refname_is_safe(): don't allow the empty string

[git] / compat / strlcpy.c

#include "../git-compat-util.h"

size_t gitstrlcpy(char *dest, const char *src, size_t size)
{
        size_t ret = strlen(src);

        if (size) {
                size_t len = (ret >= size) ? size - 1 : ret;
                memcpy(dest, src, len);
                dest[len] = '\0';
        }
        return ret;
}