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********************* IBIS GOLDEN PARSER BUG REPORT FORM *********************
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INSTRUCTIONS

To report a bug in the IBIS golden parser.  Please fill out the top part
of the following form and send the complete form to info@ibis.org.

A list of reported bugs is maintained at http://ibis.org/bugs/ibischk/ .

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PARSER VERSION NUMBER:  7.1.0

PLATFORM (SPARC, HP700, PC, etc.): ALL

OS AND VERSION: ALL

REPORTED BY: Yingxin Sun, Cadence Design Systems

DATE: April 17, 2022

DESCRIPTION OF BUG:

When the ibischk701 parser is embedded in an EDA tool, and a .ibs file is
positioned in an absolute path, unexpected Errors occur.  File paths should be
relative

For example:
ERROR - File Name 'C:\debug\bug232.ibs' has an illegal character with ASCII code 58 | if this problem exists
ERROR - File Name 'C:\debug\bug232.ibs' has an absolute path. File paths should be relative.

After a trace into the source codes, I found starting from line 80 in file 
main.c.

   if( geFileVersion >= VER_7 )
   {
      char *ptr;
     char cPathDelimiter;
#if (IBIS_OS == IBIS_OS_DOS) || (IBIS_OS == IBIS_OS_WIN31) || (IBIS_OS == 
IBIS_OS_WIN95) || (IBIS_OS == IBIS_OS_WINNT)
        cPathDelimiter = '\\';
#else
        cPathDelimiter = '/';
#endif
      ptr = strrchr(sFileName, cPathDelimiter);
        if( !ptr )
            ptr = sFileName;
      else
            ptr++; 
      CMN_checkFileNameWithNewRules(sFileName, eType);
   }

----

On the last line above, CMN_checkFileNameWithNewRules(sFileName, eType), sFileName should be 
ptr.

----

Also, there may be another problem:
The value of the global variable geFileVersion may not be correct at this 
moment because the ibis file is not parsed yet. The value is the old one
in history if more than two files are parsed without exiting.

BUG232 only occurs when the file is [IBIS Ver] 7.0 or 7.1.

*****************************************************************************


INSERT IBIS FILE DEMONSTRATING THE BUG:

The test case needs to be positioned under an absolute path:

----------
bug232.ibs
----------

|***************************************************************************
|
[IBIS Ver]      7.0
[File name]     bug232.ibs
[File Rev]      2.13
[Date]          08/09/95
[Source]        Dummy File.
[Notes]         File used to test (EDA tool - specific) absolute path error 
|
|****************************************************************************
|
[Component]     BUG232
[Manufacturer]  Company
[Package] 
|                 typ            min            max
R_pkg             0.0            NA            NA
L_pkg             0.0            NA            NA
C_pkg             0.0            NA            NA
|
[Pin]  signal_name          model_name           R_pin     L_pin     C_pin
|
1      NC      NC
32     VCC     POWER
|
|****************************************************************************

[End]

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******************** BELOW FOR ADMINISTRATION AND TRACKING *******************
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BUG NUMBER:  232

SEVERITY: [FATAL, SEVERE, MODERATE, ANNOYING, ENHANCEMENT]  MODERATE

PRIORITY: [HIGH, MEDIUM, LOW]                               MEDIUM

STATUS: [OPEN, CLOSED, WILL NOT FIX, NOT A BUG]             CLOSED

FIXED VERSION: 7.1.1

FIXED DATE:    November 18, 2022



NOTES ON BUG FIX:
Classified at the May 13, 2022 IBIS Open Forum.
To be fixed in the next release.
The suggestion is to correct a coding error listed in this report


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