Show usage() when filtermode is given for tar-creation
We only allow decompression for extraction. Thus, it may be confusing for the user and break scripts silently when the j- or z-flag are given even though this is not supported.
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1f0f1dd320
4
tar.c
4
tar.c
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@ -52,7 +52,7 @@ static ino_t tarinode;
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static dev_t tardev;
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static dev_t tardev;
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static int mflag;
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static int mflag;
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static char filtermode;
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static char filtermode = '\0';
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static FILE *
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static FILE *
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decomp(FILE *fp)
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decomp(FILE *fp)
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@ -348,6 +348,8 @@ main(int argc, char *argv[])
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if (!mode || argc != (mode == 'c'))
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if (!mode || argc != (mode == 'c'))
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usage();
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usage();
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if (mode == 'c' && filtermode)
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usage();
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switch (mode) {
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switch (mode) {
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case 'c':
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case 'c':
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