Use 64-bit file sizes in fastboot.
Bug: 20110580
Change-Id: I5d3718103ff581ff3b5241c8b0e52b585b4f37e5
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index 4dbf32f..e2971f2 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -34,7 +34,6 @@
#include <getopt.h>
#include <inttypes.h>
#include <limits.h>
-#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@@ -67,12 +66,12 @@
static int64_t sparse_limit = -1;
static int64_t target_sparse_limit = -1;
-unsigned page_size = 2048;
-unsigned base_addr = 0x10000000;
-unsigned kernel_offset = 0x00008000;
-unsigned ramdisk_offset = 0x01000000;
-unsigned second_offset = 0x00f00000;
-unsigned tags_offset = 0x00000100;
+static unsigned page_size = 2048;
+static unsigned base_addr = 0x10000000;
+static unsigned kernel_offset = 0x00008000;
+static unsigned ramdisk_offset = 0x01000000;
+static unsigned second_offset = 0x00f00000;
+static unsigned tags_offset = 0x00000100;
enum fb_buffer_type {
FB_BUFFER,
@@ -81,8 +80,8 @@
struct fastboot_buffer {
enum fb_buffer_type type;
- void *data;
- unsigned int sz;
+ void* data;
+ int64_t sz;
};
static struct {
@@ -97,8 +96,7 @@
{"vendor.img", "vendor.sig", "vendor", true},
};
-char *find_item(const char *item, const char *product)
-{
+static char* find_item(const char* item, const char* product) {
char *dir;
const char *fn;
char path[PATH_MAX + 128];
@@ -139,36 +137,26 @@
return strdup(path);
}
-static int64_t file_size(int fd)
-{
- struct stat st;
- int ret;
-
- ret = fstat(fd, &st);
-
- return ret ? -1 : st.st_size;
+static int64_t get_file_size(int fd) {
+ struct stat sb;
+ return fstat(fd, &sb) == -1 ? -1 : sb.st_size;
}
-static void *load_fd(int fd, unsigned *_sz)
-{
- char *data;
- int sz;
+static void* load_fd(int fd, int64_t* sz) {
int errno_tmp;
+ char* data = nullptr;
- data = 0;
-
- sz = file_size(fd);
- if (sz < 0) {
+ *sz = get_file_size(fd);
+ if (*sz < 0) {
goto oops;
}
- data = (char*) malloc(sz);
- if(data == 0) goto oops;
+ data = (char*) malloc(*sz);
+ if (data == nullptr) goto oops;
- if(read(fd, data, sz) != sz) goto oops;
+ if(read(fd, data, *sz) != *sz) goto oops;
close(fd);
- if(_sz) *_sz = sz;
return data;
oops:
@@ -179,17 +167,13 @@
return 0;
}
-static void *load_file(const char *fn, unsigned *_sz)
-{
- int fd;
-
- fd = open(fn, O_RDONLY | O_BINARY);
- if(fd < 0) return 0;
-
- return load_fd(fd, _sz);
+static void* load_file(const char* fn, int64_t* sz) {
+ int fd = open(fn, O_RDONLY | O_BINARY);
+ if (fd == -1) return nullptr;
+ return load_fd(fd, sz);
}
-int match_fastboot_with_serial(usb_ifc_info* info, const char* local_serial) {
+static int match_fastboot_with_serial(usb_ifc_info* info, const char* local_serial) {
// Require a matching vendor id if the user specified one with -i.
if (vendor_id != 0 && info->dev_vendor != vendor_id) {
return -1;
@@ -206,14 +190,12 @@
return 0;
}
-int match_fastboot(usb_ifc_info *info)
-{
+static int match_fastboot(usb_ifc_info* info) {
return match_fastboot_with_serial(info, serial);
}
-int list_devices_callback(usb_ifc_info *info)
-{
- if (match_fastboot_with_serial(info, NULL) == 0) {
+static int list_devices_callback(usb_ifc_info* info) {
+ if (match_fastboot_with_serial(info, nullptr) == 0) {
const char* serial = info->serial_number;
if (!info->writable) {
serial = "no permissions"; // like "adb devices"
@@ -234,8 +216,7 @@
return -1;
}
-usb_handle *open_device(void)
-{
+static usb_handle* open_device() {
static usb_handle *usb = 0;
int announce = 1;
@@ -252,15 +233,14 @@
}
}
-void list_devices(void) {
+static void list_devices() {
// We don't actually open a USB device here,
// just getting our callback called so we can
// list all the connected devices.
