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| author | Paul Brook <paul@codesourcery.com> | 2004-08-31 15:53:31 +0000 |
|---|---|---|
| committer | Paul Brook <pbrook@gcc.gnu.org> | 2004-08-31 15:53:31 +0000 |
| commit | bd72d66cb5f8450f631da7149bf066f865d56338 (patch) | |
| tree | eeec759a476bd4d9d5f8e220e891469fe79a14bb /libgfortran/io | |
| parent | c789f36b216c9318b7f5fadb3a632f91513e3156 (diff) | |
| download | gcc-bd72d66cb5f8450f631da7149bf066f865d56338.zip gcc-bd72d66cb5f8450f631da7149bf066f865d56338.tar.gz gcc-bd72d66cb5f8450f631da7149bf066f865d56338.tar.bz2 | |
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/io')
| -rw-r--r-- | libgfortran/io/transfer.c | 33 | ||||
| -rw-r--r-- | libgfortran/io/unix.c | 2 |
2 files changed, 22 insertions, 13 deletions
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; |