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-rw-r--r--updater/blockimg.cpp267
1 files changed, 117 insertions, 150 deletions
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index a80180a9a..f08ca5b0c 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -33,24 +33,24 @@
#include <unistd.h>
#include <fec/io.h>
-#include <map>
#include <memory>
#include <string>
+#include <unordered_map>
#include <vector>
#include <android-base/parseint.h>
#include <android-base/strings.h>
+#include <android-base/unique_fd.h>
+#include <ziparchive/zip_archive.h>
#include "applypatch/applypatch.h"
#include "edify/expr.h"
#include "error_code.h"
-#include "install.h"
+#include "updater/install.h"
#include "openssl/sha.h"
-#include "minzip/Hash.h"
#include "ota_io.h"
#include "print_sha1.h"
-#include "unique_fd.h"
-#include "updater.h"
+#include "updater/updater.h"
#define BLOCKSIZE 4096
@@ -71,7 +71,7 @@ struct RangeSet {
static CauseCode failure_type = kNoCause;
static bool is_retry = false;
-static std::map<std::string, RangeSet> stash_map;
+static std::unordered_map<std::string, RangeSet> stash_map;
static void parse_range(const std::string& range_text, RangeSet& rs) {
@@ -151,6 +151,10 @@ static int read_all(int fd, uint8_t* data, size_t size) {
failure_type = kFreadFailure;
fprintf(stderr, "read failed: %s\n", strerror(errno));
return -1;
+ } else if (r == 0) {
+ failure_type = kFreadFailure;
+ fprintf(stderr, "read reached unexpected EOF.\n");
+ return -1;
}
so_far += r;
}
@@ -213,7 +217,7 @@ static void allocate(size_t size, std::vector<uint8_t>& buffer) {
}
struct RangeSinkState {
- RangeSinkState(RangeSet& rs) : tgt(rs) { };
+ explicit RangeSinkState(RangeSet& rs) : tgt(rs) { };
int fd;
const RangeSet& tgt;
@@ -296,8 +300,8 @@ static ssize_t RangeSinkWrite(const uint8_t* data, ssize_t size, void* token) {
// rss and signals the condition again.
struct NewThreadInfo {
- ZipArchive* za;
- const ZipEntry* entry;
+ ZipArchiveHandle za;
+ ZipEntry entry;
RangeSinkState* rss;
@@ -305,7 +309,7 @@ struct NewThreadInfo {
pthread_cond_t cv;
};
-static bool receive_new_data(const unsigned char* data, int size, void* cookie) {
+static bool receive_new_data(const uint8_t* data, size_t size, void* cookie) {
NewThreadInfo* nti = reinterpret_cast<NewThreadInfo*>(cookie);
while (size > 0) {
@@ -338,7 +342,7 @@ static bool receive_new_data(const unsigned char* data, int size, void* cookie)
static void* unzip_new_data(void* cookie) {
NewThreadInfo* nti = (NewThreadInfo*) cookie;
- mzProcessZipEntryContents(nti->za, nti->entry, receive_new_data, nti);
+ ProcessZipEntryContents(nti->za, &nti->entry, receive_new_data, nti);
return nullptr;
}
@@ -398,7 +402,7 @@ struct CommandParameters {
std::string stashbase;
bool canwrite;
int createdstash;
- int fd;
+ android::base::unique_fd fd;
bool foundwrites;
bool isunresumable;
int version;
@@ -608,9 +612,7 @@ static int LoadStash(CommandParameters& params, const std::string& base, const s
return -1;
}
- int fd = TEMP_FAILURE_RETRY(open(fn.c_str(), O_RDONLY));
- unique_fd fd_holder(fd);
-
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(ota_open(fn.c_str(), O_RDONLY)));
if (fd == -1) {
fprintf(stderr, "open \"%s\" failed: %s\n", fn.c_str(), strerror(errno));
return -1;
@@ -665,9 +667,9 @@ static int WriteStash(const std::string& base, const std::string& id, int blocks
fprintf(stderr, " writing %d blocks to %s\n", blocks, cn.c_str());
- int fd = TEMP_FAILURE_RETRY(open(fn.c_str(), O_WRONLY | O_CREAT | O_TRUNC, STASH_FILE_MODE));
