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[3.13] gh-123229: Fix valgrind warning by initializing the f-string buffers to 0 in the tokenizer (GH-123263) (#123264) 

gh-123229: Fix valgrind warning by initializing the f-string buffers to 0 in the tokenizer (GH-123263)
(cherry picked from commit adc5190014)

Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-08-23 14:59:54 +02:00 committed by GitHub
parent 0955db1bd8
commit 935b8b422b
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2 changed files with 4 additions and 1 deletions
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2
Misc/NEWS.d/next/Core and Builtins/2024-08-23-13-08-27.gh-issue-123229.aHm-dw.rst Normal file
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@ -0,0 +1,2 @@
Fix valgrind warning by initializing the f-string buffers to 0 in the
tokenizer. Patch by Pablo Galindo

3
Parser/lexer/state.c
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@ -12,7 +12,8 @@
struct tok_state *
_PyTokenizer_tok_new(void)
{
struct tok_state *tok = (struct tok_state *)PyMem_Malloc(
struct tok_state *tok = (struct tok_state *)PyMem_Calloc(
1,
sizeof(struct tok_state));
if (tok == NULL)
return NULL;