w3m

commit 5d92917eeb6fbebc10115f26a122ecb5cae38e6a
parent 49e2c27ee21290a1ddb7035e648da6067485edc3
Author: ukai <ukai>
Date:   Sat, 14 Dec 2002 15:18:37 +0000

[w3m-dev 03568] Re: preserve timestamp
* etc.c (USE_COOKIE): moved
* file.c (utime.h): include
	(setModtime): added
	(loadGeneralFile): set f.modtime
	(_doFileCopy): setModtime()
	(doFileSave): setModtime()
* ftp.c (getFtpModtime): added
	(openFTP): pass URLFile, set modtime
* html.h (URLFile): add modtime
* proto.h (openFTP): arg URLFile *uf
	(mymktime): always
* url.c (init_stream): initialize modtime
	(openFTPStream): pass URLFile
	(openURL): openFTPStream
From: Takahashi Youichirou <nikuq@hk.airnet.ne.jp>

Diffstat:
M
ChangeLog
 | 
18
++++++++++++++++++
M
etc.c
 | 
2
+-
M
file.c
 | 
33
+++++++++++++++++++++++++++++----
M
ftp.c
 | 
31
++++++++++++++++++++++++++++++-
M
html.h
 | 
1
+
M
proto.h
 | 
4
++--
M
url.c
 | 
7
++++---

7 files changed, 85 insertions(+), 11 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,21 @@
+2002-12-15  Takahashi Youichirou <nikuq@hk.airnet.ne.jp>
+
+	* [w3m-dev 03568] Re: preserve timestamp
+	* etc.c (USE_COOKIE): moved
+	* file.c (utime.h): include
+		(setModtime): added
+		(loadGeneralFile): set f.modtime
+		(_doFileCopy): setModtime()
+		(doFileSave): setModtime()
+	* ftp.c (getFtpModtime): added
+		(openFTP): pass URLFile, set modtime
+	* html.h (URLFile): add modtime
+	* proto.h (openFTP): arg URLFile *uf
+		(mymktime): always
+	* url.c (init_stream): initialize modtime
+		(openFTPStream): pass URLFile 
+		(openURL): openFTPStream
+	
 2002-12-13  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
 
 	* [w3m-dev 03567] default keybinding
diff --git a/etc.c b/etc.c
@@ -1518,7 +1518,6 @@ tmpfname(int type, char *ext)
     return tmpf;
 }
 
-#ifdef USE_COOKIE
 static char *monthtbl[] = {
     "Jan", "Feb", "Mar", "Apr", "May", "Jun",
     "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
@@ -1728,6 +1727,7 @@ mymktime(char *timestr)
 		     (hour * 60 * 60) + (min * 60) + sec);
 }
 
+#ifdef USE_COOKIE
 #ifdef INET6
 #include <sys/socket.h>
 #endif				/* INET6 */
diff --git a/file.c b/file.c
@@ -11,6 +11,7 @@
 #include <time.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <utime.h>
 /* foo */
 
 #include "html.h"
@@ -331,6 +332,19 @@ uncompressed_file_type(char *path, char **ext)
     return t0;
 }
 
+static int setModtime(char *path, time_t modtime)
+{
+    struct utimbuf t;
+    struct stat st;
+
+    if (stat(path, &st) == 0)
+	t.actime = st.st_atime;
+    else
+	t.actime = time(NULL);
+    t.modtime = modtime;
+    return utime(path, &t);
+}
+
 void
 examineFile(char *path, URLFile *uf)
 {
@@ -1748,6 +1762,8 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 	    of = &f;
 	    goto load_doc;
 	}
+
+	f.modtime = mymktime(checkHeader(t_buf, "Last-Modified:"));
     }
 #ifdef USE_NNTP
     else if (pu.scheme == SCM_NEWS || pu.scheme == SCM_NNTP) {
@@ -1876,9 +1892,12 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 	signal(SIGINT, prevtrap);
 	if (DecodeCTE && IStype(f.stream) != IST_ENCODED)
 	    f.stream = newEncodedStream(f.stream, f.encoding);
-	if (pu.scheme == SCM_LOCAL)
+	if (pu.scheme == SCM_LOCAL) {
+	    struct stat st;
+	    if (stat(pu.real_file, &st) == 0)
+		f.modtime = st.st_mtime;
 	    file = conv_from_system(guess_save_name(NULL, pu.real_file));
-	else
+	} else
 	    file = guess_save_name(t_buf, pu.file);
 	doFileSave(f, file);
 	if (f.scheme == SCM_FTP)
@@ -7410,6 +7429,8 @@ _doFileCopy(char *tmpf, char *defstr, int download)
 	    QuietMessage = TRUE;
 	    fmInitialized = FALSE;
 	    _MoveFile(tmpf, p);
+	    if (stat(tmpf, &st) == 0)
+		setModtime(p, st.st_mtime);
 	    unlink(lock);
 	    exit(0);
 	}
@@ -7443,7 +7464,8 @@ _doFileCopy(char *tmpf, char *defstr, int download)
 	}
 	if (_MoveFile(tmpf, p) < 0) {
 	    printf("Can't save to %s\n", p);
-	}
+	} else if (stat(tmpf, &st) == 0)
+	    setModtime(p, st.st_mtime);
     }
 }
 
