A fix is available
APAR status
Closed as new function.
Error description
Add two new suboptions to the NUMCHECK suboption ZON - ZON(ALPHNUM) & ZON(NOALPHNUM). If NUMCHECK(ZON) is specified, this defaults to NUMCHECK(ZON(ALPHNUM)). NUMCHECK(ZON(NOALPHNUM)) will cause the compiler not to generate numeric checks when comparing zone decimal data items to an alphanumeric literal.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM Enterprise COBOL V6.2 * * compiling and running programs that specify * * the NUMCHECK(ZON) compiler option and who * * would like to suppress the generation of * * numeric checks when comparing zone decimal * * data items to alphanumeric items. * **************************************************************** * PROBLEM DESCRIPTION: New function: New suboptions have been * * added to the existng ZON suboption of * * the NUMCHECK compiler option. The * * suboptions are ZON(ALPHNUM), which * * supports the current behavior, and * * ZON(NOALPHNUM). If the user specifies * * NUMCHECK(ZON(NOALPHNUM)), then the * * compiler will not generate numeric * * checks for comparisons between zone * * decimal data items and alphanumeric * * items. * **************************************************************** * RECOMMENDATION: Apply the IBM provided PTF * **************************************************************** Prior to this new function, it was not possible to limit the scope of the numeric checks generated by the compiler when NUMCHECK(ZON) was in effect. Numeric checks would always be generated for any comparison between zone decimal data items and alphanumeric items, which were not wanted by all users.
Problem conclusion
Temporary fix
Comments
The compiler has been updated to support the new ALPHNUM suboption of the ZON suboption. When NUMCHECK(ZON(NOALPHNUM)) is specified for a compile, then no numeric checks will be generated for comparisons between zone decimal data items and alphanumeric items. The Programming Guide will be changed as follows to describe the new compiler suboption NUMCHECK(ZON(ALPHNUM|NOALPHNUM)): +--------------------------------------------------------------+ | Start of changes for: | | Enterprise COBOL for z/OS Programming Guide, SC14-7382-01 | Chapter 17. Compiler options NUMCHECK The NUMCHECK compiler option tells the compiler whether to generate extra code to validate data items when they are used as sending data items. For zoned decimal (numeric USAGE DISPLAY) and packed decimal (COMP-3) data items, the compiler generates implicit numeric class tests for each sending field. For binary data items, the compiler generates SIZE ERROR checking to see whether the data item has more digits than its PICTURE clause allows. NUMCHECK option syntax | .-NONUMCHECK-------------------------------------------. | >>-+------------------------------------------------------+-> | '-NUMCHECK-+-----------------------------------------+-' | | .-,--------------------------------. | | | V | | | '-(-+-+-ZON-+-------------------+-+-+-+-)-' | | | +-(-+--ALPHNUM--+-)-+ | | | | | '-NOALPHNUM-' | | | | '-NOZON---------------------' | | +-+-PAC---+---------------------+ | | '-NOPAC-' | | +-+-BIN---+---------------------+ | | '-NOBIN-' | | '-+-MSG-+-----------------------+ | '-ABD-' Option default is: NONUMCHECK Suboption defaults are: | If no datatype suboption is specified, default datatype | suboptions are ZON(ALPHNUM), PAC, and BIN. For example, | NUMCHECK=(ABD) has the same effect as | NUMCHECK=(ZON(ALPHNUM),PAC,BIN,ABD). | If only one datatype suboption is specified, defaults | are NOZON, NOPAC, NOBIN, and MSG. For example, | NUMCHECK=(BIN) has the same effect as | NUMCHECK=(NOZON,NOPAC,BIN,MSG). | If all datatype suboptions are specified with NO, then | the listing will show NONUMCHECK. For example, | NUMCHECK=(NOZON,NOPAC,NOBIN) has the same effect as | NUMCHECK=NO. Abbreviations are: NONC | NC | ZON [(ALPHNUM | NOALPHNUM)] | NOZON | | Specifying ZON or ZON(ALPHNUM) causes the compiler to | generate code for an implicit numeric class test for zoned | decimal (numeric USAGE DISPLAY) data items that are used as | sending data items in COBOL statements. | | Specifying ZON(NOALPHNUM) causes the compiler to avoid | generating code for an implicit numeric class test for | zoned decimal (numeric USAGE DISPLAY) data items when they | are used in a comparison with an alphanumeric data item, | alphanumeric literal or alphanumeric figurative constant. PAC | NOPAC Specifying PAC causes the compiler to generate code for an implicit numeric class test for packed decimal (COMP-3) data items that are used as sending data items in COBOL statements. BIN | NOBIN Specifying BIN causes the compiler to generate code similar to ON SIZE ERROR to test if binary data items contents are bigger than the PICTURE clause when TRUNC(BIN) is not in effect. This extra code will be generated only for binary data items that are used as sending data items, and COMP-5 data items will not get this ON SIZE ERROR code generated. MSG | ABD Determines whether the message issued for invalid data is a warning level message to continue processing or a terminating level message to cause an abend: If MSG is in