- unique_fd fd_holder(fd);
-
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(ota_open(fn.c_str(),
+ O_WRONLY | O_CREAT | O_TRUNC,
+ STASH_FILE_MODE)));
if (fd == -1) {
fprintf(stderr, "failed to create \"%s\": %s\n", fn.c_str(), strerror(errno));
return -1;
@@ -690,9 +692,8 @@ static int WriteStash(const std::string& base, const std::string& id, int blocks
}
std::string dname = GetStashFileName(base, "", "");
- int dfd = TEMP_FAILURE_RETRY(open(dname.c_str(), O_RDONLY | O_DIRECTORY));
- unique_fd dfd_holder(dfd);
-
+ android::base::unique_fd dfd(TEMP_FAILURE_RETRY(ota_open(dname.c_str(),
+ O_RDONLY | O_DIRECTORY)));
if (dfd == -1) {
failure_type = kFileOpenFailure;
fprintf(stderr, "failed to open \"%s\" failed: %s\n", dname.c_str(), strerror(errno));
@@ -980,8 +981,8 @@ static int LoadSrcTgtVersion3(CommandParameters& params, RangeSet& tgt, size_t&
tgthash = params.tokens[params.cpos++];
}
- if (LoadSrcTgtVersion2(params, tgt, src_blocks, params.buffer, params.fd, params.stashbase,
- &overlap) == -1) {
+ if (LoadSrcTgtVersion2(params, tgt, src_blocks, params.buffer, params.fd,
+ params.stashbase, &overlap) == -1) {
return -1;
}
@@ -1215,7 +1216,7 @@ static int PerformCommandDiff(CommandParameters& params) {
size_t len;
if (!android::base::ParseUint(params.tokens[params.cpos++].c_str(), &len)) {
- fprintf(stderr, "invalid patch offset\n");
+ fprintf(stderr, "invalid patch len\n");
return -1;
}
@@ -1247,10 +1248,8 @@ static int PerformCommandDiff(CommandParameters& params) {
if (status == 0) {
fprintf(stderr, "patching %zu blocks to %zu\n", blocks, tgt.size);
- Value patch_value;
- patch_value.type = VAL_BLOB;
- patch_value.size = len;
- patch_value.data = (char*) (params.patch_start + offset);
+ Value patch_value(VAL_BLOB,
+ std::string(reinterpret_cast<const char*>(params.patch_start + offset), len));
RangeSinkState rss(tgt);
rss.fd = params.fd;
@@ -1352,28 +1351,6 @@ struct Command {
CommandFunction f;
};
-// CompareCommands and CompareCommandNames are for the hash table
-
-static int CompareCommands(const void* c1, const void* c2) {
- return strcmp(((const Command*) c1)->name, ((const Command*) c2)->name);
-}
-
-static int CompareCommandNames(const void* c1, const void* c2) {
- return strcmp(((const Command*) c1)->name, (const char*) c2);
-}
-
-// HashString is used to hash command names for the hash table
-
-static unsigned int HashString(const char *s) {
- unsigned int hash = 0;
- if (s) {
- while (*s) {
- hash = hash * 33 + *s++;
- }
- }
- return hash;
-}
-
// args:
// - block device (or file) to modify in-place
// - transfer list (blob)
@@ -1382,8 +1359,7 @@ static unsigned int HashString(const char *s) {
static Value* PerformBlockImageUpdate(const char* name, State* state, int /* argc */, Expr* argv[],
const Command* commands, size_t cmdcount, bool dryrun) {
- CommandParameters params;
- memset(&params, 0, sizeof(params));
+ CommandParameters params = {};
params.canwrite = !dryrun;
fprintf(stderr, "performing %s\n", dryrun ? "verification" : "update");
@@ -1398,66 +1374,64 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
Value* patch_data_fn = nullptr;
if (ReadValueArgs(state, argv, 4, &blockdev_filename, &transfer_list_value,
&new_data_fn, &patch_data_fn) < 0) {
- return StringValue(strdup(""));
+ return StringValue("");
}
- std::unique_ptr<Value, decltype(&FreeValue)> blockdev_filename_holder(blockdev_filename,
- FreeValue);
- std::unique_ptr<Value, decltype(&FreeValue)> transfer_list_value_holder(transfer_list_value,
- FreeValue);
