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Bash-4.4 distribution sources and documentation

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This commit is contained in:
Chet Ramey 2016-09-15 16:59:08 -04:00
commit a0c0a00fc4
588 changed files with 130746 additions and 80164 deletions
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15
examples/loadables/ln.c
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@ -46,10 +46,12 @@ typedef int unix_link_syscall_t __P((const char *, const char *));
#define LN_SYMLINK 0x01
#define LN_UNLINK 0x02
#define LN_NOFOLLOW 0x04
static unix_link_syscall_t *linkfn;
static int dolink ();
int
ln_builtin (list)
WORD_LIST *list;
{
@ -70,6 +72,10 @@ ln_builtin (list)
case 's':
flags |= LN_SYMLINK;
break;
case 'h':
case 'n':
flags |= LN_NOFOLLOW;
break;
default:
builtin_usage ();
return (EX_USAGE);
@ -138,8 +144,10 @@ mkdirpath (dir, file)
#if defined (HAVE_LSTAT)
# define LSTAT lstat
# define LSTAT_OR_STAT_IF(c, f, b) ((c) ? lstat((f), (b)) : stat((f), (b)))
#else
# define LSTAT stat
# define LSTAT_OR_STAT_IF(c, f, b) (stat((f), (b)))
#endif
static int
@ -171,7 +179,7 @@ dolink (src, dst, flags)
/* If the destination is a directory, create the final filename by appending
the basename of the source to the destination. */
dst_path = 0;
if ((stat (dst, &dsb) == 0) && S_ISDIR (dsb.st_mode))
if ((LSTAT_OR_STAT_IF((flags & LN_NOFOLLOW), dst, &dsb) == 0) && S_ISDIR (dsb.st_mode))
{
if ((p = strrchr (src, '/')) == 0)
p = src;
@ -210,7 +218,8 @@ char *ln_doc[] = {
"Create a new directory entry with the same modes as the original",
"file. The -f option means to unlink any existing file, permitting",
"the link to occur. The -s option means to create a symbolic link.",
"By default, ln makes hard links.",
"By default, ln makes hard links. Specifying -n or its synonym -h",
"causes ln to not resolve symlinks in the target file or directory.",
(char *)NULL
};
@ -221,6 +230,6 @@ struct builtin ln_struct = {
ln_builtin, /* function implementing the builtin */
BUILTIN_ENABLED, /* initial flags for builtin */
ln_doc, /* array of long documentation strings. */
"ln [-fs] file1 [file2] OR ln [-fs] file ... directory", /* usage synopsis; becomes short_doc */
"ln [-fhns] file1 [file2] OR ln [-fhns] file ... directory", /* usage synopsis; becomes short_doc */
0 /* reserved for internal use */
};