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segment: Fix read past end of buffer when input ends in '-'.
[pspp]
/
src
/
language
/
lexer
/
segment.c
diff --git
a/src/language/lexer/segment.c
b/src/language/lexer/segment.c
index 4a6fefb4c25d1e7c1441cd1a6a8d43f5b76b1873..e5d0af235213443ada5b2df9994e78eeaae97373 100644
(file)
--- a/
src/language/lexer/segment.c
+++ b/
src/language/lexer/segment.c
@@
-943,9
+943,9
@@
segmenter_parse_mid_command__ (struct segmenter *s,
ofs = skip_spaces (input, n, eof, 1);
if (ofs < 0)
return -1;
ofs = skip_spaces (input, n, eof, 1);
if (ofs < 0)
return -1;
- else if (c_isdigit (input[ofs]))
+ else if (
ofs < n &&
c_isdigit (input[ofs]))
return segmenter_parse_number__ (s, input, n, eof, type, ofs);
return segmenter_parse_number__ (s, input, n, eof, type, ofs);
- else if (input[ofs] == '.')
+ else if (
ofs < n &&
input[ofs] == '.')
{
if (ofs + 1 >= n)
{
{
if (ofs + 1 >= n)
{