posix.cfg: Ensure null pointer input is correctly handled for gethostname().

orbitcowboy · orbitcowboy · commit 1055b118a457 · 2022-04-20T17:40:03.000+02:00
diff --git a/test/cfg/posix.c b/test/cfg/posix.c
@@ -48,6 +48,14 @@ int nullPointer_wcsnlen(const wchar_t *s, size_t n)
     return wcsnlen(s, n);
 }
 
+int nullPointer_gethostname(char *s, size_t n)
+{
+    // cppcheck-suppress nullPointer
+    (void)gethostname(NULL, n);
+    // No warning is expected
+    return gethostname(s, n);
+}
+
 int nullPointer_wcswidth(const wchar_t *s, size_t n)
 {
     // cppcheck-suppress nullPointer

Original file line number	Diff line number	Diff line change
`@@ -48,6 +48,14 @@ int nullPointer_wcsnlen(const wchar_t *s, size_t n)`
`48`	`48`	`return wcsnlen(s, n);`
`49`	`49`	`}`
`50`	`50`
	`51`	`+int nullPointer_gethostname(char *s, size_t n)`
	`52`	`+{`
	`53`	`+ // cppcheck-suppress nullPointer`
	`54`	`+ (void)gethostname(NULL, n);`
	`55`	`+ // No warning is expected`
	`56`	`+ return gethostname(s, n);`
	`57`	`+}`
	`58`	`+`
`51`	`59`	`int nullPointer_wcswidth(const wchar_t *s, size_t n)`
`52`	`60`	`{`
`53`	`61`	`// cppcheck-suppress nullPointer`