diff options
| -rw-r--r-- | programs/lz4io.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/programs/lz4io.c b/programs/lz4io.c index 5393cd0..105718d 100644 --- a/programs/lz4io.c +++ b/programs/lz4io.c @@ -1295,9 +1295,9 @@ typedef struct { typedef enum { LZ4IO_LZ4F_OK, LZ4IO_format_not_known, LZ4IO_not_a_file } LZ4IO_infoResult; /* This function is limited, - * it only works fine for a file consisting of a single valid frame. - * It will / may stop program execution if a single filename is wrong. + * it only works fine for a file consisting of a single valid frame using LZ4 Frame specification. * It will not look at content beyond first frame header. + * It's also unable to parse legacy frames, nor skippable ones. * * Things to improve : * - check the entire file for additional content after first frame @@ -1311,7 +1311,7 @@ LZ4IO_getCompressedFileInfo(LZ4IO_cFileInfo_t* cfinfo, const char* input_filenam LZ4IO_infoResult result = LZ4IO_format_not_known; /* default result (error) */ if (!UTIL_isRegFile(input_filename)) return LZ4IO_not_a_file; - cfinfo->fileSize = UTIL_getFileSize(input_filename); /* returns 0 if cannot read information */ + cfinfo->fileSize = UTIL_getFileSize(input_filename); /* Get filename without path prefix */ { const char* b = strrchr(input_filename, '/'); @@ -1329,9 +1329,10 @@ LZ4IO_getCompressedFileInfo(LZ4IO_cFileInfo_t* cfinfo, const char* input_filenam /* Read file and extract header */ { size_t const hSize = LZ4F_HEADER_SIZE_MAX; size_t readSize=0; - void* const buffer = malloc(hSize); + void* const buffer = malloc(hSize); if (!buffer) EXM_THROW(21, "Allocation error : not enough memory"); + { FILE* const finput = LZ4IO_openSrcFile(input_filename); if (finput) { readSize = fread(buffer, 1, hSize, finput); |