Use HDoff_t with lseek consistently (#3600)

lseek on Windows uses __int64 for both the offset and return type
instead of off_t like most POSIX systems. This changes ensures we
use HDoff_t (which is typdef'd correctly on Windows) w/ lseek.

6 files changed, 8 insertions, 8 deletions

diff --git a/test/atomic_reader.c b/test/atomic_reader.c
index c8bbbae..12e2d5c 100644
--- a/test/atomic_reader.c
+++ b/test/atomic_reader.c
@@ -114,7 +114,7 @@ verify(int fd, unsigned int k)
     } /* end if */
 
     /* Position the file at the beginning */
-    if (lseek(fd, (off_t)0, SEEK_SET) < 0) {
+    if (lseek(fd, 0, SEEK_SET) < 0) {
         printf("READER: error from lseek\n");
         goto error;
     } /* end if */
diff --git a/test/atomic_writer.c b/test/atomic_writer.c
index 33252f1..89edfe7 100644
--- a/test/atomic_writer.c
+++ b/test/atomic_writer.c
@@ -190,7 +190,7 @@ main(int argc, char *argv[])
                 buf[u] = n;
 
             /* Position the file to the proper location */
-            if (lseek(fd, (off_t)(n * sizeof(unsigned int)), SEEK_SET) < 0) {
+            if (lseek(fd, (n * sizeof(unsigned int)), SEEK_SET) < 0) {
                 printf("WRITER: error from lseek\n");
                 goto error;
             } /* end if */
diff --git a/test/big.c b/test/big.c
index fc422b1..428da0a 100644
--- a/test/big.c
+++ b/test/big.c
@@ -143,7 +143,7 @@ is_sparse(void)
 
     if ((fd = HDopen("x.h5", O_RDWR | O_TRUNC | O_CREAT, H5_POSIX_CREATE_MODE_RW)) < 0)
         return 0;
-    if (HDlseek(fd, (off_t)(1024 * 1024), SEEK_SET) != 1024 * 1024)
+    if (HDlseek(fd, (HDoff_t)(1024 * 1024), SEEK_SET) != 1024 * 1024)
         return 0;
     if (5 != HDwrite(fd, "hello", (size_t)5))
         return 0;
@@ -267,7 +267,7 @@ enough_room(hid_t fapl)
         if ((fd[i] = HDopen(name, O_RDWR | O_CREAT | O_TRUNC, H5_POSIX_CREATE_MODE_RW)) < 0) {
             goto done;
         }
-        if ((off_t)size != HDlseek(fd[i], (off_t)size, SEEK_SET)) {
+        if ((HDoff_t)size != HDlseek(fd[i], (HDoff_t)size, SEEK_SET)) {
             goto done;
         }
         if (1 != HDwrite(fd[i], "X", (size_t)1)) {
diff --git a/test/dsets.c b/test/dsets.c
index ecf6db0..33cb6bf 100644
--- a/test/dsets.c
+++ b/test/dsets.c
@@ -626,7 +626,7 @@ test_simple_io(const char *env_h5_drvr, hid_t fapl)
         file = -1;
 
         f = HDopen(filename, O_RDONLY);
-        HDlseek(f, (off_t)offset, SEEK_SET);
+        HDlseek(f, (HDoff_t)offset, SEEK_SET);
         if (HDread(f, rdata_bytes, sizeof(int) * DSET_DIM1 * DSET_DIM2) < 0)
             goto error;
 
@@ -763,7 +763,7 @@ test_userblock_offset(const char *env_h5_drvr, hid_t fapl, bool new_format)
         file = -1;
 
         f = HDopen(filename, O_RDONLY);
-        HDlseek(f, (off_t)offset, SEEK_SET);
+        HDlseek(f, (HDoff_t)offset, SEEK_SET);
         if (HDread(f, rdata_bytes, sizeof(int) * DSET_DIM1 * DSET_DIM2) < 0)
             goto error;
 
diff --git a/test/file_image.c b/test/file_image.c
index b7d3c27..81b49d6 100644
--- a/test/file_image.c
+++ b/test/file_image.c
@@ -871,7 +871,7 @@ test_get_file_image(const char *test_banner, const int file_name_num, hid_t fapl
             HDoff_t off;
 
             /* Position at userblock */
-            off = HDlseek(fd, (off_t)USERBLOCK_SIZE, SEEK_SET);
+            off = HDlseek(fd, (HDoff_t)USERBLOCK_SIZE, SEEK_SET);
             VERIFY(off >= 0, "HDlseek() failed.");
         }
 
diff --git a/test/istore.c b/test/istore.c
index 921d200..33032d1 100644
--- a/test/istore.c
+++ b/test/istore.c
@@ -62,7 +62,7 @@ is_sparse(void)
 
     if ((fd = HDopen("x.h5", O_RDWR | O_TRUNC | O_CREAT, H5_POSIX_CREATE_MODE_RW)) < 0)
         return 0;
-    if (HDlseek(fd, (off_t)(1024 * 1024), SEEK_SET) != 1024 * 1024)
+    if (HDlseek(fd, (HDoff_t)(1024 * 1024), SEEK_SET) != 1024 * 1024)
         return 0;
     if (5 != HDwrite(fd, "hello", (size_t)5))
         return 0;