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avrdude: add file offset to update operation spec, refactoring

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This commit is contained in:
Vojtech Kral 2018-06-18 18:10:50 +02:00 • committed by bubnikv
parent 7863412687
commit 15f943938b
6 changed files with 118 additions and 83 deletions
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38
xs/src/avrdude/update.c
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@ -101,6 +101,25 @@ UPDATE * parse_op(char * s)
p++;
// Extension: Parse file contents offset
size_t offset = 0;
for (; *p != ':'; p++) {
if (*p >= '0' && *p <= '9') {
offset *= 10;
offset += *p - 0x30;
} else {
avrdude_message(MSG_INFO, "%s: invalid update specification: offset is not a number\n", progname);
free(upd->memtype);
free(upd);
return NULL;
}
}
upd->offset = offset;
printf("parse_op: offset: %lu\n", offset);
p++;
/*
* Now, parse the filename component. Instead of looking for the
* leftmost possible colon delimiter, we look for the rightmost one.
@ -176,7 +195,7 @@ UPDATE * dup_update(UPDATE * upd)
return u;
}
UPDATE * new_update(int op, char * memtype, int filefmt, char * filename)
UPDATE * new_update(int op, char * memtype, int filefmt, char * filename, size_t offset)
{
UPDATE * u;
@ -190,6 +209,7 @@ UPDATE * new_update(int op, char * memtype, int filefmt, char * filename)
u->filename = strdup(filename);
u->op = op;
u->format = filefmt;
u->offset = offset;
return u;
}
@ -250,7 +270,7 @@ int do_op(PROGRAMMER * pgm, struct avrpart * p, UPDATE * upd, enum updateflags f
progname,
strcmp(upd->filename, "-")==0 ? "<stdout>" : upd->filename);
}
rc = fileio(FIO_WRITE, upd->filename, upd->format, p, upd->memtype, size);
rc = fileio(FIO_WRITE, upd->filename, upd->format, p, upd->memtype, size, 0);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: write to file '%s' failed\n",
progname, upd->filename);
@ -267,7 +287,7 @@ int do_op(PROGRAMMER * pgm, struct avrpart * p, UPDATE * upd, enum updateflags f
progname,
strcmp(upd->filename, "-")==0 ? "<stdin>" : upd->filename);
}
rc = fileio(FIO_READ, upd->filename, upd->format, p, upd->memtype, -1);
rc = fileio(FIO_READ, upd->filename, upd->format, p, upd->memtype, -1, upd->offset);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: read from file '%s' failed\n",
progname, upd->filename);
@ -296,11 +316,11 @@ int do_op(PROGRAMMER * pgm, struct avrpart * p, UPDATE * upd, enum updateflags f
report_progress(1,1,NULL);
}
else {
/*
* test mode, don't actually write to the chip, output the buffer
* to stdout in intel hex instead
*/
rc = fileio(FIO_WRITE, "-", FMT_IHEX, p, upd->memtype, size);
// /*
// * test mode, don't actually write to the chip, output the buffer
// * to stdout in intel hex instead
// */
// rc = fileio(FIO_WRITE, "-", FMT_IHEX, p, upd->memtype, size, 0);
}
if (rc < 0) {
@ -332,7 +352,7 @@ int do_op(PROGRAMMER * pgm, struct avrpart * p, UPDATE * upd, enum updateflags f
progname, mem->desc, upd->filename);
}
rc = fileio(FIO_READ, upd->filename, upd->format, p, upd->memtype, -1);
rc = fileio(FIO_READ, upd->filename, upd->format, p, upd->memtype, -1, upd->offset);
if (rc < 0) {
avrdude_message(MSG_INFO, "%s: read from file '%s' failed\n",
progname, upd->filename);