diff options
Diffstat (limited to 'libgfortran/io/transfer.c')
| -rw-r--r-- | libgfortran/io/transfer.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/libgfortran/io/transfer.c b/libgfortran/io/transfer.c index da3e3f2000c..e94eb7431e6 100644 --- a/libgfortran/io/transfer.c +++ b/libgfortran/io/transfer.c @@ -638,6 +638,14 @@ write_buf (st_parameter_dt *dtp, void *buf, size_t nbytes) return FAILURE; } + if (buf == NULL && nbytes == 0) + { + char *p; + p = write_block (dtp, dtp->u.p.current_unit->recl); + memset (p, 0, dtp->u.p.current_unit->recl); + return SUCCESS; + } + if (swrite (dtp->u.p.current_unit->s, buf, &nbytes) != 0) { generate_error (&dtp->common, LIBERROR_OS, NULL); @@ -648,7 +656,6 @@ write_buf (st_parameter_dt *dtp, void *buf, size_t nbytes) dtp->u.p.current_unit->bytes_left -= (gfc_offset) nbytes; return SUCCESS; - } /* Unformatted sequential. */ @@ -1507,9 +1514,15 @@ transfer_array (st_parameter_dt *dtp, gfc_array_char *desc, int kind, extent[n] = desc->dim[n].ubound + 1 - desc->dim[n].lbound; /* If the extent of even one dimension is zero, then the entire - array section contains zero elements, so we return. */ + array section contains zero elements, so we return after writing + a zero array record. */ if (extent[n] <= 0) - return; + { + data = NULL; + tsize = 0; + dtp->u.p.transfer (dtp, iotype, data, kind, size, tsize); + return; + } } stride0 = stride[0]; |