41 строка
1.0 KiB
C
41 строка
1.0 KiB
C
#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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int main() {
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char* files[] = {"/link", "/file", "/folder"};
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char buffer[256] = {0};
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for (int i = 0; i < sizeof files / sizeof files[0]; i++) {
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printf("readlink(%s)\n", files[i]);
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printf("ret: %d\n", readlink(files[i], buffer, 256));
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printf("errno: %d\n", errno);
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printf("result: %s\n\n", buffer);
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errno = 0;
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}
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printf("symlink/overwrite\n");
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printf("ret: %d\n", symlink("new-nonexistent-path", "/link"));
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printf("errno: %d\n\n", errno);
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errno = 0;
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printf("symlink/normal\n");
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printf("ret: %d\n", symlink("new-nonexistent-path", "/folder/link"));
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printf("errno: %d\n", errno);
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errno = 0;
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printf("readlink(created link)\n");
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printf("ret: %d\n", readlink("/folder/link", buffer, 256));
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printf("errno: %d\n", errno);
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printf("result: %s\n\n", buffer);
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errno = 0;
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printf("readlink(short buffer)\n");
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printf("ret: %d\n", readlink("/link", buffer, 4));
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printf("errno: %d\n", errno);
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printf("result: %s\n", buffer);
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errno = 0;
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return 0;
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}
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