@@ -7508,6 +7530,8 @@ doFileSave(URLFile uf, char *defstr)
 	    QuietMessage = TRUE;
 	    fmInitialized = FALSE;
 	    save2tmp(uf, p);
+	    if (uf.modtime != -1)
+		setModtime(p, uf.modtime);
 	    UFclose(&uf);
 	    unlink(lock);
 	    exit(0);
@@ -7537,7 +7561,8 @@ doFileSave(URLFile uf, char *defstr)
 	}
 	if (save2tmp(uf, p) < 0) {
 	    printf("Can't save to %s\n", p);
-	}
+	} else if (uf.modtime != -1)
+	    setModtime(p, uf.modtime);
     }
 }
 
diff --git a/ftp.c b/ftp.c
@@ -351,6 +351,34 @@ FtpData(FTP ftp, char *cmd, char *arg, char *mode)
     return FtpDataBody(ftp, cmd, arg, mode);
 }
 
+time_t
+getFtpModtime(FTP ftp, char *path)
+{
+    Str tmp;
+    char *p;
+    struct tm tm;
+    time_t t;
+
+    memset(&tm, 0, sizeof(struct tm));
+    tmp = Sprintf("MDTM %s\r\n", path);
+    fwrite(tmp->ptr, tmp->length, sizeof(char), ftp->wcontrol);
+    fflush(ftp->wcontrol);
+    tmp = read_response(ftp);
+    if (atoi(tmp->ptr) != 213)
+	return -1;
+    for (p = tmp->ptr + 4; *p && *p == ' '; p++)
+	;
+    if (sscanf(p, "%04d%02d%02d%02d%02d%02d",
+	       &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+	       &tm.tm_hour, &tm.tm_min, &tm.tm_sec) < 6)
+	return -1;
+    tm.tm_year -= 1900;
+    tm.tm_mon--;
+    t = mktime(&tm);
+    t += mktime(localtime(&t)) - mktime(gmtime(&t));
+    return t;
+}
+
 int
 FtpClose(FTP ftp)
 {
@@ -394,7 +422,7 @@ static int ftp_system(FTP);
 #define	FTPDIR_FILE	3
 
 FILE *
-openFTP(ParsedURL *pu)
+openFTP(ParsedURL *pu, URLFile *uf)
 {
     Str tmp2 = Strnew();
     Str tmp3 = Strnew();
@@ -472,6 +500,7 @@ openFTP(ParsedURL *pu)
 	goto ftp_dir;
 
     /* Get file */
+    uf->modtime = getFtpModtime(current_ftp, realpathname);
     FtpBinary(current_ftp);
     if (ftp_pasv(current_ftp) < 0) {
 	FtpBye(current_ftp);
diff --git a/html.h b/html.h
@@ -73,6 +73,7 @@ typedef struct {
     char *ssl_certificate;
 #endif
     char *url;
+    time_t modtime;
 } URLFile;
 
 #define CMP_NOCOMPRESS   0
diff --git a/proto.h b/proto.h
@@ -504,7 +504,7 @@ extern Str unquote_mailcap(char *qstr, char *type, char *name, char *attr,
 extern char *guessContentType(char *filename);
 extern TextList *make_domain_list(char *domain_list);
 extern int check_no_proxy(char *domain);
-extern FILE *openFTP(ParsedURL *pu);
+extern FILE *openFTP(ParsedURL *pu, URLFile *uf);
 extern Str readFTPDir(ParsedURL *pu);
 extern void closeFTP(FILE * f);
 extern int Ftpfclose(FILE * f);
@@ -588,8 +588,8 @@ extern Str myEditor(char *cmd, char *file, int line);
 extern char *file_to_url(char *file);
 extern char *expandName(char *name);
 extern Str tmpfname(int type, char *ext);
-#ifdef USE_COOKIE
 extern time_t mymktime(char *timestr);
+#ifdef USE_COOKIE
 extern char *FQDN(char *host);
 extern Str find_cookie(ParsedURL *pu);
 extern int add_cookie(ParsedURL *pu, Str name, Str value, time_t expires,
diff --git a/url.c b/url.c
@@ -1412,12 +1412,13 @@ init_stream(URLFile *uf, int scheme, InputStream stream)
     uf->compression = 0;
     uf->guess_type = NULL;
     uf->ext = NULL;
+    uf->modtime = -1;
 }
 
 static InputStream
-openFTPStream(ParsedURL *pu)
+openFTPStream(ParsedURL *pu, URLFile *uf)
 {
-    return newFileStream(openFTP(pu), closeFTP);
+    return newFileStream(openFTP(pu, uf), closeFTP);
 }
 
 URLFile
@@ -1587,7 +1588,7 @@ openURL(char *url, ParsedURL *pu, ParsedURL *current,
 	    write(sock, tmp->ptr, tmp->length);
 	}
 	else {
-	    uf.stream = openFTPStream(pu);
+	    uf.stream = openFTPStream(pu, &uf);
 	    uf.scheme = pu->scheme;
 	    return uf;
 	}