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add: srxfixup tool implementation
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‎tools/srxfixup/.clang-format‎

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---
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Language: Cpp
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AccessModifierOffset: -4
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AlignAfterOpenBracket: AlwaysBreak
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AlignConsecutiveAssignments: false
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AlignConsecutiveDeclarations: false
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AlignOperands: AlignAfterOperator
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AlignTrailingComments: true
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AllowAllParametersOfDeclarationOnNextLine: true
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AllowShortBlocksOnASingleLine: Never
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AllowShortCaseLabelsOnASingleLine: false
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AllowShortFunctionsOnASingleLine: Inline
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AllowShortIfStatementsOnASingleLine: Never
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AllowShortLoopsOnASingleLine: false
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AlwaysBreakAfterDefinitionReturnType: None
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AlwaysBreakAfterReturnType: None
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AlwaysBreakBeforeMultilineStrings: false
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AlwaysBreakTemplateDeclarations: Yes
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BinPackArguments: false
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BinPackParameters: false
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BreakBeforeBinaryOperators: NonAssignment
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BreakBeforeBraces: Allman
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BreakBeforeTernaryOperators: false
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BreakConstructorInitializersBeforeComma: false
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ColumnLimit: 120
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CommentPragmas: '^ (IWYU pragma:|NOLINT)'
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ConstructorInitializerAllOnOneLineOrOnePerLine: false
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ConstructorInitializerIndentWidth: 2
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ContinuationIndentWidth: 2
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DerivePointerAlignment: false
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DisableFormat: false
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ForEachMacros: []
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IndentCaseLabels: true
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IndentWidth: 2
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IndentWrappedFunctionNames: false
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KeepEmptyLinesAtTheStartOfBlocks: false
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MaxEmptyLinesToKeep: 1
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NamespaceIndentation: None
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PenaltyBreakBeforeFirstCallParameter: 19
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PenaltyBreakComment: 300
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PenaltyBreakFirstLessLess: 120
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PenaltyBreakString: 1000
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PenaltyExcessCharacter: 1000000
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PenaltyReturnTypeOnItsOwnLine: 60
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PointerAlignment: Right
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ReflowComments: true
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SortIncludes: true
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SpaceAfterCStyleCast: false
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SpaceBeforeAssignmentOperators: true
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SpaceBeforeParens: ControlStatements
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SpaceInEmptyParentheses: false
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SpacesBeforeTrailingComments: 2
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SpacesInAngles: false
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SpacesInContainerLiterals: true
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SpacesInCStyleCastParentheses: false
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SpacesInSquareBrackets: false
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Standard: c++11
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TabWidth: 2
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UseTab: ForContinuationAndIndentation
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SpacesInParens: Custom
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SpacesInParensOptions:
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InConditionalStatements: true

‎tools/srxfixup/Makefile‎

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# _____ ___ ____ ___ ____
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# ____| | ____| | | |____|
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# | ___| |____ ___| ____| | \ PS2DEV Open Source Project.
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#-----------------------------------------------------------------------
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# Copyright 2001-2022, ps2dev - http://www.ps2dev.org
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# Licenced under Academic Free License version 2.0
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# Review ps2sdk README & LICENSE files for further details.
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TOOLS_BIN_ALTNAMES ?= eefixup erx-strip iopfixup irx-strip
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TOOLS_OBJS = \
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srxfixup.o \
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anaarg.o \
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ring.o \
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swapmem.o \
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elflib.o \
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elfdump.o \
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mipsdis.o \
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srxgen.o \
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readconf.o \
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iopfixconf.o \
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eefixconf.o
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include $(PS2SDKSRC)/Defs.make
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include $(PS2SDKSRC)/tools/Rules.bin.make
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include $(PS2SDKSRC)/tools/Rules.make
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include $(PS2SDKSRC)/tools/Rules.release

‎tools/srxfixup/README.md‎

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# srxfixup
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This tool mainly handles generation of IRX and ERX files, mainly used as
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relocatable executables or libraries.
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This tool performs the following tasks on relocatable ELF files in order to
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ensure that loadcore can load it as a relocatable file:
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* Sets the ELF header `e_type` to `0xFF80`, `0xFF81`, or `0xFF91`, depending
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on the features and architecture used
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* Creates the `.iopmod` or `.eemod` section and first program header,
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containing metadata about the file, such as name, version, and section sizes/offsets
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* Rebuilds relocations
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## Aliases
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This tool provides the following:
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* `iopfixup`
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* `irx-strip`
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* `eefixup`
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* `erx-strip`
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## Usage
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To see usage and possible command line arguments that can be used with the
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program, run it without arguments.

