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-rw-r--r--minzip/Android.mk2
-rw-r--r--minzip/DirUtil.cpp (renamed from minzip/DirUtil.c)61
-rw-r--r--minzip/Zip.c21
-rw-r--r--minzip/Zip.h10
4 files changed, 36 insertions, 58 deletions
diff --git a/minzip/Android.mk b/minzip/Android.mk
index 22eabfbb1..3d36fd64e 100644
--- a/minzip/Android.mk
+++ b/minzip/Android.mk
@@ -4,7 +4,7 @@ include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
Hash.c \
SysUtil.c \
- DirUtil.c \
+ DirUtil.cpp \
Inlines.c \
Zip.c
diff --git a/minzip/DirUtil.c b/minzip/DirUtil.cpp
index 97cb2e0ee..823b6ed2f 100644
--- a/minzip/DirUtil.c
+++ b/minzip/DirUtil.cpp
@@ -24,6 +24,8 @@
#include <dirent.h>
#include <limits.h>
+#include <string>
+
#include "DirUtil.h"
typedef enum { DMISSING, DDIR, DILLEGAL } DirStatus;
@@ -66,43 +68,25 @@ dirCreateHierarchy(const char *path, int mode,
errno = ENOENT;
return -1;
}
-
- /* Allocate a path that we can modify; stick a slash on
- * the end to make things easier.
- */
- size_t pathLen = strlen(path);
- char *cpath = (char *)malloc(pathLen + 2);
- if (cpath == NULL) {
- errno = ENOMEM;
- return -1;
- }
- memcpy(cpath, path, pathLen);
+ // Allocate a path that we can modify; stick a slash on
+ // the end to make things easier.
+ std::string cpath = path;
if (stripFileName) {
- /* Strip everything after the last slash.
- */
- char *c = cpath + pathLen - 1;
- while (c != cpath && *c != '/') {
- c--;
- }
- if (c == cpath) {
- //xxx test this path
- /* No directory component. Act like the path was empty.
- */
+ // Strip everything after the last slash.
+ size_t pos = cpath.rfind('/');
+ if (pos == std::string::npos) {
errno = ENOENT;
- free(cpath);
return -1;
}
- c[1] = '\0'; // Terminate after the slash we found.
+ cpath.resize(pos + 1);
} else {
- /* Make sure that the path ends in a slash.
- */
- cpath[pathLen] = '/';
- cpath[pathLen + 1] = '\0';
+ // Make sure that the path ends in a slash.
+ cpath.push_back('/');
}
/* See if it already exists.
*/
- ds = getPathDirStatus(cpath);
+ ds = getPathDirStatus(cpath.c_str());
if (ds == DDIR) {
return 0;
} else if (ds == DILLEGAL) {
@@ -112,7 +96,8 @@ dirCreateHierarchy(const char *path, int mode,
/* Walk up the path from the root and make each level.
* If a directory already exists, no big deal.
*/
- char *p = cpath;
+ const char *path_start = &cpath[0];
+ char *p = &cpath[0];
while (*p != '\0') {
/* Skip any slashes, watching out for the end of the string.
*/
@@ -135,12 +120,11 @@ dirCreateHierarchy(const char *path, int mode,
/* Check this part of the path and make a new directory
* if necessary.
*/
- ds = getPathDirStatus(cpath);
+ ds = getPathDirStatus(path_start);
if (ds == DILLEGAL) {
/* Could happen if some other process/thread is
* messing with the filesystem.
*/
- free(cpath);
return -1;
} else if (ds == DMISSING) {
int err;
@@ -148,11 +132,11 @@ dirCreateHierarchy(const char *path, int mode,
char *secontext = NULL;
if (sehnd) {
- selabel_lookup(sehnd, &secontext, cpath, mode);
+ selabel_lookup(sehnd, &secontext, path_start, mode);
setfscreatecon(secontext);
}
- err = mkdir(cpath, mode);
+ err = mkdir(path_start, mode);
if (secontext) {
freecon(secontext);
@@ -160,22 +144,17 @@ dirCreateHierarchy(const char *path, int mode,
}
if (err != 0) {
- free(cpath);
return -1;
}
- if (timestamp != NULL && utime(cpath, timestamp)) {
- free(cpath);
+ if (timestamp != NULL && utime(path_start, timestamp)) {
return -1;
}
}
// else, this directory already exists.
