/**
* tnsp_file_display:
* @filename: a TI file.
*
* Determine file class and display internal content.
*
* Return value: an error code, 0 otherwise.
**/
int tnsp_file_display(const char *filename)
{
FileContent *content1;
FlashContent *content3;
int ret;
if (tifiles_file_is_os(filename))
{
content3 = tifiles_content_create_flash(CALC_NSPIRE);
ret = tnsp_file_read_flash(filename, content3);
if (!ret)
{
tnsp_content_display_flash(content3);
tifiles_content_delete_flash(content3);
}
}
else if (tifiles_file_is_regular(filename))
{
content1 = tifiles_content_create_regular(CALC_NSPIRE);
ret = tnsp_file_read_regular(filename, content1);
if (!ret)
{
tifiles_file_display_regular(content1);
tifiles_content_delete_regular(content1);
}
}
else
{
tifiles_info("Unknown file type !");
return ERR_BAD_FILE;
}
return ret;
}
/**
* tnsp_file_display:
* @filename: a TI file.
*
* Determine file class and display internal content.
*
* Return value: an error code, 0 otherwise.
**/
int tnsp_file_display(const char *filename)
{
FileContent *content1;
FlashContent *content3;
// the testing order is important: regular before backup (due to TI89/92+)
if (tifiles_file_is_os(filename))
{
content3 = tifiles_content_create_flash(CALC_NSPIRE);
tnsp_file_read_flash(filename, content3);
tnsp_content_display_flash(content3);
tifiles_content_delete_flash(content3);
}
else if (tifiles_file_is_regular(filename))
{
content1 = tifiles_content_create_regular(CALC_TI92);
tnsp_file_read_regular(filename, content1);
tnsp_content_display_regular(content1);
tifiles_content_delete_regular(content1);
}
else
{
tifiles_info("Unknown file type !");
return ERR_BAD_FILE;
}
return 0;
}
/**
* tnsp_file_read_regular:
* @filename: name of file to open.
* @content: where to store the file content.
*
* Load the file into a FileContent structure.
*
* Structure content must be freed with #tifiles_content_delete_regular when
* no longer used. If error occurs, the structure content is released for you.
*
* Return value: an error code, 0 otherwise.
**/
int tnsp_file_read_regular(const char *filename, FileContent *content)
{
FILE *f;
if (!tifiles_file_is_regular(filename))
{
return ERR_INVALID_FILE;
}
if (content == NULL)
{
tifiles_critical("%s: an argument is NULL", __FUNCTION__);
return ERR_INVALID_FILE;
}
f = g_fopen(filename, "rb");
if (f == NULL)
{
tifiles_info( "Unable to open this file: %s", filename);
return ERR_FILE_OPEN;
}
content->model = CALC_NSPIRE;
content->model_dst = content->model;
content->entries = g_malloc0((content->num_entries + 1) * sizeof(VarEntry*));
{
VarEntry *entry = content->entries[0] = g_malloc0(sizeof(VarEntry));
gchar *basename = g_path_get_basename(filename);
gchar *ext = tifiles_fext_get(basename);
entry->type = tifiles_fext2vartype(content->model, ext);
if(ext) *(ext-1) = '\0';
strcpy(entry->folder, "");
strcpy(entry->name, basename);
g_free(basename);
entry->attr = ATTRB_NONE;
fseek(f, 0, SEEK_END);
entry->size = (uint32_t)ftell(f);
fseek(f, 0, SEEK_SET);
entry->data = (uint8_t *)g_malloc0(entry->size);
if(fread(entry->data, 1, entry->size, f) < entry->size) goto tffr;
}
content->num_entries++;
fclose(f);
return 0;
tffr: // release on exit
tifiles_critical("%s: error reading / understanding file %s", __FUNCTION__, filename);
fclose(f);
tifiles_content_delete_regular(content);
return ERR_FILE_IO;
}
/**
* ti9x_file_display:
* @filename: a TI file.
*
* Determine file class and display internal content.
*
* Return value: an error code, 0 otherwise.
