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ucode: fix parsing \xHH and \0OOO escape sequences

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Both need to add add bytes, not UTF-8 sequences.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2025-10-05 11:30:48 +02:00
parent 7b2c9f6799
commit a64db95a23
1 changed files with 29 additions and 0 deletions
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29
package/utils/ucode/patches/100-lexer-fix-parsing-xHH-and-0OOO-escape-sequences.patch Normal file
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@@ -0,0 +1,29 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Sun, 5 Oct 2025 11:25:15 +0200
Subject: [PATCH] lexer: fix parsing \xHH and \0OOO escape sequences
Both need to add add bytes, not UTF-8 sequences.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/lexer.c
+++ b/lexer.c
@@ -277,7 +277,7 @@ parse_escape(uc_lexer_t *lex, const char
code = code * 16 + hex(ch);
}
- append_utf8(lex, code);
+ uc_vector_push(&lex->buffer, code);
}
/* octal or letter */
@@ -293,7 +293,7 @@ parse_escape(uc_lexer_t *lex, const char
if (code > 255)
return emit_op(lex, -3, TK_ERROR, ucv_string_new("Invalid escape sequence"));
- append_utf8(lex, code);
+ uc_vector_push(&lex->buffer, code);
}
/* ... no octal sequence, handle potential regex macros */