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authorQuincey Koziol <koziol@hdfgroup.org>2002-10-15 20:12:11 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2002-10-15 20:12:11 (GMT)
commite5565c55a3f467625f3401a7ad0622972e057922 (patch)
treebc114a45cc7474fe32121a7cb7a7582d6e1e2759 /src
parent547812beb83b25fe8fa5b2275ee8b8a785a0a1ea (diff)
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[svn-r6005] Purpose:
New feature. Description: Added check for "HDF5_DISABLE_VERSION_CHECK" environment variable to disable the version checking code between the headers and the library. Tested: FreeBSD 4.7 (sleipnir) - no triple check necessary.
Diffstat (limited to 'src')
-rw-r--r--src/H5.c67
1 files changed, 49 insertions, 18 deletions
diff --git a/src/H5.c b/src/H5.c
index 02d10d7..2c28c50 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -501,29 +501,60 @@ H5check_version (unsigned majnum, unsigned minnum, unsigned relnum)
{
char lib_str[256];
char substr[] = H5_VERS_SUBRELEASE;
- static int checked = 0;
+ static int checked = 0; /* If we've already checked the version info */
+ static int disable_version_check = 0; /* Set if the version check should be disabled */
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_API_NOINIT(H5check_version);
- if (H5_VERS_MAJOR!=majnum || H5_VERS_MINOR!=minnum ||
- H5_VERS_RELEASE!=relnum) {
- HDfputs ("Warning! The HDF5 header files included by this application "
- "do not match the\nversion used by the HDF5 library to which "
- "this application is linked. Data\ncorruption or "
- "segmentation faults would be likely if the application "
- "were\nallowed to continue.\n", stderr);
- fprintf (stderr, "Headers are %u.%u.%u, library is %u.%u.%u\n",
- majnum, minnum, relnum,
- H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE);
- HDfputs ("Bye...\n", stderr);
- HDabort ();
- }
-
+ /* Don't check again, if we already have */
if (checked)
HGOTO_DONE(SUCCEED);
+ if (H5_VERS_MAJOR!=majnum || H5_VERS_MINOR!=minnum ||
+ H5_VERS_RELEASE!=relnum) {
+ const char *s; /* Environment string for disabling version check */
+
+ /* Allow different versions of the header files and library? */
+ s = HDgetenv ("HDF5_DISABLE_VERSION_CHECK");
+
+ if (s && HDisdigit(*s))
+ disable_version_check = (int)HDstrtol (s, NULL, 0);
+
+ if(disable_version_check) {
+ HDfputs ("Warning! The HDF5 header files included by this application "
+ "do not match the\nversion used by the HDF5 library to which "
+ "this application is linked. Data\ncorruption or "
+ "segmentation faults may occur if the application "
+ "continues.\n'HDF5_DISABLE_VERSION_CHECK' "
+ "environment variable set, application will\n"
+ "continue.\n", stderr);
+ } /* end if */
+ else {
+ HDfputs ("Warning! The HDF5 header files included by this application "
+ "do not match the\nversion used by the HDF5 library to which "
+ "this application is linked. Data\ncorruption or "
+ "segmentation faults may occur if the application "
+ "is\nallowed to continue. You can, at your own risk, "
+ "disable this check by setting\nthe environment variable "
+ "'HDF5_DISABLE_VERSION_CHECK' to a value of '1'.\n", stderr);
+ } /* end else */
+
+ /* Mention the versions we are referring to */
+ HDfprintf (stderr, "Headers are %u.%u.%u, library is %u.%u.%u\n",
+ majnum, minnum, relnum,
+ H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE);
+
+ /* Bail out now, if the version check isn't disabled */
+ if(!disable_version_check) {
+ HDfputs ("Bye...\n", stderr);
+ HDabort ();
+ } /* end if */
+ } /* end if */
+
+ /* Indicate that the version check has been performed */
checked = 1;
+
/*
*verify if H5_VERS_INFO is consistent with the other version information.
*Check only the first sizeof(lib_str) char. Assume the information
@@ -534,18 +565,18 @@ H5check_version (unsigned majnum, unsigned minnum, unsigned relnum)
if (*substr){
HDstrcat(lib_str, "-");
HDstrncat(lib_str, substr, sizeof(lib_str) - HDstrlen(lib_str) - 1);
- }
+ } /* end if */
if (HDstrcmp(lib_str, H5_lib_vers_info_g)){
HDfputs ("Warning! Library version information error.\n"
"The HDF5 library version information are not "
"consistent in its source code.\nThis is NOT a fatal error "
"but should be corrected.\n", stderr);
- fprintf (stderr, "Library version information are:\n"
+ HDfprintf (stderr, "Library version information are:\n"
"H5_VERS_MAJOR=%d, H5_VERS_MINOR=%d, H5_VERS_RELEASE=%d, "
"H5_VERS_SUBRELEASE=%s,\nH5_VERS_INFO=%s\n",
H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE,
H5_VERS_SUBRELEASE, H5_VERS_INFO);
- }
+ } /* end if */
done:
FUNC_LEAVE(ret_value);