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pjs/tools/codesighs/msmap2tsv.c

1143 строки
40 KiB
C
Исходник Обычный вид История

Not part of a normal build. Forgot to license source code.
2002-10-04 06:40:43 +04:00
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is msmap2tsv.c code, released
* Oct 3, 2002.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
Not part of a normal build. Add final touch to license.
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* Copyright (C) 2002 Netscape Communications Corporation. All
Not part of a normal build. Forgot to license source code.
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* Rights Reserved.
*
* Contributor(s):
* Garrett Arch Blythe, 03-October-2002
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License (the "GPL"), in which case the
* provisions of the GPL are applicable instead of those above.
* If you wish to allow use of your version of this file only
* under the terms of the GPL and not to allow others to use your
* version of this file under the MPL, indicate your decision by
* deleting the provisions above and replace them with the notice
* and other provisions required by the GPL. If you do not delete
* the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*/
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include "msmap.h"
#define ERROR_REPORT(num, val, msg) fprintf(stderr, "error(%d):\t\"%s\"\t%s\n", (num), (val), (msg));
#define CLEANUP(ptr) do { if(NULL != ptr) { free(ptr); ptr = NULL; } } while(0)
typedef struct __struct_Options
/*
** Options to control how we perform.
**
** mProgramName Used in help text.
** mInput File to read for input.
** Default is stdin.
** mInputName Name of the file.
** mOutput Output file, append.
** Default is stdout.
** mOutputName Name of the file.
** mHelp Wether or not help should be shown.
** mAddress Wether or not to output addresses.
*/
{
const char* mProgramName;
FILE* mInput;
char* mInputName;
FILE* mOutput;
char* mOutputName;
int mHelp;
int mAddresses;
}
Options;
typedef struct __struct_Switch
/*
** Command line options.
*/
{
const char* mLongName;
const char* mShortName;
int mHasValue;
const char* mValue;
const char* mDescription;
}
Switch;
#define DESC_NEWLINE "\n\t\t"
static Switch gInputSwitch = {"--input", "-i", 1, NULL, "Specify input file." DESC_NEWLINE "stdin is default."};
static Switch gOutputSwitch = {"--output", "-o", 1, NULL, "Specify output file." DESC_NEWLINE "Appends if file exists." DESC_NEWLINE "stdout is default."};
static Switch gHelpSwitch = {"--help", "-h", 0, NULL, "Information on usage."};
static Switch gAddressesSwitch = {"--addresses", "-a", 0, NULL, "Output segment addresses." DESC_NEWLINE "Helps reveal symbol ordering." DESC_NEWLINE "Lack of simplifies size diffing."};
static Switch* gSwitches[] = {
&gInputSwitch,
&gOutputSwitch,
&gAddressesSwitch,
&gHelpSwitch
};
typedef struct __struct_MSMap_ReadState
/*
** Keep track of what state we are while reading input.
** This gives the input context in which we absorb the datum.
*/
{
int mHasModule;
int mHasTimestamp;
int mHasPreferredLoadAddress;
int mHasSegmentData;
int mSegmentDataSkippedLine;
int mHasPublicSymbolData;
int mHasPublicSymbolDataSkippedLines;
int mHasEntryPoint;
int mFoundStaticSymbols;
}
MSMap_ReadState;
char* skipWhite(char* inScan)
/*
** Skip whitespace.
*/
{
char* retval = inScan;
while(isspace(*retval))
{
retval++;
}
return retval;
}
void trimWhite(char* inString)
/*
** Remove any whitespace from the end of the string.
*/
{
int len = strlen(inString);
while(len)
{
len--;
if(isspace(*(inString + len)))
{
*(inString + len) = '\0';
}
else
{
break;
}
}
}
char* lastWord(char* inString)
/*
** Finds and returns the last word in a string.
** It is assumed no whitespace is at the end of the string.
*/
{
int mod = 0;
int len = strlen(inString);
while(len)
{
len--;
if(isspace(*(inString + len)))
{
mod = 1;
break;
}
}
return inString + len + mod;
}
int readmap(Options* inOptions, MSMap_Module* inModule)
/*
** Read the input line by line, adding it to the module.
*/
{
int retval = 0;
char lineBuffer[0x400];
char* current = NULL;
MSMap_ReadState fsm;
int len = 0;
int forceContinue = 0;
memset(&fsm, 0, sizeof(fsm));
