dirent
C/C++ library for retrieving information on files and directories (by tronkko)
avir
High-quality pro HDR image resizing / scaling C++ library, including a very fast, precise, SIMD Lanczos resizer (header-only C++) (by avaneev)
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
dirent
Posts with mentions or reviews of dirent.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-05-06.
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Iterate filesystem and store information in a struct array
#include #include #include #include #include #include #include typedef struct file_info { char *path; // ToDo: more info in the future } file_info; // Function prototypes bool is_special_file(const char *file); file_info **find_all_files(const char *root_dir); int find_files(const char *dir_path, file_info ***files, int *cap, int *cnt); file_info *file_info_new(const char *path); int main(int argc, char **argv) { find_all_files("/tmp/test"); // ToDo: Free all the memory correctly return 0; } file_info *file_info_new(const char *path) { file_info *file = malloc(sizeof(file_info)); if (!file) return NULL; file->path = path; return file; } file_info **find_all_files(const char *root_dir) { file_info **files = malloc(sizeof(file_info *)); int capacity = 1; int count = 0; int result = find_files(root_dir, &files, &capacity, &count); printf("Array cap: %d\n", capacity); printf("Array count: %d\n", count); printf("-------------------\n"); for (int i = 0; i < count; i++) { printf("%s\n", files[i]->path); } return files; } // Based on the implementation from https://github.com/tronkko/dirent int find_files(const char *dir_path, file_info ***files, int *cap, int *cnt) { char buffer[PATH_MAX + 2]; char *p = buffer; char *end = &buffer[PATH_MAX]; // Copy directory name to buffer const char *src = dir_path; while (p < end && *src != '\0') { *p++ = *src++; } *p = '\0'; // Open directory stream DIR *dir_stream = opendir(dir_path); if (!dir_stream) { printf("Failed to open %s (%s)\n", dir_path, strerror(errno)); return -1; } // Iterate all files/directories within the directory struct dirent *ent; while ((ent = readdir(dir_stream)) != NULL) { char *q = p; char c; // Get final character of directory name if (buffer < q) c = q[-1]; else c = ':'; // Append directory separator if not already there if (c != ':' && c != '/' && c != '\\') *q++ = '/'; // Append file name to current directory path src = ent->d_name; while (q < end && *src != '\0') { *q++ = *src++; } *q = '\0'; // Resize array if needed if (*cnt == *cap) { int realloc_size = (*cap) * 2; file_info **tmp_files = realloc(*files, realloc_size * sizeof(file_info *)); if (!tmp_files) exit(1); *cap *= 2; *files = tmp_files; } // Process every dirent type switch (ent->d_type) { case DT_LNK: { printf("[LINK] %s\n", buffer); (*files)[*cnt] = file_info_new(buffer); (*cnt)++; break; } case DT_REG: { printf("[FILE] %s\n", buffer); (*files)[*cnt] = file_info_new(buffer); (*cnt)++; break; } case DT_DIR: { if (!is_special_file(ent->d_name)) { printf("[DIR] %s\n", buffer); (*files)[*cnt] = file_info_new(buffer); (*cnt)++; find_files(buffer, files, cap, cnt); } break; } default: break; } } return 0; } bool is_special_file(const char *file) { if (strcmp(file, ".") != 0 && strcmp(file, "..") != 0) return false; return true; }
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Iterate files/directories/subdirectories in C ?
Thanks for the reply. Yea, I wonder how I would go about implementing an iterative approach tho. I am currently working with the following implementation: https://github.com/tronkko/dirent/blob/master/include/dirent.h
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How can you iterate up the directory tree until the program gets to the first?
You can use dirent for both if you include a compatibility shim for windows.
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OGL - A Great Cross Platform OpenGL Base Library With Almost Everything OpenGL You might Ever need
dirent
avir
Posts with mentions or reviews of avir.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-01-12.
- High-quality pro image resizing / scaling C++ library
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OGL - A Great Cross Platform OpenGL Base Library With Almost Everything OpenGL You might Ever need
avir
- LANCIR 3.0.3: very fast and the most precise Lanczos image resizer for CPUs (C++)
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[News] [Update] MLVapp 1.13 released
MLVApp v1.13 is out: - Debayer udpate for IGV and LMMSE from [librtprocess](https://github.com/CarVac/librtprocess) - Added debayer RCD and DCB from [librtprocess](https://github.com/CarVac/librtprocess) - Update to [AVIR](https://github.com/avaneev/avir) 2.9 - H.265 export playable on Apple devices - Update for faster recursive bilinear filtering (Clarity, Shadows, Highlights, RBF Denoiser) - Fix for SSL handshake problem on focus pixel map auto install - DNxHR export with variable resolution
What are some alternatives?
When comparing dirent and avir you can also consider the following projects:
imgui-node-editor - Node Editor built using Dear ImGui
yuzu - Nintendo Switch emulator
imgui - Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies
imgp - :camera_flash: Fast batch image resizer and rotator
TinyErode - A portable C++ library for simulating hydraulic erosion.
OpenCV - Open Source Computer Vision Library
libcake - Librairie en C
librtprocess - A project to make RawTherapee's processing algorithms more readily available.
glm
HdriToCubemap - A simple C++ library for converting equirectangular hdri environment maps to cubemap images
stb - stb single-file public domain libraries for C/C++