diff options
Diffstat (limited to 'toys/posix/ln.c')
| -rw-r--r-- | toys/posix/ln.c | 86 |
1 files changed, 42 insertions, 44 deletions
diff --git a/toys/posix/ln.c b/toys/posix/ln.c index a83df7f6..bde77269 100644 --- a/toys/posix/ln.c +++ b/toys/posix/ln.c @@ -1,6 +1,4 @@ -/* vi: set sw=4 ts=4: - * - * ln.c - Create filesystem links +/* ln.c - Create filesystem links * * Copyright 2012 Andre Renaud <andre@bluewatersys.com> * @@ -9,17 +7,17 @@ USE_LN(NEWTOY(ln, "<1nfs", TOYFLAG_BIN)) config LN - bool "ln" - default y - help - usage: ln [-sf] [FROM...] TO + bool "ln" + default y + help + usage: ln [-sf] [FROM...] TO - Create a link between FROM and TO. - With only one argument, create link in current directory. + Create a link between FROM and TO. + With only one argument, create link in current directory. - -s Create a symbolic link - -f Force the creation of the link, even if TO already exists - -n Symlink at destination treated as file + -s Create a symbolic link + -f Force the creation of the link, even if TO already exists + -n Symlink at destination treated as file */ #define FOR_ln @@ -27,41 +25,41 @@ config LN void ln_main(void) { - char *dest = toys.optargs[--toys.optc], *new; - struct stat buf; - int i; + char *dest = toys.optargs[--toys.optc], *new; + struct stat buf; + int i; - // With one argument, create link in current directory. - if (!toys.optc) { - toys.optc++; - dest="."; - } + // With one argument, create link in current directory. + if (!toys.optc) { + toys.optc++; + dest="."; + } - // Is destination a directory? - if (((toys.optflags&FLAG_n) ? lstat : stat)(dest, &buf) - || !S_ISDIR(buf.st_mode)) - { - if (toys.optc>1) error_exit("'%s' not a directory"); - buf.st_mode = 0; - } + // Is destination a directory? + if (((toys.optflags&FLAG_n) ? lstat : stat)(dest, &buf) + || !S_ISDIR(buf.st_mode)) + { + if (toys.optc>1) error_exit("'%s' not a directory"); + buf.st_mode = 0; + } - for (i=0; i<toys.optc; i++) { - int rc; - char *try = toys.optargs[i]; + for (i=0; i<toys.optc; i++) { + int rc; + char *try = toys.optargs[i]; - if (S_ISDIR(buf.st_mode)) { - new = strrchr(try, '/'); - if (!new) new = try; - new = xmsprintf("%s/%s", dest, new); - } else new = dest; - /* Silently unlink the existing target. If it doesn't exist, - * then we just move on */ - if (toys.optflags & FLAG_f) unlink(new); + if (S_ISDIR(buf.st_mode)) { + new = strrchr(try, '/'); + if (!new) new = try; + new = xmsprintf("%s/%s", dest, new); + } else new = dest; + /* Silently unlink the existing target. If it doesn't exist, + * then we just move on */ + if (toys.optflags & FLAG_f) unlink(new); - rc = (toys.optflags & FLAG_s) ? symlink(try, new) : link(try, new); - if (rc) - perror_exit("cannot create %s link from '%s' to '%s'", - (toys.optflags & FLAG_s) ? "symbolic" : "hard", try, new); - if (new != dest) free(new); - } + rc = (toys.optflags & FLAG_s) ? symlink(try, new) : link(try, new); + if (rc) + perror_exit("cannot create %s link from '%s' to '%s'", + (toys.optflags & FLAG_s) ? "symbolic" : "hard", try, new); + if (new != dest) free(new); + } } |