Correct more improper global variable naming: All must begin with g_

examples/README.txt

@@ -1465,14 +1465,14 @@ examples/posix_spawn
 
   Requires:
 
-    CONFIG_BINFMT_DISABLE=n           - Don't disable the binary loader
+    CONFIG_BINFMT_DISABLE=n             - Don't disable the binary loader
-    CONFIG_ELF=y                      - Enable ELF binary loader
+    CONFIG_ELF=y                        - Enable ELF binary loader
-    CONFIG_LIBC_EXECFUNCS=y           - Enable support for posix_spawn
+    CONFIG_LIBC_EXECFUNCS=y             - Enable support for posix_spawn
-    CONFIG_EXECFUNCS_SYMTAB="exports" - The name of the symbol table
+    CONFIG_EXECFUNCS_SYMTAB="g_exports" - The name of the symbol table
-                                        created by the test.
+                                          created by the test.
-    CONFIG_EXECFUNCS_NSYMBOLS=10      - Value does not matter, it will be
+    CONFIG_EXECFUNCS_NSYMBOLS=10        - Value does not matter, it will be
-                                        corrected at runtime.
+                                          corrected at runtime.
-    CONFIG_POSIX_SPAWN_STACKSIZE=768  - This default setting.
+    CONFIG_POSIX_SPAWN_STACKSIZE=768    - This default setting.
 
   Test-specific configuration options:
 

examples/nsh/Kconfig

@@ -30,6 +30,14 @@ config EXAMPLES_NSH_SYMTAB
 		and g_nexports holds the number of entries in the application symbol
 		table.
 
+		This is done very early in the NSH initialization sequence.
+
+		Why might you want to do this?  There is really only one reason:  You
+		would like to have the symbol tables in place early so that programs
+		started by NSH, perhaps via an initialization script, will have all
+		of the necessary symbols in place.  Otherwise, you probably do *not*
+		want this option!
+
 config EXAMPLES_NSH_PROGNAME
 	string "Program name"
 	default "nsh"

examples/nxflat/nxflat_main.c

@@ -233,7 +233,7 @@ int nxflat_main(int argc, char *argv[])
        */
 
       args[0] = NULL;
-      ret = exec(filename, args, exports, NEXPORTS);
+      ret = exec(filename, args, g_exports, NEXPORTS);
       if (ret < 0)
         {
           errmsg("ERROR: exec(%s) failed: %d\n", dirlist[i], errno);

examples/nxflat/tests/mksymtab.sh

@@ -24,7 +24,7 @@ echo "#define __EXAMPLES_NXFLAT_TESTS_SYMTAB_H"
 echo ""
 echo "#include <nuttx/binfmt/symtab.h>"
 echo ""
-echo "static const struct symtab_s exports[] = "
+echo "static const struct symtab_s g_exports[] = "
 echo "{"
 
 for string in $varlist; do
@@ -33,7 +33,7 @@ for string in $varlist; do
 done
 
 echo "};"
-echo "#define NEXPORTS (sizeof(exports)/sizeof(struct symtab_s))"
+echo "#define NEXPORTS (sizeof(g_exports)/sizeof(struct symtab_s))"
 echo ""
 echo "#endif /* __EXAMPLES_NXFLAT_TESTS_SYMTAB_H */"
 

examples/thttpd/content/mksymtab.sh

@@ -24,7 +24,7 @@ echo "#define __EXAMPLES_NXFLAT_TESTS_SYMTAB_H"
 echo ""
 echo "#include <nuttx/binfmt/symtab.h>"
 echo ""
-echo "static const struct symtab_s exports[] = "
+echo "static const struct symtab_s g_exports[] = "
 echo "{"
 
 for string in $varlist; do
@@ -33,7 +33,7 @@ for string in $varlist; do
 done
 
 echo "};"
-echo "#define NEXPORTS (sizeof(exports)/sizeof(struct symtab_s))"
+echo "#define NEXPORTS (sizeof(g_exports)/sizeof(struct symtab_s))"
 echo ""
 echo "#endif /* __EXAMPLES_NXFLAT_TESTS_SYMTAB_H */"
 

examples/thttpd/thttpd_main.c

@@ -338,7 +338,7 @@ int thttp_main(int argc, char *argv[])
   /* Start THTTPD.  At present, symbol table info is passed via global variables */
 
 #ifdef CONFIG_THTTPD_NXFLAT
-  g_thttpdsymtab   = exports;
+  g_thttpdsymtab   = g_exports;
   g_thttpdnsymbols = NEXPORTS;
 #endif