From 1e760c0be3ed35874204114e7454509f740c0fe2 Mon Sep 17 00:00:00 2001 From: shyouhei Date: Wed, 22 Aug 2007 01:53:51 +0000 Subject: add tag v1_8_6_71 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_71@13189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ruby_1_8_6/dir.c | 2002 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 2002 insertions(+) create mode 100644 ruby_1_8_6/dir.c (limited to 'ruby_1_8_6/dir.c') diff --git a/ruby_1_8_6/dir.c b/ruby_1_8_6/dir.c new file mode 100644 index 0000000000..0dd12ffd7d --- /dev/null +++ b/ruby_1_8_6/dir.c @@ -0,0 +1,2002 @@ +/********************************************************************** + + dir.c - + + $Author$ + $Date$ + created at: Wed Jan 5 09:51:01 JST 1994 + + Copyright (C) 1993-2003 Yukihiro Matsumoto + Copyright (C) 2000 Network Applied Communication Laboratory, Inc. + Copyright (C) 2000 Information-technology Promotion Agency, Japan + +**********************************************************************/ + +#include "ruby.h" + +#include +#include + +#ifdef HAVE_UNISTD_H +#include +#endif + +#if defined HAVE_DIRENT_H && !defined _WIN32 +# include +# define NAMLEN(dirent) strlen((dirent)->d_name) +#elif defined HAVE_DIRECT_H && !defined _WIN32 +# include +# define NAMLEN(dirent) strlen((dirent)->d_name) +#else +# define dirent direct +# if !defined __NeXT__ +# define NAMLEN(dirent) (dirent)->d_namlen +# else +# /* On some versions of NextStep, d_namlen is always zero, so avoid it. */ +# define NAMLEN(dirent) strlen((dirent)->d_name) +# endif +# if HAVE_SYS_NDIR_H +# include +# endif +# if HAVE_SYS_DIR_H +# include +# endif +# if HAVE_NDIR_H +# include +# endif +# ifdef _WIN32 +# include "win32/dir.h" +# endif +#endif + +#include + +#ifndef HAVE_STDLIB_H +char *getenv(); +#endif + +#ifndef HAVE_STRING_H +char *strchr _((char*,char)); +#endif + +#include + +#include "util.h" + +#if !defined HAVE_LSTAT && !defined lstat +#define lstat stat +#endif + +#ifndef CASEFOLD_FILESYSTEM +# if defined DOSISH || defined __VMS +# define CASEFOLD_FILESYSTEM 1 +# else +# define CASEFOLD_FILESYSTEM 0 +# endif +#endif + +#define FNM_NOESCAPE 0x01 +#define FNM_PATHNAME 0x02 +#define FNM_DOTMATCH 0x04 +#define FNM_CASEFOLD 0x08 +#if CASEFOLD_FILESYSTEM +#define FNM_SYSCASE FNM_CASEFOLD +#else +#define FNM_SYSCASE 0 +#endif + +#define FNM_NOMATCH 1 +#define FNM_ERROR 2 + +#define downcase(c) (nocase && ISUPPER(c) ? tolower(c) : (c)) +#define compare(c1, c2) (((unsigned char)(c1)) - ((unsigned char)(c2))) + +/* caution: in case *p == '\0' + Next(p) == p + 1 in single byte environment + Next(p) == p in multi byte environment +*/ +#if defined(CharNext) +# define Next(p) CharNext(p) +#elif defined(DJGPP) +# define Next(p) ((p) + mblen(p, RUBY_MBCHAR_MAXSIZE)) +#elif defined(__EMX__) +# define Next(p) ((p) + emx_mblen(p)) +static inline int +emx_mblen(const char *p) +{ + int n = mblen(p, RUBY_MBCHAR_MAXSIZE); + return (n < 0) ? 1 : n; +} +#endif + +#ifndef Next /* single byte environment */ +# define Next(p) ((p) + 1) +# define Inc(p) (++(p)) +# define Compare(p1, p2) (compare(downcase(*(p1)), downcase(*(p2)))) +#else /* multi byte environment */ +# define Inc(p) ((p) = Next(p)) +# define Compare(p1, p2) (CompareImpl(p1, p2, nocase)) +static int +CompareImpl(const char *p1, const char *p2, int nocase) +{ + const int len1 = Next(p1) - p1; + const int len2 = Next(p2) - p2; +#ifdef _WIN32 + char buf1[10], buf2[10]; /* large enough? */ +#endif + + if (len1 < 0 || len2 < 0) { + rb_fatal("CompareImpl: negative len"); + } + + if (len1 == 0) return len2; + if (len2 == 0) return -len1; + +#ifdef _WIN32 + if (nocase && rb_w32_iswinnt()) { + if (len1 > 1) { + if (len1 >= sizeof(buf1)) { + rb_fatal("CompareImpl: too large len"); + } + memcpy(buf1, p1, len1); + buf1[len1] = '\0'; + CharLower(buf1); + p1 = buf1; /* trick */ + } + if (len2 > 1) { + if (len2 >= sizeof(buf2)) { + rb_fatal("CompareImpl: too large len"); + } + memcpy(buf2, p2, len2); + buf2[len2] = '\0'; + CharLower(buf2); + p2 = buf2; /* trick */ + } + } +#endif + if (len1 == 1) + if (len2 == 1) + return compare(downcase(*p1), downcase(*p2)); + else { + const int ret = compare(downcase(*p1), *p2); + return ret ? ret : -1; + } + else + if (len2 == 1) { + const int ret = compare(*p1, downcase(*p2)); + return ret ? ret : 1; + } + else { + const int ret = memcmp(p1, p2, len1 < len2 ? len1 : len2); + return ret ? ret : len1 - len2; + } +} +#endif /* environment */ + +static char * +bracket(p, s, flags) + const char *p; /* pattern (next to '[') */ + const char *s; /* string */ + int flags; +{ + const int nocase = flags & FNM_CASEFOLD; + const int escape = !(flags & FNM_NOESCAPE); + + int ok = 0, not = 0; + + if (*p == '!' || *p == '^') { + not = 1; + p++; + } + + while (*p != ']') { + const char *t1 = p; + if (escape && *t1 == '\\') + t1++; + if (!*t1) + return NULL; + p = Next(t1); + if (p[0] == '-' && p[1] != ']') { + const char *t2 = p + 1; + if (escape && *t2 == '\\') + t2++; + if (!*t2) + return NULL; + p = Next(t2); + if (!ok && Compare(t1, s) <= 0 && Compare(s, t2) <= 0) + ok = 1; + } + else + if (!ok && Compare(t1, s) == 0) + ok = 1; + } + + return ok == not ? NULL : (char *)p + 1; +} + +/* If FNM_PATHNAME is set, only path element will be matched. (upto '/' or '\0') + Otherwise, entire string will be matched. + End marker itself won't be compared. + And if function succeeds, *pcur reaches end marker. +*/ +#define UNESCAPE(p) (escape && *(p) == '\\' ? (p) + 1 : (p)) +#define ISEND(p) (!