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IV30116: STRPTIME() RETURNS IMPROPER MONTH IN JA_JP LOCALE. APPLIES TO AIX 6100-09

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APAR status

  • Closed as program error.

Error description

  • The strptime subroutine returns incorrect month after
setlocale()  if LANG=Ja_JP, JA_JP or ja_JP are used.

This problem can be recreated with the following program:

#include <time.h>
#include <stdio.h>
#include <sys/localedef.h>

int main()
{
  char* source_string="May132012.1";
  struct tm* result_tm;
  int i;

  setlocale(LC_ALL, (char*)getenv("LANG"));

  result_tm=(struct tm*)malloc(sizeof(struct tm));

  strptime(source_string,"%b %d %Y",result_tm);
  fprintf(stdout,"tm_mon=%d tm_mday=%d tm_year=%d ?n",

result_tm->tm_mon,result_tm->tm_mday,result_tm->tm_year);

  exit(0);
}
# cc -o strptime strptime.c
-----
# LANG=Ja_JP
# locale
LANG=Ja_JP
LC_COLLATE="Ja_JP"
LC_CTYPE="Ja_JP"
LC_MONETARY="Ja_JP"
LC_NUMERIC="Ja_JP"
LC_TIME="Ja_JP"
LC_MESSAGES="Ja_JP"
LC_ALL=
# ./strptime
tm_mon=2 tm_mday=13 tm_year=112 <== tm_mon=2 is
"Mar"(incorrect)
-----
# LANG=JA_JP
# locale
LANG=JA_JP
LC_COLLATE="JA_JP"
LC_CTYPE="JA_JP"
LC_MONETARY="JA_JP"
LC_NUMERIC="JA_JP"
LC_TIME="JA_JP"
LC_MESSAGES="JA_JP"
LC_ALL=
# ./strptime
tm_mon=2 tm_mday=13 tm_year=112 <== tm_mon=2 is
"Mar"(incorrect)
-----
# LANG=ja_JP
# locale
LANG=ja_JP
LC_COLLATE="ja_JP"
LC_CTYPE="ja_JP"
LC_MONETARY="ja_JP"
LC_NUMERIC="ja_JP"
LC_TIME="ja_JP"
LC_MESSAGES="ja_JP"
LC_ALL=
# ./strptime
tm_mon=2 tm_mday=13 tm_year=112 <== tm_mon=2 is
"Mar"(incorrect)

Local fix

  • n/a

Problem summary

  • STRPTIME() RETURNS IMPROPER MONTH IN JA_JP LOCALE.

Problem conclusion

  • Change the sequence of conditional checks.

Temporary fix

  • 



Comments


    

  • 6100-08 - use AIX APAR IV29815
6100-09 - use AIX APAR IV30116
7100-02 - use AIX APAR IV29427

    



APAR Information




    

  • APAR number
    IV30116
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2012-10-12
    • 

  • Closed date
    2012-10-12
    • 

  • Last modified date
    2013-11-25
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    
IV25561
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    
U863357
    

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U863357
       UP13/11/25  I  1000
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            17 December 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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