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prod/support/make/eval-crash.diff at tp-master · tinyprod/prod · GitHub
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Index: variable.h
===================================================================
RCS file: /cvsroot/make/make/variable.h,v
retrieving revision 1.24
diff -u -B -b -r1.24 variable.h
--- variable.h 8 Aug 2002 00:11:19 -0000 1.24
+++ variable.h 25 Oct 2002 21:37:32 -0000
@@ -107,6 +107,8 @@
extern char *expand_argument PARAMS ((char *str, char *end));
extern char *variable_expand_string PARAMS ((char *line, char *string,
long length));
+
extern void install_variable_buffer PARAMS ((char **bufp, unsigned int *lenp));
+
extern void restore_variable_buffer PARAMS ((char *buf, unsigned int len));
/* function.c */
extern int handle_function PARAMS ((char **op, char **stringp));
Index: expand.c
===================================================================
RCS file: /cvsroot/make/make/expand.c,v
retrieving revision 1.33
diff -u -B -b -r1.33 expand.c
--- expand.c 14 Oct 2002 21:54:04 -0000 1.33
+++ expand.c 25 Oct 2002 21:37:32 -0000
@@ -545,3 +545,28 @@
return value;
}
+
+
/* Install a new variable_buffer context, returning the current one for
+
safe-keeping. */
+
+
void
+
install_variable_buffer (char **bufp, unsigned int *lenp)
+
{
+
*bufp = variable_buffer;
+
*lenp = variable_buffer_length;
+
+
variable_buffer = 0;
+
initialize_variable_output ();
+
}
+
+
/* Restore a previously-saved variable_buffer setting (free the current one).
+
*/
+
+
void
+
restore_variable_buffer (char *buf, unsigned int len)
+
{
+
free (variable_buffer);
+
+
variable_buffer = buf;
+
variable_buffer_length = len;
+
}
Index: function.c
===================================================================
RCS file: /cvsroot/make/make/function.c,v
retrieving revision 1.71
diff -u -B -b -r1.71 function.c
--- function.c 14 Oct 2002 21:54:04 -0000 1.71
+++ function.c 25 Oct 2002 21:37:32 -0000
@@ -1196,7 +1196,17 @@
static char *
func_eval (char *o, char **argv, const char *funcname)
{
+
char *buf;
+
unsigned int len;
+
+
/* Eval the buffer. Pop the current variable buffer setting so that the
+
eval'd code can use its own without conflicting. */
+
+
install_variable_buffer (&buf, &len);
+
eval_buffer (argv[0]);
+
+
restore_variable_buffer (buf, len);
return o;
}
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