*(p) || (pathname && *(p) == '/')) +#define RETURN(val) return *pcur = p, *scur = s, (val); + +static int +fnmatch_helper(pcur, scur, flags) + const char **pcur; /* pattern */ + const char **scur; /* string */ + int flags; +{ + const int period = !(flags & FNM_DOTMATCH); + const int pathname = flags & FNM_PATHNAME; + const int escape = !(flags & FNM_NOESCAPE); + const int nocase = flags & FNM_CASEFOLD; + + const char *ptmp = 0; + const char *stmp = 0; + + const char *p = *pcur; + const char *s = *scur; + + if (period && *s == '.' && *UNESCAPE(p) != '.') /* leading period */ + RETURN(FNM_NOMATCH); + + while (1) { + switch (*p) { + case '*': + do { p++; } while (*p == '*'); + if (ISEND(UNESCAPE(p))) { + p = UNESCAPE(p); + RETURN(0); + } + if (ISEND(s)) + RETURN(FNM_NOMATCH); + ptmp = p; + stmp = s; + continue; + + case '?': + if (ISEND(s)) + RETURN(FNM_NOMATCH); + p++; + Inc(s); + continue; + + case '[': { + const char *t; + if (ISEND(s)) + RETURN(FNM_NOMATCH); + if (t = bracket(p + 1, s, flags)) { + p = t; + Inc(s); + continue; + } + goto failed; + } + } + + /* ordinary */ + p = UNESCAPE(p); + if (ISEND(s)) + RETURN(ISEND(p) ? 0 : FNM_NOMATCH); + if (ISEND(p)) + goto failed; + if (Compare(p, s) != 0) + goto failed; + Inc(p); + Inc(s); + continue; + + failed: /* try next '*' position */ + if (ptmp && stmp) { + p = ptmp; + Inc(stmp); /* !ISEND(*stmp) */ + s = stmp; + continue; + } + RETURN(FNM_NOMATCH); + } +} + +static int +fnmatch(p, s, flags) + const char *p; /* pattern */ + const char *s; /* string */ + int flags; +{ + const int period = !(flags & FNM_DOTMATCH); + const int pathname = flags & FNM_PATHNAME; + + const char *ptmp = 0; + const char *stmp = 0; + + if (pathname) { + while (1) { + if (p[0] == '*' && p[1] == '*' && p[2] == '/') { + do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/'); + ptmp = p; + stmp = s; + } + if (fnmatch_helper(&p, &s, flags) == 0) { + while (*s && *s != '/') Inc(s); + if (*p && *s) { + p++; + s++; + continue; + } + if (!*p && !*s) + return 0; + } + /* failed : try next recursion */ + if (ptmp && stmp && !(period && *stmp == '.')) { + while (*stmp && *stmp != '/') Inc(stmp); + if (*stmp) { + p = ptmp; + stmp++; + s = stmp; + continue; + } + } + return FNM_NOMATCH; + } + } + else + return fnmatch_helper(&p, &s, flags); +} + +VALUE rb_cDir; + +struct dir_data { + DIR *dir; + char *path; +}; + +static void +free_dir(dir) + struct dir_data *dir; +{ + if (dir) { + if (dir->dir) closedir(dir->dir); + if (dir->path) free(dir->path); + } + free(dir); +} + +static VALUE dir_close _((VALUE)); + +static VALUE dir_s_alloc _((VALUE)); +static VALUE +dir_s_alloc(klass) + VALUE klass; +{ + struct dir_data *dirp; + VALUE obj = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dirp); + + dirp->dir = NULL; + dirp->path = NULL; + + return obj; +} + +/* + * call-seq: + * Dir.new( string ) -> aDir + * + * Returns a new directory object for the named directory. + */ +static VALUE +dir_initialize(dir, dirname) + VALUE dir, dirname; +{ + struct dir_data *dp; + + SafeStringValue(dirname); + Data_Get_Struct(dir, struct dir_data, dp); + if (dp->dir) closedir(dp->dir); + if (dp->path) free(dp->path); + dp->dir = NULL; + dp->path = NULL; + dp->dir = opendir(RSTRING(dirname)->ptr); + if (dp->dir == NULL) { + if (errno == EMFILE || errno == ENFILE) { + rb_gc(); + dp->dir = opendir(RSTRING(dirname)->ptr); + } + if (dp->dir == NULL) { + rb_sys_fail(RSTRING(dirname)->ptr); + } + } + dp->path = strdup(RSTRING(dirname)->ptr); + + return dir; +} + +/* + * call-seq: + * Dir.open( string ) => aDir + * Dir.open( string ) {| aDir | block } => anObject + * + * With no block, open is a synonym for + * Dir::new. If a block is present, it is passed + * aDir as a parameter. The directory is closed at the end of + * the block, and Dir::open returns the value of the + * block. + */ + +static VALUE +dir_s_open(klass, dirname) + VALUE klass, dirname; +{ + struct dir_data *dp; + VALUE dir = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dp); + + dir_initialize(dir, dirname); + if (rb_block_given_p()) { + return rb_ensure(rb_yield, dir, dir_close, dir); + } + + return dir; +} + +static void +dir_closed() +{ + rb_raise(rb_eIOError, "closed directory"); +} + +static void +dir_check(dir) + VALUE dir; +{ + if (!OBJ_TAINTED(dir) && rb_safe_level() >= 4) + rb_raise(rb_eSecurityError, "Insecure: operation on untainted Dir"); + rb_check_frozen(dir); +} + +#define GetDIR(obj, dirp) do {\ + dir_check(dir);\ + Data_Get_Struct(obj, struct dir_data, dirp);\ + if (dirp->dir == NULL) dir_closed();\ +} while (0) + +/* + * call-seq: + * dir.inspect => string + * + * Return a string describing this Dir object. + */ +static VALUE +dir_inspect(dir) + VALUE dir; +{ + struct dir_data *dirp; + + GetDIR(dir, dirp); + if (dirp->path) { + char *c = rb_obj_classname(dir); + int len = strlen(c) + strlen(dirp->path) + 4; + VALUE s = rb_str_new(0, len); + snprintf(RSTRING_PTR(s), len+1, "#<%s:%s>", c, dirp->path); + return s; + } + return rb_funcall(dir, rb_intern("to_s"), 0, 0); +} + +/* + * call-seq: + * dir.path => string or nil + * + * Returns the path parameter passed to dir's constructor. + * + * d = Dir.new("..") + * d.path #=> ".." + */ +static VALUE +dir_path(dir) + VALUE dir; +{ + struct dir_data *dirp; + + GetDIR(dir, dirp); + if (!dirp->path) return Qnil; + return rb_str_new2(dirp->path); +} + +/* + * call-seq: + * dir.read => string or nil + * + * Reads the next entry from dir and returns it as a string. + * Returns nil at the end of the stream. + * + * d = Dir.new("testdir") + * d.read #=> "." + * d.read #=> ".." + * d.read #=> "config.h" + */ +static VALUE +dir_read(dir) + VALUE dir; +{ + struct dir_data *dirp; + struct dirent *dp; + + GetDIR(dir, dirp); + errno = 0; + dp = readdir(dirp->dir); + if (dp) { + return rb_tainted_str_new(dp->d_name, NAMLEN(dp)); + } + else if (errno == 0) { /* end of stream */ + return Qnil; + } + else { + rb_sys_fail(0); + } + return Qnil; /* not reached */ +} + +/* + * call-seq: + * dir.each { |filename| block } => dir + * + * Calls the block once for each entry in this directory, passing the + * filename of each entry as a parameter to the block. + * + * d = Dir.new("testdir") + * d.each {|x| puts "Got #{x}" } + * + * produces: + * + * Got . + * Got .. + * Got config.h + * Got main.rb + */ +static VALUE +dir_each(dir) + VALUE dir; +{ + struct dir_data *dirp; + struct dirent *dp; + + GetDIR(dir, dirp); + rewinddir(dirp->dir); + for (dp = readdir(dirp->dir); dp != NULL; dp = readdir(dirp->dir)) { + rb_yield(rb_tainted_str_new(dp->d_name, NAMLEN(dp))); + if (dirp->dir == NULL) dir_closed(); + } + return dir; +} + +/* + * call-seq: + * dir.pos => integer + * dir.tell => integer + * + * Returns the current position in dir. See also + * Dir#seek. + * + * d = Dir.new("testdir") + * d.tell #=> 0 + * d.read #=> "." + * d.tell #=> 12 + */ +static VALUE +dir_tell(dir) + VALUE dir; +{ +#ifdef HAVE_TELLDIR + struct dir_data *dirp; + long pos; + + GetDIR(dir, dirp); + pos = telldir(dirp->dir); + return rb_int2inum(pos); +#else + rb_notimplement(); +#endif +} + +/* + * call-seq: + * dir.seek( integer ) => dir + * + * Seeks to a particular location in dir. integer + * must be a value returned by Dir#tell. + * + * d = Dir.new("testdir") #=> # + * d.read #=> "." + * i = d.tell #=> 12 + * d.read #=> ".." + * d.seek(i) #=> # + * d.read #=> ".." + */ +static VALUE +dir_seek(dir, pos) + VALUE dir, pos; +{ + struct dir_data *dirp; + off_t p = NUM2OFFT(pos); + + GetDIR(dir, dirp); +#ifdef HAVE_SEEKDIR + seekdir(dirp->dir, p); + return dir; +#else + rb_notimplement(); +#endif +} + +/* + * call-seq: + * dir.pos( integer ) => integer + * + * Synonym for Dir#seek, but returns the position + * parameter. + * + * d = Dir.new("testdir") #=> # + * d.read #=> "." + * i = d.pos #=> 12 + * d.read #=> ".." + * d.pos = i #=> 12 + * d.read #=> ".." + */ +static VALUE +dir_set_pos(dir, pos) + VALUE dir, pos; +{ + dir_seek(dir, pos); + return pos; +} + +/* + * call-seq: + * dir.rewind => dir + * + * Repositions dir to the first entry. + * + * d = Dir.new("testdir") + * d.read #=> "." + * d.rewind #=> # + * d.read #=> "." + */ +static VALUE +dir_rewind(dir) + VALUE dir; +{ + struct dir_data *dirp; + + if (rb_safe_level() >= 4 && !OBJ_TAINTED(dir)) { + rb_raise(rb_eSecurityError, "Insecure: can't close"); + } + GetDIR(dir, dirp); + rewinddir(dirp->dir); + return dir; +} + +/* + * call-seq: + * dir.close => nil + * + * Closes the directory stream. Any further attempts to access + * dir will raise an IOError. + * + * d = Dir.new("testdir") + * d.close #=> nil + */ +static VALUE +dir_close(dir) + VALUE dir; +{ + struct dir_data *dirp; + + GetDIR(dir, dirp); + closedir(dirp->dir); + dirp->dir = NULL; + + return Qnil; +} + +static void +dir_chdir(path) + VALUE path; +{ + if (chdir(RSTRING(path)->ptr) < 0) + rb_sys_fail(RSTRING(path)->ptr); +} + +static int chdir_blocking = 0; +static VALUE chdir_thread = Qnil; + +struct chdir_data { + VALUE old_path, new_path; + int done; +}; + +static VALUE +chdir_yield(args) + struct chdir_data *args; +{ + dir_chdir(args->new_path); + args->done = Qtrue; + chdir_blocking++; + if (chdir_thread == Qnil) + chdir_thread = rb_thread_current(); + return rb_yield(args->new_path); +} + +static VALUE +chdir_restore(args) + struct chdir_data *args; +{ + if (args->done) { + chdir_blocking--; + if (chdir_blocking == 0) + chdir_thread = Qnil; + dir_chdir(args->old_path); + } + return Qnil; +} + +/* + * call-seq: + * Dir.chdir( [ string] ) => 0 + * Dir.chdir( [ string] ) {| path | block } => anObject + * + * Changes the current working directory of the process to the given + * string. When called without an argument, changes the directory to + * the value of the environment variable HOME, or + * LOGDIR. SystemCallError (probably + * Errno::ENOENT) if the target directory does not exist. + * + * If a block is given, it is passed the name of the new current + * directory, and the block is executed with that as the current + * directory. The original working directory is restored when the block + * exits. The return value of chdir is the value of the + * block. chdir blocks can be nested, but in a + * multi-threaded program an error will be raised if a thread attempts + * to open a chdir block while another thread has one + * open. + * + * Dir.chdir("/var/spool/mail") + * puts Dir.pwd + * Dir.chdir("/tmp") do + * puts Dir.pwd + * Dir.chdir("/usr") do + * puts Dir.pwd + * end + * puts Dir.pwd + * end + * puts Dir.pwd + * + * produces: + * + * /var/spool/mail + * /tmp + * /usr + * /tmp + * /var/spool/mail + */ +static VALUE +dir_s_chdir(argc, argv, obj) + int argc; + VALUE *argv; + VALUE obj; +{ + VALUE path = Qnil; + + rb_secure(2); + if (rb_scan_args(argc, argv, "01", &path) == 1) { + SafeStringValue(path); + } + else { + const char *dist = getenv("HOME"); + if (!dist) { + dist = getenv("LOGDIR"); + if (!dist) rb_raise(rb_eArgError, "HOME/LOGDIR not set"); + } + path = rb_str_new2(dist); + } + + if (chdir_blocking > 0) { + if (!rb_block_given_p() || rb_thread_current() != chdir_thread) + rb_warn("conflicting chdir during another chdir block"); + } + + if (rb_block_given_p()) { + struct chdir_data args; + char *cwd = my_getcwd(); + + args.old_path = rb_tainted_str_new2(cwd); free(cwd); + args.new_path = path; + args.done = Qfalse; + return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args); + } + dir_chdir(path); + + return INT2FIX(0); +} + +/* + * call-seq: + * Dir.getwd => string + * Dir.pwd => string + * + * Returns the path to the current working directory of this process as + * a string. + * + * Dir.chdir("/tmp") #=> 0 + * Dir.getwd #=> "/tmp" + */ +static VALUE +dir_s_getwd(dir) + VALUE dir; +{ + char *path; + VALUE cwd; + + rb_secure(4); + path = my_getcwd(); + cwd = rb_tainted_str_new2(path); + + free(path); + return cwd; +} + +static void check_dirname _((volatile VALUE *)); +static void +check_dirname(dir) + volatile VALUE *dir; +{ + char *path, *pend; + + SafeStringValue(*dir); + rb_secure(2); + path = RSTRING(*dir)->ptr; + if (path && *(pend = rb_path_end(rb_path_skip_prefix(path)))) { + *dir = rb_str_new(path, pend - path); + } +} + +/* + * call-seq: + * Dir.chroot( string ) => 0 + * + * Changes this process's idea of the file system root. Only a + * privileged process may make this call. Not available on all + * platforms. On Unix systems, see chroot(2) for more + * information. + */ +static VALUE +dir_s_chroot(dir, path) + VALUE dir, path; +{ +#if defined(HAVE_CHROOT) && !defined(__CHECKER__) + check_dirname(&path); + + if (chroot(RSTRING(path)->ptr) == -1) + rb_sys_fail(RSTRING(path)->ptr); + + return INT2FIX(0); +#else + rb_notimplement(); + return Qnil; /* not reached */ +#endif +} + +/* + * call-seq: + * Dir.mkdir( string [, integer] ) => 0 + * + * Makes a new directory named by string, with permissions + * specified by the optional parameter anInteger. The + * permissions may be modified by the value of + * File::umask, and are ignored on NT. Raises a + * SystemCallError if the directory cannot be created. See + * also the discussion of permissions in the class documentation for + * File. + * + */ +static VALUE +dir_s_mkdir(argc, argv, obj) + int argc; + VALUE *argv; + VALUE obj; +{ + VALUE path, vmode; + int mode; + + if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) { + mode = NUM2INT(vmode); + } + else { + mode = 0777; + } + + check_dirname(&path); + if (mkdir(RSTRING(path)->ptr, mode) == -1) + rb_sys_fail(RSTRING(path)->ptr); + + return INT2FIX(0); +} + +/* + * call-seq: + * Dir.delete( string ) => 0 + * Dir.rmdir( string ) => 0 + * Dir.unlink( string ) => 0 + * + * Deletes the named directory. Raises a subclass of + * SystemCallError if the directory isn't empty. + */ +static VALUE +dir_s_rmdir(obj, dir) + VALUE obj, dir; +{ + check_dirname(&dir); + if (rmdir(RSTRING(dir)->ptr) < 0) + rb_sys_fail(RSTRING(dir)->ptr); + + return INT2FIX(0); +} + +static void +sys_warning_1(mesg) + const char* mesg; +{ + rb_sys_warning("%s", mesg); +} + +#define GLOB_VERBOSE (1UL << (sizeof(int) * CHAR_BIT - 1)) +#define sys_warning(val) \ + (void)((flags & GLOB_VERBOSE) && rb_protect((VALUE (*)_((VALUE)))sys_warning_1, (VALUE)(val), 0)) + +#define GLOB_ALLOC(type) (type *)malloc(sizeof(type)) +#define GLOB_ALLOC_N(type, n) (type *)malloc(sizeof(type) * (n)) +#define GLOB_JUMP_TAG(status) ((status == -1) ? rb_memerror() : rb_jump_tag(status)) + +/* + * ENOTDIR can be returned by stat(2) if a non-leaf element of the path + * is not a directory. + */ +#define to_be_ignored(e) ((e) == ENOENT || (e) == ENOTDIR) + +/* System call with warning */ +static int +do_stat(const char *path, struct stat *pst, int flags) + +{ + int ret = stat(path, pst); + if (ret < 0 && !to_be_ignored(errno)) + sys_warning(path); + + return ret; +} + +static int +do_lstat(const char *path, struct stat *pst, int flags) +{ + int ret = lstat(path, pst); + if (ret < 0 && !to_be_ignored(errno)) + sys_warning(path); + + return ret; +} + +static DIR * +do_opendir(const char *path, int flags) +{ + DIR *dirp = opendir(path); + if (dirp == NULL && !to_be_ignored(errno)) + sys_warning(path); + + return dirp; +} + +/* Return nonzero if S has any special globbing chars in it. */ +static int +has_magic(s, flags) + const char *s; + int flags; +{ + const int escape = !(flags & FNM_NOESCAPE); + const int nocase = flags & FNM_CASEFOLD; + + register const char *p = s; + register char c; + + while (c = *p++) { + switch (c) { + case '*': + case '?': + case '[': + return 1; + + case '\\': + if (escape && !(c = *p++)) + return 0; + continue; + + default: + if (!FNM_SYSCASE && ISALPHA(c) && nocase) + return 1; + } + + p = Next(p-1); + } + + return 0; +} + +/* Find separator in globbing pattern. */ +static char * +find_dirsep(const char *s, int flags) +{ + const int escape = !(flags & FNM_NOESCAPE); + + register const char *p = s; + register char c; + int open = 0; + + while (c = *p++) { + switch (c) { + case '[': + open = 1; + continue; + case ']': + open = 0; + continue; + + case '/': + if (!open) + return (char *)p-1; + continue; + + case '\\': + if (escape && !(c = *p++)) + return (char *)p-1; + continue; + } + + p = Next(p-1); + } + + return (char *)p-1; +} + +/* Remove escaping backslashes */ +static void +remove_backslashes(p) + char *p; +{ + char *t = p; + char *s = p; + + while (*p) { + if (*p == '\\') { + if (t != s) + memmove(t, s, p - s); + t += p - s; + s = ++p; + if (!