diff options
Diffstat (limited to 'tar.c')
| -rw-r--r-- | tar.c | 157 |
1 files changed, 76 insertions, 81 deletions
@@ -163,7 +163,7 @@ extern int tar_unzip_init(int tarFd) if (pipe(unzip_pipe)!=0) error_msg_and_die("pipe error\n"); - + if ( (child_pid = fork()) == -1) error_msg_and_die("fork failure\n"); @@ -182,6 +182,13 @@ extern int tar_unzip_init(int tarFd) } #endif +#if defined BB_FEATURE_TAR_EXCLUDE +struct option longopts[] = { + { "exclude", 1, NULL, 'e' }, + { NULL, 0, NULL, 0 } +}; +#endif + extern int tar_main(int argc, char **argv) { char** excludeList=NULL; @@ -189,7 +196,6 @@ extern int tar_main(int argc, char **argv) const char *tarName="-"; #if defined BB_FEATURE_TAR_EXCLUDE int excludeListSize=0; - char *excludeFileName ="-"; FILE *fileList; char file[256]; #endif @@ -202,95 +208,84 @@ extern int tar_main(int argc, char **argv) int verboseFlag = FALSE; int tostdoutFlag = FALSE; int status = FALSE; - int firstOpt = TRUE; - int stopIt; + int opt; if (argc <= 1) usage(tar_usage); - while (*(++argv) && (**argv == '-' || firstOpt == TRUE)) { - firstOpt=FALSE; - stopIt=FALSE; - while (stopIt==FALSE && **argv) { - switch (*((*argv)++)) { - case 'c': - if (extractFlag == TRUE || listFlag == TRUE) - goto flagError; - createFlag = TRUE; - break; - case 'x': - if (listFlag == TRUE || createFlag == TRUE) - goto flagError; - extractFlag = TRUE; - break; - case 't': - if (extractFlag == TRUE || createFlag == TRUE) - goto flagError; - listFlag = TRUE; - break; + if (argv[1][0] != '-') { + char *tmp = xmalloc(strlen(argv[1]) + 2); + tmp[0] = '-'; + strcpy(tmp + 1, argv[1]); + argv[1] = tmp; + } + + while ( +#ifndef BB_FEATURE_TAR_EXCLUDE + (opt = getopt(argc, argv, "cxtzvOf:")) +#else + (opt = getopt_long(argc, argv, "cxtzvOf:X:", longopts, NULL)) +#endif + > 0) { + switch (opt) { + case 'c': + if (extractFlag == TRUE || listFlag == TRUE) + goto flagError; + createFlag = TRUE; + break; + case 'x': + if (listFlag == TRUE || createFlag == TRUE) + goto flagError; + extractFlag = TRUE; + break; + case 't': + if (extractFlag == TRUE || createFlag == TRUE) + goto flagError; + listFlag = TRUE; + break; #ifdef BB_FEATURE_TAR_GZIP - case 'z': - unzipFlag = TRUE; - break; + case 'z': + unzipFlag = TRUE; + break; #endif - case 'v': - verboseFlag = TRUE; - break; - case 'O': - tostdoutFlag = TRUE; - break; - case 'f': - if (*tarName != '-') - error_msg_and_die( "Only one 'f' option allowed\n"); - tarName = *(++argv); - if (tarName == NULL) - error_msg_and_die( "Option requires an argument: No file specified\n"); - stopIt=TRUE; - break; + case 'v': + verboseFlag = TRUE; + break; + case 'O': + tostdoutFlag = TRUE; + break; + case 'f': + if (*tarName != '-') + error_msg_and_die( "Only one 'f' option allowed\n"); + tarName = optarg; + break; #if defined BB_FEATURE_TAR_EXCLUDE - case 'e': - if (strcmp(*argv, "xclude")==0) { - excludeList=xrealloc( excludeList, - sizeof(char *) * (excludeListSize+2)); - excludeList[excludeListSize] = *(++argv); - if (excludeList[excludeListSize] == NULL) - error_msg_and_die( "Option requires an argument: No file specified\n"); - /* Tack a NULL onto the end of the list */ - excludeList[++excludeListSize] = NULL; - stopIt=TRUE; - break; - } - case 'X': - if (*excludeFileName != '-') - error_msg_and_die("Only one 'X' option allowed\n"); - excludeFileName = *(++argv); - if (excludeFileName == NULL) - error_msg_and_die("Option requires an argument: No file specified\n"); - fileList = fopen (excludeFileName, "r"); - if (! fileList) - error_msg_and_die("Exclude file: file not found\n"); - while (fgets(file, sizeof(file), fileList) != NULL) { - excludeList = xrealloc(excludeList, - sizeof(char *) * (excludeListSize+2)); - if (file[strlen(file)-1] == '\n') - file[strlen(file)-1] = '\0'; - excludeList[excludeListSize] = xstrdup(file); - /* Tack a NULL onto the end of the list */ - excludeList[++excludeListSize] = NULL; - } - fclose(fileList); - stopIt=TRUE; - break; + case 'e': + excludeList=xrealloc( excludeList, + sizeof(char *) * (excludeListSize+2)); + excludeList[excludeListSize] = optarg; + /* Tack a NULL onto the end of the list */ + excludeList[++excludeListSize] = NULL; + case 'X': + fileList = xfopen(optarg, "r"); + while (fgets(file, sizeof(file), fileList) != NULL) { + excludeList = xrealloc(excludeList, + sizeof(char *) * (excludeListSize+2)); + if (file[strlen(file)-1] == '\n') + file[strlen(file)-1] = '\0'; + excludeList[excludeListSize] = xstrdup(file); + /* Tack a NULL onto the end of the list */ + excludeList[++excludeListSize] = NULL; + } + fclose(fileList); + break; #endif - case '-': - break; default: usage(tar_usage); - } } } - /* + /* * Do the correct type of action supplying the rest of the * command line arguments as the list of files to process. */ @@ -302,13 +297,13 @@ extern int tar_main(int argc, char **argv) if (unzipFlag==TRUE) error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n"); #endif - status = writeTarFile(tarName, verboseFlag, argv, excludeList); + status = writeTarFile(tarName, verboseFlag, argv + optind, excludeList); #endif } if (listFlag == TRUE || extractFlag == TRUE) { int tarFd; - if (*argv) - extractList = argv; + if (argv[optind]) + extractList = argv + optind; /* Open the tar file for reading. */ if (!strcmp(tarName, "-")) tarFd = fileno(stdin); |