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-rw-r--r--cups-usb-paperout.patch52
1 files changed, 52 insertions, 0 deletions
diff --git a/cups-usb-paperout.patch b/cups-usb-paperout.patch
new file mode 100644
index 0000000..f1f73f0
--- /dev/null
+++ b/cups-usb-paperout.patch
@@ -0,0 +1,52 @@
+diff -up cups-1.5b1/backend/usb-unix.c.usb-paperout cups-1.5b1/backend/usb-unix.c
+--- cups-1.5b1/backend/usb-unix.c.usb-paperout 2011-05-24 15:51:39.000000000 +0200
++++ cups-1.5b1/backend/usb-unix.c 2011-05-24 15:51:39.000000000 +0200
+@@ -30,6 +30,11 @@
+
+ #include <sys/select.h>
+
++#ifdef __linux
++#include <sys/ioctl.h>
++#include <linux/lp.h>
++#endif /* __linux */
++
+
+ /*
+ * Local functions...
+@@ -334,7 +339,19 @@ open_device(const char *uri, /* I - Dev
+ if (!strncmp(uri, "usb:/dev/", 9))
+ #ifdef __linux
+ {
+- return (open(uri + 4, O_RDWR | O_EXCL));
++ fd = open(uri + 4, O_RDWR | O_EXCL);
++
++ if (fd != -1)
++ {
++ /*
++ * Tell the driver to return from write() with errno==ENOSPACE
++ * on paper-out.
++ */
++ unsigned int t = 1;
++ ioctl (fd, LPABORT, &t);
++ }
++
++ return fd;
+ }
+ else if (!strncmp(uri, "usb://", 6))
+ {
+@@ -400,7 +417,14 @@ open_device(const char *uri, /* I - Dev
+ if (!strcmp(uri, device_uri))
+ {
+ /*
+- * Yes, return this file descriptor...
++ * Yes, tell the driver to return from write() with
++ * errno==ENOSPACE on paper-out.
++ */
++ unsigned int t = 1;
++ ioctl (fd, LPABORT, &t);
++
++ /*
++ * Return this file descriptor...
+ */
+
+ fprintf(stderr, "DEBUG: Printer using device file \"%s\"...\n",