1 files changed, 107 insertions, 0 deletions
diff --git a/pjlib/src/pj/errno.c b/pjlib/src/pj/errno.c
new file mode 100644
index 00000000..218c789f
--- /dev/null
+++ b/pjlib/src/pj/errno.c
@@ -0,0 +1,107 @@
+/* $Header: /pjproject-0.3/pjlib/src/pj/errno.c 2     10/14/05 12:26a Bennylp $ */
+/*
+ * $Log: /pjproject-0.3/pjlib/src/pj/errno.c $
+ * 
+ * 2     10/14/05 12:26a Bennylp
+ * Finished error code framework, some fixes in ioqueue, etc. Pretty
+ * major.
+ * 
+ * 1     10/08/05 9:53a Bennylp
+ * Created.
+ *
+ */
+#include <pj/errno.h>
+#include <pj/string.h>
+#include <pj/compat/sprintf.h>
+
+/* Prototype for platform specific error message, which will be defined 
+ * in separate file.
+ */
+extern int platform_strerror( pj_os_err_type code, 
+                              char *buf, pj_size_t bufsize );
+
+/* PJLIB's own error codes/messages */
+static const struct 
+{
+    int code;
+    const char *msg;
+} err_str[] = 
+{
+    { PJ_EUNKNOWN,      "Unknown Error" },
+    { PJ_EPENDING,      "Pending operation" },
+    { PJ_ETOOMANYCONN,  "Too many connecting sockets" },
+    { PJ_EINVAL,        "Invalid value or argument" },
+    { PJ_ENAMETOOLONG,  "Name too long" },
+    { PJ_ENOTFOUND,     "Not found" },
+    { PJ_ENOMEM,        "Not enough memory" },
+    { PJ_EBUG,          "BUG DETECTED!" },
+    { PJ_ETIMEDOUT,     "Operation timed out" },
+    { PJ_ETOOMANY,      "Too many objects of the specified type"},
+    { PJ_EBUSY,         "Object is busy"},
+    { PJ_ENOTSUP,	"Option/operation is not supported"},
+    { PJ_EINVALIDOP,	"Invalid operation"}
+};
+
+/*
+ * pjlib_error()
+ *
+ * Retrieve message string for PJLIB's own error code.
+ */
+static int pjlib_error(pj_status_t code, char *buf, pj_size_t size)
+{
+    unsigned i;
+
+    for (i=0; i<sizeof(err_str)/sizeof(err_str[0]); ++i) {
+        if (err_str[i].code == code) {
+            pj_size_t len = strlen(err_str[i].msg);
+            if (len >= size) len = size-1;
+            pj_memcpy(buf, err_str[i].msg, len);
+            buf[len] = '\0';
+            return len;
+        }
+    }
+
+    *buf++ = '?';
+    *buf++ = '?';
+    *buf++ = '?';
+    *buf++ = '\0';
+    return 3;
+}
+
+/*
+ * pj_strerror()
+ */
+PJ_DEF(pj_str_t) pj_strerror( pj_status_t statcode, 
+			      char *buf, pj_size_t bufsize )
+{
+    int len = -1;
+    pj_str_t errstr;
+
+    if (statcode < PJ_ERRNO_START + PJ_ERRNO_SPACE_SIZE) {
+        len = pj_snprintf( buf, bufsize, "Unknown error %d", statcode);
+
+    } else if (statcode < PJ_ERRNO_START_STATUS + PJ_ERRNO_SPACE_SIZE) {
+        len = pjlib_error(statcode, buf, bufsize);
+
+    } else if (statcode < PJ_ERRNO_START_SYS + PJ_ERRNO_SPACE_SIZE) {
+        len = platform_strerror(PJ_STATUS_TO_OS(statcode), buf, bufsize);
+
+    } else if (statcode < PJ_ERRNO_START_USER + PJ_ERRNO_SPACE_SIZE) {
+        len = pj_snprintf( buf, bufsize, "User error %d", statcode);
+
+    } else {
+        len = pj_snprintf( buf, bufsize, "Invalid error %d", statcode);
+
+    }
+
+    if (len < 1) {
+        *buf = '\0';
+        len = 0;
+    }
+
+    errstr.ptr = buf;
+    errstr.slen = len;
+
+    return errstr;
+}
+