From: Alan T. DeKok <aland@freeradius.org>
Date: Sun, 31 Mar 2024 01:36:42 +0000 (-0400)
Subject: API to get string descriptions of errors
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8317b3207960f8c86f3df21dcaaa4d3bcefc61e;p=thirdparty%2Ffreeradius-server.git

API to get string descriptions of errors
---

diff --git a/src/lib/bio/base.c b/src/lib/bio/base.c
index dac95ef8dda..5dd95f1053b 100644
--- a/src/lib/bio/base.c
+++ b/src/lib/bio/base.c
@@ -24,6 +24,7 @@
 
 #include <freeradius-devel/bio/bio_priv.h>
 #include <freeradius-devel/bio/null.h>
+#include <freeradius-devel/util/syserror.h>
 
 #ifndef NDEBUG
 /** Free this bio.
@@ -192,3 +193,32 @@ int fr_bio_shutdown_intermediate(fr_bio_t *bio)
 
 	return fr_bio_shutdown(bio);
 }
+
+char const *fr_bio_strerror(ssize_t error)
+{
+	switch (error) {
+	case fr_bio_error(NONE):
+		return "";
+
+	case fr_bio_error(IO_WOULD_BLOCK):
+		return "IO operation would block";
+
+	case fr_bio_error(IO):
+		return fr_syserror(errno);
+
+	case fr_bio_error(GENERIC):
+		return fr_strerror();
+
+	case fr_bio_error(VERIFY):
+		return "Packet fails verification";
+
+	case fr_bio_error(BUFFER_FULL):
+		return "Output buffer is full";
+
+	case fr_bio_error(BUFFER_TOO_SMALL):
+		return "Output buffer is too small to cache the data";
+
+	default:
+		return "<unknown>";
+	}
+}
diff --git a/src/lib/bio/base.h b/src/lib/bio/base.h
index 7c63f522373..b3549cfb06f 100644
--- a/src/lib/bio/base.h
+++ b/src/lib/bio/base.h
@@ -186,3 +186,5 @@ int	fr_bio_destructor(fr_bio_t *bio) CC_HINT(nonnull);
 int	fr_bio_shutdown(fr_bio_t *bio) CC_HINT(nonnull);
 
 int	fr_bio_free(fr_bio_t *bio) CC_HINT(nonnull);
+
+char const *fr_bio_strerror(ssize_t error);