diff options
Diffstat (limited to 'libgcompat/readlink.c')
-rw-r--r-- | libgcompat/readlink.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libgcompat/readlink.c b/libgcompat/readlink.c index 63def96..9b3e2dd 100644 --- a/libgcompat/readlink.c +++ b/libgcompat/readlink.c @@ -1,4 +1,5 @@ #include <dlfcn.h> +#include <errno.h> #include <fcntl.h> #include <limits.h> #include <stddef.h> @@ -18,6 +19,7 @@ ssize_t readlink(const char *path, char *buf, size_t len) if (real_readlink == NULL) { real_readlink = dlsym(RTLD_NEXT, "readlink"); if (real_readlink == NULL) { + errno = ENOSYS; return -1; } } @@ -78,6 +80,7 @@ ssize_t readlink(const char *path, char *buf, size_t len) close(fd); fail: exe[0] = '\0'; + errno = EIO; return -1; } |