Verify PATH variable in apps/examples/elf

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5445 42af7a65-404d-4744-a932-0658087f49c3

binfmt/binfmt_exepath.c

@@ -42,6 +42,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>

binfmt/binfmt_loadmodule.c

@@ -146,11 +146,11 @@ int load_module(FAR struct binary_s *bin)
 #endif
     {
       /* Were we given a relative path?  Or an absolute path to the file to
-       * be loaded.
+       * be loaded?  Absolute paths start with '/'.
        */
 
 #ifdef CONFIG_BINFMT_EXEPATH
-      if (bin->filename[0] == '/')
+      if (bin->filename[0] != '/')
         {
           FAR const char *relpath;
           FAR char *fullpath;
@@ -168,7 +168,7 @@ int load_module(FAR struct binary_s *bin)
             {
               /* Get the next absolute file path */
 
-              while ((fullpath = exepath_next(handle, relpath)))
+              while ((fullpath = exepath_next(handle, relpath)) != NULL)
                 {
                   /* Try to load the file at this path */
 

binfmt/binfmt_unloadmodule.c

@@ -83,7 +83,7 @@
  ****************************************************************************/
 
 #ifdef CONFIG_BINFMT_CONSTRUCTORS
-static inline void exec_dtors(FAR const struct binary_s *binp)
+static inline int exec_dtors(FAR const struct binary_s *binp)
 {
   binfmt_dtor_t *dtor = binp->dtors;
 #ifdef CONFIG_ADDRENV

binfmt/libelf/libelf_addrenv.c

@@ -64,7 +64,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: elf_addrenv_create
+ * Name: elf_addrenv_alloc
  *
  * Description:
  *   Allocate memory for the ELF image (elfalloc). If CONFIG_ADDRENV=n,
@@ -83,7 +83,7 @@
  *
  ****************************************************************************/
 
-int elf_addrenv_create(FAR struct elf_loadinfo_s *loadinfo, size_t envsize)
+int elf_addrenv_alloc(FAR struct elf_loadinfo_s *loadinfo, size_t envsize)
 {
 #ifdef CONFIG_ADDRENV
   FAR void *vaddr;

binfmt/libnxflat/libnxflat_addrenv.c

@@ -65,7 +65,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: nxflat_addrenv_create
+ * Name: nxflat_addrenv_alloc
  *
  * Description:
  *   Allocate memory for the ELF image (elfalloc). If CONFIG_ADDRENV=n,
@@ -84,7 +84,7 @@
  *
  ****************************************************************************/
 
-int nxflat_addrenv_create(FAR struct nxflat_loadinfo_s *loadinfo, size_t envsize)
+int nxflat_addrenv_alloc(FAR struct nxflat_loadinfo_s *loadinfo, size_t envsize)
 {
   FAR struct dspace_s *dspace;
 #ifdef CONFIG_ADDRENV