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authorRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
committerRich Felker <dalias@aerifal.cx>2011-02-12 00:22:29 -0500
commit0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 (patch)
tree6eaef0d8a720fa3da580de87b647fff796fe80b3 /src/unistd/getlogin_r.c
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/unistd/getlogin_r.c')
-rw-r--r--src/unistd/getlogin_r.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/unistd/getlogin_r.c b/src/unistd/getlogin_r.c
new file mode 100644
index 00000000..f04f71e5
--- /dev/null
+++ b/src/unistd/getlogin_r.c
@@ -0,0 +1,13 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+int getlogin_r(char *name, size_t size)
+{
+	char *logname = getlogin();
+	if (!logname) return ENXIO; /* or...? */
+	if (strlen(name) >= size) return ERANGE;
+	strcpy(name, logname);
+	return 0;
+}