Infrasctucture Opt Function Reference
Opt
The Opt layer of libUt allows programmers to easily access command line options.
Returns true if there was a command line option of '-d' (debug mode) else FALSE.
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| int
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opRegOpt( int opt, pfi_t func, void* val )
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Register a single command line option. "opt" is the option character, "func" is the call-back function, and "val" is passed to the function as context.
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| int
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opSetFlg( pfi_t func, void* valPtr )
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Sets the flag (char x) to TRUE. The argument "varPtr" is used as a poter to a char flag in your module.
This may be registered as a function for settting things like the utTrcLev.
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| int
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opInit( int argc, char* argv[] )
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Initialize opt layer (called from infInit).
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| int
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opReg( optTbl_t* tp )
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Register an option table. This is what is called by OPT_REG;.
Initialize the OptTbl array for adding options.
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OPT_INT( char* key, int var )
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Specify an integer value to be loaded into variable "var" when "key" is found on the command line.
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OPT_STR( char* key, int str )
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Specify a string to be loaded into variable "str" when "key" is found on the command line.
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OPT_FUN( char* key, int func, void* arg )
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Specify a function to be called when "key" is found on the command line.
Argument "arg" and the word following the "key" on the command line will be passed to the call-back function.
Prototype for command line option call-back:
callBack( char *context, char *cmdLine )
"cmdLine" is the character string from the command line, context is from the table's "arg" entry.
If the call-back uses up the next command line arguement, it must return a value of one (1) else it must return zero.
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OPT_FLG( char* key, char flagVar, int arg )
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When "key" is found on the command line, value "arg" will be loaded into character flag variable "flagVar".
End of OptTbl build.
Register OptTbl as build by OPT_ macros.