- std::unique_ptr<Value, decltype(&FreeValue)> new_data_fn_holder(new_data_fn, FreeValue);
- std::unique_ptr<Value, decltype(&FreeValue)> patch_data_fn_holder(patch_data_fn, FreeValue);
+ std::unique_ptr<Value> blockdev_filename_holder(blockdev_filename);
+ std::unique_ptr<Value> transfer_list_value_holder(transfer_list_value);
+ std::unique_ptr<Value> new_data_fn_holder(new_data_fn);
+ std::unique_ptr<Value> patch_data_fn_holder(patch_data_fn);
if (blockdev_filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "blockdev_filename argument to %s must be string",
name);
- return StringValue(strdup(""));
+ return StringValue("");
}
if (transfer_list_value->type != VAL_BLOB) {
ErrorAbort(state, kArgsParsingFailure, "transfer_list argument to %s must be blob", name);
- return StringValue(strdup(""));
+ return StringValue("");
}
if (new_data_fn->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "new_data_fn argument to %s must be string", name);
- return StringValue(strdup(""));
+ return StringValue("");
}
if (patch_data_fn->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "patch_data_fn argument to %s must be string",
name);
- return StringValue(strdup(""));
+ return StringValue("");
}
UpdaterInfo* ui = reinterpret_cast<UpdaterInfo*>(state->cookie);
if (ui == nullptr) {
- return StringValue(strdup(""));
+ return StringValue("");
}
FILE* cmd_pipe = ui->cmd_pipe;
- ZipArchive* za = ui->package_zip;
+ ZipArchiveHandle za = ui->package_zip;
if (cmd_pipe == nullptr || za == nullptr) {
- return StringValue(strdup(""));
+ return StringValue("");
}
- const ZipEntry* patch_entry = mzFindZipEntry(za, patch_data_fn->data);
- if (patch_entry == nullptr) {
- fprintf(stderr, "%s(): no file \"%s\" in package", name, patch_data_fn->data);
- return StringValue(strdup(""));
+ ZipString path_data(patch_data_fn->data.c_str());
+ ZipEntry patch_entry;
+ if (FindEntry(za, path_data, &patch_entry) != 0) {
+ fprintf(stderr, "%s(): no file \"%s\" in package", name, patch_data_fn->data.c_str());
+ return StringValue("");
}
- params.patch_start = ui->package_zip_addr + mzGetZipEntryOffset(patch_entry);
- const ZipEntry* new_entry = mzFindZipEntry(za, new_data_fn->data);
- if (new_entry == nullptr) {
- fprintf(stderr, "%s(): no file \"%s\" in package", name, new_data_fn->data);
- return StringValue(strdup(""));
+ params.patch_start = ui->package_zip_addr + patch_entry.offset;
+ ZipString new_data(new_data_fn->data.c_str());
+ ZipEntry new_entry;
+ if (FindEntry(za, new_data, &new_entry) != 0) {
+ fprintf(stderr, "%s(): no file \"%s\" in package", name, new_data_fn->data.c_str());
+ return StringValue("");
}
- params.fd = TEMP_FAILURE_RETRY(open(blockdev_filename->data, O_RDWR));
- unique_fd fd_holder(params.fd);
-
+ params.fd.reset(TEMP_FAILURE_RETRY(ota_open(blockdev_filename->data.c_str(), O_RDWR)));
if (params.fd == -1) {
- fprintf(stderr, "open \"%s\" failed: %s\n", blockdev_filename->data, strerror(errno));
- return StringValue(strdup(""));
+ fprintf(stderr, "open \"%s\" failed: %s\n", blockdev_filename->data.c_str(), strerror(errno));
+ return StringValue("");
}
if (params.canwrite) {
@@ -1473,24 +1447,21 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
int error = pthread_create(&params.thread, &attr, unzip_new_data, &params.nti);
if (error != 0) {
fprintf(stderr, "pthread_create failed: %s\n", strerror(error));
- return StringValue(strdup(""));
+ return StringValue("");
}
}
- // Copy all the lines in transfer_list_value into std::string for
- // processing.
