Split function determining full path to ROM.

Adjust bus tests to this change.

test/test_bus.c

@@ -3,7 +3,9 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "rk65c02.h"
 #include "bus.h"
+#include "utils.h"
 
 ATF_TC_WITHOUT_HEAD(bus_init);
 ATF_TC_BODY(bus_init, tc)
@@ -21,10 +23,13 @@ ATF_TC_WITHOUT_HEAD(bus_load_file);
 ATF_TC_BODY(bus_load_file, tc)
 {
 	bus_t b;
+	const char *rompath;
 
 	b = bus_init();
 
-	ATF_REQUIRE(bus_load_file(&b, 0xC000, "test_emulation_nop.rom"));
+	rompath = rom_path("test_emulation_nop.rom", tc);
+
+	ATF_REQUIRE(bus_load_file(&b, 0xC000, rompath));
 
 	ATF_CHECK(b.space[0xC000] == 0xEA);
 

test/utils.c

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <limits.h>
 #include <atf-c.h>
 
@@ -7,24 +8,33 @@
 
 #include "utils.h"
 
-bool
-rom_start(rk65c02emu_t *e, const char *name, const atf_tc_t *tc)
+const char *
+rom_path(const char *name, const atf_tc_t *tc)
 {
-	char rompath[PATH_MAX];
+	char *rompath;
 	const char *srcdir;
-       
+
+	rompath = malloc(PATH_MAX);
 	srcdir = atf_tc_get_config_var(tc, "srcdir");
-	
+
 	strcpy(rompath, srcdir);
 	strcat(rompath, "/");
 	strcat(rompath, name);
 
-	printf("%s\n", rompath);
+	return rompath;
+}
+
+bool
+rom_start(rk65c02emu_t *e, const char *name, const atf_tc_t *tc)
+{
+	const char *path;
+
+	path = rom_path(name, tc);
+	printf("%s\n", path);
         e->regs.PC = ROM_LOAD_ADDR;
-        if(!bus_load_file(e->bus, ROM_LOAD_ADDR, rompath))
+        if(!bus_load_file(e->bus, ROM_LOAD_ADDR, path))
                 return false;
         rk65c02_start(e);
 
         return true;
 }
-

test/utils.h

@@ -4,4 +4,5 @@
 #define ROM_LOAD_ADDR 0xC000
 
 bool rom_start(rk65c02emu_t *, const char *, const atf_tc_t *);
+const char * rom_path(const char *, const atf_tc_t *);
 #endif /* _UTILS_H_ */