**/
int ti9x_file_display(const char *filename)
{
Ti9xRegular *content1;
Ti9xBackup *content2;
Ti9xFlash *content3;
int ret;
// the testing order is important: regular before backup (due to TI89/92+)
if (tifiles_file_is_flash(filename) || tifiles_file_is_tib(filename))
{
content3 = tifiles_content_create_flash(CALC_TI92);
ret = ti9x_file_read_flash(filename, content3);
if (!ret)
{
ti9x_content_display_flash(content3);
tifiles_content_delete_flash(content3);
}
}
else if (tifiles_file_is_regular(filename))
{
content1 = tifiles_content_create_regular(CALC_TI92);
ret = ti9x_file_read_regular(filename, content1);
if (!ret)
{
tifiles_file_display_regular(content1);
tifiles_content_delete_regular(content1);
}
}
else if (tifiles_file_is_backup(filename))
{
content2 = tifiles_content_create_backup(CALC_TI92);
ret = ti9x_file_read_backup(filename, content2);
if (!ret)
{
ti9x_content_display_backup(content2);
tifiles_content_delete_backup(content2);
}
}
else
{
tifiles_info("Unknown file type !");
return ERR_BAD_FILE;
}
return ret;
}
GLADE_CB void
on_open_clicked (GtkToolButton *toolbutton,
gpointer user_data)
{
gchar *fn;
if(user_data == NULL)
{
if(GFMFile.contents.group || GFMFile.contents.tigroup)
{
int result = msgbox_two(MSGBOX_YESNO, _("Do you want to save previous file?"));
if(result == MSGBOX_YES)
on_save_clicked(toolbutton,user_data);
}
fn = (char *)create_fsel(inst_paths.home_dir, "", "*.73?;*.82?;*.83?;*.8X?;*.85?;*.86?;*.89?;*.92?;*.9x?;*.V2?;*.tig", FALSE);
if(fn == NULL)
return;
}
else
{
// command line
fn = (char *)user_data;
}
if(tifiles_file_is_tigroup(fn))
GFMFile.type = TIFILE_TIGROUP;
else if(tifiles_file_is_regular(fn))
GFMFile.type = TIFILE_GROUP;
else
return;
file_load(fn);
g_free(GFMFile.filename);
GFMFile.filename = g_strdup(fn);
enable_save(FALSE);
enable_tree(TRUE);
ctree_refresh();
labels_refresh();
g_free(inst_paths.home_dir);
inst_paths.home_dir = g_path_get_dirname(GFMFile.filename);
}
void tilp_local_selection_add(const char* filename)
{
FileEntry* fe = g_malloc0(sizeof(FileEntry));
fe->name = g_strdup(filename);
if(tifiles_file_is_regular(fe->name))
local.selection0 = g_list_prepend(local.selection0, fe);
else if(tifiles_file_is_flash(fe->name))
local.selection2 = g_list_prepend(local.selection2, fe);
else if(tifiles_file_is_backup(fe->name))
local.selection4 = g_list_prepend(local.selection4, fe);
else if(tifiles_file_is_tigroup(fe->name))
local.selection5 = g_list_prepend(local.selection5, fe);
}
GLADE_CB void
on_ungroup_clicked (GtkButton *button,
gpointer user_data)
{
char *fn;
fn = (char *)create_fsel(inst_paths.home_dir, "", "*.73g;*.82g;*.83g;*.8Xg;*.85g;*.86g;*.89g;*.92g;*.9Xg;*.V2g;*.tig", FALSE);
if(fn == NULL)
return;
if(tifiles_file_is_tigroup(fn))
gfm_tifiles_ungroup(fn, TIFILE_TIGROUP);
else if(tifiles_file_is_regular(fn))
gfm_tifiles_ungroup(fn, TIFILE_GROUP);
else
return;
}
/**
* ti9x_file_read_regular:
* @filename: name of single/group file to open.
* @content: where to store the file content.
*
* Load the single/group file into a Ti9xRegular structure.
*
* Structure content must be freed with #tifiles_content_delete_regular when
* no longer used. If error occurs, the structure content is released for you.
*
* Return value: an error code, 0 otherwise.