/*
** Read the map file line by line.
** We keep a simple state machine to determine what we're looking at.
*/
while(0 == retval && NULL != fgets(lineBuffer, sizeof(lineBuffer), inOptions->mInput))
{
if(forceContinue)
{
/*
** Used to skip anticipated blank lines.
*/
forceContinue--;
continue;
}
current = skipWhite(lineBuffer);
trimWhite(current);
len = strlen(current);
if(fsm.mHasModule)
{
if(fsm.mHasTimestamp)
{
if(fsm.mHasPreferredLoadAddress)
{
if(fsm.mHasSegmentData)
{
if(fsm.mHasPublicSymbolData)
{
if(fsm.mHasEntryPoint)
{
if(fsm.mFoundStaticSymbols)
{
/*
** A blank line means we've reached the end of all static symbols.
*/
if(len)
{
/*
** We're adding a new symbol.
** Make sure we have room for it.
*/
if(inModule->mSymbolCapacity == inModule->mSymbolCount)
{
void* moved = NULL;
moved = realloc(inModule->mSymbols, sizeof(MSMap_Symbol) * (inModule->mSymbolCapacity + MSMAP_SYMBOL_GROWBY));
if(NULL != moved)
{
inModule->mSymbolCapacity += MSMAP_SYMBOL_GROWBY;
inModule->mSymbols = (MSMap_Symbol*)moved;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, inModule->mModule, "Unable to grow symbols.");
}
}
if(0 == retval && inModule->mSymbolCapacity > inModule->mSymbolCount)
{
MSMap_Symbol* theSymbol = NULL;
unsigned index = 0;
int scanRes = 0;
char symbolBuf[0x200];
index = inModule->mSymbolCount;
inModule->mSymbolCount++;
theSymbol = (inModule->mSymbols + index);
memset(theSymbol, 0, sizeof(MSMap_Symbol));
theSymbol->mScope = STATIC;
not part of build Enable usage of codesighs on linux.
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scanRes = sscanf(current, "%x:%x %s %x", (unsigned*)&(theSymbol->mPrefix), (unsigned*)&(theSymbol->mOffset), symbolBuf, (unsigned*)&(theSymbol->mRVABase));
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
2002-10-04 06:33:15 +04:00
if(4 == scanRes)
{
theSymbol->mSymbol = strdup(symbolBuf);
if(NULL != theSymbol->mSymbol)
{
char *last = lastWord(current);
theSymbol->mObject = strdup(last);
if(NULL == theSymbol->mObject)
{
retval = __LINE__;
ERROR_REPORT(retval, last, "Unable to copy object name.");
}
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, symbolBuf, "Unable to copy symbol name.");
}
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, inModule->mModule, "Unable to scan static symbols.");
}
}
}
else
{
/*
** All done.
*/
break;
}
}
else
{
/*
** Static symbols are optional.
** If no static symbols we're done.
** Otherwise, set the flag such that it will work more.
*/
if(0 == strcmp(current, "Static symbols"))
{
fsm.mFoundStaticSymbols = __LINE__;
forceContinue = 1;
}
else
{
/*
** All done.
*/
break;
}
}
}
else
{
int scanRes = 0;
not part of build Enable usage of codesighs on linux.
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scanRes = sscanf(current, "entry point at %x:%x", (unsigned*)&(inModule->mEntryPrefix), (unsigned*)&(inModule->mEntryOffset));
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
2002-10-04 06:33:15 +04:00
if(2 == scanRes)
{
fsm.mHasEntryPoint = __LINE__;
forceContinue = 1;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, current, "Unable to obtain entry point.");
}
}
}
else
{
/*
** Skip the N lines of public symbol data (column headers).
*/
if(2 <= fsm.mHasPublicSymbolDataSkippedLines)
{
/*
** A blank line indicates end of public symbols.
*/
if(len)
{
/*
** We're adding a new symbol.
** Make sure we have room for it.
*/
if(inModule->mSymbolCapacity == inModule->mSymbolCount)
{
void* moved = NULL;
moved = realloc(inModule->mSymbols, sizeof(MSMap_Symbol) * (inModule->mSymbolCapacity + MSMAP_SYMBOL_GROWBY));
if(NULL != moved)
{
inModule->mSymbolCapacity += MSMAP_SYMBOL_GROWBY;
inModule->mSymbols = (MSMap_Symbol*)moved;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, inModule->mModule, "Unable to grow symbols.");
}
}
if(0 == retval && inModule->mSymbolCapacity > inModule->mSymbolCount)
{
MSMap_Symbol* theSymbol = NULL;
unsigned index = 0;
int scanRes = 0;
char symbolBuf[0x200];
index = inModule->mSymbolCount;
inModule->mSymbolCount++;
theSymbol = (inModule->mSymbols + index);
memset(theSymbol, 0, sizeof(MSMap_Symbol));
theSymbol->mScope = PUBLIC;
not part of build Enable usage of codesighs on linux.
