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Diffstat (limited to 'Build/source/texk/kpathsea/win32lib.c')
-rw-r--r--Build/source/texk/kpathsea/win32lib.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/win32lib.c b/Build/source/texk/kpathsea/win32lib.c
index 47753c3a456..77dde008303 100644
--- a/Build/source/texk/kpathsea/win32lib.c
+++ b/Build/source/texk/kpathsea/win32lib.c
@@ -1100,6 +1100,9 @@ int __cdecl win32_system(const char *cmd)
int len, ret;
int spacep = 0;
+ if(cmd == NULL)
+ return 1;
+
av[0] = xstrdup("cmd.exe");
av[1] = xstrdup("/c");