putbuff::idx is only used within FatFs.
 
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putbuff::idx field

Syntax

int idx;

References

LocationReferrerText
ff.c:5911
int idx, nchr; /* Write index of buf[] (-1:error), number of chars written */
ff.c:5930putc_bfd()
i = pb->idx; /* Write index of pb->buf[] */
ff.c:5967putc_bfd()
pb->idx = i;
ff.c:5979putc_flush()
if ( pb->idx >= 0 /* Flush buffered characters to the file */
ff.c:5980putc_flush()
&& f_write(pb->fp, pb->buf, (UINT)pb->idx, &nw) == FR_OK
ff.c:5981putc_flush()
&& (UINT)pb->idx == nw) return pb->nchr;
ff.c:5993putc_init()
pb->nchr = pb->idx = 0;

Data Use

Functions writing putbuff::idx
Functions reading putbuff::idx
all items filtered out
putbuff::idx
all items filtered out