Minor bug when writing files; files weren't truncated to 0, so when

writing a file smaller than the previous one, it adds garbage to the end.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6147 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 7 insertions, 6 deletions

diff --git a/apps/plugins/rockboy/cpu.c b/apps/plugins/rockboy/cpu.c
index 656341a..60c76a1 100644
--- a/apps/plugins/rockboy/cpu.c
+++ b/apps/plugins/rockboy/cpu.c
@@ -949,7 +949,7 @@ next:
             int fd;
 	    blockcount++;
             snprintf(meow,499,"/dyna_0x%x_run.rb",PC);
-	    fd=open(meow,O_WRONLY|O_CREAT);
+	    fd=open(meow,O_WRONLY|O_CREAT|O_TRUNC);
 	    if(fd>=0) {
 		fdprintf(fd,"Block 0x%x Blockcount: %d\n",PC,blockcount);
 		fdprintf(fd,"before: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
diff --git a/apps/plugins/rockboy/dynarec.c b/apps/plugins/rockboy/dynarec.c
index 9d3be22..14ec7a5 100644
--- a/apps/plugins/rockboy/dynarec.c
+++ b/apps/plugins/rockboy/dynarec.c
@@ -384,7 +384,7 @@ void dynamic_recompile (struct dynarec_block *newblock) {
     newblock->block=dynapointer;
 #ifdef DYNA_DEBUG
     snprintf(meow,499,"/dyna_0x%x_asm.rb",PC);
-    fd=open(meow,O_WRONLY|O_CREAT);
+    fd=open(meow,O_WRONLY|O_CREAT|O_TRUNC);
     if(fd<0) {
 	die("couldn't open dyna debug file");
         return;
@@ -915,6 +915,7 @@ void dynamic_recompile (struct dynarec_block *newblock) {
 	    DYNA_BTST_l_r(8,7); /* btst #8,d7 */
 	    DYNA_DUMMYBRANCH(2,0);
 	    DYNA_MOVEA_l_i_to_r(&blockclen,3);
+	    DYNA_MOVE_l_i_to_m(tclen,3);
 	    DYNA_MOVEA_l_i_to_r(readw(PC),1);
 	    DYNA_RET();
 	    DYNA_BCC_c(0x6,2,0); /* jump here if bit is not zero */
@@ -974,7 +975,7 @@ void dynamic_recompile (struct dynarec_block *newblock) {
     newblock->length=dynapointer-newblock->block;
     invalidate_icache();
     snprintf(meow,499,"/dyna_0x%x_code.rb",PC);
-    fd=open(meow,O_WRONLY|O_CREAT);
+    fd=open(meow,O_WRONLY|O_CREAT|O_TRUNC);
     if(fd>=0) {
         write(fd,newblock->block,newblock->length);
 	close(fd);
diff --git a/apps/plugins/rockboy/loader.c b/apps/plugins/rockboy/loader.c
index ad7c309..dc89cdd 100644
--- a/apps/plugins/rockboy/loader.c
+++ b/apps/plugins/rockboy/loader.c
@@ -218,7 +218,7 @@ int sram_save(void)
 	/* If we crash before we ever loaded sram, DO NOT SAVE! */
 	if (!mbc.batt || !sramfile || !ram.loaded || !mbc.ramsize)
 		return -1;
-	fd = open(sramfile, O_WRONLY|O_CREAT);
+	fd = open(sramfile, O_WRONLY|O_CREAT|O_TRUNC);
 //	snprintf(meow,499,"Opening %s %d",sramfile,fd);
 //	rb->splash(HZ*2, true, meow);
 	if (fd<0) return -1;
@@ -240,7 +240,7 @@ void state_save(int n)
 	if (n < 0) n = 0;
 	snprintf(name, 499,"%s.%03d", saveprefix, n);
 
-	if ((fd = open(name, O_WRONLY|O_CREAT)>=0))
+	if ((fd = open(name, O_WRONLY|O_CREAT|O_TRUNC)>=0))
 	{
 		savestate(fd);
 		close(fd);
@@ -272,7 +272,7 @@ void rtc_save(void)
 {
 	int fd;
 	if (!rtc.batt) return;
-	if ((fd = open(rtcfile, O_WRONLY|O_CREAT))<0) return;
+	if ((fd = open(rtcfile, O_WRONLY|O_CREAT|O_TRUNC))<0) return;
 	rtc_save_internal(fd);
 	close(fd);
 }