summaryrefslogtreecommitdiffstats
path: root/src/H5FDsec2.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/H5FDsec2.c')
-rw-r--r--src/H5FDsec2.c138
1 files changed, 77 insertions, 61 deletions
diff --git a/src/H5FDsec2.c b/src/H5FDsec2.c
index f888852..bd2ca96 100644
--- a/src/H5FDsec2.c
+++ b/src/H5FDsec2.c
@@ -231,16 +231,17 @@ herr_t
H5Pset_fapl_sec2(hid_t fapl_id)
{
H5P_genplist_t *plist; /* Property list pointer */
- herr_t ret_value=FAIL;
+ herr_t ret_value;
FUNC_ENTER_API(H5Pset_fapl_sec2, FAIL);
H5TRACE1("e","i",fapl_id);
if(TRUE!=H5P_isa_class(fapl_id,H5P_FILE_ACCESS) || NULL == (plist = H5I_object(fapl_id)))
- HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list");
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list");
ret_value= H5P_set_driver(plist, H5FD_SEC2, NULL);
+done:
FUNC_LEAVE(ret_value);
}
@@ -268,7 +269,7 @@ H5FD_sec2_open(const char *name, unsigned flags, hid_t UNUSED fapl_id,
haddr_t maxaddr)
{
int o_flags;
- int fd;
+ int fd=(-1);
H5FD_sec2_t *file=NULL;
#ifdef WIN32
HFILE filehandle;
@@ -276,16 +277,17 @@ H5FD_sec2_open(const char *name, unsigned flags, hid_t UNUSED fapl_id,
int results;
#endif
h5_stat_t sb;
+ H5FD_t *ret_value;
FUNC_ENTER_NOAPI(H5FD_sec2_open, NULL);
/* Check arguments */
if (!name || !*name)
- HRETURN_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid file name");
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid file name");
if (0==maxaddr || HADDR_UNDEF==maxaddr)
- HRETURN_ERROR(H5E_ARGS, H5E_BADRANGE, NULL, "bogus maxaddr");
+ HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, NULL, "bogus maxaddr");
if (ADDR_OVERFLOW(maxaddr))
- HRETURN_ERROR(H5E_ARGS, H5E_OVERFLOW, NULL, "bogus maxaddr");
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, NULL, "bogus maxaddr");
/* Build the open flags */
o_flags = (H5F_ACC_RDWR & flags) ? O_RDWR : O_RDONLY;
@@ -295,16 +297,14 @@ H5FD_sec2_open(const char *name, unsigned flags, hid_t UNUSED fapl_id,
/* Open the file */
if ((fd=HDopen(name, o_flags, 0666))<0)
- HRETURN_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file");
- if (HDfstat(fd, &sb)<0) {
- HDclose(fd);
- HRETURN_ERROR(H5E_FILE, H5E_BADFILE, NULL, "unable to fstat file");
- }
+ HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file");
+ if (HDfstat(fd, &sb)<0)
+ HGOTO_ERROR(H5E_FILE, H5E_BADFILE, NULL, "unable to fstat file");
/* Create the new file struct */
if (NULL==(file=H5FL_ALLOC(H5FD_sec2_t,1)))
- HRETURN_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL,
- "unable to allocate file struct");
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "unable to allocate file struct");
+
file->fd = fd;
file->eof = sb.st_size;
file->pos = HADDR_UNDEF;
@@ -318,7 +318,17 @@ H5FD_sec2_open(const char *name, unsigned flags, hid_t UNUSED fapl_id,
file->device = sb.st_dev;
file->inode = sb.st_ino;
#endif
- FUNC_LEAVE((H5FD_t*)file);
+
+ /* Set return value */
+ ret_value=(H5FD_t*)file;
+
+done:
+ if(ret_value==NULL) {
+ if(fd>=0)
+ HDclose(fd);
+ } /* end if */
+
+ FUNC_LEAVE(ret_value);
}
@@ -342,15 +352,17 @@ static herr_t
H5FD_sec2_close(H5FD_t *_file)
{
H5FD_sec2_t *file = (H5FD_sec2_t*)_file;
+ herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5FD_sec2_close, FAIL);
if (HDclose(file->fd)<0)
- HRETURN_ERROR(H5E_IO, H5E_CANTCLOSEFILE, FAIL, "unable to close file");
+ HGOTO_ERROR(H5E_IO, H5E_CANTCLOSEFILE, FAIL, "unable to close file");
H5FL_FREE(H5FD_sec2_t,file);
