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The libc versions of get/sethostname should just call the internal net/netdb versions in the flat build. In the protected and kernel builds, sethostname is a system call but gethostname calls uname() to get the hostname

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This commit is contained in:
Gregory Nutt
2015-07-05 10:45:00 -06:00
parent 6380832ab7
commit d8d4ab8c10
3 changed files with 48 additions and 89 deletions
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libc/misc/lib_utsname.c
+13 -1
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@@ -43,6 +43,16 @@
#include <string.h>
#include <nuttx/version.h>
#include <nuttx/net/netdb.h>
/* In the protected and kernel build modes where kernel and application code
* are separated, some of these common system property must reside only in
* the kernel. In that case, uname() can only be called from user space via
* a kernel system call.
*/
#if (!defined(CONFIG_BUILD_PROTECTED) && !defined(CONFIG_BUILD_KERNEL)) || \
defined(__KERNEL__)
/****************************************************************************
* Pre-processor Definitions
@@ -91,7 +101,7 @@ int uname(FAR struct utsname *name)
#ifdef CONFIG_NET
/* Get the hostname */
if (-1 == gethostname(name->nodename, HOST_NAME_MAX))
if (-1 == netdb_gethostname(name->nodename, HOST_NAME_MAX))
{
ret = -1;
}
@@ -113,3 +123,5 @@ int uname(FAR struct utsname *name)
return ret;
}
#endif /* (!CONFIG_BUILD_PROTECTED) && !CONFIG_BUILD_KERNEL) || __KERNEL__ */