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Use a smaller buffer when writing to USB devices (bug #617208).

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This commit is contained in:
Tim Waugh 2011-01-10 15:39:26 +00:00
parent ac3f59889c
commit a59a950a1c
2 changed files with 26 additions and 0 deletions
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22
cups-usb-buffer-size.patch Normal file
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@ -0,0 +1,22 @@
diff -up cups-1.4.6/backend/runloop.c.usb-buffer-size cups-1.4.6/backend/runloop.c
--- cups-1.4.6/backend/runloop.c.usb-buffer-size 2011-01-10 15:37:56.885677732 +0000
+++ cups-1.4.6/backend/runloop.c 2011-01-10 15:37:59.499623140 +0000
@@ -45,7 +45,7 @@ backendDrainOutput(int print_fd, /* I -
fd_set input; /* Input set for reading */
ssize_t print_bytes, /* Print bytes read */
bytes; /* Bytes written */
- char print_buffer[8192], /* Print data buffer */
+ char print_buffer[512], /* Print data buffer */
*print_ptr; /* Pointer into print data buffer */
struct timeval timeout; /* Timeout for read... */
@@ -160,7 +160,7 @@ backendRunLoop(
bytes; /* Bytes written */
int paperout; /* "Paper out" status */
int offline; /* "Off-line" status */
- char print_buffer[8192], /* Print data buffer */
+ char print_buffer[512], /* Print data buffer */
*print_ptr, /* Pointer into print data buffer */
bc_buffer[1024]; /* Back-channel data buffer */
struct timeval timeout; /* Timeout for select() */
diff -up cups-1.4.6/backend/usb.c.usb-buffer-size cups-1.4.6/backend/usb.c

4
cups.spec
View File

@ -67,6 +67,7 @@ Patch36: cups-ricoh-deviceid-oid.patch
Patch37: cups-texttops-rotate-page.patch
Patch38: cups-autotype-crash.patch
Patch39: cups-str3754.patch
Patch40: cups-usb-buffer-size.patch
Patch100: cups-lspp.patch
@ -276,6 +277,8 @@ module.
%patch38 -p1 -b .autotype-crash
# Don't crash when job queued for printer that times out (bug #660604).
%patch39 -p1 -b .str3754
# Use a smaller buffer when writing to USB devices (bug #617208).
%patch40 -p1 -b .usb-buffer-size
%if %lspp
# LSPP support.
@ -574,6 +577,7 @@ rm -rf $RPM_BUILD_ROOT
%changelog
* Mon Jan 10 2011 Tim Waugh <twaugh@redhat.com> 1:1.4.6-2
- Use a smaller buffer when writing to USB devices (bug #617208).
- Handle EAI_NONAME when resolving hostnames (bug #617208).
* Fri Jan 07 2011 Jiri Popelka <jpopelka@redhat.com> 1:1.4.6-1