First commit

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 39 insertions, 0 deletions

diff --git a/libexec_vsetenvf.c b/libexec_vsetenvf.c
new file mode 100644
index 0000000..b4d35c5
--- /dev/null
+++ b/libexec_vsetenvf.c
@@ -0,0 +1,39 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+#if defined(__GNUC__)
+# pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#endif
+
+
+int
+libexec_vsetenvf(struct libexec_command *cmd, enum libexec_insert_mode how, const char *name, const char *value_fmt, va_list args)
+{
+	int len, ret;
+	char *buf;
+	va_list args2;
+	if (!name || !value_fmt) {
+		errno = EINVAL;
+		return -1;
+	}
+	va_copy(args2, args);
+	len = vsnprintf(NULL, 0, value_fmt, args2);
+	va_end(args2);
+	if (len < 0)
+		return -1;
+	buf = malloc((size_t)len + 1U);
+	if (!buf)
+		return -1;
+	if (vsprintf(buf, value_fmt, args) != len)
+		abort();
+	ret = libexec_setenv(cmd, how, name, buf);
+	free(buf);
+	return ret;
+}
+
+
+#else
+TESTED_ELSEWHERE /* libexec_setenvf.c */
+#endif