- const std::string transfer_list(transfer_list_value->data, transfer_list_value->size);
- std::vector<std::string> lines = android::base::Split(transfer_list, "\n");
+ std::vector<std::string> lines = android::base::Split(transfer_list_value->data, "\n");
if (lines.size() < 2) {
ErrorAbort(state, kArgsParsingFailure, "too few lines in the transfer list [%zd]\n",
lines.size());
- return StringValue(strdup(""));
+ return StringValue("");
}
// First line in transfer list is the version number
if (!android::base::ParseInt(lines[0].c_str(), &params.version, 1, 4)) {
fprintf(stderr, "unexpected transfer list version [%s]\n", lines[0].c_str());
- return StringValue(strdup(""));
+ return StringValue("");
}
fprintf(stderr, "blockimg version is %d\n", params.version);
@@ -1499,11 +1470,11 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
int total_blocks;
if (!android::base::ParseInt(lines[1].c_str(), &total_blocks, 0)) {
ErrorAbort(state, kArgsParsingFailure, "unexpected block count [%s]\n", lines[1].c_str());
- return StringValue(strdup(""));
+ return StringValue("");
}
if (total_blocks == 0) {
- return StringValue(strdup("t"));
+ return StringValue("t");
}
size_t start = 2;
@@ -1511,7 +1482,7 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
if (lines.size() < 4) {
ErrorAbort(state, kArgsParsingFailure, "too few lines in the transfer list [%zu]\n",
lines.size());
- return StringValue(strdup(""));
+ return StringValue("");
}
// Third line is how many stash entries are needed simultaneously
@@ -1522,12 +1493,12 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
if (!android::base::ParseInt(lines[3].c_str(), &stash_max_blocks, 0)) {
ErrorAbort(state, kArgsParsingFailure, "unexpected maximum stash blocks [%s]\n",
lines[3].c_str());
- return StringValue(strdup(""));
+ return StringValue("");
}
- int res = CreateStash(state, stash_max_blocks, blockdev_filename->data, params.stashbase);
+ int res = CreateStash(state, stash_max_blocks, blockdev_filename->data.c_str(), params.stashbase);
if (res == -1) {
- return StringValue(strdup(""));
+ return StringValue("");
}
params.createdstash = res;
@@ -1535,13 +1506,15 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
start += 2;
}
- // Build a hash table of the available commands
- HashTable* cmdht = mzHashTableCreate(cmdcount, nullptr);
- std::unique_ptr<HashTable, decltype(&mzHashTableFree)> cmdht_holder(cmdht, mzHashTableFree);
-
+ // Build a map of the available commands
+ std::unordered_map<std::string, const Command*> cmd_map;
for (size_t i = 0; i < cmdcount; ++i) {
- unsigned int cmdhash = HashString(commands[i].name);
- mzHashTableLookup(cmdht, cmdhash, (void*) &commands[i], CompareCommands, true);
+ if (cmd_map.find(commands[i].name) != cmd_map.end()) {
+ fprintf(stderr, "Error: command [%s] already exists in the cmd map.\n",
+ commands[i].name);
+ return StringValue(strdup(""));
+ }
+ cmd_map[commands[i].name] = &commands[i];
}
int rc = -1;
@@ -1558,16 +1531,13 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
params.cmdname = params.tokens[params.cpos++].c_str();
params.cmdline = line_str.c_str();
- unsigned int cmdhash = HashString(params.cmdname);
- const Command* cmd = reinterpret_cast<const Command*>(mzHashTableLookup(cmdht, cmdhash,
- const_cast<char*>(params.cmdname), CompareCommandNames,
- false));
-
- if (cmd == nullptr) {
+ if (cmd_map.find(params.cmdname) == cmd_map.end()) {
fprintf(stderr, "unexpected command [%s]\n", params.cmdname);
goto pbiudone;
}
+ const Command* cmd = cmd_map[params.cmdname];
+
if (cmd->f != nullptr && cmd->f(params) == -1) {
fprintf(stderr, "failed to execute command [%s]\n", line_str.c_str());
goto pbiudone;
@@ -1591,7 +1561,7 @@ static Value* PerformBlockImageUpdate(const char* name, State* state, int /* arg
fprintf(stderr, "stashed %zu blocks\n", params.stashed);
fprintf(stderr, "max alloc needed was %zu\n", params.buffer.size());
- const char* partition = strrchr(blockdev_filename->data, '/');
+ const char* partition = strrchr(blockdev_filename->data.c_str(), '/');
if (partition != nullptr && *(partition+1) != 0) {
fprintf(cmd_pipe, "log bytes_written_%s: %zu\n", partition + 1,
params.written * BLOCKSIZE);
@@ -1613,7 +1583,7 @@ pbiudone:
failure_type = kFsyncFailure;
fprintf(stderr, "fsync failed: %s\n", strerror(errno));
}
- // params.fd will be automatically closed because of the fd_holder above.