usb_open(list_devices_callback);
}
-void usage(void)
-{
+static void usage() {
fprintf(stderr,
/* 1234567890123456789012345678901234567890123456789012345678901234567890123456 */
"usage: fastboot [ <option> ] <command>\n"
@@ -315,31 +295,26 @@
);
}
-void *load_bootable_image(const char *kernel, const char *ramdisk,
- const char *secondstage, unsigned *sz,
- const char *cmdline)
-{
- void *kdata = 0, *rdata = 0, *sdata = 0;
- unsigned ksize = 0, rsize = 0, ssize = 0;
- void *bdata;
- unsigned bsize;
-
- if(kernel == 0) {
+static void* load_bootable_image(const char* kernel, const char* ramdisk,
+ const char* secondstage, int64_t* sz,
+ const char* cmdline) {
+ if (kernel == nullptr) {
fprintf(stderr, "no image specified\n");
return 0;
}
- kdata = load_file(kernel, &ksize);
- if(kdata == 0) {
+ int64_t ksize;
+ void* kdata = load_file(kernel, &ksize);
+ if (kdata == nullptr) {
fprintf(stderr, "cannot load '%s': %s\n", kernel, strerror(errno));
return 0;
}
- /* is this actually a boot image? */
+ // Is this actually a boot image?
if(!memcmp(kdata, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- if(cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
+ if (cmdline) bootimg_set_cmdline((boot_img_hdr*) kdata, cmdline);
- if(ramdisk) {
+ if (ramdisk) {
fprintf(stderr, "cannot boot a boot.img *and* ramdisk\n");
return 0;
}
@@ -348,39 +323,44 @@
return kdata;
}
- if(ramdisk) {
+ void* rdata = nullptr;
+ int64_t rsize = 0;
+ if (ramdisk) {
rdata = load_file(ramdisk, &rsize);
- if(rdata == 0) {
+ if (rdata == nullptr) {
fprintf(stderr,"cannot load '%s': %s\n", ramdisk, strerror(errno));
return 0;
}
}
+ void* sdata = nullptr;
+ int64_t ssize = 0;
if (secondstage) {
sdata = load_file(secondstage, &ssize);
- if(sdata == 0) {
+ if (sdata == nullptr) {
fprintf(stderr,"cannot load '%s': %s\n", secondstage, strerror(errno));
return 0;
}
}
fprintf(stderr,"creating boot image...\n");
- bdata = mkbootimg(kdata, ksize, kernel_offset,
+ int64_t bsize = 0;
+ void* bdata = mkbootimg(kdata, ksize, kernel_offset,
rdata, rsize, ramdisk_offset,
sdata, ssize, second_offset,
page_size, base_addr, tags_offset, &bsize);
- if(bdata == 0) {
+ if (bdata == nullptr) {
fprintf(stderr,"failed to create boot.img\n");
return 0;
}
- if(cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
- fprintf(stderr,"creating boot image - %d bytes\n", bsize);
+ if (cmdline) bootimg_set_cmdline((boot_img_hdr*) bdata, cmdline);
+ fprintf(stderr, "creating boot image - %" PRId64 " bytes\n", bsize);
*sz = bsize;
return bdata;
}
-static void* unzip_file(ZipArchiveHandle zip, const char* entry_name, unsigned* sz)
+static void* unzip_file(ZipArchiveHandle zip, const char* entry_name, int64_t* sz)
{
ZipString zip_entry_name(entry_name);
ZipEntry zip_entry;
@@ -392,8 +372,8 @@
*sz = zip_entry.uncompressed_length;
uint8_t* data = reinterpret_cast<uint8_t*>(malloc(zip_entry.uncompressed_length));
- if (data == NULL) {
- fprintf(stderr, "failed to allocate %u bytes for '%s'\n", *sz, entry_name);
+ if (data == nullptr) {
+ fprintf(stderr, "failed to allocate %" PRId64 " bytes for '%s'\n", *sz, entry_name);
