libs/unistd and other affected files: Hostname support no longer depends on CONFIG_NET since the host name is also useful in the non-network environment. CONFIG_NET_HOSTNAME changed to CONFIG_LIB_HOSTNAME.

libs/libc/libc.csv

@@ -47,7 +47,7 @@
 "ftell","stdio.h","CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0","long","FAR FILE *"
 "fwrite","stdio.h","CONFIG_NFILE_DESCRIPTORS > 0 && CONFIG_NFILE_STREAMS > 0","size_t","FAR const void *","size_t","size_t","FAR FILE *"
 "getcwd","unistd.h","CONFIG_NFILE_DESCRIPTORS > 0 && !defined(CONFIG_DISABLE_ENVIRON)","FAR char","FAR char *","size_t"
-"gethostname","unistd.h","defined(CONFIG_LIBC_NETDB)","int","FAR char*","size_t"
+"gethostname","unistd.h","","int","FAR char*","size_t"
 "getopt","unistd.h","","int","int","FAR char *const[]","FAR const char *"
 "getoptargp","unistd.h","","FAR char *"
 "getoptindp","unistd.h","","int"

libs/libc/misc/lib_utsname.c

@@ -99,7 +99,6 @@ int uname(FAR struct utsname *name)
 
   strncpy(name->sysname, "NuttX", SYS_NAMELEN);
 
-#ifdef CONFIG_LIBC_NETDB
   /* Get the hostname */
 
   if (-1 == gethostname(name->nodename, HOST_NAME_MAX))
@@ -109,10 +108,6 @@ int uname(FAR struct utsname *name)
 
   name->nodename[HOST_NAME_MAX-1] = '\0';
 
-#else
-  strncpy(name->nodename, "", HOST_NAME_MAX);
-#endif
-
   strncpy(name->release,  CONFIG_VERSION_STRING, SYS_NAMELEN);
   name->release[SYS_NAMELEN-1] = '\0';
 

libs/libc/unistd/Kconfig

@@ -99,3 +99,9 @@ config TASK_SPAWN_DEFAULT_STACKSIZE
 		Default: 2048.
 
 endmenu # Program Execution Options
+
+config LIB_HOSTNAME
+	string "Host name for this device"
+	default ""
+	---help---
+		A unique name to identify device on the network

libs/libc/unistd/Make.defs

@@ -60,9 +60,7 @@ ifneq ($(CONFIG_DISABLE_SIGNALS),y)
 CSRCS += lib_sleep.c lib_usleep.c
 endif
 
-ifeq ($(CONFIG_NET),y)
 CSRCS += lib_gethostname.c lib_sethostname.c
-endif
 
 # Add the unistd directory to the build
 

libs/libc/unistd/lib_gethostname.c

@@ -47,10 +47,6 @@
 
 #include <nuttx/irq.h>
 
-/* This file is only compiled if network support is enabled */
-
-#ifdef CONFIG_NET
-
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -59,8 +55,8 @@
  * changed via sethostname(), however.
  */
 
-#ifndef CONFIG_NET_HOSTNAME
-#  define CONFIG_NET_HOSTNAME ""
+#ifndef CONFIG_LIB_HOSTNAME
+#  define CONFIG_LIB_HOSTNAME ""
 #endif
 
 /****************************************************************************
@@ -69,7 +65,7 @@
 
 /* This is the system hostname */
 
-char g_hostname[HOST_NAME_MAX + 1] = CONFIG_NET_HOSTNAME;
+char g_hostname[HOST_NAME_MAX + 1] = CONFIG_LIB_HOSTNAME;
 
 /****************************************************************************
  * Public Functions
@@ -145,5 +141,3 @@ int gethostname(FAR char *name, size_t namelen)
 
 #endif
 }
-
-#endif /* CONFIG_NET */

libs/libc/unistd/lib_sethostname.c

@@ -46,10 +46,6 @@
 
 #include <nuttx/irq.h>
 
-/* This file is only compiled if network support is enabled */
-
-#ifdef CONFIG_NET
-
 /* Further, in the protected and kernel build modes where kernel and
  * application code are separated, the hostname is a common system property
  * and must reside only in the kernel.  In that case, this accessor
@@ -128,5 +124,4 @@ int sethostname(FAR const char *name, size_t size)
   return 0;
 }
 
-#endif /* CONFIG_NET */
 #endif /* (!CONFIG_BUILD_PROTECTED && !CONFIG_BUILD_KERNEL) || __KERNEL__ */