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LibC: Fix regex anchor parsing

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Bananymous
2026-07-04 19:17:07 +03:00
parent 2957206718
commit b480f783ec
1 changed files with 3 additions and 3 deletions
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6
userspace/libraries/LibC/regex.cpp
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@@ -346,13 +346,13 @@ int regcomp(regex_t* __restrict preg, const char* __restrict pattern, int cflags
fprintf(stddbg, "regcomp: alternations are not supported");
REGCOMP_ERROR(REG_BADPAT);
case '^':
if (!is_extended && i != 0)
if (!is_extended || i != 0)
goto case_default;
if (!append_element(current, { _re_anchor_begin, { 1, 1 }, {} }))
REGCOMP_ERROR(REG_ESPACE);
break;
case '$':
if (!is_extended && pattern[i + 1] != '\0')
if (!is_extended || pattern[i + 1] != '\0')
goto case_default;
if (!append_element(current, { _re_anchor_end, { 1, 1 }, {} }))
REGCOMP_ERROR(REG_ESPACE);
@@ -368,7 +368,7 @@ int regcomp(regex_t* __restrict preg, const char* __restrict pattern, int cflags
case '(': goto case_openparen;
case ')': goto case_closeparen;
case '{': goto case_openbrace;
case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
case '1' ... '9':
fprintf(stddbg, "regcomp: back-references are not supported");
REGCOMP_ERROR(REG_BADPAT);
}