From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- lib/libc/stdlib/putenv.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 lib/libc/stdlib/putenv.c (limited to 'lib/libc/stdlib/putenv.c') diff --git a/lib/libc/stdlib/putenv.c b/lib/libc/stdlib/putenv.c new file mode 100644 index 00000000..b070cc4d --- /dev/null +++ b/lib/libc/stdlib/putenv.c @@ -0,0 +1,17 @@ +#include +#include + +int putenv(char *string) +{ + const char *const name_end = strchr(string, '='); + + if (name_end) { + char name[name_end - string + 1]; + memcpy(name, string, name_end - string); + name[name_end - string] = '\0'; + return setenv(name, name_end + 1, 1); + } + + unsetenv(string); + return 0; +} -- cgit v1.2.3