RPXLoadingModule/src/FileUtils.cpp

#include "FileUtils.h"
#include "utils/logger.h"
#include <coreinit/cache.h>
#include <sys/stat.h>

int32_t CheckFile(const char *filepath) {
    if (!filepath) {
        return 0;
    }

    struct stat filestat {};

    char dirnoslash[strlen(filepath) + 2];
    snprintf(dirnoslash, sizeof(dirnoslash), "%s", filepath);

    while (dirnoslash[strlen(dirnoslash) - 1] == '/') {
        dirnoslash[strlen(dirnoslash) - 1] = '\0';
    }

    char *notRoot = strrchr(dirnoslash, '/');
    if (!notRoot) {
        strcat(dirnoslash, "/");
    }

    if (stat(dirnoslash, &filestat) == 0) {
        return 1;
    }

    return 0;
}

int32_t CreateSubfolder(const char *fullpath) {
    if (!fullpath)
        return 0;

    int32_t result = 0;

    char dirnoslash[strlen(fullpath) + 1];
    strcpy(dirnoslash, fullpath);

    int32_t pos = strlen(dirnoslash) - 1;
    while (dirnoslash[pos] == '/') {
        dirnoslash[pos] = '\0';
        pos--;
    }

    if (CheckFile(dirnoslash)) {
        return 1;
    } else {
        char parentpath[strlen(dirnoslash) + 2];
        strcpy(parentpath, dirnoslash);
        char *ptr = strrchr(parentpath, '/');

        if (!ptr) {
            //!Device root directory (must be with '/')
            strcat(parentpath, "/");
            struct stat filestat {};
            if (stat(parentpath, &filestat) == 0) {
                return 1;
            }

            return 0;
        }

        ptr++;
        ptr[0] = '\0';

        result = CreateSubfolder(parentpath);
    }

    if (!result) {
        return 0;
    }

    if (mkdir(dirnoslash, 0777) == -1) {
        return 0;
    }

    return 1;
}