egl: Rework _eglGetSearchPath.

So that the directory part of EGL_DRIVER, if exists, is prepended to the
search path.  This commit also adds a sanity check to _eglLog.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/egl/main/egllog.c b/src/egl/main/egllog.c
index 8f3bae2243d..12c55f901a5 100644
--- a/src/egl/main/egllog.c
+++ b/src/egl/main/egllog.c
@@ -151,6 +151,7 @@ _eglLog(EGLint level, const char *fmtStr, ...)
 {
    va_list args;
    char msg[MAXSTRING];
+   int ret;
 
    /* one-time initialization; a little race here is fine */
    if (!logging.initialized)
@@ -162,7 +163,9 @@ _eglLog(EGLint level, const char *fmtStr, ...)
 
    if (logging.logger) {
       va_start(args, fmtStr);
-      vsnprintf(msg, MAXSTRING, fmtStr, args);
+      ret = vsnprintf(msg, MAXSTRING, fmtStr, args);
+      if (ret < 0 || ret >= MAXSTRING)
+         strcpy(msg, "<message truncated>");
       va_end(args);
 
       logging.logger(level, msg);