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Diffstat (limited to 'erts/etc/common/dialyzer.c')
-rw-r--r--erts/etc/common/dialyzer.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/erts/etc/common/dialyzer.c b/erts/etc/common/dialyzer.c
index 4b4c1124f1..04e9199ef3 100644
--- a/erts/etc/common/dialyzer.c
+++ b/erts/etc/common/dialyzer.c
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2006-2009. All Rights Reserved.
+ * Copyright Ericsson AB 2006-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -147,6 +147,9 @@ main(int argc, char** argv)
env = get_env("DIALYZER_EMULATOR");
emulator = env ? env : get_default_emulator(argv[0]);
+ if (strlen(emulator) >= MAXPATHLEN)
+ error("Value of environment variable DIALYZER_EMULATOR is too large");
+
/*
* Allocate the argv vector to be used for arguments to Erlang.
* Arrange for starting to pushing information in the middle of
@@ -228,7 +231,7 @@ main(int argc, char** argv)
static void
push_words(char* src)
{
- char sbuf[1024];
+ char sbuf[MAXPATHLEN];
char* dst;
dst = sbuf;
@@ -360,7 +363,7 @@ error(char* format, ...)
va_list ap;
va_start(ap, format);
- vsprintf(sbuf, format, ap);
+ erts_vsnprintf(sbuf, sizeof(sbuf), format, ap);
va_end(ap);
fprintf(stderr, "dialyzer: %s\n", sbuf);
exit(1);
@@ -389,6 +392,9 @@ get_default_emulator(char* progname)
char sbuf[MAXPATHLEN];
char* s;
+ if (strlen(progname) >= sizeof(sbuf))
+ return ERL_NAME;
+
strcpy(sbuf, progname);
for (s = sbuf+strlen(sbuf); s >= sbuf; s--) {
if (IS_DIRSEP(*s)) {