diff options
| -rw-r--r-- | minzip/Zip.c | 21 | ||||
| -rw-r--r-- | minzip/Zip.h | 11 |
2 files changed, 30 insertions, 2 deletions
diff --git a/minzip/Zip.c b/minzip/Zip.c index 6785d4ea7..abc98901c 100644 --- a/minzip/Zip.c +++ b/minzip/Zip.c @@ -703,7 +703,7 @@ static bool writeProcessFunction(const unsigned char *data, int dataLen, while (true) { ssize_t n = write(fd, data+soFar, dataLen-soFar); if (n <= 0) { - LOGE("Error writing %ld bytes from zip file from %p: %s\n", + LOGE("Error writing %zd bytes from zip file from %p: %s\n", dataLen-soFar, data+soFar, strerror(errno)); if (errno != EINTR) { return false; @@ -712,7 +712,7 @@ static bool writeProcessFunction(const unsigned char *data, int dataLen, soFar += n; if (soFar == dataLen) return true; if (soFar > dataLen) { - LOGE("write overrun? (%ld bytes instead of %d)\n", + LOGE("write overrun? (%zd bytes instead of %d)\n", soFar, dataLen); return false; } @@ -735,6 +735,23 @@ bool mzExtractZipEntryToFile(const ZipArchive *pArchive, return true; } +/* + * Obtain a pointer to the in-memory representation of a stored entry. + */ +bool mzGetStoredEntry(const ZipArchive *pArchive, + const ZipEntry *pEntry, unsigned char **addr, size_t *length) +{ + if (pEntry->compression != STORED) { + LOGE("Can't getStoredEntry for '%s'; not stored\n", + pEntry->fileName); + return false; + } + + *addr = pArchive->addr + pEntry->offset; + *length = pEntry->uncompLen; + return true; +} + typedef struct { unsigned char* buffer; long len; diff --git a/minzip/Zip.h b/minzip/Zip.h index 05a2e60e0..2054b38a4 100644 --- a/minzip/Zip.h +++ b/minzip/Zip.h @@ -183,6 +183,17 @@ bool mzExtractZipEntryToBuffer(const ZipArchive *pArchive, const ZipEntry *pEntry, unsigned char* buffer); /* + * Return a pointer and length for a given entry. The returned region + * should be valid until pArchive is closed, and should be treated as + * read-only. + * + * Only makes sense for entries which are stored (ie, not compressed). + * No guarantees are made regarding alignment of the returned pointer. + */ +bool mzGetStoredEntry(const ZipArchive *pArchive, + const ZipEntry* pEntry, unsigned char **addr, size_t *length); + +/* * Inflate all entries under zipDir to the directory specified by * targetDir, which must exist and be a writable directory. * |