Use getopt (or getopt_long).
This commit is contained in:
Matt Kraai
parent
8f8dab94e5
commit
3b3f5c364a
153
archival/tar.c
153
archival/tar.c
@ -182,6 +182,13 @@ extern int tar_unzip_init(int tarFd)
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}
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#endif
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#if defined BB_FEATURE_TAR_EXCLUDE
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struct option longopts[] = {
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{ "exclude", 1, NULL, 'e' },
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{ NULL, 0, NULL, 0 }
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};
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#endif
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extern int tar_main(int argc, char **argv)
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{
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char** excludeList=NULL;
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@ -189,7 +196,6 @@ extern int tar_main(int argc, char **argv)
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const char *tarName="-";
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#if defined BB_FEATURE_TAR_EXCLUDE
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int excludeListSize=0;
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char *excludeFileName ="-";
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FILE *fileList;
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char file[256];
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#endif
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@ -202,91 +208,80 @@ extern int tar_main(int argc, char **argv)
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int verboseFlag = FALSE;
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int tostdoutFlag = FALSE;
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int status = FALSE;
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int firstOpt = TRUE;
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int stopIt;
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int opt;
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if (argc <= 1)
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usage(tar_usage);
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while (*(++argv) && (**argv == '-' || firstOpt == TRUE)) {
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firstOpt=FALSE;
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stopIt=FALSE;
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while (stopIt==FALSE && **argv) {
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switch (*((*argv)++)) {
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case 'c':
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if (extractFlag == TRUE || listFlag == TRUE)
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goto flagError;
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createFlag = TRUE;
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break;
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case 'x':
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if (listFlag == TRUE || createFlag == TRUE)
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goto flagError;
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extractFlag = TRUE;
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break;
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case 't':
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if (extractFlag == TRUE || createFlag == TRUE)
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goto flagError;
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listFlag = TRUE;
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break;
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if (argv[1][0] != '-') {
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char *tmp = xmalloc(strlen(argv[1]) + 2);
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tmp[0] = '-';
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strcpy(tmp + 1, argv[1]);
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argv[1] = tmp;
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}
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while (
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#ifndef BB_FEATURE_TAR_EXCLUDE
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(opt = getopt(argc, argv, "cxtzvOf:"))
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#else
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(opt = getopt_long(argc, argv, "cxtzvOf:X:", longopts, NULL))
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#endif
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> 0) {
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switch (opt) {
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case 'c':
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if (extractFlag == TRUE || listFlag == TRUE)
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goto flagError;
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createFlag = TRUE;
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break;
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case 'x':
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if (listFlag == TRUE || createFlag == TRUE)
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goto flagError;
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extractFlag = TRUE;
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break;
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case 't':
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if (extractFlag == TRUE || createFlag == TRUE)
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goto flagError;
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listFlag = TRUE;
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break;
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#ifdef BB_FEATURE_TAR_GZIP
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case 'z':
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unzipFlag = TRUE;
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break;
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case 'z':
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unzipFlag = TRUE;
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break;
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#endif
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case 'v':
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verboseFlag = TRUE;
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break;
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case 'O':
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tostdoutFlag = TRUE;
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break;
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case 'f':
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if (*tarName != '-')
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error_msg_and_die( "Only one 'f' option allowed\n");
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tarName = *(++argv);
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if (tarName == NULL)
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error_msg_and_die( "Option requires an argument: No file specified\n");
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stopIt=TRUE;
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break;
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case 'v':
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verboseFlag = TRUE;
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break;
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case 'O':
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tostdoutFlag = TRUE;
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break;
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case 'f':
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if (*tarName != '-')
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error_msg_and_die( "Only one 'f' option allowed\n");
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tarName = optarg;
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break;
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#if defined BB_FEATURE_TAR_EXCLUDE
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case 'e':
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if (strcmp(*argv, "xclude")==0) {
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excludeList=xrealloc( excludeList,
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sizeof(char *) * (excludeListSize+2));
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excludeList[excludeListSize] = *(++argv);
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if (excludeList[excludeListSize] == NULL)
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error_msg_and_die( "Option requires an argument: No file specified\n");
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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stopIt=TRUE;
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break;
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}
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case 'X':
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if (*excludeFileName != '-')
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error_msg_and_die("Only one 'X' option allowed\n");
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excludeFileName = *(++argv);
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if (excludeFileName == NULL)
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error_msg_and_die("Option requires an argument: No file specified\n");
