lib/: Use ATTR_STRING() on stpecpy() and strtcpy()

These function consume a source string. Document that. There's no way to mark that they also produce a string in dst, though. That will be up to the static analyzer to guess. Signed-off-by: Alejandro Colomar <[email protected]>
shadow-maint · Nov 26, 2023 · 3bfd1c0 · 3bfd1c0
1 parent a1a1b13
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diff --git a/lib/stpecpy.h b/lib/stpecpy.h
@@ -17,7 +17,10 @@
 #include <stddef.h>
 #include <string.h>
 
+#include "defines.h"
 
+
+ATTR_STRING(3)
 inline char *stpecpy(char *dst, char *end, const char *restrict src);
 
 

diff --git a/lib/strtcpy.h b/lib/strtcpy.h
@@ -15,6 +15,7 @@
 #include <string.h>
 #include <sys/types.h>
 
+#include "defines.h"
 #include "sizeof.h"
 
 
@@ -47,6 +48,7 @@
 #define STRTCPY(dst, src)  strtcpy(dst, src, SIZEOF_ARRAY(dst))
 
 
+ATTR_STRING(2)
 inline ssize_t strtcpy(char *restrict dst, const char *restrict src,
     size_t dsize);