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scanRes = sscanf(current, "%x:%x %s %x", (unsigned*)&(theSymbol->mPrefix), (unsigned*)&(theSymbol->mOffset), symbolBuf, (unsigned *)&(theSymbol->mRVABase));
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
2002-10-04 06:33:15 +04:00
if(4 == scanRes)
{
theSymbol->mSymbol = strdup(symbolBuf);
if(NULL != theSymbol->mSymbol)
{
char *last = lastWord(current);
theSymbol->mObject = strdup(last);
if(NULL == theSymbol->mObject)
{
retval = __LINE__;
ERROR_REPORT(retval, last, "Unable to copy object name.");
}
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, symbolBuf, "Unable to copy symbol name.");
}
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, inModule->mModule, "Unable to scan public symbols.");
}
}
}
else
{
fsm.mHasPublicSymbolData = __LINE__;
}
}
else
{
fsm.mHasPublicSymbolDataSkippedLines++;
}
}
}
else
{
/*
** Skip the first line of segment data (column headers).
** Mark that we've begun grabbing segement data.
*/
if(fsm.mSegmentDataSkippedLine)
{
/*
** A blank line means end of the segment data.
*/
if(len)
{
/*
** We're adding a new segment.
** Make sure we have room for it.
*/
if(inModule->mSegmentCapacity == inModule->mSegmentCount)
{
void* moved = NULL;
moved = realloc(inModule->mSegments, sizeof(MSMap_Segment) * (inModule->mSegmentCapacity + MSMAP_SEGMENT_GROWBY));
if(NULL != moved)
{
inModule->mSegmentCapacity += MSMAP_SEGMENT_GROWBY;
inModule->mSegments = (MSMap_Segment*)moved;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, inModule->mModule, "Unable to grow segments.");
}
}
if(0 == retval && inModule->mSegmentCapacity > inModule->mSegmentCount)
{
MSMap_Segment* theSegment = NULL;
unsigned index = 0;
char classBuf[0x10];
char nameBuf[0x20];
int scanRes = 0;
index = inModule->mSegmentCount;
inModule->mSegmentCount++;
theSegment = (inModule->mSegments + index);
memset(theSegment, 0, sizeof(MSMap_Segment));
not part of build Enable usage of codesighs on linux.
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scanRes = sscanf(current, "%x:%x %xH %s %s", (unsigned*)&(theSegment->mPrefix), (unsigned*)&(theSegment->mOffset), (unsigned*)&(theSegment->mLength), nameBuf, classBuf);
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
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if(5 == scanRes)
{
if('.' == nameBuf[0])
{
theSegment->mSegment = strdup(&nameBuf[1]);
}
else
{
theSegment->mSegment = strdup(nameBuf);
}
if(NULL != theSegment->mSegment)
{
if(0 == strcmp("DATA", classBuf))
{
theSegment->mClass = DATA;
}
else if(0 == strcmp("CODE", classBuf))
{
theSegment->mClass = CODE;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, classBuf, "Unrecognized segment class.");
}
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, nameBuf, "Unable to copy segment name.");
}
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, inModule->mModule, "Unable to scan segments.");
}
}
}
else
{
fsm.mHasSegmentData = __LINE__;
}
}
else
{
fsm.mSegmentDataSkippedLine = __LINE__;
}
}
}
else
{
int scanRes = 0;
/*
** The PLA has a particular format.
*/
not part of build Enable usage of codesighs on linux.
2002-10-11 04:50:08 +04:00
scanRes = sscanf(current, "Preferred load address is %x", (unsigned*)&(inModule->mPreferredLoadAddress));
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
2002-10-04 06:33:15 +04:00
if(1 == scanRes)
{
fsm.mHasPreferredLoadAddress = __LINE__;
forceContinue = 1;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, current, "Unable to obtain preferred load address.");
}
}
}
else
{
int scanRes = 0;
/*
** The timestamp has a particular format.
*/
not part of build Enable usage of codesighs on linux.