*p) break; + } + Inc(p); + } + + while (*p++); + + if (t != s) + memmove(t, s, p - s); /* move '\0' too */ +} + +/* Globing pattern */ +enum glob_pattern_type { PLAIN, MAGICAL, RECURSIVE, MATCH_ALL, MATCH_DIR }; + +struct glob_pattern { + char *str; + enum glob_pattern_type type; + struct glob_pattern *next; +}; + +static void glob_free_pattern(struct glob_pattern *list); + +static struct glob_pattern * +glob_make_pattern(const char *p, int flags) +{ + struct glob_pattern *list, *tmp, **tail = &list; + int dirsep = 0; /* pattern is terminated with '/' */ + + while (*p) { + tmp = GLOB_ALLOC(struct glob_pattern); + if (!tmp) goto error; + if (p[0] == '*' && p[1] == '*' && p[2] == '/') { + /* fold continuous RECURSIVEs (needed in glob_helper) */ + do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/'); + tmp->type = RECURSIVE; + tmp->str = 0; + dirsep = 1; + } + else { + const char *m = find_dirsep(p, flags); + char *buf = GLOB_ALLOC_N(char, m-p+1); + if (!buf) { + free(tmp); + goto error; + } + memcpy(buf, p, m-p); + buf[m-p] = '\0'; + tmp->type = has_magic(buf, flags) ? MAGICAL : PLAIN; + tmp->str = buf; + if (*m) { + dirsep = 1; + p = m + 1; + } + else { + dirsep = 0; + p = m; + } + } + *tail = tmp; + tail = &tmp->next; + } + + tmp = GLOB_ALLOC(struct glob_pattern); + if (!tmp) { + error: + *tail = 0; + glob_free_pattern(list); + return 0; + } + tmp->type = dirsep ? MATCH_DIR : MATCH_ALL; + tmp->str = 0; + *tail = tmp; + tmp->next = 0; + + return list; +} + +static void +glob_free_pattern(struct glob_pattern *list) +{ + while (list) { + struct glob_pattern *tmp = list; + list = list->next; + if (tmp->str) + free(tmp->str); + free(tmp); + } +} + +static char * +join_path(const char *path, int dirsep, const char *name) +{ + long len = strlen(path); + char *buf = GLOB_ALLOC_N(char, len+strlen(name)+(dirsep?1:0)+1); + + if (!buf) return 0; + memcpy(buf, path, len); + if (dirsep) { + strcpy(buf+len, "/"); + len++; + } + strcpy(buf+len, name); + return buf; +} + +enum answer { YES, NO, UNKNOWN }; + +#ifndef S_ISLNK +# ifndef S_IFLNK +# define S_ISLNK(m) (0) +# else +# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) +# endif +#endif + +#ifndef S_ISDIR +# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) +#endif + +struct glob_args { + void (*func) _((const char*, VALUE)); + const char *c; + VALUE v; +}; + +static VALUE glob_func_caller _((VALUE)); + +static VALUE +glob_func_caller(val) + VALUE val; +{ + struct glob_args *args = (struct glob_args *)val; + + (*args->func)(args->c, args->v); + return Qnil; +} + +#define glob_call_func(func, path, arg) (*func)(path, arg) + +static int glob_helper _((const char *, int, enum answer, enum answer, struct glob_pattern **, struct glob_pattern **, int, ruby_glob_func *, VALUE)); + +static int +glob_helper(path, dirsep, exist, isdir, beg, end, flags, func, arg) + const char *path; + int dirsep; /* '/' should be placed before appending child entry's name to 'path'. */ + enum answer exist; /* Does 'path' indicate an existing entry? */ + enum answer isdir; /* Does 'path' indicate a directory or a symlink to a directory? */ + struct glob_pattern **beg; + struct glob_pattern **end; + int flags; + ruby_glob_func *func; + VALUE arg; +{ + struct stat st; + int status = 0; + struct glob_pattern **cur, **new_beg, **new_end; + int plain = 0, magical = 0, recursive = 0, match_all = 0, match_dir = 0; + int escape = !(flags & FNM_NOESCAPE); + + for (cur = beg; cur < end; ++cur) { + struct glob_pattern *p = *cur; + if (p->type == RECURSIVE) { + recursive = 1; + p = p->next; + } + switch (p->type) { + case PLAIN: + plain = 1; + break; + case MAGICAL: + magical = 1; + break; + case MATCH_ALL: + match_all = 1; + break; + case MATCH_DIR: + match_dir = 1; + break; + case RECURSIVE: + rb_bug("continuous RECURSIVEs"); + } + } + + if (*path) { + if (match_all && exist == UNKNOWN) { + if (do_lstat(path, &st, flags) == 0) { + exist = YES; + isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO; + } + else { + exist = NO; + isdir = NO; + } + } + if (match_dir && isdir == UNKNOWN) { + if (do_stat(path, &st, flags) == 0) { + exist = YES; + isdir = S_ISDIR(st.st_mode) ? YES : NO; + } + else { + exist = NO; + isdir = NO; + } + } + if (match_all && exist == YES) { + status = glob_call_func(func, path, arg); + if (status) return status; + } + if (match_dir && isdir == YES) { + char *tmp = join_path(path, dirsep, ""); + if (!tmp) return -1; + status = glob_call_func(func, tmp, arg); + free(tmp); + if (status) return status; + } + } + + if (exist == NO || isdir == NO) return 0; + + if (magical || recursive) { + struct dirent *dp; + DIR *dirp = do_opendir(*path ? path : ".", flags); + if (dirp == NULL) return 0; + + for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) { + char *buf = join_path(path, dirsep, dp->d_name); + enum answer new_isdir = UNKNOWN; + + if (!buf) { + status = -1; + break; + } + if (recursive && strcmp(dp->d_name, ".") != 0 && strcmp(dp->d_name, "..") != 0 + && fnmatch("*", dp->d_name, flags) == 0) { +#ifndef _WIN32 + if (do_lstat(buf, &st, flags) == 0) + new_isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO; + else + new_isdir = NO; +#else + new_isdir = dp->d_isdir ? (!dp->d_isrep ? YES : UNKNOWN) : NO; +#endif + } + + new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, (end - beg) * 2); + if (!new_beg) { + status = -1; + break; + } + + for (cur = beg; cur < end; ++cur) { + struct glob_pattern *p = *cur; + if (p->type == RECURSIVE) { + if (new_isdir == YES) /* not symlink but real directory */ + *new_end++ = p; /* append recursive pattern */ + p = p->next; /* 0 times recursion */ + } + if (p->type == PLAIN || p->type == MAGICAL) { + if (fnmatch(p->str, dp->d_name, flags) == 0) + *new_end++ = p->next; + } + } + + status = glob_helper(buf, 1, YES, new_isdir, new_beg, new_end, flags, func, arg); + free(buf); + free(new_beg); + if (status) break; + } + + closedir(dirp); + } + else if (plain) { + struct glob_pattern **copy_beg, **copy_end, **cur2; + + copy_beg = copy_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg); + if (!copy_beg) return -1; + for (cur = beg; cur < end; ++cur) + *copy_end++ = (*cur)->type == PLAIN ? *cur : 0; + + for (cur = copy_beg; cur < copy_end; ++cur) { + if (*cur) { + char *buf; + char *name; + name = GLOB_ALLOC_N(char, strlen((*cur)->str) + 1); + if (!name) { + status = -1; + break; + } + strcpy(name, (*cur)->str); + if (escape) remove_backslashes(name); + + new_beg = new_end = GLOB_ALLOC_N(struct glob_pattern *, end - beg); + if (!new_beg) { + free(name); + status = -1; + break; + } + *new_end++ = (*cur)->next; + for (cur2 = cur + 1; cur2 < copy_end; ++cur2) { + if (*cur2 && fnmatch((*cur2)->str, name, flags) == 0) { + *new_end++ = (*cur2)->next; + *cur2 = 0; + } + } + + buf = join_path(path, dirsep, name); + free(name); + if (!buf) { + free(new_beg); + status = -1; + break; + } + status = glob_helper(buf, 1, UNKNOWN, UNKNOWN, new_beg, new_end, flags, func, arg); + free(buf); + free(new_beg); + if (status) break; + } + } + + free(copy_beg); + } + + return status; +} + +static int +ruby_glob0(path, flags, func, arg) + const char *path; + int flags; + ruby_glob_func *func; + VALUE arg; +{ + struct glob_pattern *list; + const char *root, *start; + char *buf; + int n; + int status; + + start = root = path; + flags |= FNM_SYSCASE; +#if defined DOSISH + root = rb_path_skip_prefix(root); +#endif + + if (root && *root == '/') root++; + + n = root - start; + buf = GLOB_ALLOC_N(char, n + 1); + if (!buf) return -1; + MEMCPY(buf, start, char, n); + buf[n] = '\0'; + + list = glob_make_pattern(root, flags); + if (!list) { + free(buf); + return -1; + } + status = glob_helper(buf, 0, UNKNOWN, UNKNOWN, &list, &list + 1, flags, func, arg); + glob_free_pattern(list); + free(buf); + + return status; +} + +int +ruby_glob(path, flags, func, arg) + const char *path; + int flags; + ruby_glob_func *func; + VALUE arg; +{ + return ruby_glob0(path, flags & ~GLOB_VERBOSE, func, arg); +} + +static int rb_glob_caller _((const char *, VALUE)); + +static int +rb_glob_caller(path, a) + const char *path; + VALUE a; +{ + int status; + struct glob_args *args = (struct glob_args *)a; + + args->c = path; + rb_protect(glob_func_caller, a, &status); + return status; +} + +static int +rb_glob2(path, flags, func, arg) + const char *path; + int flags; + void (*func) _((const char *, VALUE)); + VALUE arg; +{ + struct glob_args args; + + args.func = func; + args.v = arg; + + if (flags & FNM_SYSCASE) { + rb_warning("Dir.glob() ignores File::FNM_CASEFOLD"); + } + + return ruby_glob0(path, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args); +} + +void +rb_glob(path, func, arg) + const char *path; + void (*func) _((const char*, VALUE)); + VALUE arg; +{ + int status = rb_glob2(path, 0, func, arg); + if (status) GLOB_JUMP_TAG(status); +} + +static void push_pattern _((const char* path, VALUE ary)); +static void +push_pattern(path, ary) + const char *path; + VALUE ary; +{ + rb_ary_push(ary, rb_tainted_str_new2(path)); +} + +int +ruby_brace_expand(str, flags, func, arg) + const char *str; + int flags; + ruby_glob_func *func; + VALUE arg; +{ + const int escape = !(flags & FNM_NOESCAPE); + const char *p = str; + const char *s = p; + const char *lbrace = 0, *rbrace = 0; + int nest = 0, status = 0; + + while (*p) { + if (*p == '{' && nest++ == 0) { + lbrace = p; + } + if (*p == '}' && --nest <= 0) { + rbrace = p; + break; + } + if (*p == '\\' && escape) { + if (!*++p) break; + } + Inc(p); + } + + if (lbrace && rbrace) { + char *buf = GLOB_ALLOC_N(char, strlen(s) + 1); + long shift; + + if (!buf) return -1; + memcpy(buf, s, lbrace-s); + shift = (lbrace-s); + p = lbrace; + while (p < rbrace) { + const char *t = ++p; + nest = 0; + while (p < rbrace && !(*p == ',' && nest == 0)) { + if (*p == '{') nest++; + if (*p == '}') nest--; + if (*p == '\\' && escape) { + if (++p == rbrace) break; + } + Inc(p); + } + memcpy(buf+shift, t, p-t); + strcpy(buf+shift+(p-t), rbrace+1); + status = ruby_brace_expand(buf, flags, func, arg); + if (status) break; + } + free(buf); + } + else if (!lbrace && !rbrace) { + status = (*func)(s, arg); + } + + return status; +} + +struct brace_args { + ruby_glob_func *func; + VALUE value; + int flags; +}; + +static int glob_brace _((const char *, VALUE)); +static int +glob_brace(path, val) + const char *path; + VALUE val; +{ + struct brace_args *arg = (struct brace_args *)val; + + return ruby_glob0(path, arg->flags, arg->func, arg->value); +} + +static int +ruby_brace_glob0(str, flags, func, arg) + const char *str; + int flags; + ruby_glob_func *func; + VALUE arg; +{ + struct brace_args args; + + args.func = func; + args.value = arg; + args.flags = flags; + return ruby_brace_expand(str, flags, glob_brace, (VALUE)&args); +} + +int +ruby_brace_glob(str, flags, func, arg) + const char *str; + int flags; + ruby_glob_func *func; + VALUE arg; +{ + return ruby_brace_glob0(str, flags & ~GLOB_VERBOSE, func, arg); +} + +static int +push_glob(VALUE ary, const char *str, int flags) +{ + struct glob_args args; + + args.func = push_pattern; + args.v = ary; + return ruby_brace_glob0(str, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args); +} + +static VALUE +rb_push_glob(str, flags) /* '\0' is delimiter */ + VALUE str; + int flags; +{ + long offset = 0; + VALUE ary; + + ary = rb_ary_new(); + SafeStringValue(str); + + while (offset < RSTRING_LEN(str)) { + int status = push_glob(ary, RSTRING(str)->ptr + offset, flags); + char *p, *pend; + if (status) GLOB_JUMP_TAG(status); + if (offset >= RSTRING_LEN(str)) break; + p = RSTRING(str)->ptr + offset; + p += strlen(p) + 1; + pend = RSTRING(str)->ptr + RSTRING_LEN(str); + while (p < pend && !