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Code Issues Releases Wiki Activity

disable scrollback optimization as it breaks scrollback shrinking

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berkeviktor@aol.com 2010-09-19 01:36:37 +02:00
parent 498d09b49a
commit e2f68f4399
1 changed files with 50 additions and 46 deletions
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96
xchat-wdk.patch
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@ -437,7 +437,7 @@ diff -ruN --strip-trailing-cr xchat-wdk.orig/src/common/ssl.c xchat-wdk/src/comm
#ifndef HAVE_SNPRINTF
diff -ruN --strip-trailing-cr xchat-wdk.orig/src/common/text.c xchat-wdk/src/common/text.c
--- xchat-wdk.orig/src/common/text.c 2010-05-30 04:28:04 +0200
+++ xchat-wdk/src/common/text.c 2010-08-26 15:53:53 +0200
+++ xchat-wdk/src/common/text.c 2010-09-19 01:32:44 +0200
@@ -19,13 +19,11 @@
#include <stdlib.h>
#include <stdio.h>
@ -452,60 +452,64 @@ diff -ruN --strip-trailing-cr xchat-wdk.orig/src/common/text.c xchat-wdk/src/com
#include "xchat.h"
#include <glib/ghash.h>
@@ -274,6 +272,8 @@
char *map, *end_map;
struct stat statbuf;
const char *begin, *eol;
+
+ HANDLE hFile, hMapFile;
@@ -271,9 +269,6 @@
char *text;
time_t stamp;
int lines;
- char *map, *end_map;
- struct stat statbuf;
- const char *begin, *eol;
if (sess->text_scrollback == SET_DEFAULT)
{
@@ -296,9 +296,33 @@
if (fstat (fh, &statbuf) < 0)
@@ -293,32 +288,9 @@
if (fh == -1)
return;
+#ifdef WIN32
+ hFile = (HANDLE)_get_osfhandle(fh);
+ if (hFile == INVALID_HANDLE_VALUE)
+ {
+ return;
+ }
+
+ /* Create mapping object */
+ hMapFile = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);
+ if (hMapFile == INVALID_HANDLE_VALUE)
+ {
+ return;
+ }
+
+ /* Select which portions of the file we need */
+ map = (char *)MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
+
+ if (map == NULL)
+ {
+ CloseHandle(hMapFile);
+ return;
+ }
+#else
map = mmap (NULL, statbuf.st_size, PROT_READ, MAP_PRIVATE, fh, 0);
if (map == MAP_FAILED)
return;
+#endif
- if (fstat (fh, &statbuf) < 0)
- return;
-
- map = mmap (NULL, statbuf.st_size, PROT_READ, MAP_PRIVATE, fh, 0);
- if (map == MAP_FAILED)
- return;
-
- end_map = map + statbuf.st_size;
-
lines = 0;
- begin = map;
- while (begin < end_map)
+ while (waitline (fh, buf, sizeof buf, FALSE) != -1)
{
- int n_bytes;
-
- eol = memchr (begin, '\n', end_map - begin);
-
- if (!eol)
- eol = end_map;
-
- n_bytes = MIN (eol - begin, sizeof (buf) - 1);
-
- strncpy (buf, begin, n_bytes);
-
- buf[n_bytes] = 0;
-
if (buf[0] == 'T')
{
if (sizeof (time_t) == 4)
@@ -334,8 +306,6 @@
}
lines++;
}
-
- begin = eol + 1;
}
end_map = map + statbuf.st_size;
@@ -349,7 +373,13 @@
sess->scrollwritten = lines;
@@ -349,7 +319,6 @@
/*EMIT_SIGNAL (XP_TE_GENMSG, sess, "*", buf, NULL, NULL, NULL, 0);*/
}
+#ifdef WIN32
+ CloseHandle(hMapFile);
+ CloseHandle(hFile);
+#else
munmap (map, statbuf.st_size);
+#endif
+
- munmap (map, statbuf.st_size);
close (fh);
}