diff options
Diffstat (limited to 'programs')
| -rw-r--r-- | programs/lz4cli.c | 50 | ||||
| -rw-r--r-- | programs/lz4io.c | 2 |
2 files changed, 25 insertions, 27 deletions
diff --git a/programs/lz4cli.c b/programs/lz4cli.c index b5cb000..6302505 100644 --- a/programs/lz4cli.c +++ b/programs/lz4cli.c @@ -314,6 +314,7 @@ int main(int argc, const char** argv) cLevelLast=-10000, legacy_format=0, forceStdout=0, + forceOverwrite=0, main_pause=0, multiple_inputs=0, all_arguments_are_files=0, @@ -491,7 +492,7 @@ int main(int argc, const char** argv) case 't': mode = om_test; break; /* Overwrite */ - case 'f': LZ4IO_setOverwrite(prefs, 1); break; + case 'f': forceOverwrite=1; LZ4IO_setOverwrite(prefs, 1); break; /* Verbose mode */ case 'v': displayLevel++; break; @@ -581,20 +582,24 @@ int main(int argc, const char** argv) } /* Store in *inFileNames[] if -m is used. */ - if (multiple_inputs) { inFileNames[ifnIdx++]=argument; continue; } + if (multiple_inputs) { inFileNames[ifnIdx++] = argument; continue; } - /* Store first non-option arg in input_filename to preserve original cli logic. */ - if (!input_filename) { input_filename=argument; continue; } + /* original cli logic : lz4 input output */ + /* First non-option arg is input_filename. */ + if (!input_filename) { input_filename = argument; continue; } - /* Second non-option arg in output_filename to preserve original cli logic. */ + /* Second non-option arg is output_filename */ if (!output_filename) { - output_filename=argument; + output_filename = argument; if (!strcmp (output_filename, nullOutput)) output_filename = nulmark; continue; } - /* 3rd non-option arg should not exist */ - DISPLAYLEVEL(1, "Warning : %s won't be used ! Do you want multiple input files (-m) ? \n", argument); + /* 3rd+ non-option arg should not exist */ + DISPLAYLEVEL(1, "%s : %s won't be used ! Do you want multiple input files (-m) ? \n", + forceOverwrite ? "Warning" : "Error", + argument); + if (!forceOverwrite) exit(1); } DISPLAYLEVEL(3, WELCOME_MESSAGE); @@ -659,8 +664,7 @@ int main(int argc, const char** argv) if (!strcmp(input_filename, stdinmark)) { /* if input==stdin and no output defined, stdout becomes default output */ if (!output_filename) output_filename = stdoutmark; - } - else{ + } else { #ifdef UTIL_HAS_CREATEFILELIST if (!recursive && !UTIL_isRegFile(input_filename)) { #else @@ -668,8 +672,7 @@ int main(int argc, const char** argv) #endif DISPLAYLEVEL(1, "%s: is not a regular file \n", input_filename); exit(1); - } - } + } } /* No output filename ==> try to select one automatically (when possible) */ while ((!output_filename) && (multiple_inputs==0)) { @@ -679,7 +682,7 @@ int main(int argc, const char** argv) * To ensure `stdout` is explicitly selected, use `-c` command flag. * Conversely, to ensure output will not become `stdout`, use `-m` command flag */ DISPLAYLEVEL(1, "Warning : using stdout as default output. Do not rely on this behavior: use explicit `-c` instead ! \n"); - output_filename=stdoutmark; + output_filename = stdoutmark; break; } if (mode == om_auto) { /* auto-determine compression or decompression, based on file extension */ @@ -695,7 +698,7 @@ int main(int argc, const char** argv) DISPLAYLEVEL(2, "Compressed filename will be : %s \n", output_filename); break; } - if (mode == om_decompress) {/* decompression to file (automatic name will work only if input filename has correct format extension) */ + if (mode == om_decompress) {/* decompress to file (automatic output name only works if input filename has correct format extension) */ size_t outl; size_t const inl = strlen(input_filename); dynNameSpace = (char*)calloc(1,inl+1); @@ -704,20 +707,17 @@ int main(int argc, const char** argv) outl = inl; if (inl>4) while ((outl >= inl-4) && (input_filename[outl] == extension[outl-inl+4])) dynNameSpace[outl--]=0; - if (outl != inl-5) { DISPLAYLEVEL(1, "Cannot determine an output filename\n"); badusage(exeName); } + if (outl != inl-5) { DISPLAYLEVEL(1, "Cannot determine an output filename \n"); badusage(exeName); } output_filename = dynNameSpace; DISPLAYLEVEL(2, "Decoding file %s \n", output_filename); } break; } - if (mode == om_list){ - if(!multiple_inputs){ - inFileNames[ifnIdx++] = input_filename; - } - } - else{ - if (multiple_inputs==0) assert(output_filename); + if (mode == om_list) { + if (!multiple_inputs) inFileNames[ifnIdx++] = input_filename; + } else { + if (!multiple_inputs) assert(output_filename != NULL); } /* when multiple_inputs==1, output_filename may simply be useless, * however, output_filename must be !NULL for next strcmp() tests */ @@ -775,10 +775,8 @@ _cleanup: if (main_pause) waitEnter(); free(dynNameSpace); #ifdef UTIL_HAS_CREATEFILELIST - if (extendedFileList) { - UTIL_freeFileList(extendedFileList, fileNamesBuf); - inFileNames = NULL; - } + UTIL_freeFileList(extendedFileList, fileNamesBuf); + inFileNames = NULL; #endif LZ4IO_freePreferences(prefs); free((void*)inFileNames); diff --git a/programs/lz4io.c b/programs/lz4io.c index 6f636b5..c012215 100644 --- a/programs/lz4io.c +++ b/programs/lz4io.c @@ -348,7 +348,7 @@ static FILE* LZ4IO_openDstFile(const char* dstFileName, const LZ4IO_prefs_t* con DISPLAY("%s already exists; not overwritten \n", dstFileName); return NULL; } - DISPLAY("%s already exists; do you wish to overwrite (y/N) ? ", dstFileName); + DISPLAY("%s already exists; do you want to overwrite (y/N) ? ", dstFileName); { int ch = getchar(); if ((ch!='Y') && (ch!='y')) { DISPLAY(" not overwritten \n"); |