/// Invokes kyua_text_vprintf() based on a set of variable arguments.
///
/// \param [out] output Output pointer of kyua_text_vprintf().
/// \param format Formatting string to use.
/// \param ... Variable arguments to pack in a va_list to use.
///
/// \return The return value of the wrapped function.
static kyua_error_t
call_vprintf(char** output, const char* format, ...)
{
va_list ap;
va_start(ap, format);
kyua_error_t error = kyua_text_vprintf(output, format, ap);
va_end(ap);
return error;
}
/// Generates a path and checks if it exists.
///
/// \param format Formatting string for the path to generate.
/// \param ... Arguments to the formatting string.
///
/// \return A dynamically-allocated string containing the generated path if
/// there were no errors and the file pointed to by such path exists; NULL
/// otherwise. The returned string must be relesed with free() by the caller.
static char*
try_core(const char* format, ...)
{
char* path;
va_list ap;
va_start(ap, format);
kyua_error_t error = kyua_text_vprintf(&path, format, ap);
va_end(ap);
if (kyua_error_is_set(error)) {
// Something went really wrong (and should not have happened). Ignore
// this core file candidate.
kyua_error_free(error);
return NULL;
}
if (access(path, F_OK) == -1) {
free(path);
return NULL;
} else {
return path;
}
}
