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Fixed bug #203, rank-1 crashed with isam-c
[idzebra-moved-to-github.git]
/
bfile
/
mfile.c
diff --git
a/bfile/mfile.c
b/bfile/mfile.c
index
50de65a
..
3993e34
100644
(file)
--- a/
bfile/mfile.c
+++ b/
bfile/mfile.c
@@
-1,4
+1,4
@@
-/* $Id: mfile.c,v 1.50 2003-02-28 15:28:36 adam Exp $
+/* $Id: mfile.c,v 1.55 2004-08-06 12:55:01 adam Exp $
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
Index Data Aps
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003
Index Data Aps
@@
-132,9
+132,10
@@
static int scan_areadef(MFile_area ma, const char *ad, const char *base)
return 0;
}
return 0;
}
-static int file_position(MFile mf, int pos, int offset)
+static zint file_position(MFile mf, zint pos, int offset)
{
{
- int off = 0, c = mf->cur_file, ps;
+ zint off = 0, ps;
+ int c = mf->cur_file;
if ((c > 0 && pos <= mf->files[c-1].top) ||
(c < mf->no_files -1 && pos > mf->files[c].top))
if ((c > 0 && pos <= mf->files[c-1].top) ||
(c < mf->no_files -1 && pos > mf->files[c].top))
@@
-162,10
+163,13
@@
static int file_position(MFile mf, int pos, int offset)
return -1;
}
}
return -1;
}
}
- if (mfile_seek(mf->files[c].fd, (ps = pos - off) * mf->blocksize + offset,
+ ps = pos - off;
+ if (mfile_seek(mf->files[c].fd, ps * (mfile_off_t) mf->blocksize + offset,
SEEK_SET) < 0)
{
logf (LOG_WARN|LOG_ERRNO, "Failed to seek in %s", mf->files[c].path);
SEEK_SET) < 0)
{
logf (LOG_WARN|LOG_ERRNO, "Failed to seek in %s", mf->files[c].path);
+ logf(LOG_WARN, "pos=" ZINT_FORMAT " off=" ZINT_FORMAT " blocksize=%d offset=%d",
+ pos, off, mf->blocksize, offset);
return -1;
}
mf->cur_file = c;
return -1;
}
mf->cur_file = c;
@@
-174,7
+178,12
@@
static int file_position(MFile mf, int pos, int offset)
static int cmp_part_file(const void *p1, const void *p2)
{
static int cmp_part_file(const void *p1, const void *p2)
{
- return ((part_file *)p1)->number - ((part_file *)p2)->number;
+ zint d = ((part_file *)p1)->number - ((part_file *)p2)->number;
+ if (d > 0)
+ return 1;
+ if (d < 0)
+ return -1;
+ return 0;
}
/*
}
/*
@@
-241,6
+250,7
@@
MFile_area mf_init(const char *name, const char *spec, const char *base)
meta_f->next = ma->mfiles;
meta_f->open = 0;
meta_f->cur_file = -1;
meta_f->next = ma->mfiles;
meta_f->open = 0;
meta_f->cur_file = -1;
+ meta_f->unlink_flag = 0;
ma->mfiles = meta_f;
strcpy(meta_f->name, metaname);
part_f = &meta_f->files[0];
ma->mfiles = meta_f;
strcpy(meta_f->name, metaname);
part_f = &meta_f->files[0];
@@
-372,6
+382,7
@@
MFile mf_open(MFile_area ma, const char *name, int block_size, int wflag)
mnew->files[0].top = -1;
mnew->files[0].number = 0;
mnew->files[0].fd = -1;
mnew->files[0].top = -1;
mnew->files[0].number = 0;
mnew->files[0].fd = -1;
+ mnew->unlink_flag = 0;
mnew->min_bytes_creat = MF_MIN_BLOCKS_CREAT * block_size;
for (dp = ma->dirs; dp && dp->max_bytes >= 0 && dp->avail_bytes <
mnew->min_bytes_creat; dp = dp->next);
mnew->min_bytes_creat = MF_MIN_BLOCKS_CREAT * block_size;
for (dp = ma->dirs; dp && dp->max_bytes >= 0 && dp->avail_bytes <
mnew->min_bytes_creat; dp = dp->next);
@@
-427,6
+438,7
@@
int mf_close(MFile mf)
logf (LOG_DEBUG, "mf_close(%s)", mf->name);
assert(mf->open);
for (i = 0; i < mf->no_files; i++)
logf (LOG_DEBUG, "mf_close(%s)", mf->name);
assert(mf->open);
for (i = 0; i < mf->no_files; i++)
+ {
if (mf->files[i].fd >= 0)
{
#ifndef WIN32
if (mf->files[i].fd >= 0)
{
#ifndef WIN32
@@
-435,6
+447,9
@@
int mf_close(MFile mf)
close(mf->files[i].fd);
mf->files[i].fd = -1;
}
close(mf->files[i].fd);
mf->files[i].fd = -1;
}
+ if (mf->unlink_flag)
+ unlink(mf->files[i].path);
+ }
mf->open = 0;
return 0;
}
mf->open = 0;
return 0;
}
@@
-442,9
+457,10
@@
int mf_close(MFile mf)
/*
* Read one block from a metafile. Interface mirrors bfile.
