From d7894721f73bf5f135233625985a17043fa836a2 Mon Sep 17 00:00:00 2001 From: Kwang Son Date: Tue, 2 Nov 2021 11:17:47 +0000 Subject: [PATCH] media: docs: Fix newline typo Fix example code which has missing or double backslash typo. Signed-off-by: Kwang Son Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../userspace-api/media/v4l/capture.c.rst | 52 +++++++++++----------- .../userspace-api/media/v4l/v4l2grab.c.rst | 8 ++-- 2 files changed, 30 insertions(+), 30 deletions(-) diff --git a/Documentation/userspace-api/media/v4l/capture.c.rst b/Documentation/userspace-api/media/v4l/capture.c.rst index ccbd52c3897f..eef6772967a1 100644 --- a/Documentation/userspace-api/media/v4l/capture.c.rst +++ b/Documentation/userspace-api/media/v4l/capture.c.rst @@ -56,7 +56,7 @@ file: media/v4l/capture.c static void errno_exit(const char *s) { - fprintf(stderr, "%s error %d, %s\\n", s, errno, strerror(errno)); + fprintf(stderr, "%s error %d, %s\n", s, errno, strerror(errno)); exit(EXIT_FAILURE); } @@ -201,7 +201,7 @@ file: media/v4l/capture.c } if (0 == r) { - fprintf(stderr, "select timeout\\n"); + fprintf(stderr, "select timeout\n"); exit(EXIT_FAILURE); } @@ -307,7 +307,7 @@ file: media/v4l/capture.c buffers = calloc(1, sizeof(*buffers)); if (!buffers) { - fprintf(stderr, "Out of memory\\n"); + fprintf(stderr, "Out of memory\n"); exit(EXIT_FAILURE); } @@ -315,7 +315,7 @@ file: media/v4l/capture.c buffers[0].start = malloc(buffer_size); if (!buffers[0].start) { - fprintf(stderr, "Out of memory\\n"); + fprintf(stderr, "Out of memory\n"); exit(EXIT_FAILURE); } } @@ -341,7 +341,7 @@ file: media/v4l/capture.c } if (req.count < 2) { - fprintf(stderr, "Insufficient buffer memory on %s\\n", + fprintf(stderr, "Insufficient buffer memory on %s\n", dev_name); exit(EXIT_FAILURE); } @@ -349,7 +349,7 @@ file: media/v4l/capture.c buffers = calloc(req.count, sizeof(*buffers)); if (!buffers) { - fprintf(stderr, "Out of memory\\n"); + fprintf(stderr, "Out of memory\n"); exit(EXIT_FAILURE); } @@ -401,7 +401,7 @@ file: media/v4l/capture.c buffers = calloc(4, sizeof(*buffers)); if (!buffers) { - fprintf(stderr, "Out of memory\\n"); + fprintf(stderr, "Out of memory\n"); exit(EXIT_FAILURE); } @@ -410,7 +410,7 @@ file: media/v4l/capture.c buffers[n_buffers].start = malloc(buffer_size); if (!buffers[n_buffers].start) { - fprintf(stderr, "Out of memory\\n"); + fprintf(stderr, "Out of memory\n"); exit(EXIT_FAILURE); } } @@ -426,7 +426,7 @@ file: media/v4l/capture.c if (-1 == xioctl(fd, VIDIOC_QUERYCAP, &cap)) { if (EINVAL == errno) { - fprintf(stderr, "%s is no V4L2 device\\n", + fprintf(stderr, "%s is no V4L2 device\n", dev_name); exit(EXIT_FAILURE); } else { @@ -435,7 +435,7 @@ file: media/v4l/capture.c } if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) { - fprintf(stderr, "%s is no video capture device\\n", + fprintf(stderr, "%s is no video capture device\n", dev_name); exit(EXIT_FAILURE); } @@ -443,7 +443,7 @@ file: media/v4l/capture.c switch (io) { case IO_METHOD_READ: if (!(cap.capabilities & V4L2_CAP_READWRITE)) { - fprintf(stderr, "%s does not support read i/o\\n", + fprintf(stderr, "%s does not support read i/o\n", dev_name); exit(EXIT_FAILURE); } @@ -452,7 +452,7 @@ file: media/v4l/capture.c case IO_METHOD_MMAP: case IO_METHOD_USERPTR: if (!