2002-10-11 04:50:08 +04:00
scanRes = sscanf(current, "Timestamp is %x", (unsigned*)&(inModule->mTimestamp));
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
2002-10-04 06:33:15 +04:00
if(1 == scanRes)
{
fsm.mHasTimestamp = __LINE__;
forceContinue = 1;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, current, "Unable to obtain timestamp.");
}
}
}
else
{
/*
** The module is on a line by itself.
*/
inModule->mModule = strdup(current);
if(NULL != inModule->mModule)
{
fsm.mHasModule = __LINE__;
forceContinue = 1;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, current, "Unable to obtain module.");
}
}
}
if(0 == retval && 0 != ferror(inOptions->mInput))
{
retval = __LINE__;
ERROR_REPORT(retval, inOptions->mInputName, "Unable to read file.");
}
return retval;
}
static int qsortRVABase(const void* in1, const void* in2)
/*
** qsort callback to sort the symbols by their RVABase.
*/
{
MSMap_Symbol* sym1 = (MSMap_Symbol*)in1;
MSMap_Symbol* sym2 = (MSMap_Symbol*)in2;
int retval = 0;
if(sym1->mRVABase < sym2->mRVABase)
{
retval = -1;
}
else if(sym1->mRVABase > sym2->mRVABase)
{
retval = 1;
}
return retval;
}
static int tsvout(Options* inOptions, unsigned inSize, MSMap_SegmentClass inClass, MSMap_SymbolScope inScope, const char* inModule, const char* inSegment, address inPrefix, address inOffset, const char* inObject, const char* inSymbol)
/*
** Output a line of map information seperated by tabs.
** Some items (const char*), if not present, will receive a default value.
*/
{
int retval = 0;
/*
** No need to output on no size.
** This can happen with zero sized segments,
** or an imported symbol which has multiple names (one will count).
*/
if(0 != inSize)
{
char objectBuf[0x100];
const char* symScope = NULL;
const char* segClass = NULL;
const char* undefined = "UNDEF";
/*
** Fill in unspecified values.
*/
if(NULL == inObject)
{
sprintf(objectBuf, "%s:%s:%s", undefined, inModule, inSegment);
inObject = objectBuf;
}
if(NULL == inSymbol)
{
inSymbol = inObject;
}
/*
** Convert some enumerations to text.
*/
switch(inClass)
{
case CODE:
segClass = "CODE";
break;
case DATA:
segClass = "DATA";
break;
default:
retval = __LINE__;
ERROR_REPORT(retval, "", "Unable to determine class for output.");
break;
}
switch(inScope)
{
case PUBLIC:
symScope = "PUBLIC";
break;
case STATIC:
symScope = "STATIC";
break;
case UNDEFINED:
symScope = undefined;
break;
default:
retval = __LINE__;
ERROR_REPORT(retval, "", "Unable to determine scope for symbol.");
break;
}
if(0 == retval)
{
int printRes = 0;
printRes = fprintf(inOptions->mOutput,
"%.8X\t%s\t%s\t%s\t%s\t%s\t%s",
inSize,
segClass,
symScope,
inModule,
inSegment,
inObject,
inSymbol
);
if(0 <= printRes && inOptions->mAddresses)
{
printRes = fprintf(inOptions->mOutput,
"\t%.4X:%.8X",
not part of build Enable usage of codesighs on linux.
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(unsigned)inPrefix,
(unsigned)inOffset
Not part of any normal build (yet). Map file parsing tools for a windows build. Goal will be to use the script to hook up in tinderbox for code size delta tracking.
2002-10-04 06:33:15 +04:00
);
}
if(0 <= printRes)
{
printRes = fprintf(inOptions->mOutput, "\n");
}
if(0 > printRes)
{
retval = __LINE__;
ERROR_REPORT(retval, inOptions->mOutputName, "Unable to output tsv data.");
}
}
}
return retval;
}
void cleanModule(MSMap_Module* inModule)
{
unsigned loop = 0;
for(loop = 0; loop < inModule->mSymbolCount; loop++)
{
CLEANUP(inModule->mSymbols[loop].mObject);
CLEANUP(inModule->mSymbols[loop].mSymbol);
}
CLEANUP(inModule->mSymbols);
for(loop = 0; loop < inModule->mSegmentCount; loop++)
{
CLEANUP(inModule->mSegments[loop].mSegment);
}
CLEANUP(inModule->mSegments);
CLEANUP(inModule->mModule);
memset(inModule, 0, sizeof(MSMap_Module));
}
int map2tsv(Options* inOptions)