- FUNC_LEAVE(SUCCEED);
+done:
+ FUNC_LEAVE(ret_value);
}
@@ -382,29 +394,30 @@ H5FD_sec2_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
FUNC_ENTER_NOAPI(H5FD_sec2_cmp, H5FD_VFD_DEFAULT);
#ifdef WIN32
- if (f1->fileindexhi < f2->fileindexhi) ret_value= -1;
- if (f1->fileindexhi > f2->fileindexhi) ret_value= 1;
+ if (f1->fileindexhi < f2->fileindexhi) HGOTO_DONE(-1);
+ if (f1->fileindexhi > f2->fileindexhi) HGOTO_DONE(1);
- if (f1->fileindexlo < f2->fileindexlo) ret_value= -1;
- if (f1->fileindexlo > f2->fileindexlo) ret_value= 1;
+ if (f1->fileindexlo < f2->fileindexlo) HGOTO_DONE(-1);
+ if (f1->fileindexlo > f2->fileindexlo) HGOTO_DONE(1);
#else
#ifdef H5_DEV_T_IS_SCALAR
- if (f1->device < f2->device) ret_value= -1;
- if (f1->device > f2->device) ret_value= 1;
+ if (f1->device < f2->device) HGOTO_DONE(-1);
+ if (f1->device > f2->device) HGOTO_DONE(1);
#else /* H5_DEV_T_IS_SCALAR */
/* If dev_t isn't a scalar value on this system, just use memcmp to
* determine if the values are the same or not. The actual return value
* shouldn't really matter...
*/
- if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))<0) ret_value= -1;
- if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))>0) ret_value= 1;
+ if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))<0) HGOTO_DONE(-1);
+ if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))>0) HGOTO_DONE(1);
#endif /* H5_DEV_T_IS_SCALAR */
- if (f1->inode < f2->inode) ret_value= -1;
- if (f1->inode > f2->inode) ret_value= 1;
+ if (f1->inode < f2->inode) HGOTO_DONE(-1);
+ if (f1->inode > f2->inode) HGOTO_DONE(1);
#endif
+done:
FUNC_LEAVE(ret_value);
}
@@ -562,6 +575,7 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, hadd
{
H5FD_sec2_t *file = (H5FD_sec2_t*)_file;
ssize_t nbytes;
+ herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5FD_sec2_read, FAIL);
@@ -570,20 +584,16 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, hadd
/* Check for overflow conditions */
if (HADDR_UNDEF==addr)
- HRETURN_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "addr undefined");
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "addr undefined");
if (REGION_OVERFLOW(addr, size))
- HRETURN_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
if (addr+size>file->eoa)
- HRETURN_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
/* Seek to the correct location */
if ((addr!=file->pos || OP_READ!=file->op) &&
- file_seek(file->fd, (file_offset_t)addr, SEEK_SET)<0) {
- file->pos = HADDR_UNDEF;
- file->op = OP_UNKNOWN;
- HRETURN_ERROR(H5E_IO, H5E_SEEKERROR, FAIL,
- "unable to seek to proper position");
- }
+ file_seek(file->fd, (file_offset_t)addr, SEEK_SET)<0)
+ HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position");
/*
* Read data, being careful of interrupted system calls, partial results,
@@ -593,12 +603,8 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, hadd
do {
nbytes = HDread(file->fd, buf, size);
} while (-1==nbytes && EINTR==errno);
- if (-1==nbytes) {
- /* error */
- file->pos = HADDR_UNDEF;
- file->op = OP_UNKNOWN;
- HRETURN_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed");
- }
+ if (-1==nbytes) /* error */
+ HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed");
if (0==nbytes) {
/* end of file but not end of format address space */
HDmemset(buf, 0, size);
@@ -614,7 +620,15 @@ H5FD_sec2_read(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, hadd
