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authordkf <donal.k.fellows@manchester.ac.uk>2017-02-18 16:24:09 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2017-02-18 16:24:09 (GMT)
commitfcf8e64d6b12e1682af90b9e25b364e22d04c7bf (patch)
treeb3f02f30b55376e1da06a9470a8624fb2c88f9ed /generic/tclCmdMZ.c
parent768fa857c25a31f96cfdfeeb34e8628f68ddb7ba (diff)
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Testing for some error cases.
Diffstat (limited to 'generic/tclCmdMZ.c')
-rw-r--r--generic/tclCmdMZ.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/generic/tclCmdMZ.c b/generic/tclCmdMZ.c
index 110de4c..d5a6b01 100644
--- a/generic/tclCmdMZ.c
+++ b/generic/tclCmdMZ.c
@@ -677,6 +677,14 @@ Tcl_RegsubObjCmd(
if (Tcl_ListObjLength(interp, objv[2], &numParts) != TCL_OK) {
return TCL_ERROR;
}
+ if (numParts < 1) {
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "command prefix must be a list of at least one element",
+ -1));
+ Tcl_SetErrorCode(interp, "TCL", "OPERATION", "REGSUB",
+ "CMDEMPTY", NULL);
+ return TCL_ERROR;
+ }
regExpr = Tcl_GetRegExpFromObj(interp, objv[0], cflags);
}