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author | Mattias Andrée <maandree@kth.se> | 2024-05-05 10:24:40 +0200 |
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committer | Mattias Andrée <maandree@kth.se> | 2024-05-05 10:24:40 +0200 |
commit | 3dfd6c11ed5599ab8baf4a6114f4ccb34150de6e (patch) | |
tree | b7717583b99f29028c85c3423cf43b104dfa8943 /libexec_vputenvf.c | |
download | libexec-3dfd6c11ed5599ab8baf4a6114f4ccb34150de6e.tar.gz libexec-3dfd6c11ed5599ab8baf4a6114f4ccb34150de6e.tar.bz2 libexec-3dfd6c11ed5599ab8baf4a6114f4ccb34150de6e.tar.xz |
First commit
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libexec_vputenvf.c')
-rw-r--r-- | libexec_vputenvf.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libexec_vputenvf.c b/libexec_vputenvf.c new file mode 100644 index 0000000..3d8b7f9 --- /dev/null +++ b/libexec_vputenvf.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_vputenvf(struct libexec_command *cmd, enum libexec_insert_mode how, const char *fmt, va_list args) +{ + int len, ret; + char *buf; + va_list args2; + if (!fmt) { + errno = EINVAL; + return -1; + } + va_copy(args2, args); + len = vsnprintf(NULL, 0, fmt, args2); + va_end(args2); + if (len < 0) + return -1; + buf = malloc((size_t)len + 1U); + if (!buf) + return -1; + if (vsprintf(buf, fmt, args) != len) + abort(); + ret = libexec_putenv(cmd, how, buf); + free(buf); + return ret; +} + + +#else +TESTED_ELSEWHERE /* libexec_putenvf.c */ +#endif |