include/: Correct naming of standard header file. Should be dlfcn.h, not dllfcn.h. I am surprised no one ever noticed before now.

Documentation/NuttxPortingGuide.html

@@ -1358,7 +1358,7 @@ libc/
 |-- dirent/
 |   `-- <i>(Implementation of functions from dirent.h)</i>
 |-- dllfch/
-|   `-- <i>(Implementation of functions from dllfcn.h)</i>
+|   `-- <i>(Implementation of functions from dlfcn.h)</i>
 |-- fixedmath/
 |   `-- <i>(Implementation of functions from fixedmath.h)</i>
 |-- hex2bin/

configs/olimex-stm32-p407/README.txt

@@ -482,7 +482,7 @@ must be is one of the following.
      FLAT build using apps/examples/sotest (assuming that you also have SD
      card support enabled and that the SD card is mount at /mnt/sdcard):
 
-      CONFIG_LIBC_DLLFCN=y
+      CONFIG_LIBC_DLFCN=y
       CONFIG_EXAMPLES_SOTEST=y
       CONFIG_EXAMPLES_SOTEST_BINDIR="/mnt/sdcard"
 
@@ -538,7 +538,7 @@ must be is one of the following.
        Add the following for testing shared libraries in the FLAT
        build:
 
-         CONFIG_LIBC_DLLFCN=y
+         CONFIG_LIBC_DLFCN=y
          CONFIG_EXAMPLES_SOTEST=y
          CONFIG_EXAMPLES_SOTEST_BUILTINFS=y
          CONFIG_EXAMPLES_SOTEST_DEVMINOR=1

configs/samv71-xult/README.txt

@@ -1838,7 +1838,7 @@ Configuration sub-directories
        Add the following for testing shared libraries in the FLAT
        build:
 
-         CONFIG_LIBC_DLLFCN=y
+         CONFIG_LIBC_DLFCN=y
          CONFIG_EXAMPLES_SOTEST=y
          CONFIG_EXAMPLES_SOTEST_BINDIR="/mnt/sdcard"
 

configs/stm32f4discovery/README.txt

@@ -1660,7 +1660,7 @@ Configuration Sub-directories
      FLAT build using apps/examples/sotest (assuming that you also have SD
      card support enabled and that the SD card is mount at /mnt/sdcard):
 
-      CONFIG_LIBC_DLLFCN=y
+      CONFIG_LIBC_DLFCN=y
       CONFIG_EXAMPLES_SOTEST=y
       CONFIG_EXAMPLES_SOTEST_BINDIR="/mnt/sdcard"
 

include/dlfcn.h

@@ -1,7 +1,7 @@
 /****************************************************************************
- * include/dllfcn.h
+ * include/dlfcn.h
  *
- *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2017, 2019 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -33,8 +33,8 @@
  *
  ****************************************************************************/
 
-#ifndef __INCLUDE_DLLFCN_H
+#ifndef __INCLUDE_DLFCN_H
-#define __INCLUDE_DLLFCN_H
+#define __INCLUDE_DLFCN_H
 
 /****************************************************************************
  * Included Files
@@ -329,4 +329,4 @@ FAR char *dlerror(void);
 }
 #endif
 
-#endif /* __INCLUDE_DLLFCN_H */
+#endif /* __INCLUDE_DLFCN_H */

libs/libc/Kconfig

@@ -11,7 +11,7 @@ source libs/libc/machine/Kconfig
 source libs/libc/stdlib/Kconfig
 source libs/libc/unistd/Kconfig
 source libs/libc/string/Kconfig
-source libs/libc/dllfcn/Kconfig
+source libs/libc/dlfcn/Kconfig
 source libs/libc/modlib/Kconfig
 source libs/libc/wchar/Kconfig
 source libs/libc/locale/Kconfig

libs/libc/Makefile

@@ -56,7 +56,7 @@ VPATH := .
 include aio/Make.defs
 include audio/Make.defs
 include dirent/Make.defs
-include dllfcn/Make.defs
+include dlfcn/Make.defs
 include endian/Make.defs
 include fixedmath/Make.defs
 include hex2bin/Make.defs

libs/libc/README.txt

@@ -29,7 +29,7 @@ in the include/ directory provides the prototype for library functions.  So
 we have:
 
   audio     - This part of the audio system: nuttx/audio/audio.h
-  dllfcn    - dllfcn.h
+  dlfcn     - dlfcn.h
   endian    - endian.h
   hex2bin   - hex2bin.h
   libgen    - libgen.h

libs/libc/dlfcn/Kconfig

@@ -5,7 +5,7 @@
 
 # menu "Shared Library Support"
 
-config LIBC_DLLFCN
+config LIBC_DLFCN
 	bool "Shared library support"
 	default n
 	select LIBC_MODLIB if !BUILD_FLAT
@@ -16,7 +16,7 @@ config LIBC_DLLFCN
 