*/
/*
* Read one block from a metafile. Interface mirrors bfile.
*/
-int mf_read(MFile mf, int no, int offset, int nbytes, void *buf)
+int mf_read(MFile mf, zint no, int offset, int nbytes, void *buf)
{
{
- int rd, toread;
+ zint rd;
+ int toread;
zebra_mutex_lock (&mf->mutex);
if ((rd = file_position(mf, no, offset)) < 0)
zebra_mutex_lock (&mf->mutex);
if ((rd = file_position(mf, no, offset)) < 0)
@@
-477,9
+493,11
@@
int mf_read(MFile mf, int no, int offset, int nbytes, void *buf)
/*
* Write.
*/
/*
* Write.
*/
-int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
+int mf_write(MFile mf, zint no, int offset, int nbytes, const void *buf)
{
{
- int ps, nblocks, towrite;
+ zint ps;
+ zint nblocks;
+ int towrite;
mf_dir *dp;
char tmp[FILENAME_MAX+1];
unsigned char dummych = '\xff';
mf_dir *dp;
char tmp[FILENAME_MAX+1];
unsigned char dummych = '\xff';
@@
-503,7
+521,7
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
if ((nblocks = (int) (mf->files[mf->cur_file].dir->avail_bytes /
mf->blocksize)) > 0)
{
if ((nblocks = (int) (mf->files[mf->cur_file].dir->avail_bytes /
mf->blocksize)) > 0)
{
- logf (LOG_DEBUG, "Capping off file %s at pos %d",
+ logf (LOG_DEBUG, "Capping off file %s at pos " ZINT_FORMAT,
mf->files[mf->cur_file].path, nblocks);
if ((ps = file_position(mf,
(mf->cur_file ? mf->files[mf->cur_file-1].top : 0) +
mf->files[mf->cur_file].path, nblocks);
if ((ps = file_position(mf,
(mf->cur_file ? mf->files[mf->cur_file-1].top : 0) +
@@
-513,7
+531,7
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
mf->name);
exit(1);
}
mf->name);
exit(1);
}
- logf (LOG_DEBUG, "ps = %d", ps);
+ logf (LOG_DEBUG, "ps = " ZINT_FORMAT, ps);
if (write(mf->files[mf->cur_file].fd, &dummych, 1) < 1)
{
logf (LOG_ERRNO|LOG_FATAL, "mf_write %s internal error (3)",
if (write(mf->files[mf->cur_file].fd, &dummych, 1) < 1)
{
logf (LOG_ERRNO|LOG_FATAL, "mf_write %s internal error (3)",
@@
-545,7
+563,7
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
mf->files[mf->cur_file].blocks = 0;
mf->files[mf->cur_file].bytes = 0;
mf->files[mf->cur_file].fd = -1;
mf->files[mf->cur_file].blocks = 0;
mf->files[mf->cur_file].bytes = 0;
mf->files[mf->cur_file].fd = -1;
- sprintf(tmp, "%s/%s-%d.mf", dp->name, mf->name,
+ sprintf(tmp, "%s/%s-" ZINT_FORMAT ".mf", dp->name, mf->name,
mf->files[mf->cur_file].number);
mf->files[mf->cur_file].path = xstrdup(tmp);
mf->no_files++;
mf->files[mf->cur_file].number);
mf->files[mf->cur_file].path = xstrdup(tmp);
mf->no_files++;
@@
-583,10
+601,14
@@
int mf_write(MFile mf, int no, int offset, int nbytes, const void *buf)
*/
int mf_unlink(MFile mf)
{
*/
int mf_unlink(MFile mf)
{
- int i;
-
- for (i = 0; i < mf->no_files; i++)
- unlink (mf->files[i].path);
+ if (mf->open)
+ mf->unlink_flag = 1;
+ else
+ {
+ int i;
+ for (i = 0; i<mf->no_files; i++)
+ unlink(mf->files[i].path);
+ }
return 0;
}
return 0;
}