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[open-cobol-list] How to extract a variable value of cob_field f_nn in
From: |
henry wang |
Subject: |
[open-cobol-list] How to extract a variable value of cob_field f_nn in translated c? |
Date: |
Sat Dec 17 08:58:03 2005 |
Hi Roger,
There is a difficult thing for me:
a variable in Cobol program
01 COB_VAR1 PIC S9(0006)V PACKED-DECIMAL.
this Cobol program was traslanted to c file, i got the following in .h file:
...
static unsigned char b_10[4]; /* COB_VAR1 */
...
static cob_field f_10 = {4, b_10, &a_12}; /* COB_VAR1 */
Now i want to extract a variable value of f_10 in traslanted c file, then passing it as parameter,following lines have been added in traslanted c file.
float p1;
unsigned char char_p1[4];
cob_memcpy (&f_10, char_p1, 4);
p1= atof(char_p1);
But "Segmentation fault (core dumped)" occurred at cob_memcpy (&f_10, char_p1, 4);
Could you guide me about it?
Thank you very much in advance!
Henry
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