Android/ARM: Fix build with recent NDK.

Mike Pall · Mike Pall · commit 18eef08fb8df · 2020-07-02T01:23:41.000+02:00
diff --git a/src/lib_io.c b/src/lib_io.c
@@ -304,6 +304,14 @@ LJLIB_CF(io_method_flush)		LJLIB_REC(io_flush 0)
   return luaL_fileresult(L, fflush(io_tofile(L)->fp) == 0, NULL);
 }
 
+#if LJ_32 && defined(__ANDROID__) && __ANDROID_API__ < 24
+/* The Android NDK is such an unmatched marvel of engineering. */
+extern int fseeko32(FILE *, long int, int) __asm__("fseeko");
+extern long int ftello32(FILE *) __asm__("ftello");
+#define fseeko(fp, pos, whence)	(fseeko32((fp), (pos), (whence)))
+#define ftello(fp)		(ftello32((fp)))
+#endif
+
 LJLIB_CF(io_method_seek)
 {
   FILE *fp = io_tofile(L)->fp;

Original file line number	Diff line number	Diff line change
`@@ -304,6 +304,14 @@ LJLIB_CF(io_method_flush) LJLIB_REC(io_flush 0)`
`304`	`304`	`return luaL_fileresult(L, fflush(io_tofile(L)->fp) == 0, NULL);`
`305`	`305`	`}`
`306`	`306`
	`307`	`+#if LJ_32 && defined(__ANDROID__) && __ANDROID_API__ < 24`
	`308`	`+/* The Android NDK is such an unmatched marvel of engineering. */`
	`309`	`+extern int fseeko32(FILE *, long int, int) __asm__("fseeko");`
	`310`	`+extern long int ftello32(FILE *) __asm__("ftello");`
	`311`	`+#define fseeko(fp, pos, whence) (fseeko32((fp), (pos), (whence)))`
	`312`	`+#define ftello(fp) (ftello32((fp)))`
	`313`	`+#endif`
	`314`	`+`
`307`	`315`	`LJLIB_CF(io_method_seek)`
`308`	`316`	`{`
`309`	`317`	`FILE *fp = io_tofile(L)->fp;`