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Use fixed size buffer

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tarsin committed 2022-09-20 18:29:35 +08:00
1 parent 108928e524
commit 3b96328765
2 files changed
+34 -51
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app/src/main/cpp/archive.c
+24 -35
View File
@@ -195,8 +195,8 @@ static int archive_get_ctx(archive_ctx **ctxptr, int idx) {
JNIEXPORT jint JNICALL
Java_com_hippo_UriArchiveAccessor_openArchive(JNIEnv *env, jobject thiz, jint fd, jlong size) {
(void)env; /* UNUSED */
(void)thiz; /* UNUSED */
(void) env; /* UNUSED */
(void) thiz; /* UNUSED */
archive_ctx *ctx = NULL;
archiveAddr = mmap64(0, size, PROT_READ, MAP_PRIVATE, fd, 0);
if (archiveAddr == MAP_FAILED) {
@@ -246,51 +246,40 @@ Java_com_hippo_UriArchiveAccessor_openArchive(JNIEnv *env, jobject thiz, jint fd
return r;
}
typedef struct Memarea {
void *buffer;
long size;
} Memarea;
JNIEXPORT jlong JNICALL
Java_com_hippo_UriArchiveAccessor_extractToAddr(JNIEnv *env, jobject thiz, jint index) {
(void)env; /* UNUSED */
(void)thiz; /* UNUSED */
(void) env; /* UNUSED */
(void) thiz; /* UNUSED */
archive_ctx *ctx = NULL;
int ret;
ret = archive_get_ctx(&ctx, index);
if (ret)
return 0;
Memarea *memarea = malloc(sizeof(Memarea));
if (!memarea) {
long long size = archive_entry_size(ctx->entry);
void *buffer = malloc(size + sizeof(long long));
*(long long *) buffer = size;
if (!buffer) {
ctx->using = 0;
LOGE("Allocate buffer for decompression failed:ENOMEM");
free(buffer);
return 0;
}
memarea->size = (long) archive_entry_size(ctx->entry);
memarea->buffer = malloc(memarea->size);
if (!memarea->buffer) {
ctx->using = 0;
LOGE("Allocate buffer for decompression failed:ENOMEM");
free(memarea);
return 0;
}
ret = archive_read_data(ctx->arc, memarea->buffer, memarea->size);
ret = archive_read_data(ctx->arc, buffer + sizeof(long long), size);
ctx->using = 0;
if (ret == memarea->size)
return (jlong) memarea;
if (ret != memarea->size)
if (ret == size)
return (jlong) buffer;
if (ret != size)
LOGE("%s", "No enough data read, WTF?");
if (ret < 0)
LOGE("%s%s", "Archive read failed:", archive_error_string(ctx->arc));
free(memarea->buffer);
free(memarea);
free(buffer);
return 0;
}
JNIEXPORT void JNICALL
Java_com_hippo_UriArchiveAccessor_closeArchive(JNIEnv *env, jobject thiz) {
(void)env; /* UNUSED */
(void)thiz; /* UNUSED */
(void) env; /* UNUSED */
(void) thiz; /* UNUSED */
for (int i = 0; i < CTX_POOL_SIZE; i++)
archive_release_ctx(ctx_pool[i]);
free(passwd);
@@ -303,14 +292,14 @@ Java_com_hippo_UriArchiveAccessor_closeArchive(JNIEnv *env, jobject thiz) {
JNIEXPORT jboolean JNICALL
Java_com_hippo_UriArchiveAccessor_needPassword(JNIEnv *env, jobject thiz) {
(void)env; /* UNUSED */
(void)thiz; /* UNUSED */
(void) env; /* UNUSED */
(void) thiz; /* UNUSED */
return need_encrypt;
}
JNIEXPORT jboolean JNICALL
Java_com_hippo_UriArchiveAccessor_providePassword(JNIEnv *env, jobject thiz, jstring str) {
(void)thiz; /* UNUSED */
(void) thiz; /* UNUSED */
struct archive_entry *entry;
archive_ctx *ctx;
jboolean ret = true;
@@ -340,8 +329,8 @@ Java_com_hippo_UriArchiveAccessor_providePassword(JNIEnv *env, jobject thiz, jst
JNIEXPORT jstring JNICALL
Java_com_hippo_UriArchiveAccessor_getFilename(JNIEnv *env, jobject thiz, jint index) {
(void)env; /* UNUSED */
(void)thiz; /* UNUSED */
(void) env; /* UNUSED */
(void) thiz; /* UNUSED */
archive_ctx *ctx = NULL;
int ret;
ret = archive_get_ctx(&ctx, index);
@@ -353,9 +342,9 @@ Java_com_hippo_UriArchiveAccessor_getFilename(JNIEnv *env, jobject thiz, jint in
}
JNIEXPORT void JNICALL
Java_com_hippo_UriArchiveAccessor_extractToFd(JNIEnv *env, jobject thiz,jint index, jint fd) {
(void)env; /* UNUSED */
(void)thiz; /* UNUSED */
Java_com_hippo_UriArchiveAccessor_extractToFd(JNIEnv *env, jobject thiz, jint index, jint fd) {
(void) env; /* UNUSED */
(void) thiz; /* UNUSED */
archive_ctx *ctx = NULL;
int ret;
ret = archive_get_ctx(&ctx, index);