common: Re-add the libusb < 1.0.13 workarounds.
It comes with a GIANT WARNING if you are affected by the workaround.master
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29bfe527de
commit
2e3cf70dba
3
README
3
README
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@ -93,7 +93,8 @@
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***************************************************************************
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Compilation:
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You will need libusb/libusbx v1.0.13 (or newer) to build this tool.
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You will need libusb/libusbx 1.0 to build this tool.
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We recommend v1.0.13 (or newer) for full functionality.
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Fedora/RedHat:
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yum install libusbx-devel
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@ -27,13 +27,14 @@
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#include "backend_common.h"
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#define BACKEND_VERSION "0.33"
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#define BACKEND_VERSION "0.34"
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#ifndef URI_PREFIX
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#error "Must Define URI_PREFIX"
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#endif
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#if !defined(LIBUSBX_API_VERSION) && !defined(LIBUSB_API_VERSION)
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#error "We need libusb >= 1.0.13!"
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#define OLDLIBUSB_WORKAROUND
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#warning "We HIGHLY recommend using libusb >= 1.0.13!"
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#endif
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/* Support Functions */
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@ -232,7 +233,13 @@ static int print_scan_output(struct libusb_device *device,
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uint8_t port_num;
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bus_num = libusb_get_bus_number(device);
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#ifdef OLDLIBUSB_WORKAROUND
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WARNING("**** THIS PRINTER DOES NOT EXPORT A SERIAL NUMBER AND YOU ARE USING LIBUSB < 1.0.13\n");
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WARNING("**** We cannot identify individual printers of this type without a newer version of libusb!\n");
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port_num = 255;
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#else
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port_num = libusb_get_port_number(device);
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#endif
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sprintf((char*)serial, "NONE_B%03d_D%03d", bus_num, port_num);
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}
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@ -45,6 +45,7 @@
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#define DEBUG( ... ) fprintf(stderr, "DEBUG: " __VA_ARGS__ )
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#define DEBUG2( ... ) fprintf(stderr, __VA_ARGS__ )
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#define INFO( ... ) fprintf(stderr, "INFO: " __VA_ARGS__ )
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#define WARNING( ... ) fprintf(stderr, "WARNING: " __VA_ARGS__ )
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#define ERROR( ... ) do { fprintf(stderr, "ERROR: " __VA_ARGS__ ); sleep(1); } while (0)
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#if (__BYTE_ORDER == __LITTLE_ENDIAN)
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