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32 lines
733 B
C
32 lines
733 B
C
#include <unistd.h> /* syscall(2), */
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#include <stdio.h> /* perror(3), fprintf(3), */
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#include <stdlib.h> /* exit(3), */
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#include <sys/syscall.h> /* SYS_lstat, */
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#include <sys/stat.h> /* struct stat, */
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#include <fcntl.h> /* AT_FDCWD */
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int main(void)
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{
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struct stat stat;
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int status;
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#if defined(SYS_lstat)
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status = syscall(SYS_lstat, "/proc/self/cwd/", &stat);
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#elif defined(SYS_newfstatat)
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status = syscall(SYS_newfstatat, AT_FDCWD, "/proc/self/cwd/", &stat, 0);
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#else
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#error "SYS_lstat and SYS_newfstatat doesn't exists"
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#endif
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if (status < 0) {
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perror("lstat()");
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exit(EXIT_FAILURE);
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}
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if (S_ISLNK(stat.st_mode)) {
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fprintf(stderr, "trailing '/' ignored\n");
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exit(EXIT_FAILURE);
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}
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exit(EXIT_SUCCESS);
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}
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