diff options
Diffstat (limited to 'lib/access.c')
| -rw-r--r-- | lib/access.c | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/lib/access.c b/lib/access.c index e2c12b1..c3bdbff 100644 --- a/lib/access.c +++ b/lib/access.c @@ -1,5 +1,5 @@ /* Test the access rights of a file. - Copyright (C) 2019-2023 Free Software Foundation, Inc. + Copyright (C) 2019-2024 Free Software Foundation, Inc. This file is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as @@ -19,13 +19,53 @@ /* Specification. */ #include <unistd.h> +#include <errno.h> #include <fcntl.h> -#include <io.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> + +#if defined _WIN32 && !defined __CYGWIN__ +# include <io.h> +#endif int access (const char *file, int mode) +#undef access { + int ret; + +#if defined _WIN32 && !defined __CYGWIN__ if ((mode & X_OK) != 0) mode = (mode & ~X_OK) | R_OK; - return _access (file, mode); + ret = _access (file, mode); +#else + ret = access (file, mode); +#endif + +#if (defined _WIN32 && !defined __CYGWIN__) || ACCESS_TRAILING_SLASH_BUG +# if defined _WIN32 && !defined __CYGWIN__ + if (ret == 0 || errno == EINVAL) +# else + if (ret == 0) +# endif + { + size_t file_len = strlen (file); + if (file_len > 0 && file[file_len - 1] == '/') + { + struct stat st; + if (stat (file, &st) == 0) + { + if (! S_ISDIR (st.st_mode)) + { + errno = ENOTDIR; + return -1; + } + } + else + return (mode == F_OK && errno == EOVERFLOW ? 0 : -1); + } + } +#endif + return ret; } |