From 3dfd6c11ed5599ab8baf4a6114f4ccb34150de6e Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 5 May 2024 10:24:40 +0200 Subject: First commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libexec_vsetenvf.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 libexec_vsetenvf.c (limited to 'libexec_vsetenvf.c') 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 -- cgit v1.2.3-70-g09d2