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authorKarl Berry <karl@freefriends.org>2009-05-08 16:44:52 +0000
committerKarl Berry <karl@freefriends.org>2009-05-08 16:44:52 +0000
commite466b85f007f70bae104d8fe0c9173a0707d1626 (patch)
treee2d4f0056e39f55deb8b700a935d3041d921bdee /Build/source/texk
parenta8f991d5257a1bc5d95b671d702e5183bfb91e4e (diff)
avoid accessing unallocated memory, from Akira; prettify related errors
git-svn-id: svn://tug.org/texlive/trunk@13011 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk')
-rw-r--r--Build/source/texk/dvipsk/ChangeLog7
-rw-r--r--Build/source/texk/dvipsk/dvips.c15
-rw-r--r--Build/source/texk/dvipsk/resident.c2
3 files changed, 16 insertions, 8 deletions
diff --git a/Build/source/texk/dvipsk/ChangeLog b/Build/source/texk/dvipsk/ChangeLog
index 7ec0655a12c..5167f50475d 100644
--- a/Build/source/texk/dvipsk/ChangeLog
+++ b/Build/source/texk/dvipsk/ChangeLog
@@ -1,3 +1,10 @@
+2009-05-08 Karl Berry <karl@tug.org>
+
+ * resident.c (getpsinfo): avoid accessing unallocated downbuf[-1].
+ * dvips.c (main): do not check iname[-1] if there is no iname.
+ Reports from Akira.
+ Also prettify some related error messages.
+
2009-04-04 Karl Berry <karl@tug.org>
* writet1.c (append_cs_return): new fn.
diff --git a/Build/source/texk/dvipsk/dvips.c b/Build/source/texk/dvipsk/dvips.c
index 7f1bb9cd08e..8a310219135 100644
--- a/Build/source/texk/dvipsk/dvips.c
+++ b/Build/source/texk/dvipsk/dvips.c
@@ -1175,7 +1175,8 @@ default:
}
if (oname[0] == '-' && oname[1] == 0)
oname[0] = 0 ;
- else if (*oname == 0 && ! filter) {
+ else if (*oname == 0 && ! filter && *iname) {
+ /* determine output name from input name */
oname = nextstring ;
#ifndef VMCMS /* get stuff before LAST "." */
lastext = strlen(iname) - 1 ;
@@ -1281,21 +1282,21 @@ default:
SET_BINARY(fileno(stdin)) ;
} else {
#ifdef KPATHSEA
- fprintf (stderr, "Missing DVI file argument (or -f).\n");
- fprintf (stderr, "Try --help for more information.\n");
+ fprintf (stderr, "dvips: Missing DVI file argument (or -f).\n");
+ fprintf (stderr, "dvips: Try --help for more information.\n");
#else
help(1) ;
#endif
exit(1) ;
}
- initcolor() ;
if (dvifile==NULL) {
- extern char errbuf[];
- (void)sprintf(errbuf,"! DVI file <%s> can't be opened.", iname) ;
- error("! DVI file can't be opened.") ;
+ error_with_perror("DVI file can't be opened:", iname);
+ exit(1);
}
if (fseek(dvifile, 0L, 0) < 0)
error("! DVI file must not be a pipe.") ;
+
+ initcolor() ;
#ifdef FONTLIB
fliload(); /* read the font libaries */
#endif
diff --git a/Build/source/texk/dvipsk/resident.c b/Build/source/texk/dvipsk/resident.c
index ec3f7b4d326..9b8be0f8927 100644
--- a/Build/source/texk/dvipsk/resident.c
+++ b/Build/source/texk/dvipsk/resident.c
@@ -964,7 +964,7 @@ void getpsinfo P1C(char *, name)
if (downloadinfo)
strcat(downbuf, downloadinfo) ;
slen = strlen(downbuf) - 1;
- if (downbuf[slen] == ' ') {
+ if (slen > 0 && downbuf[slen] == ' ') {
downbuf[slen] = 0;
}
if (TeXname) {