Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

LibC: Fix regex anchor parsing

Browse Source
This commit is contained in:
Bananymous
2026-07-04 19:17:07 +03:00
parent 2957206718
commit b480f783ec
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
userspace/libraries/LibC/regex.cpp
View File

@@ -346,13 +346,13 @@ int regcomp(regex_t* __restrict preg, const char* __restrict pattern, int cflags
fprintf(stddbg, "regcomp: alternations are not supported"); fprintf(stddbg, "regcomp: alternations are not supported");
REGCOMP_ERROR(REG_BADPAT); REGCOMP_ERROR(REG_BADPAT);
case '^': case '^':
if (!is_extended && i != 0) if (!is_extended || i != 0)
goto case_default; goto case_default;
if (!append_element(current, { _re_anchor_begin, { 1, 1 }, {} })) if (!append_element(current, { _re_anchor_begin, { 1, 1 }, {} }))
REGCOMP_ERROR(REG_ESPACE); REGCOMP_ERROR(REG_ESPACE);
break; break;
case '$': case '$':
if (!is_extended && pattern[i + 1] != '\0') if (!is_extended || pattern[i + 1] != '\0')
goto case_default; goto case_default;
if (!append_element(current, { _re_anchor_end, { 1, 1 }, {} })) if (!append_element(current, { _re_anchor_end, { 1, 1 }, {} }))
REGCOMP_ERROR(REG_ESPACE); 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_openparen;
case ')': goto case_closeparen; case ')': goto case_closeparen;
case '{': goto case_openbrace; 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"); fprintf(stddbg, "regcomp: back-references are not supported");
REGCOMP_ERROR(REG_BADPAT); REGCOMP_ERROR(REG_BADPAT);
} }