--- cups-1.2.10/backend/usb-unix.c.usb-paperout 2007-06-26 15:11:14.000000000 +0100 +++ cups-1.2.10/backend/usb-unix.c 2007-06-26 15:16:23.000000000 +0100 @@ -39,6 +39,11 @@ #include "ieee1284.c" #include +#ifdef __linux +#include +#include +#endif /* __linux */ + /* * Local functions... @@ -308,7 +313,19 @@ 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)) { @@ -374,7 +391,14 @@ 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", device);