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authorScot Breitenfeld <brtnfld@hdfgroup.org>2015-03-25 15:25:59 (GMT)
committerScot Breitenfeld <brtnfld@hdfgroup.org>2015-03-25 15:25:59 (GMT)
commit299deb64fb087c2b74649645769f8a873627fa31 (patch)
treee4e57ff508b5889b74e99455738c08e11d88bb91 /hl/src
parent460b629e0384bd8780e0a47407d4b33a8e02b1f4 (diff)
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[svn-r26575] Removed compiler warning for hl/tools and hl/src.
HDF5-250 and HDF5-241 tested: h5committest
Diffstat (limited to 'hl/src')
-rw-r--r--hl/src/H5DS.c64
1 files changed, 34 insertions, 30 deletions
diff --git a/hl/src/H5DS.c b/hl/src/H5DS.c
index 939a99f..de6e66c 100644
--- a/hl/src/H5DS.c
+++ b/hl/src/H5DS.c
@@ -1430,10 +1430,12 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
hid_t aid = -1; /* attribute ID */
int rank; /* rank of dataset */
hsize_t dims[1]; /* dimensions of dataset */
- const char **buf = NULL; /* buffer to store in the attribute */
H5I_type_t it; /* ID type */
unsigned int i;
-
+ union { /* union is needed to eliminate compiler warnings about */
+ char ** buf; /* discarding the 'const' qualifier in the free */
+ char const ** const_buf; /* buf calls */
+ } u;
/*-------------------------------------------------------------------------
* parameter checking
*-------------------------------------------------------------------------
@@ -1496,19 +1498,19 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
goto out;
/* allocate and initialize */
- buf = (const char **) HDmalloc((size_t) rank * sizeof(char *));
+ u.const_buf = (char const **) HDmalloc((size_t) rank * sizeof(char *));
- if (buf == NULL)
+ if (u.const_buf == NULL)
goto out;
for (i = 0; i < (unsigned int) rank; i++)
- buf[i] = NULL;
+ u.const_buf[i] = NULL;
/* store the label information in the required index */
- buf[idx] = label;
+ u.const_buf[idx] = label;
/* write the attribute with the label */
- if (H5Awrite(aid, tid, buf) < 0)
+ if (H5Awrite(aid, tid, u.const_buf) < 0)
goto out;
/* close */
@@ -1518,10 +1520,10 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
goto out;
if (H5Aclose(aid) < 0)
goto out;
- if (buf)
+ if (u.const_buf)
{
- HDfree(buf);
- buf = NULL;
+ HDfree(u.const_buf);
+ u.const_buf = NULL;
}
}
@@ -1532,6 +1534,7 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
else
{
+
if ((aid = H5Aopen(did, DIMENSION_LABELS, H5P_DEFAULT)) < 0)
goto out;
@@ -1539,34 +1542,34 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
goto out;
/* allocate and initialize */
- buf = (const char **) HDmalloc((size_t) rank * sizeof(char *));
-
- if (buf == NULL)
+ u.buf = (char **) HDmalloc((size_t) rank * sizeof(char *));
+
+ if (u.buf == NULL)
goto out;
/* read */
- if (H5Aread(aid, tid, (void *) buf) < 0)
+ if (H5Aread(aid, tid, (void *)u.buf) < 0)
goto out;
/* free the ptr that will be replaced by label */
- if (buf[idx])
- HDfree(buf[idx]);
+ if (u.buf[idx])
+ HDfree(u.buf[idx]);
/* store the label information in the required index */
- buf[idx] = label;
+ u.const_buf[idx] = label;
/* write the attribute with the new references */
- if (H5Awrite(aid, tid, buf) < 0)
+ if (H5Awrite(aid, tid, u.buf) < 0)
goto out;
/* label was brought in, so don't free */
- buf[idx] = NULL;
+ u.buf[idx] = NULL;
/* free all the ptr's from the H5Aread() */
for (i = 0; i < (unsigned int) rank; i++)
{
- if (buf[i])
- HDfree(buf[i]);
+ if (u.buf[i])
+ HDfree(u.buf[i]);
}
/* close */
@@ -1574,28 +1577,29 @@ herr_t H5DSset_label(hid_t did, unsigned int idx, const char *label)
goto out;
if (H5Aclose(aid) < 0)
goto out;
- if (buf)
+ if (u.buf)
{
- HDfree(buf);
- buf = NULL;
+ HDfree(u.buf);
+ u.buf = NULL;
}
}
return SUCCEED;
/* error zone */
+
out:
- if (buf)
+ if (u.buf)
{
- if (buf[idx]) /* check if we errored during H5Awrite */
- buf[idx] = NULL; /* don't free label */
+ if (u.buf[idx]) /* check if we errored during H5Awrite */
+ u.buf[idx] = NULL; /* don't free label */
/* free all the ptr's from the H5Aread() */
for (i = 0; i < (unsigned int) rank; i++)
{
- if (buf[i])
- HDfree(buf[i]);
+ if (u.buf[i])
+ HDfree(u.buf[i]);
}
- HDfree(buf);
+ HDfree(u.buf);
}
H5E_BEGIN_TRY
{