/* Update current position */
file->pos = addr;
file->op = OP_READ;
- FUNC_LEAVE(SUCCEED);
+
+done:
+ if(ret_value<0) {
+ /* Reset last file I/O information */
+ file->pos = HADDR_UNDEF;
+ file->op = OP_UNKNOWN;
+ } /* end if */
+
+ FUNC_LEAVE(ret_value);
}
@@ -642,6 +656,7 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, had
{
H5FD_sec2_t *file = (H5FD_sec2_t*)_file;
ssize_t nbytes;
+ herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5FD_sec2_write, FAIL);
@@ -650,20 +665,16 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, had
/* Check for overflow conditions */
if (HADDR_UNDEF==addr)
- HRETURN_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "addr undefined");
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "addr undefined");
if (REGION_OVERFLOW(addr, size))
- HRETURN_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
if (addr+size>file->eoa)
- HRETURN_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
+ HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow");
/* Seek to the correct location */
if ((addr!=file->pos || OP_WRITE!=file->op) &&
- file_seek(file->fd, (file_offset_t)addr, SEEK_SET)<0) {
- file->pos = HADDR_UNDEF;
- file->op = OP_UNKNOWN;
- HRETURN_ERROR(H5E_IO, H5E_SEEKERROR, FAIL,
- "unable to seek to proper position");
- }
+ file_seek(file->fd, (file_offset_t)addr, SEEK_SET)<0)
+ HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position");
/*
* Write the data, being careful of interrupted system calls and partial
@@ -673,12 +684,8 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, had
do {
nbytes = HDwrite(file->fd, buf, size);
} while (-1==nbytes && EINTR==errno);
- if (-1==nbytes) {
- /* error */
- file->pos = HADDR_UNDEF;
- file->op = OP_UNKNOWN;
- HRETURN_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed");
- }
+ if (-1==nbytes) /* error */
+ HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed");
assert(nbytes>0);
assert((size_t)nbytes<=size);
size -= nbytes;
@@ -692,7 +699,14 @@ H5FD_sec2_write(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, had
if (file->pos>file->eof)
file->eof = file->pos;
- FUNC_LEAVE(SUCCEED);
+done:
+ if(ret_value<0) {
+ /* Reset last file I/O information */
+ file->pos = HADDR_UNDEF;
+ file->op = OP_UNKNOWN;
+ } /* end if */
+
+ FUNC_LEAVE(ret_value);
}
@@ -721,6 +735,7 @@ H5FD_sec2_flush(H5FD_t *_file, unsigned UNUSED closing)
HFILE filehandle; /* Windows file handle */
LARGE_INTEGER li; /* 64-bit integer for SetFilePointer() call */
#endif /* WIN32 */
+ herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5FD_sec2_flush, FAIL);
@@ -737,10 +752,10 @@ H5FD_sec2_flush(H5FD_t *_file, unsigned UNUSED closing)
li.QuadPart = file->eoa;
SetFilePointer((HANDLE)filehandle,li.LowPart,&li.HighPart,FILE_BEGIN);
if(SetEndOfFile((HANDLE)filehandle)==0)
- HRETURN_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly");
+ HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly");
#else /* WIN32 */
if (-1==file_truncate(file->fd, (file_offset_t)file->eoa))
- HRETURN_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly");
+ HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to extend file properly");
#endif /* WIN32 */
/* Update the eof value */
@@ -751,5 +766,6 @@ H5FD_sec2_flush(H5FD_t *_file, unsigned UNUSED closing)
file->op = OP_UNKNOWN;
}
- FUNC_LEAVE(SUCCEED);
+done:
+ FUNC_LEAVE(ret_value);
}
generated by cgit v0.12 at 2024-07-09 06:45:55 (GMT)