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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: clib/src/trace_indent.c $ */
/* */
/* OpenPOWER FFS Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#include "trace_indent.h"
#include "stdio.h"
/*--------------------------------------------------
* Private Constants
--------------------------------------------------*/
#define DEFAULT_INDENT_SIZE 5
#define MAX_INDENT_SIZE 129
#define DEFAULT_INDENT " "
/*--------------------------------------------------
* Global variables.
--------------------------------------------------*/
/* The current trace level. */
unsigned char BB_TRACE_LEVEL = 0;
unsigned char BB_PREVIOUS_TRACE_LEVEL = 0;
/*--------------------------------------------------
* Private global variables.
--------------------------------------------------*/
static unsigned int Current_Indent_Level = 0;
static unsigned int Current_Indent_Size = DEFAULT_INDENT_SIZE;
static char Indent[MAX_INDENT_SIZE] = DEFAULT_INDENT;
/*--------------------------------------------------
* Public Functions
--------------------------------------------------*/
/*********************************************************************/
/* */
/* Function Name: Set_Indent_Size */
/* */
/* Descriptive Name: Sets the number of spaces to use per indent. */
/* If the current indent level is 5 and this */
/* function is called to set the indent size to */
/* 10, then 50 spaces will be printed by the */
/* trace macros before each line of trace */
/* output at this indent level. */
/* */
/* Input: unsigned int Spaces_Per_Indent - A value less than 128. */
/* */
/* Output: If Success : The specified value will be used for the */
/* size of an indent. */
/* */
/* If Failure : This should only happen if the value */
/* specified is >= 128, in which case it is */
/* ignored and the previous value is retained.*/
/* */
/* Error Handling: Bad values for Spaces_Per_Indent are ignored. */
/* */
/* Side Effects: The number of spaces per indent may be changed. */
/* */
/* Notes: */
/* */
/*********************************************************************/
void Set_Indent_Size(unsigned int Spaces_Per_Indent)
{
unsigned int i;
if (Spaces_Per_Indent <= MAX_INDENT_SIZE) {
Current_Indent_Size = Spaces_Per_Indent;
for (i = 0; i < Current_Indent_Size; i++) {
Indent[i] = ' ';
}
Indent[i] = 0x00;
}
return;
}
/*********************************************************************/
/* */
/* Function Name: Indent_Trace_Output */
/* */
/* Descriptive Name: This function increases the current indent */
/* level by one. */
/* */
/* Input: None. */
/* */
/* Output: If Success : None */
/* */
/* If Failure : None */
/* */
/* Error Handling: None */
/* */
/* Side Effects: The current indent level for trace output will */
/* be increased by 1. */
/* */
/* Notes: */
/* */
/*********************************************************************/
void Indent_Trace_Output(void)
{
Current_Indent_Level += 1;
return;
}
/*********************************************************************/
/* */
/* Function Name: Outdent_Trace_Output */
/* */
/* Descriptive Name: This function reduces the current indent */
/* level if it is greater than 0. */
/* */
/* Input: None */
/* */
/* Output: If Success : None */
/* */
/* If Failure : None */
/* */
/* Error Handling: If the current indent level is zero, then this */
/* function does nothing. */
/* */
/* Side Effects: The current indent level for trace output may be */
/* decreased by 1. */
/* */
/* Notes: */
/* */
/*********************************************************************/
void Outdent_Trace_Output(void)
{
if (Current_Indent_Level > 0)
Current_Indent_Level -= 1;
return;
}
/*********************************************************************/
/* */
/* Function Name: Do_Indent */
/* */
/* Descriptive Name: This function prints to stderr the number of */
/* spaces corresponding to the current indent */
/* level. */
/* */
/* Input: None */
/* */
/* Output: If Success : None */
/* */
/* If Failure : None */
/* */
/* Error Handling: None */
/* */
/* Side Effects: Some number of space may be output to stderr. */
/* */
/* Notes: */
/* */
/*********************************************************************/
void Do_Indent(void)
{
unsigned int i;
for (i = 0; i < Current_Indent_Level; i++) {
fprintf(stderr, "%s", Indent);
}
}
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