Pointer safety, code cleaning

src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/volk_gnsssdr_malloc.c

@@ -18,7 +18,7 @@
  */
 
 #include "volk_gnsssdr/volk_gnsssdr_malloc.h"
-#include <pthread.h>
+#include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -27,29 +27,6 @@
  * see: http://linux.die.net/man/3/aligned_alloc
  */
 
-// Disabling use of aligned_alloc. This function requires that size be
-// a multiple of alignment, which is too restrictive for many uses of
-// VOLK.
-
-//// If we are using C11 standard, use the aligned_alloc
-//#ifdef _ISOC11_SOURCE
-//
-//void *volk_gnsssdr_malloc(size_t size, size_t alignment)
-//{
-//  void *ptr = aligned_alloc(alignment, size);
-//  if(ptr == NULL) {
-//    fprintf(stderr, "VOLK: Error allocating memory (aligned_alloc)\n");
-//  }
-//  return ptr;
-//}
-//
-//void volk_gnsssdr_free(void *ptr)
-//{
-//  free(ptr);
-//}
-//
-//#else // _ISOC11_SOURCE
-
 // Otherwise, test if we are a POSIX or X/Open system
 // This only has a restriction that alignment be a power of 2and a
 // multiple of sizeof(void *).

src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/volk_gnsssdr_prefs.c

@@ -21,19 +21,17 @@
 #include <string.h>
 #include <volk_gnsssdr/volk_gnsssdr_prefs.h>
 
-//#if defined(_WIN32)
-//#include <Windows.h>
-//#endif
 
 void volk_gnsssdr_get_config_path(char *path)
 {
+    if (!path) return;
     const char *suffix = "/.volk_gnsssdr/volk_gnsssdr_config";
     char *home = NULL;
     if (home == NULL) home = getenv("HOME");
     if (home == NULL) home = getenv("APPDATA");
     if (home == NULL)
         {
-            path = NULL;
+            path[0] = 0;
             return;
         }
     strcpy(path, home);
@@ -49,7 +47,7 @@ size_t volk_gnsssdr_load_preferences(volk_gnsssdr_arch_pref_t **prefs_res)
 
     //get the config path
     volk_gnsssdr_get_config_path(path);
-    if (path == NULL) return n_arch_prefs; //no prefs found
+    if (!path[0]) return n_arch_prefs; //no prefs found
     config_file = fopen(path, "r");
     if(!config_file) return n_arch_prefs; //no prefs found