30 lines
645 B
C
30 lines
645 B
C
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#include <stdio.h> /* fprintf(3), stderr, NULL */
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#if !defined EX_OK || !defined EX_USAGE
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# include <sysexits.h>
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#endif
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#include <unistd.h> /* getopt(3) */
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#include "libfileis.h" /* f_executable(3), f_exists(3), f_readable(3),
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* f_writeable(3) */
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static char *program_name = "fileis";
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int main(int argc, char *argv[]){
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int c;
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if(argc < 2)
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goto usage;
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while((c = getopt(argc, argv, "erwx")) != -1)
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switch(c){
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default: goto usage;
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}
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if(optind == argc){
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usage: fprintf(stderr, "Usage: %s (-ehrwx) [file]\n",
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argv[0] == NULL ? program_name : argv[0]);
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return EX_USAGE;
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}
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return !f(argv[optind]);
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}
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