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-rw-r--r--file.c227
1 files changed, 195 insertions, 32 deletions
diff --git a/file.c b/file.c
index cc2ccd3c33..71d5692c66 100644
--- a/file.c
+++ b/file.c
@@ -15,6 +15,10 @@
#ifdef _WIN32
#include "missing/file.h"
#endif
+#ifdef __CYGWIN__
+#include <windows.h>
+#include <sys/cygwin.h>
+#endif
#include "ruby.h"
#include "rubyio.h"
@@ -2310,6 +2314,18 @@ rb_file_s_umask(argc, argv)
#define isdirsep(x) ((x) == '/')
#endif
+#if defined _WIN32 || defined __CYGWIN__
+#define USE_NTFS 1
+#else
+#define USE_NTFS 0
+#endif
+
+#if USE_NTFS
+#define istrailinggabage(x) ((x) == '.' || (x) == ' ')
+#else
+#define istrailinggabage(x) 0
+#endif
+
#ifndef CharNext /* defined as CharNext[AW] on Windows. */
# if defined(DJGPP)
# define CharNext(p) ((p) + mblen(p, MB_CUR_MAX))
@@ -2454,6 +2470,30 @@ rb_path_end(path)
return chompdirsep(path);
}
+#if USE_NTFS
+static char *
+ntfs_tail(const char *path)
+{
+ while (*path && *path != ':') {
+ if (istrailinggabage(*path)) {
+ const char *last = path++;
+ while (istrailinggabage(*path)) path++;
+ if (!*path || *path == ':') return (char *)last;
+ }
+ else if (isdirsep(*path)) {
+ const char *last = path++;
+ while (isdirsep(*path)) path++;
+ if (!*path) return (char *)last;
+ if (*path == ':') path++;
+ }
+ else {
+ path = CharNext(path);
+ }
+ }
+ return (char *)path;
+}
+#endif
+
#define BUFCHECK(cond) do {\
long bdiff = p - buf;\
while (cond) {\
@@ -2480,7 +2520,8 @@ static VALUE
file_expand_path(fname, dname, result)
VALUE fname, dname, result;
{
- char *s, *buf, *b, *p, *pend, *root;
+ const char *s, *b;
+ char *buf, *p, *pend, *root;
long buflen, dirlen;
int tainted;
@@ -2621,15 +2662,21 @@ file_expand_path(fname, dname, result)
case '.':
if (*(s+1) == '\0' || isdirsep(*(s+1))) {
/* We must go back to the parent */
+ char *n;
*p = '\0';
- if (!(b = strrdirsep(root))) {
+ if (!(n = strrdirsep(root))) {
*p = '/';
}
else {
- p = b;
+ p = n;
}
b = ++s;
}
+#if USE_NTFS
+ else {
+ do *++s; while (istrailinggabage(*s));
+ }
+#endif
break;
case '/':
#if defined DOSISH || defined __CYGWIN__
@@ -2642,6 +2689,19 @@ file_expand_path(fname, dname, result)
break;
}
}
+#if USE_NTFS
+ else {
+ --s;
+ case ' ': {
+ const char *e = s;
+ while (istrailinggabage(*s)) s++;
+ if (!*s) {
+ s = e;
+ goto endpath;
+ }
+ }
+ }
+#endif
break;
case '/':
#if defined DOSISH || defined __CYGWIN__
@@ -2664,15 +2724,79 @@ file_expand_path(fname, dname, result)
}
if (s > b) {
+#if USE_NTFS
+ endpath:
+ if (s > b + 6 && strncasecmp(s - 6, ":$DATA", 6) == 0) {
+ /* alias of stream */
+ /* get rid of a bug of x64 VC++ */
+ if (*(s-7) == ':') s -= 7; /* prime */
+ else if (memchr(b, ':', s - 6 - b)) s -= 6; /* alternative */
+ }
+#endif
BUFCHECK(bdiff + (s-b) >= buflen);
memcpy(++p, b, s-b);
p += s-b;
}
if (p == skiproot(buf) - 1) p++;
+ buflen = p - buf;
- if (tainted) OBJ_TAINT(result);
- RSTRING(result)->len = p - buf;
+#if USE_NTFS
*p = '\0';
+ if (1 &&
+#ifdef __CYGWIN__
+ !(buf[0] == '/' && !buf[1]) &&
+#endif
+ !strpbrk(b = buf, "*?")) {
+ size_t len;
+ WIN32_FIND_DATA wfd;
+#ifdef __CYGWIN__
+ int lnk_added = 0, is_symlink = 0;
+ struct stat st;
+ char w32buf[MAXPATHLEN], sep = 0;
+ p = 0;
+ if (lstat(buf, &st) == 0 && S_ISLNK(st.st_mode)) {
+ is_symlink = 1;
+ p = strrdirsep(buf);
+ if (!p) p = skipprefix(buf);
+ if (p) {
+ sep = *p;
+ *p = '\0';
+ }
+ }
+ if (cygwin_conv_to_win32_path(buf, w32buf) == 0) {
+ b = w32buf;
+ }
+ if (p) *p = sep;
+ else p = buf;
+ if (is_symlink && b == w32buf) {
+ len = strlen(p);