*p) + p++; + offset = p - RSTRING(str)->ptr; + } + + return ary; +} + +static VALUE +dir_globs(argc, argv, flags) + long argc; + VALUE *argv; + int flags; +{ + VALUE ary = rb_ary_new(); + long i; + + for (i = 0; i < argc; ++i) { + int status; + VALUE str = argv[i]; + StringValue(str); + status = push_glob(ary, RSTRING(str)->ptr, flags); + if (status) GLOB_JUMP_TAG(status); + } + + return ary; +} + +/* + * call-seq: + * Dir[ array ] => array + * Dir[ string [, string ...] ] => array + * + * Equivalent to calling + * Dir.glob(array,0) and + * Dir.glob([string,...],0). + * + */ +static VALUE +dir_s_aref(int argc, VALUE *argv, VALUE obj) + { + if (argc == 1) { + return rb_push_glob(argv[0], 0); + } + return dir_globs(argc, argv, 0); + } + +/* + * call-seq: + * Dir.glob( pattern, [flags] ) => array + * Dir.glob( pattern, [flags] ) {| filename | block } => nil + * + * Returns the filenames found by expanding pattern which is + * an +Array+ of the patterns or the pattern +String+, either as an + * array or as parameters to the block. Note that this pattern + * is not a regexp (it's closer to a shell glob). See + * File::fnmatch for the meaning of the flags + * parameter. Note that case sensitivity depends on your system (so + * File::FNM_CASEFOLD is ignored) + * + * *:: Matches any file. Can be restricted by + * other values in the glob. * + * will match all files; c* will + * match all files beginning with + * c; *c will match + * all files ending with c; and + * *c* will match all files that + * have c in them (including at + * the beginning or end). Equivalent to + * / .* /x in regexp. + * **:: Matches directories recursively. + * ?:: Matches any one character. Equivalent to + * /.{1}/ in regexp. + * [set]:: Matches any one character in +set+. + * Behaves exactly like character sets in + * Regexp, including set negation + * ([^a-z]). + * {p,q}:: Matches either literal p or + * literal q. Matching literals + * may be more than one character in length. + * More than two literals may be specified. + * Equivalent to pattern alternation in + * regexp. + * \:: Escapes the next metacharacter. + * + * Dir["config.?"] #=> ["config.h"] + * Dir.glob("config.?") #=> ["config.h"] + * Dir.glob("*.[a-z][a-z]") #=> ["main.rb"] + * Dir.glob("*.[^r]*") #=> ["config.h"] + * Dir.glob("*.{rb,h}") #=> ["main.rb", "config.h"] + * Dir.glob("*") #=> ["config.h", "main.rb"] + * Dir.glob("*", File::FNM_DOTMATCH) #=> [".", "..", "config.h", "main.rb"] + * + * rbfiles = File.join("**", "*.rb") + * Dir.glob(rbfiles) #=> ["main.rb", + * "lib/song.rb", + * "lib/song/karaoke.rb"] + * libdirs = File.join("**", "lib") + * Dir.glob(libdirs) #=> ["lib"] + * + * librbfiles = File.join("**", "lib", "**", "*.rb") + * Dir.glob(librbfiles) #=> ["lib/song.rb", + * "lib/song/karaoke.rb"] + * + * librbfiles = File.join("**", "lib", "*.rb") + * Dir.glob(librbfiles) #=> ["lib/song.rb"] + */ +static VALUE +dir_s_glob(argc, argv, obj) + int argc; + VALUE *argv; + VALUE obj; +{ + VALUE str, rflags, ary; + int flags; + + if (rb_scan_args(argc, argv, "11", &str, &rflags) == 2) + flags = NUM2INT(rflags); + else + flags = 0; + + ary = rb_check_array_type(str); + if (NIL_P(ary)) { + ary = rb_push_glob(str, flags); + } + else { + volatile VALUE v = ary; + ary = dir_globs(RARRAY_LEN(v), RARRAY_PTR(v), flags); + } + + if (rb_block_given_p()) { + rb_ary_each(ary); + return Qnil; + } + return ary; +} + +static VALUE +dir_open_dir(path) + VALUE path; +{ + VALUE dir = rb_funcall(rb_cDir, rb_intern("open"), 1, path); + + if (TYPE(dir) != T_DATA || + RDATA(dir)->dfree != (RUBY_DATA_FUNC)free_dir) { + rb_raise(rb_eTypeError, "wrong argument type %s (expected Dir)", + rb_obj_classname(dir)); + } + return dir; +} + + +/* + * call-seq: + * Dir.foreach( dirname ) {| filename | block } => nil + * + * Calls the block once for each entry in the named directory, passing + * the filename of each entry as a parameter to the block. + * + * Dir.foreach("testdir") {|x| puts "Got #{x}" } + * + * produces: + * + * Got . + * Got .. + * Got config.h + * Got main.rb + * + */ +static VALUE +dir_foreach(io, dirname) + VALUE io, dirname; +{ + VALUE dir; + + dir = dir_open_dir(dirname); + rb_ensure(dir_each, dir, dir_close, dir); + return Qnil; +} + +/* + * call-seq: + * Dir.entries( dirname ) => array + * + * Returns an array containing all of the filenames in the given + * directory. Will raise a SystemCallError if the named + * directory doesn't exist. + * + * Dir.entries("testdir") #=> [".", "..", "config.h", "main.rb"] + * + */ +static VALUE +dir_entries(io, dirname) + VALUE io, dirname; +{ + VALUE dir; + + dir = dir_open_dir(dirname); + return rb_ensure(rb_Array, dir, dir_close, dir); +} + +/* + * call-seq: + * File.fnmatch( pattern, path, [flags] ) => (true or false) + * File.fnmatch?( pattern, path, [flags] ) => (true or false) + * + * Returns true if path matches against pattern The + * pattern is not a regular expression; instead it follows rules + * similar to shell filename globbing. It may contain the following + * metacharacters: + * + * *:: Matches any file. Can be restricted by + * other values in the glob. * + * will match all files; c* will + * match all files beginning with + * c; *c will match + * all files ending with c; and + * *c* will match all files that + * have c in them (including at + * the beginning or end). Equivalent to + * / .* /x in regexp. + * **:: Matches directories recursively or files + * expansively. + * ?:: Matches any one character. Equivalent to + * /.