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fileList = fopen (excludeFileName, "r");
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if (! fileList)
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error_msg_and_die("Exclude file: file not found\n");
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while (fgets(file, sizeof(file), fileList) != NULL) {
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excludeList = xrealloc(excludeList,
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sizeof(char *) * (excludeListSize+2));
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if (file[strlen(file)-1] == '\n')
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file[strlen(file)-1] = '\0';
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excludeList[excludeListSize] = xstrdup(file);
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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}
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fclose(fileList);
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stopIt=TRUE;
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break;
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case 'e':
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excludeList=xrealloc( excludeList,
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sizeof(char *) * (excludeListSize+2));
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excludeList[excludeListSize] = optarg;
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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case 'X':
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fileList = xfopen(optarg, "r");
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while (fgets(file, sizeof(file), fileList) != NULL) {
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excludeList = xrealloc(excludeList,
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sizeof(char *) * (excludeListSize+2));
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if (file[strlen(file)-1] == '\n')
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file[strlen(file)-1] = '\0';
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excludeList[excludeListSize] = xstrdup(file);
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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}
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fclose(fileList);
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break;
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#endif
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case '-':
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break;
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default:
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usage(tar_usage);
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}
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}
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}
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@ -302,13 +297,13 @@ extern int tar_main(int argc, char **argv)
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if (unzipFlag==TRUE)
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error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n");
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#endif
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status = writeTarFile(tarName, verboseFlag, argv, excludeList);
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status = writeTarFile(tarName, verboseFlag, argv + optind, excludeList);
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#endif
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}
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if (listFlag == TRUE || extractFlag == TRUE) {
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int tarFd;
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if (*argv)
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extractList = argv;
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if (argv[optind])
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extractList = argv + optind;
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/* Open the tar file for reading. */
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if (!strcmp(tarName, "-"))
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tarFd = fileno(stdin);
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153
tar.c
153
tar.c
@ -182,6 +182,13 @@ extern int tar_unzip_init(int tarFd)
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}
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#endif
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#if defined BB_FEATURE_TAR_EXCLUDE
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struct option longopts[] = {
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{ "exclude", 1, NULL, 'e' },
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{ NULL, 0, NULL, 0 }
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};
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#endif
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extern int tar_main(int argc, char **argv)
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{
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char** excludeList=NULL;
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@ -189,7 +196,6 @@ extern int tar_main(int argc, char **argv)
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const char *tarName="-";
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#if defined BB_FEATURE_TAR_EXCLUDE
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int excludeListSize=0;
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char *excludeFileName ="-";
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FILE *fileList;
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char file[256];
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#endif
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@ -202,91 +208,80 @@ extern int tar_main(int argc, char **argv)
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int verboseFlag = FALSE;
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int tostdoutFlag = FALSE;
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int status = FALSE;
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int firstOpt = TRUE;
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int stopIt;
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int opt;
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if (argc <= 1)
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usage(tar_usage);
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while (*(++argv) && (**argv == '-' || firstOpt == TRUE)) {
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firstOpt=FALSE;
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stopIt=FALSE;
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while (stopIt==FALSE && **argv) {
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switch (*((*argv)++)) {
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case 'c':
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if (extractFlag == TRUE || listFlag == TRUE)
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goto flagError;
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createFlag = TRUE;
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break;
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case 'x':
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if (listFlag == TRUE || createFlag == TRUE)
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goto flagError;
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extractFlag = TRUE;
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break;
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case 't':
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if (extractFlag == TRUE || createFlag == TRUE)
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goto flagError;
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listFlag = TRUE;
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break;
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if (argv[1][0] != '-') {
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char *tmp = xmalloc(strlen(argv[1]) + 2);
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tmp[0] = '-';
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strcpy(tmp + 1, argv[1]);
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argv[1] = tmp;
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}
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while (
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#ifndef BB_FEATURE_TAR_EXCLUDE
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(opt = getopt(argc, argv, "cxtzvOf:"))
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#else
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(opt = getopt_long(argc, argv, "cxtzvOf:X:", longopts, NULL))
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#endif
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> 0) {
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switch (opt) {
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case 'c':
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if (extractFlag == TRUE || listFlag == TRUE)
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goto flagError;
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createFlag = TRUE;
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break;
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case 'x':
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if (listFlag == TRUE || createFlag == TRUE)
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goto flagError;
