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 656341aaac..60c76a1302 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 9d3be22c03..14ec7a5ca9 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 ad7c309bd8..dc89cddf8b 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);
 }