libextractor

commit 8968dccfb6f38b47fec287a889a2799f35a38ba8
parent e3e54b4f62f02b7c787ecaf064dba17ee1f1a9ca
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sun, 15 Oct 2017 21:29:17 +0200

check return values from dup2()

Diffstat:
M
src/plugins/pdf_extractor.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/plugins/pdf_extractor.c b/src/plugins/pdf_extractor.c
@@ -178,8 +178,9 @@ EXTRACTOR_pdf_extract_method (struct EXTRACTOR_ExtractContext *ec)
       /* am child, exec 'pdfinfo' */
       close (0);
       close (1);
-      dup2 (in[0], 0);
-      dup2 (out[1], 1);
+      if ( (-1 == dup2 (in[0], 0)) ||
+           (-1 == dup2 (out[1], 1)) )
+        exit (1);
       close (in[0]);
       close (in[1]);
       close (out[0]);