44 lines
759 B
C++
44 lines
759 B
C++
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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void usage(const char* argv0, int ret)
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{
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FILE* out = (ret == 0) ? stdout : stderr;
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fprintf(out, "usage: %s MODE FILE...\n", argv0);
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fprintf(out, " Change the mode of each FILE to MODE.\n");
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exit(ret);
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}
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int main(int argc, char** argv)
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{
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if (argc <= 2)
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usage(argv[0], 1);
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int base = (argv[1][0] == '0') ? 8 : 10;
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mode_t mode = 0;
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for (const char* ptr = argv[1]; *ptr; ptr++)
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{
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if (!isdigit(*ptr))
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{
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fprintf(stderr, "Invalid MODE %s\n", argv[1]);
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usage(argv[0], 1);
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}
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mode = (mode * base) + (*ptr - '0');
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}
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int ret = 0;
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for (int i = 2; i < argc; i++)
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{
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if (chmod(argv[i], mode) == -1)
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{
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perror("chmod");
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ret = 1;
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}
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}
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return ret;
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}
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