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Fix potential memory access violation in ecpg if filename of include file is

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shorter than 2 characters.

Patch by: "Wu, Fei" <wufei.fnst@cn.fujitsu.com>
This commit is contained in:
Michael Meskes
2019-03-11 16:11:16 +01:00
parent 5aafedc2fd
commit 8cdce0a455
1 changed files with 1 additions and 1 deletions
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2
src/interfaces/ecpg/preproc/pgc.l
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@@ -1394,7 +1394,7 @@ parse_include(void)
yyin = fopen(inc_file, "r"); yyin = fopen(inc_file, "r");
if (!yyin) if (!yyin)
{ {
if (strcmp(inc_file + strlen(inc_file) - 2, ".h") != 0) if (strlen(inc_file) <= 2 || strcmp(inc_file + strlen(inc_file) - 2, ".h") != 0)
{ {
strcat(inc_file, ".h"); strcat(inc_file, ".h");
yyin = fopen(inc_file, "r"); yyin = fopen(inc_file, "r");