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authorPaul Brook <paul@codesourcery.com>2004-08-31 15:53:31 +0000
committerPaul Brook <pbrook@gcc.gnu.org>2004-08-31 15:53:31 +0000
commitbd72d66cb5f8450f631da7149bf066f865d56338 (patch)
treeeeec759a476bd4d9d5f8e220e891469fe79a14bb /libgfortran
parentc789f36b216c9318b7f5fadb3a632f91513e3156 (diff)
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transfer.c (read_sf): Rename uinty to readlen.
* io/transfer.c (read_sf): Rename uinty to readlen. Detect EOF. (finalize_transfer): Move setjmp after namlist IO. * io/unix.c (mem_alloc_r_at): Calculate remaining length correctly. testsuite/ * gfortran.dg/eof_1.f90: New test. From-SVN: r86831
Diffstat (limited to 'libgfortran')
-rw-r--r--libgfortran/ChangeLog6
-rw-r--r--libgfortran/io/transfer.c33
-rw-r--r--libgfortran/io/unix.c2
3 files changed, 28 insertions, 13 deletions
diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 28329d2..1c76245 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,5 +1,11 @@
2004-08-31 Paul Brook <paul@codesourcery.com>
+ * io/transfer.c (read_sf): Rename uinty to readlen. Detect EOF.
+ (finalize_transfer): Move setjmp after namlist IO.
+ * io/unix.c (mem_alloc_r_at): Calculate remaining length correctly.
+
+2004-08-31 Paul Brook <paul@codesourcery.com>
+
* list_read.c (eat_separator): Set at_eo when a '/' is seen.
2004-08-31 Tobias Schlueter <tobias.schlueter@physik.uni-muenchen.de>
diff --git a/libgfortran/io/transfer.c b/libgfortran/io/transfer.c
index 5d4dcd5..ca92072 100644
--- a/libgfortran/io/transfer.c
+++ b/libgfortran/io/transfer.c
@@ -119,7 +119,7 @@ read_sf (int *length)
{
static char data[SCRATCH_SIZE];
char *base, *p, *q;
- int n, unity;
+ int n, readlen;
if (*length > SCRATCH_SIZE)
p = base = line_buffer = get_mem (*length);
@@ -129,24 +129,33 @@ read_sf (int *length)
memset(base,'\0',*length);
current_unit->bytes_left = options.default_recl;
- unity = 1;
+ readlen = 1;
n = 0;
do
{
if (is_internal_unit())
{
- /* unity may be modified inside salloc_r if
+ /* readlen may be modified inside salloc_r if
is_internal_unit() is true. */
- unity = 1;
+ readlen = 1;
}
- q = salloc_r (current_unit->s, &unity);
+ q = salloc_r (current_unit->s, &readlen);
if (q == NULL)
break;
- if (*q == '\n')
+ /* If we have a line without a terminating \n, drop through to
+ EOR below. */
+ if (readlen < 1 & n == 0)
{
+ generate_error (ERROR_END, NULL);
+ return NULL;
+ }
+
+ if (readlen < 1 || *q == '\n')
+ {
+ /* ??? What is this for? */
if (current_unit->unit_number == options.stdin_unit)
{
if (n <= 0)
@@ -1345,12 +1354,6 @@ static void
finalize_transfer (void)
{
- if (setjmp (g.eof_jump))
- {
- generate_error (ERROR_END, NULL);
- return;
- }
-
if ((ionml != NULL) && (ioparm.namelist_name != NULL))
{
if (ioparm.namelist_read_mode)
@@ -1363,6 +1366,12 @@ finalize_transfer (void)
if (current_unit == NULL)
return;
+ if (setjmp (g.eof_jump))
+ {
+ generate_error (ERROR_END, NULL);
+ return;
+ }
+
if (ioparm.list_format && g.mode == READING)
finish_list_read ();
else
diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c
index 0c65258..33d7fda 100644
--- a/libgfortran/io/unix.c
+++ b/libgfortran/io/unix.c
@@ -751,7 +751,7 @@ mem_alloc_r_at (unix_stream * s, int *len, gfc_offset where)
s->logical_offset = where + *len;
- n = (where - s->buffer_offset) - s->active;
+ n = s->buffer_offset + s->active - where;
if (*len > n)
*len = n;