diff options
Diffstat (limited to 'programs/lz4io.c')
| -rw-r--r-- | programs/lz4io.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/programs/lz4io.c b/programs/lz4io.c index f2d7b51..3a85830 100644 --- a/programs/lz4io.c +++ b/programs/lz4io.c @@ -136,6 +136,7 @@ static clock_t g_time = 0; * Local Parameters **************************************/ static int g_overwrite = 1; +static int g_passThrough = 1; static int g_blockSizeId = LZ4IO_BLOCKSIZEID_DEFAULT; static int g_blockChecksum = 0; static int g_streamChecksum = 1; @@ -184,6 +185,13 @@ int LZ4IO_setOverwrite(int yes) return g_overwrite; } +/* Default setting : passThrough = 1; return : passThrough mode (0/1) */ +int LZ4IO_setPassThrough(int yes) +{ + g_passThrough = (yes!=0); + return g_passThrough; +} + /* blockSizeID : valid values : 4-5-6-7 */ int LZ4IO_setBlockSizeID(int bsid) { @@ -283,7 +291,7 @@ static int LZ4IO_getFiles(const char* input_filename, const char* output_filenam } else { /* Check if destination file already exists */ *pfoutput=0; - if (output_filename != nulmark) *pfoutput = fopen( output_filename, "rb" ); + if (strcmp(output_filename, nulmark)) *pfoutput = fopen( output_filename, "rb" ); if (*pfoutput!=0) { fclose(*pfoutput); if (!g_overwrite) { @@ -908,7 +916,7 @@ static unsigned long long selectDecoder(dRess_t ress, FILE* finput, FILE* foutpu EXTENDED_FORMAT; /* macro extension for custom formats */ default: if (nbCalls == 1) { /* just started */ - if (g_overwrite) + if (g_passThrough && g_overwrite) return LZ4IO_passThrough(finput, foutput, MNstore); EXM_THROW(44,"Unrecognized header : file cannot be decoded"); /* Wrong magic number at the beginning of 1st stream */ } |