static const char *
_nc_visbuf2n(int bufnum, const char *buf, int len)
{
const char *vbuf = 0;
char *tp;
int count;
if (buf == 0)
return ("(null)");
if (buf == CANCELLED_STRING)
return ("(cancelled)");
if (len < 0)
len = (int) strlen(buf);
count = len;
#ifdef TRACE
vbuf = tp = _nc_trace_buf(bufnum, NormalLen(len));
#else
{
static char *mybuf[NUM_VISBUFS];
int c;
if (bufnum < 0) {
for (c = 0; c < NUM_VISBUFS; ++c) {
FreeAndNull(mybuf[c]);
}
tp = 0;
} else {
mybuf[bufnum] = typeRealloc(char, NormalLen(len), mybuf[bufnum]);
vbuf = tp = mybuf[bufnum];
}
}
#endif
if (tp != 0) {
int c;
*tp++ = D_QUOTE;
while ((--count >= 0) && (c = *buf++) != '\0') {
tp = VisChar(tp, UChar(c), NormalLen(len));
}
*tp++ = D_QUOTE;
*tp = '\0';
} else {
vbuf = ("(_nc_visbuf2n failed)");
}
return (vbuf);
}
static const char *
_nc_visbuf2n(int bufnum, const char *buf, int len)
{
const char *vbuf;
char *tp;
int c;
if (buf == 0)
return ("(null)");
if (buf == CANCELLED_STRING)
return ("(cancelled)");
if (len < 0)
len = (int) strlen(buf);
#ifdef TRACE
vbuf = tp = _nc_trace_buf(bufnum, NormalLen(len));
#else
{
static char *mybuf[4];
mybuf[bufnum] = typeRealloc(char, NormalLen(len), mybuf[bufnum]);
vbuf = tp = mybuf[bufnum];
}
#endif
if (tp != 0) {
*tp++ = D_QUOTE;
while ((--len >= 0) && (c = *buf++) != '\0') {
tp = _nc_vischar(tp, UChar(c));
}
*tp++ = D_QUOTE;
*tp++ = '\0';
} else {
vbuf = ("(_nc_visbuf2n failed)");
}
return (vbuf);
}
