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

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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
This commit is contained in:
Michiel Van Der Kolk 2005-03-05 22:50:41 +00:00
parent fabdf1de6f
commit e5b4913d19
3 changed files with 7 additions and 6 deletions
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2
apps/plugins/rockboy/cpu.c
View file

@ -949,7 +949,7 @@ next:
int fd; int fd;
blockcount++; blockcount++;
snprintf(meow,499,"/dyna_0x%x_run.rb",PC); 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) { if(fd>=0) {
fdprintf(fd,"Block 0x%x Blockcount: %d\n",PC,blockcount); 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", fdprintf(fd,"before: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",

5
apps/plugins/rockboy/dynarec.c
View file

@ -384,7 +384,7 @@ void dynamic_recompile (struct dynarec_block *newblock) {
newblock->block=dynapointer; newblock->block=dynapointer;
#ifdef DYNA_DEBUG #ifdef DYNA_DEBUG
snprintf(meow,499,"/dyna_0x%x_asm.rb",PC); 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) { if(fd<0) {
die("couldn't open dyna debug file"); die("couldn't open dyna debug file");
return; return;
@ -915,6 +915,7 @@ void dynamic_recompile (struct dynarec_block *newblock) {
DYNA_BTST_l_r(8,7); /* btst #8,d7 */ DYNA_BTST_l_r(8,7); /* btst #8,d7 */
DYNA_DUMMYBRANCH(2,0); DYNA_DUMMYBRANCH(2,0);
DYNA_MOVEA_l_i_to_r(&blockclen,3); 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_MOVEA_l_i_to_r(readw(PC),1);
DYNA_RET(); DYNA_RET();
DYNA_BCC_c(0x6,2,0); /* jump here if bit is not zero */ 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; newblock->length=dynapointer-newblock->block;
invalidate_icache(); invalidate_icache();
snprintf(meow,499,"/dyna_0x%x_code.rb",PC); 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) { if(fd>=0) {
write(fd,newblock->block,newblock->length); write(fd,newblock->block,newblock->length);
close(fd); close(fd);

6
apps/plugins/rockboy/loader.c
View file

@ -218,7 +218,7 @@ int sram_save(void)
/* If we crash before we ever loaded sram, DO NOT SAVE! */ /* If we crash before we ever loaded sram, DO NOT SAVE! */
if (!mbc.batt || !sramfile || !ram.loaded || !mbc.ramsize) if (!mbc.batt || !sramfile || !ram.loaded || !mbc.ramsize)
return -1; 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); // snprintf(meow,499,"Opening %s %d",sramfile,fd);
// rb->splash(HZ*2, true, meow); // rb->splash(HZ*2, true, meow);
if (fd<0) return -1; if (fd<0) return -1;
@ -240,7 +240,7 @@ void state_save(int n)
if (n < 0) n = 0; if (n < 0) n = 0;
snprintf(name, 499,"%s.%03d", saveprefix, n); 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); savestate(fd);
close(fd); close(fd);
@ -272,7 +272,7 @@ void rtc_save(void)
{ {
int fd; int fd;
if (!rtc.batt) return; 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); rtc_save_internal(fd);
close(fd); close(fd);
} }