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Merge pull request #646 from pascal-cuoq/fix_645

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Cast to unsigned char instead of int when calling tolower (Fixes #645)
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Eric Hawicz
2020-07-21 21:24:59 -04:00
committed by GitHub
parent 024e835f4c 1962ba7de3
commit 64de4b6e9f
1 changed files with 1 additions and 1 deletions
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json_tokener.c
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@@ -430,7 +430,7 @@ struct json_object *json_tokener_parse_ex(struct json_tokener *tok, const char *
{ {
char inf_char = *str; char inf_char = *str;
if (!(tok->flags & JSON_TOKENER_STRICT)) if (!(tok->flags & JSON_TOKENER_STRICT))
inf_char = tolower((int)*str); inf_char = tolower((unsigned char)*str);
if (inf_char != _json_inf_str[tok->st_pos]) if (inf_char != _json_inf_str[tok->st_pos])
{ {
tok->err = json_tokener_error_parse_unexpected; tok->err = json_tokener_error_parse_unexpected;