**/
int ti9x_file_read_regular(const char *filename, Ti9xRegular *content)
{
FILE *f;
long cur_pos;
char default_folder[FLDNAME_MAX];
char current_folder[FLDNAME_MAX];
uint32_t curr_offset = 0;
uint32_t next_offset = 0;
uint32_t file_size;
uint16_t tmp;
unsigned int i, j;
char signature[9];
char varname[VARNAME_MAX];
int ret = ERR_FILE_IO;
if (content == NULL)
{
tifiles_critical("%s: an argument is NULL", __FUNCTION__);
return ERR_INVALID_FILE;
}
if (!tifiles_file_is_regular(filename))
{
ret = ERR_INVALID_FILE;
goto tfrr2;
}
f = g_fopen(filename, "rb");
if (f == NULL)
{
ret = ERR_FILE_OPEN;
goto tfrr2;
}
// Get file size, then rewind.
if (fseek(f, 0, SEEK_END) < 0) goto tfrr;
cur_pos = ftell(f);
if (cur_pos < 0) goto tfrr;
if (fseek(f, 0, SEEK_SET) < 0) goto tfrr;
// The TI-68k series' members have at best 4 MB of Flash (TODO: modify this code if this no longer holds).
// Regular / group files larger than that size are highly dubious, files larger than twice that size are insane.
if (cur_pos >= (8L << 20))
{
ret = ERR_INVALID_FILE;
goto tfrr;
}
file_size = (uint32_t)cur_pos;
if (fread_8_chars(f, signature) < 0) goto tfrr; // Offset 0
content->model = tifiles_signature2calctype(signature);
if (content->model == CALC_NONE)
{
ret = ERR_INVALID_FILE;
goto tfrr;
}
if (content->model_dst == CALC_NONE)
{
content->model_dst = content->model;
}
if (fread_word(f, NULL) < 0) goto tfrr; // Offset 0x8
if (fread_8_chars(f, default_folder) < 0) goto tfrr; // Offset 0xA
ticonv_varname_from_tifile_sn(content->model_dst, default_folder, content->default_folder, sizeof(content->default_folder), -1);
strncpy(current_folder, content->default_folder, sizeof(current_folder) - 1);
current_folder[sizeof(current_folder) - 1] = 0;
if (fread_n_chars(f, 40, content->comment) < 0) goto tfrr; // Offset 0x12
if (fread_word(f, &tmp) < 0) goto tfrr; // Offset 0x3A
content->num_entries = tmp;
content->entries = g_malloc0((content->num_entries + 1) * sizeof(VarEntry*));
if (content->entries == NULL)
{
ret = ERR_MALLOC;
goto tfrr;
}
for (i = 0, j = 0; i < content->num_entries; i++)
{
VarEntry *entry = content->entries[j] = g_malloc0(sizeof(VarEntry));
if (fread_long(f, &curr_offset) < 0) goto tfrr; // Offset N, 0x3C for the first entry
if (curr_offset > file_size)
{
ret = ERR_INVALID_FILE;
goto tfrr;
}
if (fread_8_chars(f, varname) < 0) goto tfrr; // Offset N+4, 0x40 for the first entry
ticonv_varname_from_tifile_sn(content->model_dst, varname, entry->name, sizeof(entry->name), entry->type);
if (fread_byte(f, &(entry->type)) < 0) goto tfrr; // Offset N+12, 0x48 for the first entry
if (fread_byte(f, &(entry->attr)) < 0) goto tfrr; // Offset N+13, 0x49 for the first entry
entry->attr = (entry->attr == 2 || entry->attr == 3) ? ATTRB_ARCHIVED : entry->attr;
if (fread_word(f, NULL) < 0) goto tfrr; // Offset N+14, 0x4A for the first entry
if (entry->type == TI92_DIR) // same as TI89_DIR, TI89t_DIR, ...