return 0;
}
@@ -438,7 +418,7 @@
static int unzip_to_file(ZipArchiveHandle zip, char* entry_name) {
FILE* fp = tmpfile();
- if (fp == NULL) {
+ if (fp == nullptr) {
fprintf(stderr, "failed to create temporary file for '%s': %s\n",
entry_name, strerror(errno));
return -1;
@@ -478,7 +458,7 @@
static int setup_requirement_line(char *name)
{
char *val[MAX_OPTIONS];
- char *prod = NULL;
+ char *prod = nullptr;
unsigned n, count;
char *x;
int invert = 0;
@@ -539,13 +519,10 @@
return 0;
}
-static void setup_requirements(char *data, unsigned sz)
-{
- char *s;
-
- s = data;
+static void setup_requirements(char* data, int64_t sz) {
+ char* s = data;
while (sz-- > 0) {
- if(*s == '\n') {
+ if (*s == '\n') {
*s++ = 0;
if (setup_requirement_line(data)) {
die("out of memory");
@@ -557,8 +534,7 @@
}
}
-void queue_info_dump(void)
-{
+static void queue_info_dump() {
fb_queue_notice("--------------------------------------------");
fb_queue_display("version-bootloader", "Bootloader Version...");
fb_queue_display("version-baseband", "Baseband Version.....");
@@ -573,7 +549,7 @@
die("cannot sparse read file\n");
}
- int files = sparse_file_resparse(s, max_size, NULL, 0);
+ int files = sparse_file_resparse(s, max_size, nullptr, 0);
if (files < 0) {
die("Failed to resparse\n");
}
@@ -598,7 +574,7 @@
int status = fb_getvar(usb, response, "max-download-size");
if (!status) {
- limit = strtoul(response, NULL, 0);
+ limit = strtoul(response, nullptr, 0);
if (limit > 0) {
fprintf(stderr, "target reported max download size of %" PRId64 " bytes\n",
limit);
@@ -643,35 +619,27 @@
/* The function fb_format_supported() currently returns the value
* we want, so just call it.
*/
- return fb_format_supported(usb, part, NULL);
+ return fb_format_supported(usb, part, nullptr);
}
-static int load_buf_fd(usb_handle *usb, int fd,
- struct fastboot_buffer *buf)
-{
- int64_t sz64;
- void *data;
- int64_t limit;
-
-
- sz64 = file_size(fd);
- if (sz64 < 0) {
+static int load_buf_fd(usb_handle* usb, int fd, struct fastboot_buffer* buf) {
+ int64_t sz = get_file_size(fd);
+ if (sz == -1) {
return -1;
}
- lseek(fd, 0, SEEK_SET);
- limit = get_sparse_limit(usb, sz64);
+ lseek64(fd, 0, SEEK_SET);
+ int64_t limit = get_sparse_limit(usb, sz);
if (limit) {
- struct sparse_file **s = load_sparse_files(fd, limit);
- if (s == NULL) {
+ sparse_file** s = load_sparse_files(fd, limit);
+ if (s == nullptr) {
return -1;
}
buf->type = FB_BUFFER_SPARSE;
buf->data = s;
} else {
- unsigned int sz;
- data = load_fd(fd, &sz);
- if (data == 0) return -1;
+ void* data = load_fd(fd, &sz);
+ if (data == nullptr) return -1;
buf->type = FB_BUFFER;
buf->data = data;
buf->sz = sz;
@@ -701,8 +669,8 @@
case FB_BUFFER_SPARSE:
s = reinterpret_cast<sparse_file**>(buf->data);
while (*s) {
- int64_t sz64 = sparse_file_len(*s, true, false);
- fb_queue_flash_sparse(pname, *s++, sz64);
+ int64_t sz = sparse_file_len(*s, true, false);
+ fb_queue_flash_sparse(pname, *s++, sz);
}
break;
case FB_BUFFER:
@@ -713,8 +681,7 @@
}
}
