texlive[49141] Build/source/texk/kpathsea: kpathsea: tex-make.c:
commits+preining at tug.org
commits+preining at tug.org
Tue Nov 13 03:35:04 CET 2018
Revision: 49141
http://tug.org/svn/texlive?view=revision&revision=49141
Author: preining
Date: 2018-11-13 03:35:03 +0100 (Tue, 13 Nov 2018)
Log Message:
-----------
kpathsea: tex-make.c: check return value from dup (from Andreas)
Modified Paths:
--------------
trunk/Build/source/texk/kpathsea/ChangeLog
trunk/Build/source/texk/kpathsea/tex-make.c
Modified: trunk/Build/source/texk/kpathsea/ChangeLog
===================================================================
--- trunk/Build/source/texk/kpathsea/ChangeLog 2018-11-12 23:30:23 UTC (rev 49140)
+++ trunk/Build/source/texk/kpathsea/ChangeLog 2018-11-13 02:35:03 UTC (rev 49141)
@@ -1,3 +1,7 @@
+2018-11-12 Andreas Scherer <https://ascherer.github.io>
+
+ * tex-make.c (maketex): check return value from dup(2).
+
2018-07-02 Karl Berry <karl at freefriends.org>
* kpsewhich.c (lookup): warn that --all is ignored with bitmap fonts.
Modified: trunk/Build/source/texk/kpathsea/tex-make.c
===================================================================
--- trunk/Build/source/texk/kpathsea/tex-make.c 2018-11-12 23:30:23 UTC (rev 49140)
+++ trunk/Build/source/texk/kpathsea/tex-make.c 2018-11-13 02:35:03 UTC (rev 49141)
@@ -318,13 +318,21 @@
/* stdin -- the child will not receive input from this */
if (childin != 0) {
close(0);
- dup(childin);
+ if (dup(childin) != 0) {
+ perror("kpathsea: dup(2) failed for stdin");
+ close(childin);
+ _exit(1);
+ }
close(childin);
}
/* stdout -- the output of the child's action */
if (childout[1] != 1) {
close(1);
- dup(childout[1]);
+ if (dup(childout[1]) != 1) {
+ perror("kpathsea: dup(2) failed for stdout");
+ close(childout[1]);
+ _exit(1);
+ }
close(childout[1]);
}
/* stderr -- use /dev/null if we discard errors */
@@ -331,7 +339,11 @@
if (childerr != 2) {
if (kpse->make_tex_discard_errors) {
close(2);
- dup(childerr);
+ if (dup(childerr) != 2) {
+ perror("kpathsea: dup(2) failed for stderr");
+ close(childerr);
+ _exit(1);
+ }
}
close(childerr);
}
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