{
strncpy(current_folder, entry->name,sizeof(current_folder) - 1);
current_folder[sizeof(current_folder) - 1] = 0;
g_free(entry);
continue; // folder: skip entry
}
else
{
uint16_t checksum, sum = 0;
j++;
strncpy(entry->folder, current_folder, sizeof(entry->folder) - 1);
current_folder[sizeof(entry->folder) - 1] = 0;
cur_pos = ftell(f);
if (cur_pos < 0) goto tfrr;
if (fread_long(f, &next_offset) < 0) goto tfrr; // Offset N+16, 0x4C for the first entry
if (next_offset > file_size)
{
ret = ERR_INVALID_FILE;
goto tfrr;
}
entry->size = next_offset - curr_offset - 4 - 2;
if (entry->size > file_size)
{
ret = ERR_INVALID_FILE;
goto tfrr;
}
entry->data = (uint8_t *)g_malloc0(entry->size);
if (entry->data == NULL)
{
ret = ERR_MALLOC;
goto tfrr;
}
if (fseek(f, curr_offset, SEEK_SET)) goto tfrr;
if (fread_long(f, NULL) < 0) goto tfrr; // Normally: offset N+22, 0x52 for the first entry
if (fread(entry->data, 1, entry->size, f) < entry->size) goto tfrr; // Normally: offset N+26, 0x56 for the first entry
if (fread_word(f, &checksum) < 0) goto tfrr;
if (fseek(f, cur_pos, SEEK_SET)) goto tfrr;
sum = tifiles_checksum(entry->data, entry->size);
if (sum != checksum)
{
ret = ERR_FILE_CHECKSUM;
goto tfrr;
}
content->checksum += sum; // sum of all checksums but unused
}
}
content->num_entries = j;
content->entries = g_realloc(content->entries, content->num_entries * sizeof(VarEntry*));
//fread_long(f, &next_offset);
//fseek(f, next_offset - 2, SEEK_SET);
//fread_word(f, &(content->checksum));
fclose(f);
return 0;
tfrr: // release on exit
tifiles_critical("%s: error reading / understanding file %s", __FUNCTION__, filename);
fclose(f);
tfrr2:
tifiles_content_delete_regular(content);
return ret;
}
/**
* tnsp_file_read_regular:
* @filename: name of file to open.
* @content: where to store the file content.
*
* Load the file into a FileContent structure.
*
* Structure content must be freed with #tifiles_content_delete_regular when
* no longer used. If error occurs, the structure content is released for you.
*
* Return value: an error code, 0 otherwise.
**/
int tnsp_file_read_regular(const char *filename, FileContent *content)
{
FILE *f;
int ret = ERR_FILE_IO;
if (content == NULL)
{
tifiles_critical("%s: an argument is NULL", __FUNCTION__);
return ERR_INVALID_FILE;
}
if (!tifiles_file_is_regular(filename))
{
ret = ERR_INVALID_FILE;
goto tfrr2;
}
f = g_fopen(filename, "rb");
if (f == NULL)
{
tifiles_info( "Unable to open this file: %s", filename);
ret = ERR_FILE_OPEN;
goto tfrr2;
}
content->model = CALC_NSPIRE;
content->model_dst = content->model;
content->entries = g_malloc0((content->num_entries + 1) * sizeof(VarEntry*));
{
long cur_pos;
VarEntry *entry = content->entries[0] = g_malloc0(sizeof(VarEntry));
gchar *basename = g_path_get_basename(filename);
gchar *ext = tifiles_fext_get(basename);
entry->type = tifiles_fext2vartype(content->model, ext);
if (ext && ext[0]) *(ext-1) = '\0';
entry->folder[0] = 0;
strncpy(entry->name, basename, sizeof(entry->name) - 1);
entry->name[sizeof(entry->name) - 1] = 0;
g_free(basename);
entry->attr = ATTRB_NONE;
if (fseek(f, 0, SEEK_END) < 0) goto tfrr;
cur_pos = ftell(f);
if (cur_pos < 0) goto tfrr;
if (fseek(f, 0, SEEK_SET) < 0) goto tfrr;
// The Nspire series' members have at best 128 MB of Flash (TODO: modify this code if this no longer holds).