effect, a runtime warning message with the line number, data item name, data item content, and program name is issued. If ABD is in effect, a terminating message is issued that causes an abend. NUMCHECK(ZON,MSG) is treated as if NUMCHECK(MSG) were in effect. NUMCHECK(ZON,ABD) is treated as if NUMCHECK(ABD) were in effect. | End of changes for: | | Enterprise COBOL for z/OS Programming Guide, SC14-7382-01 | +--------------------------------------------------------------+ The Customization Guide will be changed as follows to describe the syntax of the new compiler suboption, NUMCHECK(ZON(ALPHNUM|NOALPHNUM)): +--------------------------------------------------------------+ | Start of changes for: | | Enterprise COBOL for z/OS Customization Guide, SC14-7380-01 | Chapter 2: Enterprise COBOL compiler options The NUMCHECK compiler option tells the compiler whether to generate extra code to validate data items when they are used as sending data items. For zoned decimal (numeric USAGE DISPLAY) and packed decimal (COMP-3) data items, the compiler generates implicit numeric class tests for each sending field. For binary data items, the compiler generates SIZE ERROR checking to see whether the data item has more digits than its PICTURE clause allows. Syntax | .--NO---------------------------------. | |.-,--------------------------------. | | |V | | |>>-NUMCHECK=-+---+-(-+-+-+-ZON-+-------------------+-+-+-+-+)-> | +-*-+ | | '-(-+--ALPHNUM--+-)-' | | | | | '-NOALPHNUM-' | | | | '-NOZON---------------------' | | +-+-PAC---+---------------------+ | | '-NOPAC-' | | +-+-BIN---+---------------------+ | | '-NOBIN-' | | '-+-MSG-+-----------------------' | '-ABD-' Default NUMCHECK=(NO) Suboption defaults are: | If no datatype suboption is specified, default datatype | suboptions are ZON, PAC, and BIN. For example, | NUMCHECK=(ABD) has the same effect as | NUMCHECK=(ZON(ALPHNUM),PAC,BIN,ABD). | If only one datatype suboption is specified, defaults | are NOZON, NOPAC, NOBIN, and MSG. For example, | NUMCHECK=(BIN) has the same effect as | NUMCHECK=(NOZON,NOPAC,BIN,MSG). | If all datatype suboptions are specified with NO, then | the listing will show NONUMCHECK. For example, | NUMCHECK=(NOZON,NOPAC,NOBIN) has the same effect as | NUMCHECK=NO. | ZON [(ALPHNUM | NOALPHNUM)] | NOZON | Specifying ZON or ZON(ALPHNUM) causes the compiler to | generate code for an implicit numeric class test for zoned | decimal (numeric USAGE DISPLAY) data items that are used | as sending data items in COBOL statements. | Specifying ZON(NOALPHNUM) causes the compiler to avoid | generating code for an implicit numeric class test for | zoned decimal (numeric USAGE DISPLAY) data items when they | are used in a comparison with an alphanumeric data item, | alphanumeric literal or alphanumeric figurative constant. | Receivers are not checked, unless they are both a sender | and a receiver, such as data item B in the following | sample statements: ADD A TO B DIVIDE A INTO B COMPUTE B = A + B INITIALIZE B REPLACING ALPHANUMERIC BY B This checking is done before the data is used in each statement: | If the data is NOT NUMERIC, either a warning message | for NUMCHECK=(ZON(ALPHNUM),MSG) or a terminating | message for NUMCHECK=(ZON(ALPHNUM),ABD) is issued. If the data is NUMERIC, the external behavior of the statement is the same as NUMCHECK=(NOZON), other than being slower. Chapter 19: Debugging, section Getting Listings, Reading LIST output, Signature information bytes In signature byte 31, modify description of bit 0 as follows: |31|0| NUMCHECK(ZON[(ALPHNUM)]) | Not NUMCHECK(ZON[(ALPHNUM)]) In signature byte 31, add a new bit 6 as follows: |31|6| NUMCHECK(ZON(NOALPHNUM)) | Not NUMCHECK(ZON(NOALPHNUM)) | End of changes for: | | Enterprise COBOL for z/OS Programming Guide, SC14-7382-01 | +--------------------------------------------------------------+
APAR Information
APAR number
PI98480
Reported component name
ENT COBOL FOR Z
Reported component ID
5655EC600
Reported release
620
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-05-28
Closed date
2018-07-18
Last modified date
2018-10-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
IGY8RWTU IGYCASMB IGYCCBE IGYCCCRT IGYCCICS IGYCCSRV IGYCDGEN IGYCDIAG IGYCDMAP IGYCEN$0 IGYCEN$1 IGYCEN$2 IGYCEN$3 IGYCEN$4 IGYCEN$5 IGYCEN$8 IGYCEN$D IGYCEN$R IGYCFGEN IGYCFREE IGYCINIT IGYCJA$0 IGYCJA$1 IGYCJA$2 IGYCJA$3 IGYCJA$4 IGYCJA$5 IGYCJA$8 IGYCJA$D IGYCJA$R IGYCLIBH IGYCLIBO IGYCLIBR IGYCLSTR IGYCLVL0 IGYCLVL1 IGYCLVL2 IGYCLVL3 IGYCLVL8 IGYCMALL IGYCOB2E IGYCOPI IGYCOSCN IGYCPGEN IGYCRCTL IGYCRDPR IGYCRDSC IGYCREAL IGYCRWT IGYCSCAN IGYCSIMD IGYCUE$0 IGYCUE$1 IGYCUE$2 IGYCUE$3 IGYCUE$4 IGYCUE$5 IGYCUE$8 IGYCUE$D IGYCUE$R IGYCXREF IGYDRV IGYEQCWI IGYMSGE IGYMSGK IGYMSGT IGYQCBE IGYWIVP1 IGYWIVP2 IGYZQDRV IGYZQENU IGYZQJPN
| SC14738201 | SC14738001 |
Fix information
Fixed component name
ENT COBOL FOR Z
Fixed component ID
5655EC600
Applicable component levels
R620 PSY UI57342
UP18/08/02 P F807
R621 PSY UI58271
UP18/10/02 P F809
R622 PSY UI57344
UP18/07/31 P F807
R62H PSY UI58273
UP18/09/06 P F809
Fix is available
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Document Information
Modified date:
12 December 2023