 		A work in progress, hence, marked EXPERIMENTAL
 
-if LIBC_DLLFCN
+if LIBC_DLFCN
 
 config LDPATH_INITIAL
 	string "Initial LD_LIBRARY_PATH Value"

libs/libc/dlfcn/Make.defs

@@ -1,5 +1,5 @@
 ############################################################################
-# libs/libc/dllfcn/Make.defs
+# libs/libc/dlfcn/Make.defs
 #
 #   Copyright (C) 2017 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -33,15 +33,15 @@
 #
 ############################################################################
 
-ifeq ($(CONFIG_LIBC_DLLFCN),y)
+ifeq ($(CONFIG_LIBC_DLFCN),y)
 
-# Add the dllfcn.h files to the build
+# Add the dlfcn.h files to the build
 
 CSRCS += lib_dlopen.c lib_dlclose.c lib_dlsym.c lib_dlerror.c lib_dlsymtab.c
 
-# Add the dllfcn.h directory to the build
+# Add the dlfcn.h directory to the build
 
-DEPPATH += --dep-path dllfcn
+DEPPATH += --dep-path dlfcn
-VPATH += :dllfcn
+VPATH += :dlfcn
 
 endif

libs/libc/dlfcn/lib_dlclose.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/dllfcn/lib_dlclose.c
+ * libs/libc/dlfcn/lib_dlclose.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -39,7 +39,7 @@
 
 #include <nuttx/config.h>
 
-#include <dllfcn.h>
+#include <dlfcn.h>
 #include <errno.h>
 
 #include <nuttx/module.h>

libs/libc/dlfcn/lib_dlerror.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/dllfcn/lib_dlerror.c
+ * libs/libc/dlfcn/lib_dlerror.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -40,7 +40,7 @@
 #include <nuttx/config.h>
 
 #include <errno.h>
-#include <dllfcn.h>
+#include <dlfcn.h>
 #include <string.h>
 
 /****************************************************************************

libs/libc/dlfcn/lib_dlopen.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/dllfcn/lib_dlopen.c
+ * libs/libc/dlfcn/lib_dlopen.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -42,7 +42,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <libgen.h>
-#include <dllfcn.h>
+#include <dlfcn.h>
 #include <assert.h>
 #include <errno.h>
 

libs/libc/dlfcn/lib_dlsym.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/dllfcn/lib_dlsym.c
+ * libs/libc/dlfcn/lib_dlsym.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -39,7 +39,7 @@
 
 #include <nuttx/config.h>
 
-#include <dllfcn.h>
+#include <dlfcn.h>
 #include <errno.h>
 
 #include <nuttx/module.h>

libs/libc/dlfcn/lib_dlsymtab.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * libs/libc/dllfcn/lib_symtab.c
+ * libs/libc/dlfcn/lib_symtab.c
  *
  *   Copyright (C) 2017 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -39,7 +39,7 @@
 
 #include <nuttx/config.h>
 
-#include <dllfcn.h>
+#include <dlfcn.h>
 #include <errno.h>
 
 #include <nuttx/module.h>

tools/cfgdefine.c

@@ -66,7 +66,7 @@ static const char *dequote_list[] =
   "CONFIG_USER_ENTRYPOINT",               /* Name of entry point function */
   "CONFIG_EXECFUNCS_SYMTAB_ARRAY",        /* Symbol table array used by exec[l|v] */
   "CONFIG_EXECFUNCS_NSYMBOLS_VAR",        /* Variable holding number of symbols in the table */
-  "CONFIG_MODLIB_SYMTAB_ARRAY",           /* Symbol table array used by dllfcn[l|v] */
+  "CONFIG_MODLIB_SYMTAB_ARRAY",           /* Symbol table array used by modlib functions */
   "CONFIG_MODLIB_NSYMBOLS_VAR",           /* Variable holding number of symbols in the table */
   "CONFIG_PASS1_BUILDIR",                 /* Pass1 build directory */
   "CONFIG_PASS1_TARGET",                  /* Pass1 build target */