(cap.capabilities & V4L2_CAP_STREAMING)) { - fprintf(stderr, "%s does not support streaming i/o\\n", + fprintf(stderr, "%s does not support streaming i/o\n", dev_name); exit(EXIT_FAILURE); } @@ -541,7 +541,7 @@ file: media/v4l/capture.c struct stat st; if (-1 == stat(dev_name, &st)) { - fprintf(stderr, "Cannot identify '%s': %d, %s\\n", + fprintf(stderr, "Cannot identify '%s': %d, %s\n", dev_name, errno, strerror(errno)); exit(EXIT_FAILURE); } @@ -554,7 +554,7 @@ file: media/v4l/capture.c fd = open(dev_name, O_RDWR /* required */ | O_NONBLOCK, 0); if (-1 == fd) { - fprintf(stderr, "Cannot open '%s': %d, %s\\n", + fprintf(stderr, "Cannot open '%s': %d, %s\n", dev_name, errno, strerror(errno)); exit(EXIT_FAILURE); } @@ -563,17 +563,17 @@ file: media/v4l/capture.c static void usage(FILE *fp, int argc, char **argv) { fprintf(fp, - "Usage: %s [options]\\n\\n" - "Version 1.3\\n" - "Options:\\n" - "-d | --device name Video device name [%s]n" - "-h | --help Print this messagen" - "-m | --mmap Use memory mapped buffers [default]n" - "-r | --read Use read() callsn" - "-u | --userp Use application allocated buffersn" - "-o | --output Outputs stream to stdoutn" - "-f | --format Force format to 640x480 YUYVn" - "-c | --count Number of frames to grab [%i]n" + "Usage: %s [options]\n\n" + "Version 1.3\n" + "Options:\n" + "-d | --device name Video device name [%s]\n" + "-h | --help Print this message\n" + "-m | --mmap Use memory mapped buffers [default]\n" + "-r | --read Use read() calls\n" + "-u | --userp Use application allocated buffers\n" + "-o | --output Outputs stream to stdout\n" + "-f | --format Force format to 640x480 YUYV\n" + "-c | --count Number of frames to grab [%i]\n" "", argv[0], dev_name, frame_count); } @@ -659,6 +659,6 @@ file: media/v4l/capture.c stop_capturing(); uninit_device(); close_device(); - fprintf(stderr, "\\n"); + fprintf(stderr, "\n"); return 0; } diff --git a/Documentation/userspace-api/media/v4l/v4l2grab.c.rst b/Documentation/userspace-api/media/v4l/v4l2grab.c.rst index eaa0f95048e7..b38f661da733 100644 --- a/Documentation/userspace-api/media/v4l/v4l2grab.c.rst +++ b/Documentation/userspace-api/media/v4l/v4l2grab.c.rst @@ -46,7 +46,7 @@ file: media/v4l/v4l2grab.c } while (r == -1 && ((errno == EINTR) || (errno == EAGAIN))); if (r == -1) { - fprintf(stderr, "error %d, %s\\n", errno, strerror(errno)); + fprintf(stderr, "error %d, %s\n", errno, strerror(errno)); exit(EXIT_FAILURE); } } @@ -80,11 +80,11 @@ file: media/v4l/v4l2grab.c fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; xioctl(fd, VIDIOC_S_FMT, &fmt); if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) { - printf("Libv4l didn't accept RGB24 format. Can't proceed.\\n"); + printf("Libv4l didn't accept RGB24 format. Can't proceed.\n"); exit(EXIT_FAILURE); } if ((fmt.fmt.pix.width != 640) || (fmt.fmt.pix.height != 480)) - printf("Warning: driver is sending image at %dx%d\\n", + printf("Warning: driver is sending image at %dx%d\n", fmt.fmt.pix.width, fmt.fmt.pix.height); CLEAR(req); @@ -151,7 +151,7 @@ file: media/v4l/v4l2grab.c perror("Cannot open image"); exit(EXIT_FAILURE); } - fprintf(fout, "P6\\n%d %d 255\\n", + fprintf(fout, "P6\n%d %d 255\n", fmt.fmt.pix.width, fmt.fmt.pix.height); fwrite(buffers[buf.index].start, buf.bytesused, 1, fout); fclose(fout); -- 2.11.0