C/C++ and Java for MVS & zOS.
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- Joined: Fri Mar 03, 2017 2:01 am
C doesn't have anything but errno for fopen failures, but it also doesn't have all the complex mode string extensions that exist in mainframe C.
On the mainframe, if an fopen("dd:...", modestring) fails due to a fopen mode string mismatch relative to the JCL that cataloged and/or allocated the DDNAME/DSNAME in question, is there a way to get extended error information about the precise nature of that fopen mode mismatch?
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I'm not a mainframe C expert, however are you using #include <errno.h> to trap the errors. It might help.
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