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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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v_02_06
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2n06020d
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1991-04-28
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994b
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42 lines
#include <stdio.h>
#include "snooper.h"
#ifndef NDEBUG
int dump = 0; /* use __EXTERN_DECL() to reference */
/* 'dump' in other source modules...*/
/* Typing "+help" on command line prints out
* argument explanation strings. .... */
static DEBUG_ARGS Argtab[] = {
"dump", &dump,"Dump called() argument to file 'debug.000'",
0, 0, 0
};
#endif /* NDEBUG */
static char buffer[BUFSIZ];
void print_byte(int x)
{
/* Prints formatted string to file "debug.000"
* if 'dump' is non-zero and argument 'x' is
* negative.
*/
__WATCH(dump && x < 0,__FIL0__,
d_printf("called(): arg = %d\n", x));
/* continue ..... */
}
void main(int argc, char **argv )
{
int i;
FILE *fp;
__GETARGS(Argtab); /* extract "dump" from cmd line */
fp = fopen("testfile", "r" );
fread(buffer,1,BUFSIZ,fp);
for( i = 0 ; i < BUFSIZ ; ++i ) {
print_byte((int) buffer[i]);
}
}