From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Thu, 3 May 2012 17:46:25 +0000 (+0000)
Subject: Check the return value of ftruncate(), mostly to stop Ubuntu 12.04's
X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/agedu/commitdiff_plain/4cc1cf917ec78bc543924602c472a56cbf77ba70

Check the return value of ftruncate(), mostly to stop Ubuntu 12.04's
gcc complaining.


git-svn-id: svn://svn.tartarus.org/sgt/agedu@9479 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/agedu.c b/agedu.c
index 7fd2314..411ae6a 100644
--- a/agedu.c
+++ b/agedu.c
@@ -1246,7 +1246,8 @@ int main(int argc, char **argv)
 		indexbuild_free(ib);
 
 		munmap(mappedfile, totalsize);
-		ftruncate(fd, realsize);
+		if (ftruncate(fd, realsize) < 0)
+                    fatal("%s: truncate: %s\n", filename, strerror(errno));
 		close(fd);
 		printf("Final index file size = %llu bytes\n",
 		       (unsigned long long)realsize);