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#include <funtools.h>
typedef struct evstruct{
int pi;
} *Ev, EvRec;
int main(int argc, char **argv)
{
int i, got;
int maxrow=1024;
Ev ev, ebuf=NULL;
Fun fun, ofun;
/* open file for reading */
if( !(fun=FunOpen(argv[1], "r", NULL)) ){
fprintf(stderr, "ERROR: can't open input funtools file: %s\n", argv[1]);
return 1;
}
if( !(ofun=FunOpen(argv[2], "w", fun)) ){
fprintf(stderr, "ERROR: can't open output funtools file: %s\n", argv[2]);
return 1;
}
/* select columns to read (and data types to convert to) */
got = FunColumnSelect(fun, sizeof(EvRec), "merge=update",
"pi", "J", "rw", FUN_OFFSET(Ev, pi),
NULL);
/* read and process events */
while(ebuf=(void *)FunTableRowGet(fun, NULL, maxrow, NULL, &got) ){
for(i=0; i<got; i++){
ev = (Ev)ebuf+i;
ev->pi = ev->pi + 1;
}
if( FunTableRowPut(ofun, ebuf, got, 0, NULL) != got ){
fprintf(stderr, "ERROR: writing to funtools file: %s\n", argv[2]);
return 1;
}
if( ebuf) free(ebuf);
}
/* close files */
FunClose(ofun);
FunClose(fun);
}
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