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extractFlag = TRUE;
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break;
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case 't':
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if (extractFlag == TRUE || createFlag == TRUE)
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goto flagError;
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listFlag = TRUE;
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break;
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#ifdef BB_FEATURE_TAR_GZIP
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case 'z':
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unzipFlag = TRUE;
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break;
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case 'z':
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unzipFlag = TRUE;
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break;
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#endif
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case 'v':
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verboseFlag = TRUE;
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break;
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case 'O':
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tostdoutFlag = TRUE;
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break;
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case 'f':
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if (*tarName != '-')
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error_msg_and_die( "Only one 'f' option allowed\n");
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tarName = *(++argv);
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if (tarName == NULL)
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error_msg_and_die( "Option requires an argument: No file specified\n");
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stopIt=TRUE;
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break;
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case 'v':
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verboseFlag = TRUE;
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break;
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case 'O':
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tostdoutFlag = TRUE;
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break;
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case 'f':
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if (*tarName != '-')
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error_msg_and_die( "Only one 'f' option allowed\n");
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tarName = optarg;
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break;
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#if defined BB_FEATURE_TAR_EXCLUDE
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case 'e':
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if (strcmp(*argv, "xclude")==0) {
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excludeList=xrealloc( excludeList,
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sizeof(char *) * (excludeListSize+2));
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excludeList[excludeListSize] = *(++argv);
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if (excludeList[excludeListSize] == NULL)
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error_msg_and_die( "Option requires an argument: No file specified\n");
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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stopIt=TRUE;
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break;
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}
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case 'X':
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if (*excludeFileName != '-')
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error_msg_and_die("Only one 'X' option allowed\n");
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excludeFileName = *(++argv);
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if (excludeFileName == NULL)
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error_msg_and_die("Option requires an argument: No file specified\n");
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fileList = fopen (excludeFileName, "r");
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if (! fileList)
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error_msg_and_die("Exclude file: file not found\n");
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while (fgets(file, sizeof(file), fileList) != NULL) {
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excludeList = xrealloc(excludeList,
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sizeof(char *) * (excludeListSize+2));
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if (file[strlen(file)-1] == '\n')
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file[strlen(file)-1] = '\0';
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excludeList[excludeListSize] = xstrdup(file);
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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}
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fclose(fileList);
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stopIt=TRUE;
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break;
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case 'e':
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excludeList=xrealloc( excludeList,
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sizeof(char *) * (excludeListSize+2));
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excludeList[excludeListSize] = optarg;
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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case 'X':
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fileList = xfopen(optarg, "r");
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while (fgets(file, sizeof(file), fileList) != NULL) {
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excludeList = xrealloc(excludeList,
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sizeof(char *) * (excludeListSize+2));
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if (file[strlen(file)-1] == '\n')
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file[strlen(file)-1] = '\0';
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excludeList[excludeListSize] = xstrdup(file);
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/* Tack a NULL onto the end of the list */
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excludeList[++excludeListSize] = NULL;
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}
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fclose(fileList);
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break;
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#endif
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case '-':
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break;
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default:
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usage(tar_usage);
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}
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}
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}
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@ -302,13 +297,13 @@ extern int tar_main(int argc, char **argv)
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if (unzipFlag==TRUE)
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error_msg_and_die("Creation of compressed not internally support by tar, pipe to busybox gunzip\n");
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#endif
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status = writeTarFile(tarName, verboseFlag, argv, excludeList);
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status = writeTarFile(tarName, verboseFlag, argv + optind, excludeList);
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#endif
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}
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if (listFlag == TRUE || extractFlag == TRUE) {
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int tarFd;
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if (*argv)
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extractList = argv;
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if (argv[optind])
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extractList = argv + optind;
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/* Open the tar file for reading. */
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if (!strcmp(tarName, "-"))
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tarFd = fileno(stdin);
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@ -1711,7 +1711,7 @@ FILE *wfopen(const char *path, const char *mode)
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#endif
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#if defined BB_HOSTNAME || defined BB_LOADACM || defined BB_MORE \
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|| defined BB_SED || defined BB_SH || defined BB_UNIQ \
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|| defined BB_SED || defined BB_SH || defined BB_TAR || defined BB_UNIQ \
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|| defined BB_WC || defined BB_CMP
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FILE *xfopen(const char *path, const char *mode)
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{
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