int main (int argc, char * argv[]) {
ERRNO(EINVAL);
FOO_UNEXPECTED("cannot frob the ka-knob");
goto error;
if (false) {
err_t * err = NULL;
error:
while ((err = err_get()) != NULL) {
switch (err_type(err)) {
case ERR_VERSION:
fprintf(stderr, "%s: %s : %s(%d) : v%d.%02d.%04d %.*s\n",
basename((char *)argv[0]),
err_type_name(err), basename(err_file(err)), err_line(err),
VER_TO_MAJOR(err_code(err)), VER_TO_MINOR(err_code(err)),
VER_TO_PATCH(err_code(err)),
err_size(err), (char *)err_data(err));
break;
default:
fprintf(stderr, "%s: %s : %s(%d) : (code=%d) %.*s\n",
basename((char *)argv[0]),
err_type_name(err), basename(err_file(err)), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
}
}
}
return 0;
}
int dump_errors(const char * name, FILE * out)
{
assert(name != NULL);
if (out == NULL)
out = stderr;
err_t * err = NULL;
while ((err = err_get()) != NULL) {
switch (err_type(err)) {
case ERR_VERSION:
fprintf(out, "%s: %s : %s(%d) : v%d.%02d.%04d %.*s\n",
basename((char *)name), err_type_name(err),
basename(err_file(err)), err_line(err),
VER_TO_MAJOR(err_code(err)),
VER_TO_MINOR(err_code(err)),
VER_TO_PATCH(err_code(err)),
err_size(err), (char *)err_data(err));
break;
default:
fprintf(out, "%s: %s : %s(%d) : (code=%d) %.*s\n",
basename((char *)name), err_type_name(err),
basename(err_file(err)), err_line(err),
err_code(err), err_size(err),
(char *)err_data(err));
}
}
return 0;
}
ffs_t *ffs_open(const char *path, off_t offset)
{
FILE * file = fopen(path, "r+");
if (file == NULL) {
__error.errnum = -1;
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : %s (errno=%d)\n",
program_invocation_short_name, "errno",
__FILE__, __LINE__, strerror(errno), errno);
return NULL;
}
ffs_t *self = __ffs_fopen(file, offset);
if (self == NULL) {
fclose(file);
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
}
return self;
}
int ffs_check(const char *path, off_t offset)
{
RAII(FILE*, file, fopen(path, "r"), fclose);
if (file == NULL) {
__error.errnum = -1;
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : %s (errno=%d)\n",
program_invocation_short_name, "errno",
__FILE__, __LINE__, strerror(errno), errno);
return -1;
}
int rc = __ffs_fcheck(file, offset);
if (rc < 0) {
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
// __ffs_check will return FFS_CHECK_* const's
}
return rc;
}
ffs_t *ffs_create(const char *path, off_t offset, uint32_t block_size,
uint32_t block_count)
{
ffs_t *self = __ffs_create(path, offset, block_size, block_count);
if (self == NULL) {
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
}
return self;
}
ssize_t ffs_entry_list(ffs_t * self, ffs_entry_t ** list)
{
ssize_t rc = __ffs_entry_list(self, list);
if (rc < 0) {
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
rc = -1;
}
return rc;
}
int ffs_info(ffs_t *self, int name, uint32_t *value)
{
int rc = __ffs_info(self, name, value);
if (rc < 0) {
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
rc = -1;
}
return rc;
}
ssize_t ffs_entry_write(ffs_t * self, const char *path, const void *buf,
off_t offset, size_t count)
{
ssize_t rc = __ffs_entry_write(self, path, buf, offset, count);
if (rc < 0) {
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
rc = -1;
}
return rc;
}
int ffs_entry_add(ffs_t * self, const char *path, off_t offset, size_t size,
ffs_type_t type, uint32_t flags)
{
int rc = __ffs_entry_add(self, path, offset, size, type, flags);
if (rc < 0) {
err_t *err = err_get();
assert(err != NULL);
__error.errnum = err_code(err);
snprintf(__error.errstr, sizeof __error.errstr,
"%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
rc = -1;
}
return rc;
}
int main(int argc, char *argv[])
{
static const struct option long_opts[] = {
/* commands */
{"inject", required_argument, NULL, c_INJECT},
{"remove", required_argument, NULL, c_REMOVE},
{"hexdump", required_argument, NULL, c_HEXDUMP},
/* options */
{"output", required_argument, NULL, o_OUTPUT},
/* flags */
{"force", no_argument, NULL, f_FORCE},
{"p8", no_argument, NULL, f_P8},
{"verbose", no_argument, NULL, f_VERBOSE},
{"help", no_argument, NULL, f_HELP},
{0, 0, 0, 0}
};
static const char *short_opts = "I:R:H:o:fpvh";
int rc = EXIT_FAILURE;
if (argc == 1)
usage(args.short_name, false), exit(rc);
int opt = 0, idx = 0;
while ((opt = getopt_long(argc, argv, short_opts, long_opts,
&idx)) != -1)
if (process_argument(&args, opt, optarg) < 0)
goto error;
/* getopt_long doesn't know what to do with orphans, */
/* so we'll scoop them up here, and deal with them later */
while (optind < argc)
if (process_option(&args, argv[optind++]) < 0)
goto error;
if (args.verbose == f_VERBOSE)
args_dump(&args);
if (validate_args(&args) < 0)
goto error;
if (process_args(&args) < 0)
goto error;
rc = EXIT_SUCCESS;
if (false) {
err_t *err;
error:
err = err_get();
assert(err != NULL);
fprintf(stderr, "%s: %s : %s(%d) : (code=%d) %.*s\n",
program_invocation_short_name,
err_type_name(err), err_file(err), err_line(err),
err_code(err), err_size(err), (char *)err_data(err));
}
return rc;
}
