AuroraMiddleware/lz4
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updated code comments

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This commit is contained in:
Yann Collet 2019-04-22 15:24:44 -07:00
parent a685d5cffc
commit 5a50247d5f
1 changed files with 5 additions and 4 deletions
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9
programs/lz4io.c
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@ -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);