patches and low-level development discussion

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 // SPDX-License-Identifier: GPL-2.0-or-later
// SPDX-FileCopyrightText: 2021 Alyssa Ross <hi@alyssa.is>

#define _GNU_SOURCE

#include <argz.h>
#include <stdlib.h>
#include <unistd.h>

#include "exec.h"

// Like execvp, but takes an argz vector instead of an argv array.
int execzp(const char *file, const char *argz, size_t len)
{
	char **argv = calloc(argz_count(argz, len) + 1, sizeof(char *));
	if (!argv)
		return -1;

	argz_extract(argz, len, argv);

	execvp(file, argv);

	free(argv);
	return -1;
}