/*
** Read all input.
** Output tab seperated value data.
*/
{
int retval = 0;
MSMap_Module module;
memset(&module, 0, sizeof(module));
/*
** Read in the map file.
*/
retval = readmap(inOptions, &module);
if(0 == retval)
{
unsigned segLoop = 0;
MSMap_Segment* segment = NULL;
unsigned symLoop = 0;
MSMap_Symbol* symbol = NULL;
MSMap_Symbol* firstSymbol = NULL;
MSMap_Symbol* matchSymbol = NULL;
MSMap_Symbol* prevSymbol = NULL;
/*
** Quick sort the symbols via RVABase.
*/
qsort(module.mSymbols, module.mSymbolCount, sizeof(MSMap_Symbol), qsortRVABase);
/*
** Go through each segment in order:
** Output symbols and sizes, already in order.
** Make up symbol names for those missing symbols,
** or for blank spots at the beginning of a segment.
*/
for(segLoop = 0; 0 == retval && segLoop < module.mSegmentCount; segLoop++)
{
segment = (module.mSegments + segLoop);
firstSymbol = NULL;
matchSymbol = NULL;
prevSymbol = NULL;
for(symLoop = 0; 0 == retval && symLoop < module.mSymbolCount; symLoop++)
{
symbol = (module.mSymbols + symLoop);
/*
** Symbol must fall in range of segment for consideration.
*/
if(symbol->mPrefix == segment->mPrefix)
{
if(symbol->mOffset >= segment->mOffset)
{
if(symbol->mOffset < (segment->mOffset + segment->mLength))
{
/*
** Matched.
*/
prevSymbol = matchSymbol;
matchSymbol = symbol;
if(NULL == firstSymbol)
{
firstSymbol = matchSymbol;
/*
** Check to see if we need to output a dummy
** to start the segment.
*/
if(0 == retval && firstSymbol->mOffset != segment->mOffset)
{
retval = tsvout(inOptions,
firstSymbol->mOffset - segment->mOffset,
segment->mClass,
UNDEFINED,
module.mModule,
segment->mSegment,
segment->mPrefix,
segment->mOffset,
NULL,
NULL
);
}
}
/*
** Can now output previous symbol as can calculate size.
*/
if(0 == retval && NULL != prevSymbol)
{
retval = tsvout(inOptions,
matchSymbol->mOffset - prevSymbol->mOffset,
segment->mClass,
prevSymbol->mScope,
module.mModule,
segment->mSegment,
prevSymbol->mPrefix,
prevSymbol->mOffset,
prevSymbol->mObject,
prevSymbol->mSymbol
);
}
}
}
}
}
/*
** If there was no symbol, output a fake one for the entire segment.
** Otherwise, there is always one final match which we must output
** taking up the remainder of the segment.
*/
if(0 == retval)
{
if(NULL == firstSymbol)
{
retval = tsvout(inOptions,
segment->mLength,
segment->mClass,
UNDEFINED,
module.mModule,
segment->mSegment,
segment->mPrefix,
segment->mOffset,
NULL,
NULL
);
}
else
{
retval = tsvout(inOptions,
(segment->mOffset + segment->mLength) - matchSymbol->mOffset,
segment->mClass,
matchSymbol->mScope,
module.mModule,
segment->mSegment,
matchSymbol->mPrefix,
matchSymbol->mOffset,
matchSymbol->mObject,
matchSymbol->mSymbol
);
}
}
}
}
/*
** Cleanup.
*/
cleanModule(&module);
return retval;
}
int initOptions(Options* outOptions, int inArgc, char** inArgv)
/*
** returns int 0 if successful.
*/
{
int retval = 0;
int loop = 0;
int switchLoop = 0;
int match = 0;
const int switchCount = sizeof(gSwitches) / sizeof(gSwitches[0]);
Switch* current = NULL;
/*
** Set any defaults.
*/
memset(outOptions, 0, sizeof(Options));
outOptions->mProgramName = inArgv[0];
outOptions->mInput = stdin;
outOptions->mInputName = strdup("stdin");
outOptions->mOutput = stdout;
outOptions->mOutputName = strdup("stdout");
if(NULL == outOptions->mOutputName || NULL == outOptions->mInputName)
{
retval = __LINE__;
ERROR_REPORT(retval, "stdin/stdout", "Unable to strdup.");