// Regular files larger than that size are insane.
if (cur_pos >= (128L << 20))
{
ret = ERR_INVALID_FILE;
goto tfrr;
}
entry->size = (uint32_t)cur_pos;
entry->data = (uint8_t *)g_malloc0(entry->size);
if(fread(entry->data, 1, entry->size, f) < entry->size) goto tfrr;
}
content->num_entries++;
fclose(f);
return 0;
tfrr: // release on exit
tifiles_critical("%s: error reading / understanding file %s", __FUNCTION__, filename);
fclose(f);
tfrr2:
tifiles_content_delete_regular(content);
return ret;
}
// The main function
int main(int argc, char **argv)
{
char *msg = NULL;
char buffer[256];
int i;
int ret;
// init library
tifiles_library_init();
// test tifiles.c
printf("Library version : <%s>\n", tifiles_version_get());
printf("--\n");
// test error.c
tifiles_error_get(515, &msg);
printf("Error message: <%s>\n", msg);
#ifndef __WIN32__
free(msg);
#endif
printf("--\n");
// test type2str.c
printf("tifiles_string_to_model: <%i> <%i>\n", CALC_TI92,
tifiles_string_to_model(tifiles_model_to_string(CALC_TI92)));
printf("tifiles_string_to_attribute: <%i> <%i>\n", ATTRB_LOCKED,
tifiles_string_to_attribute(tifiles_attribute_to_string(ATTRB_LOCKED)));
printf("tifiles_string_to_class: <%i> <%i>\n", TIFILE_SINGLE,
tifiles_string_to_class(tifiles_class_to_string(TIFILE_SINGLE)));
printf("--\n");
// test filetypes.c
for(i = CALC_TI73; i <= CALC_V200; i++)
{
printf("%s (%i) ", tifiles_fext_of_group(i), i);
}
printf("\n");
for(i = CALC_TI73; i <= CALC_V200; i++)
{
printf("%s ", tifiles_fext_of_backup(i));
}
printf("\n");
for(i = CALC_TI73; i <= CALC_V200; i++)
{
printf("%s ", tifiles_fext_of_flash_os(i));
}
printf("\n");
for(i = CALC_TI73; i <= CALC_V200; i++)
{
printf("%s ", tifiles_fext_of_flash_app(i));
}
printf("\n");
printf("--\n");
printf("<%s> <%s>\n", "foo.bar", tifiles_fext_get("foo.bar"));
ret = tifiles_file_is_ti(PATH("misc/str.92s"));
printf("tifiles_file_is_ti: %i\n", ret);
ret = tifiles_file_is_single(PATH("misc/str.92s"));
printf("tifiles_file_is_single: %i\n", ret);
ret = tifiles_file_is_group(PATH("misc/group.92g"));
printf("tifiles_file_is_group: %i\n", ret);
ret = tifiles_file_is_regular(PATH("misc/str.92s"));
printf("tifiles_file_is_regular: %i\n", ret);
ret = tifiles_file_is_regular(PATH("misc/group.92g"));
printf("tifiles_file_is_regular: %i\n", ret);
ret = tifiles_file_is_backup(PATH("misc/backup.83b"));
printf("tifiles_file_is_backup: %i\n", ret);
ret = tifiles_file_is_flash(PATH("misc/ticabfra.89k"));
printf("tifiles_file_is_flash: %i\n", ret);
ret = tifiles_file_is_flash(PATH("misc/TI73_OS160.73U"));
printf("tifiles_file_is_flash: %i\n", ret);
ret = tifiles_file_is_tib(PATH("misc/ams100.tib"));
printf("tifiles_file_is_tib: %i\n", ret);
ret = tifiles_file_is_tigroup(PATH("misc/test.tig"));
printf("tifiles_file_is_tigroup: %i\n", ret);
printf("--\n");
// test typesxx.c
printf("tifiles_file_get_model: %s\n",
tifiles_model_to_string(tifiles_file_get_model(PATH("misc/str.92s"))));
printf("tifiles_file_get_class: %s\n",
tifiles_class_to_string(tifiles_file_get_class(PATH("misc/group.92g"))));
printf("tifiles_file_get_type: %s\n",
tifiles_file_get_type(PATH("misc/TI73_OS160.73U")));
