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.

3 files changed, 8 insertions, 8 deletions

diff --git a/tools/src/h5jam/h5jam.c b/tools/src/h5jam/h5jam.c
index 9fea8b8..d97d339 100644
--- a/tools/src/h5jam/h5jam.c
+++ b/tools/src/h5jam/h5jam.c
@@ -420,8 +420,8 @@ copy_some_to_file(int infid, int outfid, hsize_t starting, hsize_t startout, ssi
     } /* end if */
 
     while (howmuch > 0) {
-        HDlseek(outfid, (off_t)to, SEEK_SET);
-        HDlseek(infid, (off_t)from, SEEK_SET);
+        HDlseek(outfid, (HDoff_t)to, SEEK_SET);
+        HDlseek(infid, (HDoff_t)from, SEEK_SET);
 
         if (howmuch > 512) {
             nchars = HDread(infid, buf, (unsigned)512);
@@ -499,7 +499,7 @@ write_pad(int ofile, hsize_t old_where, hsize_t *new_where)
 
     buf[0] = '\0';
 
-    HDlseek(ofile, (off_t)old_where, SEEK_SET);
+    HDlseek(ofile, (HDoff_t)old_where, SEEK_SET);
 
     psize = compute_user_block_size(old_where);
     psize -= old_where;
diff --git a/tools/test/misc/h5clear_gentest.c b/tools/test/misc/h5clear_gentest.c
index dd4c88d..892e974 100644
--- a/tools/test/misc/h5clear_gentest.c
+++ b/tools/test/misc/h5clear_gentest.c
@@ -274,7 +274,7 @@ gen_enhance_files(bool user)
         }
 
         /* location of "end of file address" */
-        if (lseek(fd, (off_t)(28 + (user ? USERBLOCK : 0)), SEEK_SET) < 0)
+        if (lseek(fd, (HDoff_t)(28 + (user ? USERBLOCK : 0)), SEEK_SET) < 0)
             goto error;
 
         /* Write the bad eoa value to the file */
@@ -282,7 +282,7 @@ gen_enhance_files(bool user)
             goto error;
 
         /* location of "superblock checksum" */
-        if (lseek(fd, (off_t)(44 + (user ? USERBLOCK : 0)), SEEK_SET) < 0)
+        if (lseek(fd, (HDoff_t)(44 + (user ? USERBLOCK : 0)), SEEK_SET) < 0)
             goto error;
 
         /* Write the chksum value to the file */
diff --git a/tools/test/perform/iopipe.c b/tools/test/perform/iopipe.c
index a0dd294..b5190fa 100644
--- a/tools/test/perform/iopipe.c
+++ b/tools/test/perform/iopipe.c
@@ -123,7 +123,7 @@ main(void)
     unsigned                       u;
     herr_t H5_ATTR_NDEBUG_UNUSED   status;
     hssize_t H5_ATTR_NDEBUG_UNUSED n;
-    off_t H5_ATTR_NDEBUG_UNUSED    offset;
+    HDoff_t H5_ATTR_NDEBUG_UNUSED  offset;
     hsize_t                        start[2];
     hsize_t                        count[2];
 
@@ -207,7 +207,7 @@ main(void)
     for (u = 0; u < nwrite; u++) {
         putc(PROGRESS, stderr);
         fflush(stderr);
-        offset = HDlseek(fd, (off_t)0, SEEK_SET);
+        offset = HDlseek(fd, 0, SEEK_SET);
         assert(0 == offset);
         n = HDwrite(fd, the_data, (size_t)(size[0] * size[1]));
         assert(n >= 0 && (size_t)n == (size[0] * size[1]));
@@ -257,7 +257,7 @@ main(void)
     for (u = 0; u < nread; u++) {
         putc(PROGRESS, stderr);
         fflush(stderr);
-        offset = HDlseek(fd, (off_t)0, SEEK_SET);
+        offset = HDlseek(fd, 0, SEEK_SET);
         assert(0 == offset);
         n = HDread(fd, the_data, (size_t)(size[0] * size[1]));
         assert(n >= 0 && (size_t)n == (size[0] * size[1]));