}
/*
** Go through and attempt to do the right thing.
*/
for(loop = 1; loop < inArgc && 0 == retval; loop++)
{
match = 0;
current = NULL;
for(switchLoop = 0; switchLoop < switchCount && 0 == retval; switchLoop++)
{
if(0 == strcmp(gSwitches[switchLoop]->mLongName, inArgv[loop]))
{
match = __LINE__;
}
else if(0 == strcmp(gSwitches[switchLoop]->mShortName, inArgv[loop]))
{
match = __LINE__;
}
if(match)
{
if(gSwitches[switchLoop]->mHasValue)
{
/*
** Attempt to absorb next option to fullfill value.
*/
if(loop + 1 < inArgc)
{
loop++;
current = gSwitches[switchLoop];
current->mValue = inArgv[loop];
}
}
else
{
current = gSwitches[switchLoop];
}
break;
}
}
if(0 == match)
{
outOptions->mHelp = __LINE__;
retval = __LINE__;
ERROR_REPORT(retval, inArgv[loop], "Unknown command line switch.");
}
else if(NULL == current)
{
outOptions->mHelp = __LINE__;
retval = __LINE__;
ERROR_REPORT(retval, inArgv[loop], "Command line switch requires a value.");
}
else
{
/*
** Do something based on address/swtich.
*/
if(current == &gInputSwitch)
{
CLEANUP(outOptions->mInputName);
if(NULL != outOptions->mInput && stdin != outOptions->mInput)
{
fclose(outOptions->mInput);
outOptions->mInput = NULL;
}
outOptions->mInput = fopen(current->mValue, "r");
if(NULL == outOptions->mInput)
{
retval = __LINE__;
ERROR_REPORT(retval, current->mValue, "Unable to open input file.");
}
else
{
outOptions->mInputName = strdup(current->mValue);
if(NULL == outOptions->mInputName)
{
retval = __LINE__;
ERROR_REPORT(retval, current->mValue, "Unable to strdup.");
}
}
}
else if(current == &gOutputSwitch)
{
CLEANUP(outOptions->mOutputName);
if(NULL != outOptions->mOutput && stdout != outOptions->mOutput)
{
fclose(outOptions->mOutput);
outOptions->mOutput = NULL;
}
outOptions->mOutput = fopen(current->mValue, "a");
if(NULL == outOptions->mOutput)
{
retval = __LINE__;
ERROR_REPORT(retval, current->mValue, "Unable to open output file.");
}
else
{
outOptions->mOutputName = strdup(current->mValue);
if(NULL == outOptions->mOutputName)
{
retval = __LINE__;
ERROR_REPORT(retval, current->mValue, "Unable to strdup.");
}
}
}
else if(current == &gAddressesSwitch)
{
outOptions->mAddresses = __LINE__;
}
else if(current == &gHelpSwitch)
{
outOptions->mHelp = __LINE__;
}
else
{
retval = __LINE__;
ERROR_REPORT(retval, current->mLongName, "No hanlder for command line switch.");
}
}
}
return retval;
}
void cleanOptions(Options* inOptions)
/*
** Clean up any open handles.
*/
{
CLEANUP(inOptions->mInputName);
if(NULL != inOptions->mInput && stdin != inOptions->mInput)
{
fclose(inOptions->mInput);
}
CLEANUP(inOptions->mOutputName);
if(NULL != inOptions->mOutput && stdout != inOptions->mOutput)
{
fclose(inOptions->mOutput);
}
memset(inOptions, 0, sizeof(Options));
}
void showHelp(Options* inOptions)
/*
** Show some simple help text on usage.
*/
{
int loop = 0;
const int switchCount = sizeof(gSwitches) / sizeof(gSwitches[0]);
const char* valueText = NULL;
printf("usage:\t%s [arguments]\n", inOptions->mProgramName);
printf("\n");
printf("arguments:\n");
for(loop = 0; loop < switchCount; loop++)
{
if(gSwitches[loop]->mHasValue)
{
valueText = " <value>";
}
else
{
valueText = "";
}
printf("\t%s%s\n", gSwitches[loop]->mLongName, valueText);
printf("\t %s%s", gSwitches[loop]->mShortName, valueText);
printf(DESC_NEWLINE "%s\n\n", gSwitches[loop]->mDescription);
}
}
int main(int inArgc, char** inArgv)
{
int retval = 0;
Options options;
retval = initOptions(&options, inArgc, inArgv);
if(options.mHelp)
{
showHelp(&options);
}
else if(0 == retval)
{
retval = map2tsv(&options);
}
cleanOptions(&options);
return retval;
}