+ if (len > 4 && strcasecmp(p + len - 4, ".lnk") != 0) {
+ lnk_added = 1;
+ strlcat(w32buf, ".lnk", sizeof(w32buf));
+ }
+ }
+#endif
+ HANDLE h = FindFirstFile(b, &wfd);
+ if (h != INVALID_HANDLE_VALUE) {
+ FindClose(h);
+ p = strrdirsep(buf);
+ len = strlen(wfd.cFileName);
+#ifdef __CYGWIN__
+ if (lnk_added && len > 4 &&
+ strcasecmp(wfd.cFileName + len - 4, ".lnk") == 0) {
+ len -= 4;
+ }
+#endif
+ if (!p) p = buf;
+ buflen = ++p - buf + len;
+ rb_str_resize(result, buflen);
+ memcpy(p, wfd.cFileName, len + 1);
+ }
+ }
+#endif
+
+ if (tainted) OBJ_TAINT(result);
+ rb_str_set_len(result, buflen);
return result;
}
@@ -2716,23 +2840,31 @@ rb_file_s_expand_path(argc, argv)
}
static int
-rmext(p, e)
+rmext(p, l1, e)
const char *p, *e;
+ int l1;
{
- int l1, l2;
+ int l2;
if (!e) return 0;
- l1 = chompdirsep(p) - p;
l2 = strlen(e);
if (l2 == 2 && e[1] == '*') {
- e = strrchr(p, *e);
- if (!e) return 0;
+ unsigned char c = *e;
+ e = p + l1;
+ do {
+ if (e <= p) return 0;
+ } while (*--e != c);
return e - p;
}
if (l1 < l2) return l1;
- if (strncmp(p+l1-l2, e, l2) == 0) {
+#if CASEFOLD_FILESYSTEM
+#define fncomp strncasecmp
+#else
+#define fncomp strncmp
+#endif
+ if (fncomp(p+l1-l2, e, l2) == 0) {
return l1-l2;
}
return 0;
@@ -2762,7 +2894,7 @@ rb_file_s_basename(argc, argv)
#if defined DOSISH_DRIVE_LETTER || defined DOSISH_UNC
char *root;
#endif
- int f;
+ int f, n;
if (rb_scan_args(argc, argv, "11", &fname, &fext) == 2) {
StringValue(fext);
@@ -2796,18 +2928,22 @@ rb_file_s_basename(argc, argv)
#endif
#endif
}
- else if (!(p = strrdirsep(name))) {
- if (NIL_P(fext) || !(f = rmext(name, StringValueCStr(fext)))) {
- f = chompdirsep(name) - name;
- if (f == RSTRING(fname)->len) return fname;
- }
- p = name;
- }
else {
- while (isdirsep(*p)) p++; /* skip last / */
- if (NIL_P(fext) || !(f = rmext(p, StringValueCStr(fext)))) {
- f = chompdirsep(p) - p;
+ if (!(p = strrdirsep(name))) {
+ p = name;
}
+ else {
+ while (isdirsep(*p)) p++; /* skip last / */
+ }
+#if USE_NTFS
+ n = ntfs_tail(p) - p;
+#else
+ n = chompdirsep(p) - p;
+#endif
+ if (NIL_P(fext) || !(f = rmext(p, n, StringValueCStr(fext)))) {
+ f = n;
+ }
+ if (f == RSTRING_LEN(fname)) return fname;
}
basename = rb_str_new(p, f);
OBJ_INFECT(basename, fname);
@@ -2883,22 +3019,49 @@ static VALUE
rb_file_s_extname(klass, fname)
VALUE klass, fname;
{
- char *name, *p, *e;
+ const char *name, *p, *e;
VALUE extname;
name = StringValueCStr(fname);
p = strrdirsep(name); /* get the last path component */
if (!p)
- p = name;
+ p = name;
else
- p++;
-
- e = strrchr(p, '.'); /* get the last dot of the last component */
- if (!e || e == p || !e[1]) /* no dot, or the only dot is first or end? */
- return rb_str_new2("");
- extname = rb_str_new(e, chompdirsep(e) - e); /* keep the dot, too! */
- OBJ_INFECT(extname, fname);
- return extname;
+ name = ++p;
+
+ e = 0;
+ while (*p) {
+ if (*p == '.' || istrailinggabage(*p)) {
+#if USE_NTFS
+ const char *last = p++, *dot = last;
+ while (istrailinggabage(*p)) {
+ if (*p == '.') dot = p;
+ p++;
+ }
+ if (!*p || *p == ':') {
+ p = last;
+ break;
+ }
+ e = dot;
+ continue;
+#else
+ e = p; /* get the last dot of the last component */
+#endif
+ }
+#if USE_NTFS
+ else if (*p == ':') {
+ break;
+ }
+#endif
+ else if (isdirsep(*p))
+ break;
+ p = CharNext(p);
+ }
+ if (!e || e == name || e+1 == p) /* no dot, or the only dot is first or end? */
+ return rb_str_new(0, 0);
+ extname = rb_str_new(e, p - e); /* keep the dot, too! */
+ OBJ_INFECT(extname, fname);
+ return extname;
}
/*
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 13:40:57 +0000