+ // params.fd will be automatically closed because it's a unique_fd.
// Only delete the stash if the update cannot be resumed, or it's
// a verification run and we created the stash.
@@ -1625,7 +1595,7 @@ pbiudone:
state->cause_code = failure_type;
}
- return StringValue(rc == 0 ? strdup("t") : strdup(""));
+ return StringValue(rc == 0 ? "t" : "");
}
// The transfer list is a text file containing commands to
@@ -1723,28 +1693,26 @@ Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[])
Value* ranges;
if (ReadValueArgs(state, argv, 2, &blockdev_filename, &ranges) < 0) {
- return StringValue(strdup(""));
+ return StringValue("");
}
- std::unique_ptr<Value, decltype(&FreeValue)> ranges_holder(ranges, FreeValue);
- std::unique_ptr<Value, decltype(&FreeValue)> blockdev_filename_holder(blockdev_filename,
- FreeValue);
+ std::unique_ptr<Value> ranges_holder(ranges);
+ std::unique_ptr<Value> blockdev_filename_holder(blockdev_filename);
if (blockdev_filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "blockdev_filename argument to %s must be string",
name);
- return StringValue(strdup(""));
+ return StringValue("");
}
if (ranges->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "ranges argument to %s must be string", name);
- return StringValue(strdup(""));
+ return StringValue("");
}
- int fd = open(blockdev_filename->data, O_RDWR);
- unique_fd fd_holder(fd);
- if (fd < 0) {
- ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", blockdev_filename->data,
- strerror(errno));
- return StringValue(strdup(""));
+ android::base::unique_fd fd(ota_open(blockdev_filename->data.c_str(), O_RDWR));
+ if (fd == -1) {
+ ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s",
+ blockdev_filename->data.c_str(), strerror(errno));
+ return StringValue("");
}
RangeSet rs;
@@ -1756,16 +1724,16 @@ Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[])
std::vector<uint8_t> buffer(BLOCKSIZE);
for (size_t i = 0; i < rs.count; ++i) {
if (!check_lseek(fd, (off64_t)rs.pos[i*2] * BLOCKSIZE, SEEK_SET)) {
- ErrorAbort(state, kLseekFailure, "failed to seek %s: %s", blockdev_filename->data,
- strerror(errno));
- return StringValue(strdup(""));
+ ErrorAbort(state, kLseekFailure, "failed to seek %s: %s",
+ blockdev_filename->data.c_str(), strerror(errno));
+ return StringValue("");
}
for (size_t j = rs.pos[i*2]; j < rs.pos[i*2+1]; ++j) {
if (read_all(fd, buffer, BLOCKSIZE) == -1) {
- ErrorAbort(state, kFreadFailure, "failed to read %s: %s", blockdev_filename->data,
- strerror(errno));
- return StringValue(strdup(""));
+ ErrorAbort(state, kFreadFailure, "failed to read %s: %s",
+ blockdev_filename->data.c_str(), strerror(errno));
+ return StringValue("");
}
SHA1_Update(&ctx, buffer.data(), BLOCKSIZE);
@@ -1774,7 +1742,7 @@ Value* RangeSha1Fn(const char* name, State* state, int /* argc */, Expr* argv[])
uint8_t digest[SHA_DIGEST_LENGTH];
SHA1_Final(digest, &ctx);
- return StringValue(strdup(print_sha1(digest).c_str()));
+ return StringValue(print_sha1(digest));
}
// This function checks if a device has been remounted R/W prior to an incremental
@@ -1788,28 +1756,27 @@ Value* CheckFirstBlockFn(const char* name, State* state, int argc, Expr* argv[])
if (ReadValueArgs(state, argv, 1, &arg_filename) < 0) {
return nullptr;
}
- std::unique_ptr<Value, decltype(&FreeValue)> filename(arg_filename, FreeValue);
+ std::unique_ptr<Value> filename(arg_filename);
if (filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "filename argument to %s must be string", name);
- return StringValue(strdup(""));
+ return StringValue("");
}
- int fd = open(arg_filename->data, O_RDONLY);
- unique_fd fd_holder(fd);
+ android::base::unique_fd fd(ota_open(arg_filename->data.c_str(), O_RDONLY));
