mknod: Use a switch statement for the node type
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parent
e5d8efb32f
commit
ba2f04f391
19
mknod.c
19
mknod.c
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@ -22,7 +22,7 @@ usage(void)
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int
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main(int argc, char *argv[])
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{
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mode_t type, mode = 0666;
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mode_t mode = 0666;
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dev_t dev;
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ARGBEGIN {
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@ -36,13 +36,24 @@ main(int argc, char *argv[])
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if (argc != 4)
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usage();
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if (strlen(argv[1]) != 1 || !strchr("ucb", argv[1][0]))
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if (strlen(argv[1]) != 1)
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goto invalid;
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switch (argv[1][0]) {
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case 'b':
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mode |= S_IFBLK;
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break;
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case 'u':
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case 'c':
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mode |= S_IFCHR;
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break;
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default:
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invalid:
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eprintf("invalid type '%s'\n", argv[1]);
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type = (argv[1][0] == 'b') ? S_IFBLK : S_IFCHR;
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}
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dev = makedev(estrtonum(argv[2], 0, LLONG_MAX), estrtonum(argv[3], 0, LLONG_MAX));
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if (mknod(argv[0], type|mode, dev) == -1)
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if (mknod(argv[0], mode, dev) == -1)
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eprintf("mknod %s:", argv[0]);
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return 0;
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}
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