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-rw-r--r--src/H5PL.c82
1 files changed, 47 insertions, 35 deletions
diff --git a/src/H5PL.c b/src/H5PL.c
index 79aa156..0cdbc93 100644
--- a/src/H5PL.c
+++ b/src/H5PL.c
@@ -105,7 +105,9 @@ typedef const void *(*H5PL_get_plugin_info_t)(void);
#define H5PL_NO_PLUGIN "::"
/* Special symbol to indicate relative path from environment */
-#define H5PL_PLUGIN_ENV_SPECIALCHAR '@'
+/* Restrict usage of special char only for the default path H5_DEFAULT_PLUGINDIR
+ * or when using the environment variable HDF5_PLUGIN_PATH */
+#define H5PL_PLUGIN_ENV_RELEXEC_CHAR '@'
/* Maximum size for path to executable */
#ifndef MAX_EXEC_PATH
@@ -128,6 +130,7 @@ typedef struct H5PL_table_t {
/* Local Prototypes */
/********************/
+static char *H5PL__env_strdup(const char *plpath);
static herr_t H5PL__init_path_table(void);
static htri_t H5PL__find(H5PL_type_t plugin_type, int type_id, char *dir, const void **info);
static htri_t H5PL__open(H5PL_type_t pl_type, char *libname, int plugin_id, const void **pl_info);
@@ -182,50 +185,54 @@ DESCRIPTION
herr_t
H5PL__init_package(void)
{
- char *preload_path;
- char *tempbuf;
+ herr_t ret_value = SUCCEED; /* Return value */
+ char *preload_path = NULL;
+ char *tempbuf = NULL;
+ char pathsep = '/';
+ char *bs = NULL;
+ size_t ncopy = MAX_EXEC_PATH;
- FUNC_ENTER_PACKAGE_NOERR
+ FUNC_ENTER_PACKAGE
/* Retrieve pathnames from HDF5_PLUGIN_PRELOAD if the user sets it
* to tell the library to load plugin libraries without search.
*/
if(NULL != (preload_path = HDgetenv("HDF5_PLUGIN_PRELOAD")))
- /* Special symbal "::" means no plugin during data reading. */
+ /* Special symbol "::" means no plugin during data reading. */
if(!HDstrcmp(preload_path, H5PL_NO_PLUGIN))
H5PL_plugin_g = 0;
- /* Retrieve the executable path for use with H5PL_PLUGIN_ENV_SPECIALCHAR
+ /* Retrieve the executable path for use with H5PL_PLUGIN_ENV_RELEXEC_CHAR
* if the user uses it in a plugin path.
*/
if(NULL == (tempbuf = (char *)H5MM_malloc(MAX_EXEC_PATH)))
HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "can't allocate memory for executable path")
-#if defined(_WIN32) || defined(_WIN64) || defined(H5_HAVE_WIN32_API)
- const char PathSep = '\\';
+#if defined(_WIN32) || defined(_WIN64) || defined(H5_HAVE_WIN32_API)
+ pathsep = (char)'\\';
GetModuleFileName(NULL, tempbuf, MAX_EXEC_PATH);
#elif defined(__APPLE__)
- const char PathSep = '/';
- uint32_t size = sizeof(result);
- _NSGetExecutablePath(tempbuf, &size);
+ pathsep = (char)'/';
+ {
+ uint32_t size = sizeof(tempbuf);
+ _NSGetExecutablePath(tempbuf, &size);
+ }
#else
- const char PathSep = '/';
+ pathsep = (char)'/';
{
ssize_t count = readlink("/proc/self/exe", tempbuf, MAX_EXEC_PATH);
tempbuf[count] = '\0';
}
#endif
- {
- char *bs = strrchr(tempbuf, PathSep);
- size_t ncopy = MAX_EXEC_PATH;
- if (bs)
- ncopy = bs - tempbuf;
- tempbuf[ncopy] = '\0';
- }
+ if ((bs = HDstrrchr(tempbuf, pathsep)))
+ ncopy = (size_t)(bs - tempbuf);
+ tempbuf[ncopy] = '\0';
+
H5PL_executable_path_g = H5MM_strdup(tempbuf);
if(tempbuf)
tempbuf = (char *)H5MM_xfree(tempbuf);
- FUNC_LEAVE_NOAPI(SUCCEED)
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
} /* end H5PL__init_package() */
@@ -291,28 +298,33 @@ H5PL_term_package(void)
} /* end H5PL_term_package() */
static char*
-H5PL_env_strdup(const char *plpath)
+H5PL__env_strdup(const char *plpath)
{
- char *dl_path = NULL;
+ char *ret_value = NULL;
+
+ FUNC_ENTER_NOAPI_NOINIT
+
if(NULL == plpath)
- HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "no path provided")
- if (*plpath == H5PL_PLUGIN_ENV_SPECIALCHAR) {
+ HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, NULL, "no path provided")
+ if (*plpath == H5PL_PLUGIN_ENV_RELEXEC_CHAR) {
char *tempbuf;
- int ExecPathLength = strlen(H5PL_executable_path_g);
- int PluginPathLength = strlen(plpath);
+ size_t ExecPathLength = HDstrlen(H5PL_executable_path_g);
+ size_t PluginPathLength = HDstrlen(plpath);
if(NULL == (tempbuf = (char *)H5MM_malloc(ExecPathLength + PluginPathLength)))
- HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "can't allocate memory for plugin path")
+ HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, NULL, "can't allocate memory for plugin path")
HDstrncpy(tempbuf, H5PL_executable_path_g, ExecPathLength);
- HDstrncpy(tempbuf+ExecPathLength, s+1, PluginPathLength-1);
+ HDstrncpy(tempbuf+ExecPathLength, plpath+2, PluginPathLength-1);
tempbuf[ExecPathLength + PluginPathLength] = '\0';
- dl_path = H5MM_strdup(tempbuf);
+ ret_value = H5MM_strdup(tempbuf);
tempbuf = (char *)H5MM_xfree(tempbuf);
}
else
- dl_path = H5MM_strdup(plpath);
- return dl_path;
+ ret_value = H5MM_strdup(plpath);
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
} /* end H5PL_env_strdup() */
@@ -730,9 +742,9 @@ H5PLget(unsigned int index)
FUNC_ENTER_API(NULL)
if(H5PL_num_paths_g == 0)
- HGOTO_ERROR(H5E_PLUGIN, H5E_NOSPACE, FAIL, "no directories in table")
+ HGOTO_ERROR(H5E_PLUGIN, H5E_NOSPACE, NULL, "no directories in table")
if(NULL == (ret_value = H5PL_path_table_g[index]))
- HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "no directory path at index")
+ HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, NULL, "no directory path at index")
done:
FUNC_LEAVE_API(ret_value)
@@ -782,9 +794,9 @@ H5PL__init_path_table(void)
*/
origin_dl_path = HDgetenv("HDF5_PLUGIN_PATH");
if(NULL == origin_dl_path)
- dl_path = H5MM_strdup(H5PL_DEFAULT_PATH);
+ dl_path = H5PL__env_strdup(H5PL_DEFAULT_PATH);
else
- dl_path = H5MM_strdup(origin_dl_path);
+ dl_path = H5PL__env_strdup(origin_dl_path);
if(NULL == dl_path)
HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "can't allocate memory for path")