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patch 8.2.3673: crash when allocating signal stack fails

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Problem:    Crash when allocating signal stack fails.
Solution:   Only using sourcing info when available. (closes #9215)
This commit is contained in:
Bram Moolenaar
2021-11-25 13:39:28 +00:00
parent 71b36206be
commit 0bd8d05638
3 changed files with 5 additions and 2 deletions
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1
src/globals.h
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@@ -288,6 +288,7 @@ EXTERN int msg_no_more INIT(= FALSE); // don't use more prompt, truncate
* Current context is at ga_len - 1.
*/
EXTERN garray_T exestack INIT5(0, 0, sizeof(estack_T), 50, NULL);
#define HAVE_SOURCING_INFO (exestack.ga_data != NULL && exestack.ga_len > 0)
// name of error message source
#define SOURCING_NAME (((estack_T *)exestack.ga_data)[exestack.ga_len - 1].es_name)
// line number in the message source or zero