if (fd == -1) {
- ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", arg_filename->data,
+ ErrorAbort(state, kFileOpenFailure, "open \"%s\" failed: %s", arg_filename->data.c_str(),
strerror(errno));
- return StringValue(strdup(""));
+ return StringValue("");
}
RangeSet blk0 {1 /*count*/, 1/*size*/, std::vector<size_t> {0, 1}/*position*/};
std::vector<uint8_t> block0_buffer(BLOCKSIZE);
if (ReadBlocks(blk0, block0_buffer, fd) == -1) {
- ErrorAbort(state, kFreadFailure, "failed to read %s: %s", arg_filename->data,
+ ErrorAbort(state, kFreadFailure, "failed to read %s: %s", arg_filename->data.c_str(),
strerror(errno));
- return StringValue(strdup(""));
+ return StringValue("");
}
// https://ext4.wiki.kernel.org/index.php/Ext4_Disk_Layout
@@ -1827,7 +1794,7 @@ Value* CheckFirstBlockFn(const char* name, State* state, int argc, Expr* argv[])
uiPrintf(state, "Last remount happened on %s", ctime(&mount_time));
}
- return StringValue(strdup("t"));
+ return StringValue("t");
}
@@ -1839,40 +1806,40 @@ Value* BlockImageRecoverFn(const char* name, State* state, int argc, Expr* argv[
return NULL;
}
- std::unique_ptr<Value, decltype(&FreeValue)> filename(arg_filename, FreeValue);
- std::unique_ptr<Value, decltype(&FreeValue)> ranges(arg_ranges, FreeValue);
+ std::unique_ptr<Value> filename(arg_filename);
+ std::unique_ptr<Value> ranges(arg_ranges);
if (filename->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "filename argument to %s must be string", name);
- return StringValue(strdup(""));
+ return StringValue("");
}
if (ranges->type != VAL_STRING) {
ErrorAbort(state, kArgsParsingFailure, "ranges argument to %s must be string", name);
- return StringValue(strdup(""));
+ return StringValue("");
}
// Output notice to log when recover is attempted
- fprintf(stderr, "%s image corrupted, attempting to recover...\n", filename->data);
+ fprintf(stderr, "%s image corrupted, attempting to recover...\n", filename->data.c_str());
// When opened with O_RDWR, libfec rewrites corrupted blocks when they are read
- fec::io fh(filename->data, O_RDWR);
+ fec::io fh(filename->data.c_str(), O_RDWR);
if (!fh) {
- ErrorAbort(state, kLibfecFailure, "fec_open \"%s\" failed: %s", filename->data,
+ ErrorAbort(state, kLibfecFailure, "fec_open \"%s\" failed: %s", filename->data.c_str(),
strerror(errno));
- return StringValue(strdup(""));
+ return StringValue("");
}
if (!fh.has_ecc() || !fh.has_verity()) {
ErrorAbort(state, kLibfecFailure, "unable to use metadata to correct errors");
- return StringValue(strdup(""));
+ return StringValue("");
}
fec_status status;
if (!fh.get_status(status)) {
ErrorAbort(state, kLibfecFailure, "failed to read FEC status");
- return StringValue(strdup(""));
+ return StringValue("");
}
RangeSet rs;
@@ -1889,8 +1856,8 @@ Value* BlockImageRecoverFn(const char* name, State* state, int argc, Expr* argv[
if (fh.pread(buffer, BLOCKSIZE, (off64_t)j * BLOCKSIZE) != BLOCKSIZE) {
ErrorAbort(state, kLibfecFailure, "failed to recover %s (block %zu): %s",
- filename->data, j, strerror(errno));
- return StringValue(strdup(""));
+ filename->data.c_str(), j, strerror(errno));
+ return StringValue("");
}
// If we want to be able to recover from a situation where rewriting a corrected
@@ -1905,8 +1872,8 @@ Value* BlockImageRecoverFn(const char* name, State* state, int argc, Expr* argv[
// read and check if the errors field value has increased.
}
}
- fprintf(stderr, "...%s image recovered successfully.\n", filename->data);
- return StringValue(strdup("t"));
+ fprintf(stderr, "...%s image recovered successfully.\n", filename->data.c_str());
+ return StringValue("t");
}
void RegisterBlockImageFunctions() {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 12:06:36 +0200