Solomon Peachy
db0c7d8b99
Unfortunately this means we lose the '-B backend' method, but the overall control flow is much, much simpler now.
210 lines
5.7 KiB
C
210 lines
5.7 KiB
C
/*
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* CUPS Backend common code
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*
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* (c) 2013-2015 Solomon Peachy <pizza@shaftnet.org>
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*
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* The latest version of this program can be found at:
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*
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* http://git.shaftnet.org/cgit/selphy_print.git
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* [http://www.gnu.org/licenses/gpl-3.0.html]
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <libusb.h>
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#include <arpa/inet.h>
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#ifndef __BACKEND_COMMON_H
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#define __BACKEND_COMMON_H
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#define STR_LEN_MAX 64
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#define STATE( ... ) fprintf(stderr, "STATE: " __VA_ARGS__ )
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#define ATTR( ... ) fprintf(stderr, "ATTR: " __VA_ARGS__ )
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#define PAGE( ... ) fprintf(stderr, "PAGE: " __VA_ARGS__ )
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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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#define le32_to_cpu(__x) __x
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#define le16_to_cpu(__x) __x
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#define be16_to_cpu(__x) ntohs(__x)
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#define be32_to_cpu(__x) ntohl(__x)
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#else
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#define le32_to_cpu(x) \
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({ \
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uint32_t __x = (x); \
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((uint32_t)( \
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(((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
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(((uint32_t)(__x) & (uint32_t)0x0000ff00UL) << 8) | \
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(((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >> 8) | \
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(((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
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})
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#define le16_to_cpu(x) \
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({ \
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uint16_t __x = (x); \
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((uint16_t)( \
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(((uint16_t)(__x) & (uint16_t)0x00ff) << 8) | \
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(((uint16_t)(__x) & (uint16_t)0xff00) >> 8))); \
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})
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#define be32_to_cpu(__x) __x
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#define be16_to_cpu(__x) __x
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#endif
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#define cpu_to_le16 le16_to_cpu
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#define cpu_to_le32 le32_to_cpu
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#define cpu_to_be16 be16_to_cpu
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#define cpu_to_be32 be32_to_cpu
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/* To cheat the compiler */
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#define UNUSED(expr) do { (void)(expr); } while (0)
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/* To enumerate supported devices */
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enum {
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P_ANY = 0,
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P_ES1,
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P_ES2_20,
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P_ES3_30,
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P_ES40,
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P_CP790,
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P_CP_XXX,
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P_CP10,
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P_KODAK_6800,
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P_KODAK_6850,
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P_KODAK_1400_805,
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P_KODAK_605,
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P_SHINKO_S2145,
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P_SHINKO_S1245,
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P_SHINKO_S6245,
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P_SHINKO_S6145,
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P_SONY_UPDR150,
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P_SONY_UPCR10,
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P_MITSU_D70X,
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P_MITSU_K60,
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P_MITSU_9550,
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P_MITSU_9550S,
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P_DNP_DS40,
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P_DNP_DS80,
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P_CITIZEN_CW01,
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P_DNP_DSRX1,
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P_DNP_DS620,
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P_END,
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};
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struct device_id {
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uint16_t vid;
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uint16_t pid;
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int type; /* P_** */
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char *manuf_str;
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};
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/* Backend Functions */
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struct dyesub_backend {
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char *name;
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char *version;
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char *uri_prefix;
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void (*cmdline_usage)(void);
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void *(*init)(void);
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void (*attach)(void *ctx, struct libusb_device_handle *dev,
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uint8_t endp_up, uint8_t endp_down, uint8_t jobid);
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void (*teardown)(void *ctx);
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int (*cmdline_arg)(void *ctx, int argc, char **argv);
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int (*read_parse)(void *ctx, int data_fd);
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int (*main_loop)(void *ctx, int copies);
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int (*query_serno)(struct libusb_device_handle *dev, uint8_t endp_up, uint8_t endp_down, char *buf, int buf_len);
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struct device_id devices[];
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};
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/* Exported functions */
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int send_data(struct libusb_device_handle *dev, uint8_t endp,
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uint8_t *buf, int len);
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int read_data(struct libusb_device_handle *dev, uint8_t endp,
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uint8_t *buf, int buflen, int *readlen);
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int lookup_printer_type(struct dyesub_backend *backend, uint16_t idVendor, uint16_t idProduct);
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void print_license_blurb(void);
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void print_help(char *argv0, struct dyesub_backend *backend);
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/* Global data */
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extern int terminate;
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extern int dyesub_debug;
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extern int fast_return;
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extern int extra_vid;
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extern int extra_pid;
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extern int extra_type;
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extern int copies;
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extern char *use_serno;
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#if defined(BACKEND)
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extern struct dyesub_backend BACKEND;
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#endif
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/* CUPS compatibility */
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#define CUPS_BACKEND_OK 0 /* Sucess */
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#define CUPS_BACKEND_FAILED 1 /* Failed to print use CUPS policy */
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#define CUPS_BACKEND_AUTH_REQUIRED 2 /* Auth required */
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#define CUPS_BACKEND_HOLD 3 /* Hold this job only */
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#define CUPS_BACKEND_STOP 4 /* Stop the entire queue */
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#define CUPS_BACKEND_CANCEL 5 /* Cancel print job */
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#define CUPS_BACKEND_RETRY 6 /* Retry later */
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#define CUPS_BACKEND_RETRY_CURRENT 7 /* Retry immediately */
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/* Argument processing */
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#define GETOPT_LIST_GLOBAL "d:DfGhP:S:T:V:"
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#define GETOPT_PROCESS_GLOBAL \
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case 'd': \
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copies = atoi(optarg); \
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break; \
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case 'D': \
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dyesub_debug++; \
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break; \
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case 'f': \
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fast_return++; \
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break; \
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case 'G': \
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print_license_blurb(); \
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exit(0); \
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case 'h': \
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print_help(argv[0], &BACKEND); \
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exit(0); \
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case 'P': \
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extra_pid = strtol(optarg, NULL, 16); \
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break; \
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case 'S': \
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use_serno = optarg; \
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break; \
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case 'T': \
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extra_type = atoi(optarg); \
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break; \
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case 'V': \
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extra_pid = strtol(optarg, NULL, 16); \
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break;
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#endif /* __BACKEND_COMMON_H */
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