{1}/ in regexp. + * [set]:: Matches any one character in +set+. + * Behaves exactly like character sets in + * Regexp, including set negation + * ([^a-z]). + * \:: Escapes the next metacharacter. + * + * flags is a bitwise OR of the FNM_xxx + * parameters. The same glob pattern and flags are used by + * Dir::glob. + * + * File.fnmatch('cat', 'cat') #=> true : match entire string + * File.fnmatch('cat', 'category') #=> false : only match partial string + * File.fnmatch('c{at,ub}s', 'cats') #=> false : { } isn't supported + * + * File.fnmatch('c?t', 'cat') #=> true : '?' match only 1 character + * File.fnmatch('c??t', 'cat') #=> false : ditto + * File.fnmatch('c*', 'cats') #=> true : '*' match 0 or more characters + * File.fnmatch('c*t', 'c/a/b/t') #=> true : ditto + * File.fnmatch('ca[a-z]', 'cat') #=> true : inclusive bracket expression + * File.fnmatch('ca[^t]', 'cat') #=> false : exclusive bracket expression ('^' or '!') + * + * File.fnmatch('cat', 'CAT') #=> false : case sensitive + * File.fnmatch('cat', 'CAT', File::FNM_CASEFOLD) #=> true : case insensitive + * + * File.fnmatch('?', '/', File::FNM_PATHNAME) #=> false : wildcard doesn't match '/' on FNM_PATHNAME + * File.fnmatch('*', '/', File::FNM_PATHNAME) #=> false : ditto + * File.fnmatch('[/]', '/', File::FNM_PATHNAME) #=> false : ditto + * + * File.fnmatch('\?', '?') #=> true : escaped wildcard becomes ordinary + * File.fnmatch('\a', 'a') #=> true : escaped ordinary remains ordinary + * File.fnmatch('\a', '\a', File::FNM_NOESCAPE) #=> true : FNM_NOESACPE makes '\' ordinary + * File.fnmatch('[\?]', '?') #=> true : can escape inside bracket expression + * + * File.fnmatch('*', '.profile') #=> false : wildcard doesn't match leading + * File.fnmatch('*', '.profile', File::FNM_DOTMATCH) #=> true period by default. + * File.fnmatch('.*', '.profile') #=> true + * + * rbfiles = '**' '/' '*.rb' # you don't have to do like this. just write in single string. + * File.fnmatch(rbfiles, 'main.rb') #=> false + * File.fnmatch(rbfiles, './main.rb') #=> false + * File.fnmatch(rbfiles, 'lib/song.rb') #=> true + * File.fnmatch('**.rb', 'main.rb') #=> true + * File.fnmatch('**.rb', './main.rb') #=> false + * File.fnmatch('**.rb', 'lib/song.rb') #=> true + * File.fnmatch('*', 'dave/.profile') #=> true + * + * pattern = '*' '/' '*' + * File.fnmatch(pattern, 'dave/.profile', File::FNM_PATHNAME) #=> false + * File.fnmatch(pattern, 'dave/.profile', File::FNM_PATHNAME | File::FNM_DOTMATCH) #=> true + * + * pattern = '**' '/' 'foo' + * File.fnmatch(pattern, 'a/b/c/foo', File::FNM_PATHNAME) #=> true + * File.fnmatch(pattern, '/a/b/c/foo', File::FNM_PATHNAME) #=> true + * File.fnmatch(pattern, 'c:/a/b/c/foo', File::FNM_PATHNAME) #=> true + * File.fnmatch(pattern, 'a/.b/c/foo', File::FNM_PATHNAME) #=> false + * File.fnmatch(pattern, 'a/.b/c/foo', File::FNM_PATHNAME | File::FNM_DOTMATCH) #=> true + */ +static VALUE +file_s_fnmatch(argc, argv, obj) + int argc; + VALUE *argv; + VALUE obj; +{ + VALUE pattern, path; + VALUE rflags; + int flags; + + if (rb_scan_args(argc, argv, "21", &pattern, &path, &rflags) == 3) + flags = NUM2INT(rflags); + else + flags = 0; + + StringValue(pattern); + StringValue(path); + + if (fnmatch(RSTRING(pattern)->ptr, RSTRING(path)->ptr, flags) == 0) + return Qtrue; + + return Qfalse; +} + +/* + * Objects of class Dir are directory streams representing + * directories in the underlying file system. They provide a variety of + * ways to list directories and their contents. See also + * File. + * + * The directory used in these examples contains the two regular files + * (config.h and main.rb), the parent + * directory (..), and the directory itself + * (.). + */ +void +Init_Dir() +{ + rb_cDir = rb_define_class("Dir", rb_cObject); + + rb_include_module(rb_cDir, rb_mEnumerable); + + rb_define_alloc_func(rb_cDir, dir_s_alloc); + rb_define_singleton_method(rb_cDir, "open", dir_s_open, 1); + rb_define_singleton_method(rb_cDir, "foreach", dir_foreach, 1); + rb_define_singleton_method(rb_cDir, "entries", dir_entries, 1); + + rb_define_method(rb_cDir,"initialize", dir_initialize, 1); + rb_define_method(rb_cDir,"path", dir_path, 0); + rb_define_method(rb_cDir,"read", dir_read, 0); + rb_define_method(rb_cDir,"each", dir_each, 0); + rb_define_method(rb_cDir,"rewind", dir_rewind, 0); + rb_define_method(rb_cDir,"tell", dir_tell, 0); + rb_define_method(rb_cDir,"seek", dir_seek, 1); + rb_define_method(rb_cDir,"pos", dir_tell, 0); + rb_define_method(rb_cDir,"pos=", dir_set_pos, 1); + rb_define_method(rb_cDir,"close", dir_close, 0); + + rb_define_singleton_method(rb_cDir,"chdir", dir_s_chdir, -1); + rb_define_singleton_method(rb_cDir,"getwd", dir_s_getwd, 0); + rb_define_singleton_method(rb_cDir,"pwd", dir_s_getwd, 0); + rb_define_singleton_method(rb_cDir,"chroot", dir_s_chroot, 1); + rb_define_singleton_method(rb_cDir,"mkdir", dir_s_mkdir, -1); + rb_define_singleton_method(rb_cDir,"rmdir", dir_s_rmdir, 1); + rb_define_singleton_method(rb_cDir,"delete", dir_s_rmdir, 1); + rb_define_singleton_method(rb_cDir,"unlink", dir_s_rmdir, 1); + + rb_define_singleton_method(rb_cDir,"glob", dir_s_glob, -1); + rb_define_singleton_method(rb_cDir,"[]", dir_s_aref, -1); + + rb_define_singleton_method(rb_cFile,"fnmatch", file_s_fnmatch, -1); + rb_define_singleton_method(rb_cFile,"fnmatch?", file_s_fnmatch, -1); + + rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE)); + rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME)); + rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH)); + rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD)); + rb_file_const("FNM_SYSCASE", INT2FIX(FNM_SYSCASE)); +} -- cgit v1.2.3