-void do_flash(usb_handle *usb, const char *pname, const char *fname)
-{
+static void do_flash(usb_handle* usb, const char* pname, const char* fname) {
struct fastboot_buffer buf;
if (load_buf(usb, fname, &buf)) {
@@ -723,17 +690,15 @@
flash_buf(pname, &buf);
}
-void do_update_signature(ZipArchiveHandle zip, char *fn)
-{
- unsigned sz;
+static void do_update_signature(ZipArchiveHandle zip, char* fn) {
+ int64_t sz;
void* data = unzip_file(zip, fn, &sz);
- if (data == 0) return;
+ if (data == nullptr) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
-void do_update(usb_handle *usb, const char *filename, int erase_first)
-{
+static void do_update(usb_handle* usb, const char* filename, bool erase_first) {
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
@@ -745,9 +710,9 @@
die("failed to open zip file '%s': %s", filename, ErrorCodeString(error));
}
- unsigned sz;
+ int64_t sz;
void* data = unzip_file(zip, "android-info.txt", &sz);
- if (data == 0) {
+ if (data == nullptr) {
CloseArchive(zip);
die("update package '%s' has no android-info.txt", filename);
}
@@ -780,36 +745,33 @@
CloseArchive(zip);
}
-void do_send_signature(char *fn)
-{
- void *data;
- unsigned sz;
- char *xtn;
-
- xtn = strrchr(fn, '.');
+static void do_send_signature(char* fn) {
+ char* xtn = strrchr(fn, '.');
if (!xtn) return;
+
if (strcmp(xtn, ".img")) return;
- strcpy(xtn,".sig");
- data = load_file(fn, &sz);
- strcpy(xtn,".img");
- if (data == 0) return;
+ strcpy(xtn, ".sig");
+
+ int64_t sz;
+ void* data = load_file(fn, &sz);
+ strcpy(xtn, ".img");
+ if (data == nullptr) return;
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
}
-void do_flashall(usb_handle *usb, int erase_first)
-{
+static void do_flashall(usb_handle* usb, int erase_first) {
queue_info_dump();
fb_queue_query_save("product", cur_product, sizeof(cur_product));
char* fname = find_item("info", product);
- if (fname == 0) die("cannot find android-info.txt");
+ if (fname == nullptr) die("cannot find android-info.txt");
- unsigned sz;
+ int64_t sz;
void* data = load_file(fname, &sz);
- if (data == 0) die("could not load android-info.txt: %s", strerror(errno));
+ if (data == nullptr) die("could not load android-info.txt: %s", strerror(errno));
setup_requirements(reinterpret_cast<char*>(data), sz);
@@ -832,8 +794,7 @@
#define skip(n) do { argc -= (n); argv += (n); } while (0)
#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
-int do_oem_command(int argc, char **argv)
-{
+static int do_oem_command(int argc, char** argv) {
char command[256];
if (argc <= 1) return 0;
@@ -890,16 +851,15 @@
return num;
}
-void fb_perform_format(usb_handle* usb,
- const char *partition, int skip_if_not_supported,
- const char *type_override, const char *size_override)
-{
+static void fb_perform_format(usb_handle* usb,
+ const char *partition, int skip_if_not_supported,
+ const char *type_override, const char *size_override) {
char pTypeBuff[FB_RESPONSE_SZ + 1], pSizeBuff[FB_RESPONSE_SZ + 1];
char *pType = pTypeBuff;
char *pSize = pSizeBuff;
unsigned int limit = INT_MAX;
struct fastboot_buffer buf;
- const char *errMsg = NULL;
