diff options
Diffstat (limited to 'archival/tar.c')
| -rw-r--r-- | archival/tar.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/archival/tar.c b/archival/tar.c index c5aad45d6..7d440f451 100644 --- a/archival/tar.c +++ b/archival/tar.c @@ -173,7 +173,7 @@ extern int tar_main(int argc, char **argv) #if defined BB_FEATURE_TAR_EXCLUDE int excludeListSize=0; #endif - const char *tarName=NULL; + const char *tarName="-"; int listFlag = FALSE; int extractFlag = FALSE; int createFlag = FALSE; @@ -187,13 +187,13 @@ extern int tar_main(int argc, char **argv) /* Parse any options */ while (--argc > 0 && strspn(*(++argv), "-cxt") >0 ) { stopIt=FALSE; - while (stopIt==FALSE && *(++(*argv))) { + while (stopIt==FALSE && *argv && **argv) { switch (**argv) { case 'f': if (--argc == 0) { fatalError( "Option requires an argument: No file specified\n"); } - if (tarName != NULL) + if (*tarName != '-') fatalError( "Only one 'f' option allowed\n"); tarName = *(++argv); if (tarName == NULL) @@ -252,6 +252,7 @@ extern int tar_main(int argc, char **argv) fatalError( "Unknown tar flag '%c'\n" "Try `tar --help' for more information\n", **argv); } + ++(*argv); } } |