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https://github.com/libratbag/libratbag.git
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05c5815fb9
hidpp files were using the error function from error.h header file. Unfortunately not every libc comes with this particular header file, so with this patch we won't be requiring to be rely on error function and use fprintf function. Thanks to developer Yaroslav Chvanov <staticssleever668> for the original suggestion Closes: https://github.com/libratbag/libratbag/issues/1253 Signed-off-by: listout <listout@protonmail.com>
119 lines
3.0 KiB
C
119 lines
3.0 KiB
C
/*
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* Copyright © 2015 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <config.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <hidpp10.h>
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#include <libratbag-util.h>
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static inline int
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dump_page(struct hidpp10_device *dev, size_t page, size_t offset)
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{
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int rc = 0;
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uint8_t bytes[16];
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while (offset < 512) {
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hidpp_log_info(&dev->base, "page 0x%02zx off 0x%03zx: ", page, offset);
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rc = hidpp10_read_memory(dev, page, offset, bytes);
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if (rc != 0)
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break;
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hidpp_log_buffer(&dev->base, HIDPP_LOG_PRIORITY_INFO, " ", bytes, ARRAY_LENGTH(bytes));
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offset += 16;
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}
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return rc;
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}
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static inline int
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dump_all_pages(struct hidpp10_device *dev)
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{
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uint8_t page;
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int rc = 0;
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for (page = 0; page < 31; page++) {
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rc = dump_page(dev, page, 0);
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if (rc != 0)
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break;
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}
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/* We dumped at least one page successfully and get EAGAIN, so we're
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* on the last page. Overwrite the last line with a blank one so it
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* doesn't look like an error */
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if (page > 0 && rc == EAGAIN) {
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hidpp_log_info(&dev->base, "\r \n");
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rc = 0;
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}
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return rc;
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}
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static void
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usage(void)
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{
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printf("Usage: %s [page] [offset] /dev/hidraw0\n", program_invocation_short_name);
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}
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int
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main(int argc, char **argv)
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{
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_cleanup_close_ int fd = 0;
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const char *path;
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size_t page = 0, offset = 0;
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struct hidpp10_device *dev = NULL;
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struct hidpp_device base;
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int rc;
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if (argc < 2 || argc > 4) {
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usage();
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return 1;
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}
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path = argv[argc - 1];
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fd = open(path, O_RDWR);
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if (fd < 0) {
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fprintf(stderr, "Failed to open path '%s': %s", path, strerror(errno));
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exit(3);
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}
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hidpp_device_init(&base, fd);
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rc = hidpp10_device_new(&base, HIDPP_WIRED_DEVICE_IDX, HIDPP10_PROFILE_UNKNOWN, 5, &dev);
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if (rc)
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return rc;
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if (argc == 2)
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rc = dump_all_pages(dev);
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else {
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page = atoi(argv[1]);
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if (argc > 3)
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offset = atoi(argv[2]);
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rc = dump_page(dev, page, offset);
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}
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hidpp10_device_destroy(dev);
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return rc;
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}
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