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23 lines
440 B
C++
23 lines
440 B
C++
#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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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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printf("usage: realpath <path>\n");
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return 1;
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}
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char* value = realpath(argv[1], nullptr);
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if (value == nullptr) {
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printf("realpath() error: %s\n", strerror(errno));
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return 1;
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}
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printf("%s\n", value);
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free(value);
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return 0;
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}
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