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-rw-r--r--src/conf/confstr.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/conf/confstr.c b/src/conf/confstr.c
new file mode 100644
index 00000000..4332f726
--- /dev/null
+++ b/src/conf/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);
+}