petsc-master 2015-11-25
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The PETSc version of vsnprintf(). Converts a PETSc format string into a standard C format string and then puts all the function arguments into a string using the format statement.


PetscErrorCode  PetscVSNPrintf(char *str,size_t len,const char *format,size_t *fullLength,va_list Argp)

Input Parameters

str - location to put result
len - the amount of space in str + format - the PETSc format string
fullLength - the amount of space in str actually used.

Developer Notes: this function may be called from an error handler, if an error occurs when it is called by the error handler than likely a recursion will occur and possible crash.

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