‎tools/srxfixup/src/anaarg.c‎

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/*
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# _____ ___ ____ ___ ____
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# ____| | ____| | | |____|
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# | ___| |____ ___| ____| | \ PS2DEV Open Source Project.
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#-----------------------------------------------------------------------
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# Copyright ps2dev - http://www.ps2dev.org
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# Licenced under Academic Free License version 2.0
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# Review ps2sdk README & LICENSE files for further details.
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*/
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#include "srxfixup_internal.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int analize_arguments(const Opttable *dopttable, int argc, char **argv)
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{
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Opt_strings *optstr;
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const char *opt;
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Opttable *otp;
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Opttable *igadd;
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Opttable *opttable;
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char *cp;
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char **argvp;
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char **nargv;
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int nargc;
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int i;
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int argca;
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char **argva;
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for ( i = 0; dopttable[i].option; i += 1 )
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{
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;
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}
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opttable = (Opttable *)__builtin_alloca((argc + i) * sizeof(Opttable));
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memset(opttable, 0, (argc + i) * sizeof(Opttable));
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memcpy(opttable, dopttable, i * sizeof(Opttable));
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igadd = &opttable[i];
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nargv = (char **)__builtin_alloca((argc + 1) * sizeof(char *));
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memset(nargv, 0, (argc + 1) * sizeof(char *));
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argvp = argv;
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*nargv = *argv;
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nargc = 1;
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for ( argca = argc - 1, argva = argv + 1;; argca -= 1, argva += 1 )
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{
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if ( argca <= 0 )
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{
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for ( i = 0; i < nargc + 1; i += 1 )
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{
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argvp[i] = nargv[i];
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}
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for ( i = 0; opttable[i].option; i += 1 )
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{
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if ( opttable[i].vartype == 'l' )
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{
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*(SLink **)opttable[i].var = ring_to_liner(*(SLink **)opttable[i].var);
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}
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}
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return nargc;
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}
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if ( **argva == '-' )
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{
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opt = 0;
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for ( i = 0; opttable[i].option; i += 1 )
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{
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if ( opttable[i].havearg == ARG_HAVEARG_UNK3 )
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{
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if ( !strcmp(opttable[i].option, *argva) )
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{
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break;
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}
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}
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else
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{
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if ( !strncmp(opttable[i].option, *argva, strlen(opttable[i].option)) )
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{
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break;
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}
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}
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}
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if ( !opttable[i].option )
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{
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return -1;
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}
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if ( opttable[i].havearg != ARG_HAVEARG_NONE && opttable[i].havearg != ARG_HAVEARG_UNK3 )
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{
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if ( opttable[i].havearg == ARG_HAVEARG_UNK4 || (*argva)[strlen(opttable[i].option)] )
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{
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opt = &(*argva)[strlen(opttable[i].option)];
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}
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else if ( argca > 1 )
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{
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opt = argva[1];
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argva += 1;
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argca -= 1;
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}
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}
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if ( opttable[i].havearg != ARG_HAVEARG_REQUIRED || opt )
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{
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switch ( opttable[i].vartype )
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{
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case 'F':
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case 'f':
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if ( (*argva)[strlen(opttable[i].option)] )
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{
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*(uint32_t *)opttable[i].var = strtoul(&(*argva)[strlen(opttable[i].option)], NULL, 16);
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}
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else
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{
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*(uint32_t *)opttable[i].var = (opttable[i].vartype == 'f') ? 1 : 0;
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}
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break;
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case 'h':
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if ( opt != NULL )
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{
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*(uint32_t *)opttable[i].var = strtoul(opt, 0, 16);
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}
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break;
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case 'i':
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if ( opt != NULL )
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{
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for ( otp = igadd; opttable < otp; otp -= 1 )
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{
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*otp = otp[-1];
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}
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igadd += 1;
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opttable->option = opt;
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opttable->vartype = 'n';
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opttable->havearg = ARG_HAVEARG_UNK3;
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cp = strchr(opttable->option, ':');
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if ( cp )
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{
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*cp = 0;
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switch ( cp[1] )
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{
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case 'c':
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opttable->havearg = ARG_HAVEARG_UNK4;
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break;
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case 'n':
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opttable->havearg = ARG_HAVEARG_REQUIRED;
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break;
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case 'o':
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opttable->havearg = ARG_HAVEARG_UNK1;
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break;
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default:
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break;
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}
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}
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}
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break;
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case 'l':
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optstr = (Opt_strings *)calloc(1, sizeof(Opt_strings));
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optstr->string = opt;
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*(SLink **)opttable[i].var = add_ring_tail(*(SLink **)opttable[i].var, (SLink *)optstr);
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break;
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case 'n':
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break;
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case 's':
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*(const char **)opttable[i].var = opt;
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break;
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default:
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fprintf(stderr, "internal error\n");
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return -1;
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}
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}
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else
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{
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return -1;
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}
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}
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else
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{
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nargv[nargc] = *argva;
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nargc += 1;
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}
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}
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}

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