printf("tifiles_file_get_icon: %s\n",
tifiles_file_get_icon(PATH("misc/str.92s")));
printf("--\n");
// test misc.c
printf("tifiles_calc_is_ti8x: %i\n", tifiles_calc_is_ti8x(CALC_TI83));
printf("tifiles_calc_is_ti9x: %i\n", tifiles_calc_is_ti9x(CALC_TI89));
printf("tifiles_has_folder: %i\n", tifiles_has_folder(CALC_TI92));
printf("tifiles_is_flash: %i\n", tifiles_is_flash(CALC_TI73));
printf("tifiles_get_varname: <%s>\n", tifiles_get_varname("fld\\var"));
printf("tifiles_get_fldname: <%s>\n", tifiles_get_fldname("fld\\var"));
tifiles_build_fullname(CALC_TI89, buffer, "fld", "var");
printf("tifiles_build_fullname: <%s>\n", buffer);
printf("--\n");
// test filesxx.c & grouped.c
do
{
// TI73 support
change_dir(PATH("ti73"));
ret = test_ti73_backup_support(); if (ret) break;
ret = test_ti73_regular_support(); if (ret) break;
ret = test_ti73_group_support(); if (ret) break;
ret = test_ti73_ungroup_support(); if (ret) break;
// TI82 support
change_dir(PATH("ti82"));
ret = test_ti82_backup_support(); if (ret) break;
ret = test_ti82_regular_support(); if (ret) break;
ret = test_ti82_group_support(); if (ret) break;
ret = test_ti82_ungroup_support(); if (ret) break;
// TI83 support
change_dir(PATH("ti83"));
ret = test_ti83_backup_support(); if (ret) break;
ret = test_ti83_regular_support(); if (ret) break;
ret = test_ti83_group_support(); if (ret) break;
ret = test_ti83_ungroup_support(); if (ret) break;
// TI84+ support
change_dir(PATH("ti84p"));
ret = test_ti84p_regular_support(); if (ret) break;
ret = test_ti84p_group_support(); if (ret) break;
ret = test_ti84p_ungroup_support(); if (ret) break;
ret = test_ti84p_flash_support(); if (ret) break;
// TI85 support
change_dir(PATH("ti85"));
ret = test_ti85_regular_support(); if (ret) break;
// TI86 support
change_dir(PATH("ti86"));
ret = test_ti86_backup_support(); if (ret) break;
ret = test_ti86_regular_support(); if (ret) break;
ret = test_ti86_group_support(); if (ret) break;
ret = test_ti86_ungroup_support(); if (ret) break;
// TI89 support
change_dir(PATH("ti89"));
ret = test_ti89_regular_support(); if (ret) break;
ret = test_ti89_flash_support(); if (ret) break;
ret = test_v200_regular_support(); if (ret) break;
// TI92 support
change_dir(PATH("ti92"));
ret = test_ti92_backup_support(); if (ret) break;
ret = test_ti92_regular_support(); if (ret) break;
ret = test_ti92_group_support(); if (ret) break;
ret = test_ti92_ungroup_support(); if (ret) break;
// TIXX certificates
change_dir(PATH("certs"));
ret = test_ti8x_cert_support(); if (ret) break;
ret = test_ti9x_cert_support(); if (ret) break;
// Add/Del files
change_dir(PATH("misc"));
ret = test_ti8x_group_merge(); if (ret) break;
change_dir(PATH("tig"));
ret = test_tigroup();
} while(0);
// end of test
tifiles_library_exit();
return ret;
}
/**
* ti9x_file_read_regular:
* @filename: name of single/group file to open.
* @content: where to store the file content.
*
* Load the single/group file into a Ti9xRegular structure.
*
* Structure content must be freed with #tifiles_content_delete_regular when
* no longer used. If error occurs, the structure content is released for you.
*
* Return value: an error code, 0 otherwise.
