Import sources from 2011-03-30 iso image

1 files changed, 32 insertions, 0 deletions

diff --git a/sys/src/ape/lib/bsd/putenv.c b/sys/src/ape/lib/bsd/putenv.c
new file mode 100755
index 000000000..63695ba76
--- /dev/null
+++ b/sys/src/ape/lib/bsd/putenv.c
@@ -0,0 +1,32 @@
+#include <sys/types.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+int
+putenv(char *s)
+{
+	int f, n;
+	char *value;
+	char buf[300];
+
+	value = strchr(s, '=');
+	if (value) {
+		n = value-s;
+		if(n<=0 || n > sizeof(buf)-6)
+			return -1;
+		strcpy(buf, "/env/");
+		strncpy(buf+5, s, n);
+		buf[n+5] = 0;
+		f = creat(buf, 0666);
+		if(f < 0)
+			return 1;
+		value++;
+		n = strlen(value);
+		if(write(f, value, n) != n)
+			return -1;
+		close(f);
+		return 0;
+	} else
+		return -1;
+}