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VLIR linker malloc's memory, fixes

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2546 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
izydorst 2003-10-17 13:48:43 +00:00
parent 20f5dd421f
commit d4043e87ec
1 changed files with 12 additions and 7 deletions
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19
src/grc/grc.c
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@ -35,7 +35,7 @@
void VLIRLinker(int argc, char *argv[]) {
FILE *outCVT, *input;
unsigned char buffer[THIS_BUFFER_IS_SOOO_HUGE];
unsigned char *buffer;
unsigned char vlirtabt[127];
unsigned char vlirtabs[127];
int i,j,lastarg;
@ -60,7 +60,10 @@ int blocks,rest;
if (input==NULL)
AbEnd("can't open input:%s\n",strerror(errno));
bytes = fread(buffer,1,BLOODY_BIG_BUFFER,input);
buffer = malloc(THIS_BUFFER_IS_SOOO_HUGE);
memset(buffer,0,THIS_BUFFER_IS_SOOO_HUGE);
bytes = fread(buffer,1,1024,input);
fclose(input);
if (bytes!=508)
AbEnd("%s is not a cvt header\n",argv[i]);
@ -70,9 +73,9 @@ int blocks,rest;
/* now put 254 bytes of VLIR table, to update later */
/* clear out things */
memset(buffer,0,254);
memset(buffer,0,512);
fwrite(buffer,1,254,outCVT);
for (j=0;j!=126;j++) {
for (j=0;j<sizeof(vlirtabt)/sizeof(vlirtabt[0]);j++) {
vlirtabt[j]=0;
vlirtabs[j]=0;
}
@ -96,11 +99,11 @@ int blocks,rest;
else if (strcmp(argv[i],"noexist")==0) {
vlirtabt[j]=0; vlirtabs[j]=0xff; }
else {
memset(buffer,0,BLOODY_BIG_BUFFER);
memset(buffer,0,bytes+512);
input = fopen(argv[i],"rb");
if (input==NULL)
AbEnd("couldn't open %s:%s\n",argv[i],strerror(errno));
bytes = fread(buffer,1,BLOODY_BIG_BUFFER,input);
bytes = fread(buffer,1,THIS_BUFFER_IS_SOOO_HUGE,input);
fclose(input);
if (bytes==0)
AbEnd("couldn't read %s:%s\n",argv[i],strerror(errno));
@ -124,11 +127,13 @@ int blocks,rest;
++i;
}
free(buffer);
/* now rewind and update VLIR table */
fflush(outCVT);
fseek(outCVT,508,SEEK_SET);
for (i=0;i!=127;i++) {
for (i=0;i<sizeof(vlirtabt)/sizeof(vlirtabt[0]);i++) {
fputc(vlirtabt[i],outCVT);
fputc(vlirtabs[i],outCVT);
}