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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/confstr.c
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initial check-in, version 0.5.0 v0.5.0
Diffstat (limited to 'src/unistd/confstr.c')
-rw-r--r--src/unistd/confstr.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/unistd/confstr.c b/src/unistd/confstr.c
new file mode 100644
index 00000000..4332f726
--- /dev/null
+++ b/src/unistd/confstr.c
@@ -0,0 +1,17 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+
+size_t confstr(int name, char *buf, size_t len)
+{
+	const char *s = "";
+	if (!name) {
+		s = "/bin:/usr/bin";
+	} else if ((name&~4U)!=1 && name-_CS_POSIX_V6_ILP32_OFF32_CFLAGS>31U) {
+		errno = EINVAL;
+		return 0;
+	}
+	// snprintf is overkill but avoid wasting code size to implement
+	// this completely useless function and its truncation semantics
+	return snprintf(buf, len, "%s", s);
+}