|
548 | }
|
---|
549 | //******************************************************************************
|
---|
550 | //******************************************************************************
|
---|
551 | #ifdef __WATCOMC__ /*PLF Sat 97-06-21 17:12:36*/
|
---|
552 | extern void interrupt3( void );
|
---|
553 | #pragma aux interrupt3= \
|
---|
554 | "int 3"
|
---|
555 | #endif
|
---|
556 | void WIN32API DebugBreak()
|
---|
557 | {
|
---|
558 | dprintf(("DebugBreak\n"));
|
---|
559 |
|
---|
560 | LPSTR lpstrEnv = getenv("WIN32.DEBUGBREAK"); /* query environment */
|
---|
561 | if (lpstrEnv == NULL) /* if environment is not set, don't call debugger ! */
|
---|
562 | return;
|
---|
563 |
|
---|
564 | #ifdef __WATCOMC__
|
---|
565 | interrupt3();
|
---|
566 | #else
|
---|
567 | _interrupt(3);
|
---|
568 | #endif
|
---|
569 | }
|
---|
570 | //******************************************************************************
|
---|
571 | //******************************************************************************
|
---|
572 |
|
---|
573 |
|
---|
574 | /*****************************************************************************
|
---|
575 | * Name : DebugErrorBox
|
---|
576 | * Purpose : display an apprioriate error box with detailed information
|
---|
577 | * about the error cause
|
---|
578 | * Parameters: APIRET iErrorCode - OS/2 error code
|
---|
579 | * PSZ pszFormat - printf-format string
|
---|
580 | * ...
|
---|
581 | * Variables :
|
---|
582 | * Result : return code of the message box
|
---|
583 | * Remark :
|
---|
584 | * Status :
|
---|
585 | *
|
---|
586 | * Author : Patrick Haller [Tue, 1999/09/13 19:55]
|
---|
587 | *****************************************************************************/
|
---|
588 |
|
---|
589 | int SYSTEM DebugErrorBox(ULONG iErrorCode,
|
---|
590 | char* pszFormat,
|
---|
591 | ...)
|
---|
592 | {
|
---|
593 | char szMessageBuffer[1024]; /* buffer for the text message */
|
---|
594 | char szErrorBuffer[1024]; /* buffer for the operating system text */
|
---|
595 | ULONG bc; /* dummy */
|
---|
596 | APIRET rc2; /* API returncode */
|
---|
597 | int iRC; /* message box return code */
|
---|
598 |
|
---|
599 | USHORT sel = RestoreOS2FS();
|
---|
600 | va_list argptr;
|
---|
601 |
|
---|
602 | // clear memory
|
---|
603 | memset (szMessageBuffer, 0, sizeof(szMessageBuffer));
|
---|
604 | memset (szErrorBuffer, 0, sizeof(szErrorBuffer));
|
---|
605 |
|
---|
606 | // build message string
|
---|
607 | va_start(argptr, pszFormat);
|
---|
608 | vsprintf(szMessageBuffer, pszFormat, argptr);
|
---|
609 | va_end(argptr);
|
---|
610 |
|
---|
611 | // query error string
|
---|
612 | rc2 = DosGetMessage(NULL,
|
---|
613 | 0,
|
---|
614 | szErrorBuffer,
|
---|
615 | sizeof(szErrorBuffer),
|
---|
616 | iErrorCode,
|
---|
617 | "OSO001.MSG",
|
---|
618 | &bc);
|
---|
619 |
|
---|
620 | // display message box
|
---|
621 | iRC = WinMessageBox(HWND_DESKTOP,
|
---|
622 | NULLHANDLE,
|
---|
623 | szMessageBuffer,
|
---|
624 | szErrorBuffer,
|
---|
625 | 0,
|
---|
626 | MB_OK | MB_ICONEXCLAMATION | MB_MOVEABLE);
|
---|
627 | SetFS(sel);
|
---|
628 | return iRC;
|
---|
629 | }
|
---|