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Currently viewing the tag: "C programming"
How can you see which code a module executes when your app calls an ioctl system call?
Consider this situation:
You app gets to the point where it executes an ioctl syscall and returns an error, e.g.
if (ioctl(fd, STVMIX_IOC_DISCONNECTLAYERS, &STVMIX_Ioctl_DisconnectLayers) != 0) { /* IOCTL failed */ ErrorCode = ST_ERROR_BAD_PARAMETER; printf (” STVMIX_DisconnectLayers():Ioctl error […]
How can we map the enum values to strings in the C programing language?
Often times you need to display a C enum as a string, most often when debugging or handling error conditions.
Typical techiques involve usually: a) defining an array of strings (the strings being the enum names of course, and the string […]
1. Here’s how to to create a remote branch in git::
git push origin origin:refs/heads/my_branch
… or even simpler and more straightforward:
git branch my_branch # create branch locally
git push origin my_branch # push it to server
2. To push your changes to the remote branch:
git push […]
This post will be dedicated to gcc’s command line options and various other questions related to compiling/building your code with gcc. For example…
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How can I get gcc to generate assembly code for my C file:
gcc -O2 -S -c foo.c
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How can I tell gcc to generate […]
“Moving a branch” may mean two things:
1. Move the contents (the commits, the changes) associated with a branch name somewhere else in the repository.
2. Move the branch name (not the code changes!) to point to some other commit.
Let’s examine the two possibilities in detail:
1. Move branch contents and name:
This case […]