+ const char *errMsg = nullptr;
const struct fs_generator *gen;
uint64_t pSz;
int status;
@@ -949,7 +909,7 @@
return;
}
- pSz = strtoll(pSize, (char **)NULL, 16);
+ pSz = strtoll(pSize, (char **)nullptr, 16);
fd = fileno(tmpfile());
if (fs_generator_generate(gen, fd, pSz)) {
@@ -982,9 +942,9 @@
int wants_wipe = 0;
int wants_reboot = 0;
int wants_reboot_bootloader = 0;
- int erase_first = 1;
+ bool erase_first = true;
void *data;
- unsigned sz;
+ int64_t sz;
int status;
int c;
int longindex;
@@ -1020,7 +980,7 @@
usage();
return 1;
case 'i': {
- char *endptr = NULL;
+ char *endptr = nullptr;
unsigned long val;
val = strtoul(optarg, &endptr, 0);
@@ -1036,7 +996,7 @@
long_listing = 1;
break;
case 'n':
- page_size = (unsigned)strtoul(optarg, NULL, 0);
+ page_size = (unsigned)strtoul(optarg, nullptr, 0);
if (!page_size) die("invalid page size");
break;
case 'p':
@@ -1058,7 +1018,7 @@
}
break;
case 'u':
- erase_first = 0;
+ erase_first = false;
break;
case 'w':
wants_wipe = 1;
@@ -1067,8 +1027,8 @@
return 1;
case 0:
if (strcmp("unbuffered", longopts[longindex].name) == 0) {
- setvbuf(stdout, NULL, _IONBF, 0);
- setvbuf(stderr, NULL, _IONBF, 0);
+ setvbuf(stdout, nullptr, _IONBF, 0);
+ setvbuf(stderr, nullptr, _IONBF, 0);
} else if (strcmp("version", longopts[longindex].name) == 0) {
fprintf(stdout, "fastboot version %s\n", FASTBOOT_REVISION);
return 0;
@@ -1108,7 +1068,7 @@
} else if(!strcmp(*argv, "erase")) {
require(2);
- if (fb_format_supported(usb, argv[1], NULL)) {
+ if (fb_format_supported(usb, argv[1], nullptr)) {
fprintf(stderr, "******** Did you mean to fastboot format this partition?\n");
}
@@ -1116,8 +1076,8 @@
skip(2);
} else if(!strncmp(*argv, "format", strlen("format"))) {
char *overrides;
- char *type_override = NULL;
- char *size_override = NULL;
+ char *type_override = nullptr;
+ char *size_override = nullptr;
require(2);
/*
* Parsing for: "format[:[type][:[size]]]"
@@ -1138,8 +1098,8 @@
}
type_override = overrides;
}
- if (type_override && !type_override[0]) type_override = NULL;
- if (size_override && !size_override[0]) size_override = NULL;
+ if (type_override && !type_override[0]) type_override = nullptr;
+ if (size_override && !size_override[0]) size_override = nullptr;
if (erase_first && needs_erase(usb, argv[1])) {
fb_queue_erase(argv[1]);
}
@@ -1148,7 +1108,7 @@
} else if(!strcmp(*argv, "signature")) {
require(2);
data = load_file(argv[1], &sz);
- if (data == 0) die("could not load '%s': %s", argv[1], strerror(errno));
+ if (data == nullptr) die("could not load '%s': %s", argv[1], strerror(errno));
if (sz != 256) die("signature must be 256 bytes");
fb_queue_download("signature", data, sz);
fb_queue_command("signature", "installing signature");
@@ -1258,9 +1218,9 @@
if (wants_wipe) {
fb_queue_erase("userdata");
- fb_perform_format(usb, "userdata", 1, NULL, NULL);
+ fb_perform_format(usb, "userdata", 1, nullptr, nullptr);
fb_queue_erase("cache");
- fb_perform_format(usb, "cache", 1, NULL, NULL);
+ fb_perform_format(usb, "cache", 1, nullptr, nullptr);
}
if (wants_reboot) {
fb_queue_reboot();