Function security_read_file

tests/test_security.c:29–50

#include <sys/stat.h>

static char *security_read_file(const char *path) {
    FILE *file = fopen(path, "rb");
    if (!file || fseek(file, 0, SEEK_END) != 0) {
        if (file)
            fclose(file);
        return NULL;
    }
    long size = ftell(file);
    if (size < 0 || fseek(file, 0, SEEK_SET) != 0) {
        fclose(file);
        return NULL;
    }
    char *content = (char *)malloc((size_t)size + 1U);
    if (!content || fread(content, 1U, (size_t)size, file) != (size_t)size) {
        free(content);
        fclose(file);
        return NULL;
    }
    content[size] = '\0';
    fclose(file);
    return content;
}

static void security_normalize_crlf(char *content) {
    if (!content) {