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Redo most of r851 and r880, respectively, minus the bugs. ;-) 

(Submitted by dhoerl)


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@929 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2010-01-18 20:40:15 +00:00
parent 4e53f3451e
commit befb4dc9cc
2 changed files with 15 additions and 14 deletions
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4
ChangeLog
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@ -1,8 +1,8 @@
2010-01-18 Joerg Wunsch <j.gnu@uriah.heep.sax.de> 2010-01-18 David Hoerl <dhoerl@mac.com>
bug #28660: Problem with loading intel hex rom files that exceed bug #28660: Problem with loading intel hex rom files that exceed
0x10000 bytes 0x10000 bytes
* fileio.c: Revert the changes from r851 and r880, respectively. * fileio.c: Fix two byte shifts.
2010-01-15 Joerg Wunsch <j.gnu@uriah.heep.sax.de> 2010-01-15 Joerg Wunsch <j.gnu@uriah.heep.sax.de>

25
fileio.c
View File

@ -261,23 +261,24 @@ static int ihex_readrec(struct ihexrec * ihex, char * rec)
* If an error occurs, return -1. * If an error occurs, return -1.
* *
* */ * */
static int ihex2b(char * infile, FILE * inf, static int ihex2b(char * infile, FILE * inf,
unsigned char * outbuf, int bufsize) unsigned char * outbuf, int bufsize)
{ {
char buffer [ MAX_LINE_LEN ]; char buffer [ MAX_LINE_LEN ];
unsigned char * buf; unsigned char * buf;
unsigned int nextaddr, baseaddr, maxaddr; unsigned int nextaddr, baseaddr, maxaddr, offsetaddr;
int i; int i;
int lineno; int lineno;
int len; int len;
struct ihexrec ihex; struct ihexrec ihex;
int rc; int rc;
lineno = 0; lineno = 0;
buf = outbuf; buf = outbuf;
baseaddr = 0; baseaddr = 0;
maxaddr = 0; maxaddr = 0;
offsetaddr = 0;
nextaddr = 0;
while (fgets((char *)buffer,MAX_LINE_LEN,inf)!=NULL) { while (fgets((char *)buffer,MAX_LINE_LEN,inf)!=NULL) {
lineno++; lineno++;
@ -301,24 +302,23 @@ static int ihex2b(char * infile, FILE * inf,
} }
switch (ihex.rectyp) { switch (ihex.rectyp) {
case 0: /* data record */ case 0: /* data record */
nextaddr = ihex.loadofs + baseaddr; nextaddr = ihex.loadofs + baseaddr;
if (nextaddr + ihex.reclen > bufsize) { if ((nextaddr + ihex.reclen) > (bufsize+offsetaddr)) {
fprintf(stderr, fprintf(stderr,
"%s: ERROR: address 0x%04x out of range at line %d of %s\n", "%s: ERROR: address 0x%04x out of range at line %d of %s\n",
progname, nextaddr+ihex.reclen, lineno, infile); progname, nextaddr+ihex.reclen, lineno, infile);
return -1; return -1;
} }
for (i=0; i<ihex.reclen; i++) { for (i=0; i<ihex.reclen; i++) {
buf[nextaddr+i] = ihex.data[i]; buf[nextaddr+i-offsetaddr] = ihex.data[i];
} }
if (nextaddr+ihex.reclen > maxaddr) if (nextaddr+ihex.reclen > maxaddr)
maxaddr = nextaddr+ihex.reclen; maxaddr = nextaddr+ihex.reclen;
break; break;
case 1: /* end of file record */ case 1: /* end of file record */
return maxaddr; return maxaddr-offsetaddr;
break; break;
case 2: /* extended segment address record */ case 2: /* extended segment address record */
@ -331,6 +331,7 @@ static int ihex2b(char * infile, FILE * inf,
case 4: /* extended linear address record */ case 4: /* extended linear address record */
baseaddr = (ihex.data[0] << 8 | ihex.data[1]) << 16; baseaddr = (ihex.data[0] << 8 | ihex.data[1]) << 16;
if(nextaddr == 0) offsetaddr = baseaddr; // if provided before any data, then remember it
break; break;
case 5: /* start linear address record */ case 5: /* start linear address record */
@ -353,10 +354,9 @@ static int ihex2b(char * infile, FILE * inf,
"file \"%s\"\n", "file \"%s\"\n",
progname, infile); progname, infile);
return maxaddr; return maxaddr-offsetaddr;
} }
static int b2srec(unsigned char * inbuf, int bufsize, static int b2srec(unsigned char * inbuf, int bufsize,
int recsize, int startaddr, int recsize, int startaddr,
char * outfile, FILE * outf) char * outfile, FILE * outf)
@ -1153,6 +1153,7 @@ int fileio(int op, char * filename, FILEFMT format,
if (format != FMT_IMM && !using_stdio) { if (format != FMT_IMM && !using_stdio) {
fclose(f); fclose(f);
} }
return rc; return rc;
} }