61 lines
930 B
C
61 lines
930 B
C
#include <errno.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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extern int errno;
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int main(void) {
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int fd = open("./links.c", O_RDWR);
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if(fd == -1) {
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printf("oprn error test1\n");
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return -1;
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}
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struct stat buf;
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if(fstat(fd, &buf) < 0) {
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printf("fstat error\n");
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return -1;
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}
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printf("%lu\n", buf.st_nlink);
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close(fd);
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fd = open(".", O_RDONLY);
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if(fd == -1){
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printf("open error .\n");
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return -1;
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}
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int fd2 = open("/home/eric", O_RDONLY);
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if(fd2 == -1){
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printf("open error ~\n");
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return -1;
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}
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if(linkat(fd, "links.c", fd2, "test/linksl.c", 0) < 0) {
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printf("linkat error\n");
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if(errno != 0) {
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printf("strerr: %s\n", strerror(errno));
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}
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}
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if(unlinkat(fd2, "test/linksl.c", 0) < 0) {
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printf("unlinkat error\n");
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return -1;
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}
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close(fd);
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close(fd2);
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return 0;
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}
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