-
- /* Repair the path and continue.
- */
+
+ // Repair the path and continue.
*p = '/';
}
- free(cpath);
-
return 0;
}
diff --git a/minzip/Zip.c b/minzip/Zip.c
index bdb565c64..0f89835ca 100644
--- a/minzip/Zip.c
+++ b/minzip/Zip.c
@@ -91,7 +91,7 @@ enum {
static void dumpEntry(const ZipEntry* pEntry)
{
LOGI(" %p '%.*s'\n", pEntry->fileName,pEntry->fileNameLen,pEntry->fileName);
- LOGI(" off=%ld comp=%ld uncomp=%ld how=%d\n", pEntry->offset,
+ LOGI(" off=%u comp=%u uncomp=%u how=%d\n", pEntry->offset,
pEntry->compLen, pEntry->uncompLen, pEntry->compression);
}
#endif
@@ -505,13 +505,11 @@ static bool processDeflatedEntry(const ZipArchive *pArchive,
const ZipEntry *pEntry, ProcessZipEntryContentsFunction processFunction,
void *cookie)
{
- long result = -1;
+ bool success = false;
+ unsigned long totalOut = 0;
unsigned char procBuf[32 * 1024];
z_stream zstream;
int zerr;
- long compRemaining;
-
- compRemaining = pEntry->compLen;
/*
* Initialize the zlib stream.
@@ -572,16 +570,17 @@ static bool processDeflatedEntry(const ZipArchive *pArchive,
assert(zerr == Z_STREAM_END); /* other errors should've been caught */
// success!
- result = zstream.total_out;
+ totalOut = zstream.total_out;
+ success = true;
z_bail:
inflateEnd(&zstream); /* free up any allocated structures */
bail:
- if (result != pEntry->uncompLen) {
- if (result != -1) // error already shown?
- LOGW("Size mismatch on inflated file (%ld vs %ld)\n",
- result, pEntry->uncompLen);
+ if (totalOut != pEntry->uncompLen) {
+ if (success) { // error already shown?
+ LOGW("Size mismatch on inflated file (%lu vs %u)\n", totalOut, pEntry->uncompLen);
+ }
return false;
}
return true;
@@ -759,7 +758,7 @@ static const char *targetEntryPath(MzPathHelper *helper, ZipEntry *pEntry)
*/
needLen = helper->targetDirLen + 1 +
pEntry->fileNameLen - helper->zipDirLen + 1;
- if (needLen > helper->bufLen) {
+ if (firstTime || needLen > helper->bufLen) {
char *newBuf;
needLen *= 2;
diff --git a/minzip/Zip.h b/minzip/Zip.h
index 86d8db597..e6b19e1f0 100644
--- a/minzip/Zip.h
+++ b/minzip/Zip.h
@@ -32,9 +32,9 @@ extern "C" {
typedef struct ZipEntry {
unsigned int fileNameLen;
const char* fileName; // not null-terminated
- long offset;
- long compLen;
- long uncompLen;
+ uint32_t offset;
+ uint32_t compLen;
+ uint32_t uncompLen;
int compression;
long modTime;
long crc32;
@@ -85,10 +85,10 @@ void mzCloseZipArchive(ZipArchive* pArchive);
const ZipEntry* mzFindZipEntry(const ZipArchive* pArchive,
const char* entryName);
-INLINE long mzGetZipEntryOffset(const ZipEntry* pEntry) {
+INLINE uint32_t mzGetZipEntryOffset(const ZipEntry* pEntry) {
return pEntry->offset;
}
-INLINE long mzGetZipEntryUncompLen(const ZipEntry* pEntry) {
+INLINE uint32_t mzGetZipEntryUncompLen(const ZipEntry* pEntry) {
return pEntry->uncompLen;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 16:09:32 +0100