**/
int ti9x_file_read_regular(const char *filename, Ti9xRegular *content)
{
FILE *f;
long cur_pos = 0;
char default_folder[FLDNAME_MAX];
char current_folder[FLDNAME_MAX];
uint32_t curr_offset = 0;
uint32_t next_offset = 0;
uint16_t tmp;
int i, j;
char signature[9];
char varname[VARNAME_MAX];
if (!tifiles_file_is_regular(filename))
{
return ERR_INVALID_FILE;
}
if (content == NULL)
{
tifiles_critical("%s: an argument is NULL", __FUNCTION__);
return ERR_INVALID_FILE;
}
f = g_fopen(filename, "rb");
if (f == NULL)
{
tifiles_info( "Unable to open this file: %s", filename);
return ERR_FILE_OPEN;
}
if(fread_8_chars(f, signature) < 0) goto tffr;
content->model = tifiles_signature2calctype(signature);
if (content->model == CALC_NONE)
{
return ERR_INVALID_FILE;
}
if(content->model_dst == CALC_NONE)
{
content->model_dst = content->model;
}
if(fread_word(f, NULL) < 0) goto tffr;
if(fread_8_chars(f, default_folder) < 0) goto tffr;
ticonv_varname_from_tifile_s(content->model_dst, default_folder, content->default_folder, -1);
strcpy(current_folder, content->default_folder);
if(fread_n_chars(f, 40, content->comment) < 0) goto tffr;
if(fread_word(f, &tmp) < 0) goto tffr;
content->num_entries = tmp;
content->entries = g_malloc0((content->num_entries + 1) * sizeof(VarEntry*));
if (content->entries == NULL)
{
fclose(f);
return ERR_MALLOC;
}
for (i = 0, j = 0; i < content->num_entries; i++)
{
VarEntry *entry = content->entries[j] = g_malloc0(sizeof(VarEntry));
if(fread_long(f, &curr_offset) < 0) goto tffr;
if(fread_8_chars(f, varname) < 0) goto tffr;
ticonv_varname_from_tifile_s(content->model_dst, varname, entry->name, entry->type);
if(fread_byte(f, &(entry->type)) < 0) goto tffr;
if(fread_byte(f, &(entry->attr)) < 0) goto tffr;
entry->attr = (entry->attr == 2 || entry->attr == 3) ? ATTRB_ARCHIVED : entry->attr;
if(fread_word(f, NULL) < 0) goto tffr;
if (entry->type == TI92_DIR) // same as TI89_DIR, TI89t_DIR, ...
{
strcpy(current_folder, entry->name);
g_free(entry);
continue; // folder: skip entry
}
else
{
uint16_t checksum, sum = 0;
j++;
strcpy(entry->folder, current_folder);
cur_pos = ftell(f);
if(cur_pos == -1L) goto tffr;
if(fread_long(f, &next_offset) < 0) goto tffr;
entry->size = next_offset - curr_offset - 4 - 2;
entry->data = (uint8_t *)g_malloc0(entry->size);
if (entry->data == NULL)
{
fclose(f);
tifiles_content_delete_regular(content);
return ERR_MALLOC;
}
if(fseek(f, curr_offset, SEEK_SET)) goto tffr;
if(fread_long(f, NULL) < 0) goto tffr; // 4 bytes (NULL)
if(fread(entry->data, 1, entry->size, f) < entry->size) goto tffr;
if(fread_word(f, &checksum) < 0) goto tffr;
if(fseek(f, cur_pos, SEEK_SET)) goto tffr;
sum = tifiles_checksum(entry->data, entry->size);
if(sum != checksum)
{
fclose(f);
tifiles_content_delete_regular(content);
return ERR_FILE_CHECKSUM;
}
content->checksum += sum; // sum of all checksums but unused
}
}
content->num_entries = j;
content->entries = g_realloc(content->entries, content->num_entries * sizeof(VarEntry*));
//fread_long(f, &next_offset);
//fseek(f, next_offset - 2, SEEK_SET);
//fread_word(f, &(content->checksum));
fclose(f);
return 0;
tffr: // release on exit
tifiles_critical("%s: error reading / understanding file %s", __FUNCTION__, filename);
fclose(f);
tifiles_content_delete_regular(content);
return ERR_FILE_IO;
}
