1 files changed, 69 insertions, 58 deletions

diff --git a/programs/lz4io.c b/programs/lz4io.c
index 175157e..1e6efe1 100644
--- a/programs/lz4io.c
+++ b/programs/lz4io.c
@@ -1214,62 +1214,6 @@ static int LZ4IO_decompressDstFile(LZ4IO_prefs_t* const prefs, dRess_t ress, con
 }
 
 
-static int LZ4IO_getCompressedFileInfo(const char* input_filename,  LZ4F_compFileInfo_t* cfinfo){
-  const char *b, 
-             *e;
-  char *t;
-  stat_t statbuf;
-  size_t readSize = LZ4F_HEADER_SIZE_MAX;
-  LZ4F_errorCode_t errorCode;
-  dRess_t ress;
-  /* Open file */
-  FILE* const finput = LZ4IO_openSrcFile(input_filename);
-  if (finput==NULL) return 1;
-  
-  /* Get file size */
-  if (!UTIL_getFileStat(input_filename, &statbuf)){
-    EXM_THROW(60, "Can't stat file : %s", input_filename);
-  }
-
-  cfinfo->fileSize = statbuf.st_size;
-
-  /* Get basename without extension */
-  b = strrchr(input_filename, '/');
-  if (!b){
-    b = strrchr(input_filename, '\\');
-  }
-  if (b && b != input_filename){
-    b++;
-  } else{
-    b=input_filename;
-  }
-  e = strrchr(b, '.');
-
-  /* Allocate Memory */
-  t = (char*)malloc( (e-b+1) * sizeof(char));
-  ress.srcBuffer = malloc(LZ4IO_dBufferSize);
-  if (!t || !ress.srcBuffer)
-    EXM_THROW(21, "Allocation error : not enough memory");
-  strncpy(t, b, (e-b));
-  t[e-b] = '\0';
-  cfinfo->fileName = t;
-
-  /* init */
-  errorCode = LZ4F_createDecompressionContext(&ress.dCtx, LZ4F_VERSION);
-  if (LZ4F_isError(errorCode)) EXM_THROW(60, "Can't create LZ4F context : %s", LZ4F_getErrorName(errorCode));
-
-  if (!fread(ress.srcBuffer, readSize, 1, finput)){
-    EXM_THROW(30, "Error reading %s ", input_filename);
-  }
-  LZ4F_getFrameInfo(ress.dCtx, &cfinfo->frameInfo, ress.srcBuffer, &readSize);
-
-  /* Close input/free resources */
-  fclose(finput);
-  free(ress.srcBuffer);
-  return 0;
-}
-
-
 int LZ4IO_decompressFilename(LZ4IO_prefs_t* const prefs, const char* input_filename, const char* output_filename)
 {
     dRess_t const ress = LZ4IO_createDResources(prefs);
@@ -1323,15 +1267,82 @@ int LZ4IO_decompressMultipleFilenames(LZ4IO_prefs_t* const prefs, const char** i
 }
 
 
+/* ********************************************************************* */
+/* **********************   LZ4 --list command   *********************** */
+/* ********************************************************************* */
+
+typedef struct {
+  LZ4F_frameInfo_t frameInfo;
+  const char* fileName;
+  unsigned long long fileSize;
+} LZ4F_compFileInfo_t;
+
+#define LZ4F_INIT_FILEINFO   { LZ4F_INIT_FRAMEINFO, NULL, 0ULL }
+
+
+static int LZ4IO_getCompressedFileInfo(const char* input_filename,  LZ4F_compFileInfo_t* cfinfo){
+  const char *b,
+             *e;
+  char *t;
+  stat_t statbuf;
+  size_t readSize = LZ4F_HEADER_SIZE_MAX;
+  LZ4F_errorCode_t errorCode;
+  dRess_t ress;
+  /* Open file */
+  FILE* const finput = LZ4IO_openSrcFile(input_filename);
+  if (finput==NULL) return 1;
+
+  /* Get file size */
+  if (!UTIL_getFileStat(input_filename, &statbuf)){
+    EXM_THROW(60, "Can't stat file : %s", input_filename);
+  }
+
+  cfinfo->fileSize = (unsigned long long)statbuf.st_size;
+
+  /* Get basename without extension */
+  b = strrchr(input_filename, '/');
+  if (!b){
+    b = strrchr(input_filename, '\\');
+  }
+  if (b && b != input_filename){
+    b++;
+  } else{
+    b=input_filename;
+  }
+  e = strrchr(b, '.');
+
+  /* Allocate Memory */
+  t = (char*)malloc( (size_t)(e-b+1) * sizeof(char));
+  ress.srcBuffer = malloc(LZ4IO_dBufferSize);
+  if (!t || !ress.srcBuffer)
+    EXM_THROW(21, "Allocation error : not enough memory");
+  strncpy(t, b, (e-b));
+  t[e-b] = '\0';
+  cfinfo->fileName = t;
+
+  /* init */
+  errorCode = LZ4F_createDecompressionContext(&ress.dCtx, LZ4F_VERSION);
+  if (LZ4F_isError(errorCode)) EXM_THROW(60, "Can't create LZ4F context : %s", LZ4F_getErrorName(errorCode));
+
+  if (!fread(ress.srcBuffer, readSize, 1, finput)){
+    EXM_THROW(30, "Error reading %s ", input_filename);
+  }
+  LZ4F_getFrameInfo(ress.dCtx, &cfinfo->frameInfo, ress.srcBuffer, &readSize);
+
+  /* Close input/free resources */
+  fclose(finput);
+  free(ress.srcBuffer);
+  return 0;
+}
+
 int LZ4IO_displayCompressedFilesInfo(const char** inFileNames, const size_t ifnIdx){
   size_t idx;
   int op_result=0;
   double ratio;
-  LZ4F_compFileInfo_t cfinfo;
   DISPLAY("%16s\t%-20s\t%-20s\t%-10s\t%s\n","BlockChecksumFlag","Compressed", "Uncompressed", "Ratio", "Filename");
   for(idx=0; idx<ifnIdx; idx++){
     /* Get file info */
-    cfinfo = (LZ4F_compFileInfo_t) LZ4F_INIT_FILEINFO;
+    LZ4F_compFileInfo_t cfinfo = LZ4F_INIT_FILEINFO;
     op_result=LZ4IO_getCompressedFileInfo(inFileNames[idx], &cfinfo);
     if (op_result != 0){
         DISPLAYLEVEL(1, "Failed to get frame info for file %s\n", inFileNames[idx]);