diff options
Diffstat (limited to 'thirdparty/pcre2/src/pcre2_convert.c')
| -rw-r--r-- | thirdparty/pcre2/src/pcre2_convert.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/thirdparty/pcre2/src/pcre2_convert.c b/thirdparty/pcre2/src/pcre2_convert.c index bdf9b86df6..d45b6fee97 100644 --- a/thirdparty/pcre2/src/pcre2_convert.c +++ b/thirdparty/pcre2/src/pcre2_convert.c @@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language. Written by Philip Hazel Original API code Copyright (c) 1997-2012 University of Cambridge - New API code Copyright (c) 2016-2017 University of Cambridge + New API code Copyright (c) 2016-2018 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without @@ -276,7 +276,7 @@ while (plength > 0) break; case CHAR_BACKSLASH: - if (plength <= 0) return PCRE2_ERROR_END_BACKSLASH; + if (plength == 0) return PCRE2_ERROR_END_BACKSLASH; if (extended) nextisliteral = TRUE; else { if (*posix < 127 && strchr(posix_meta_escapes, *posix) != NULL) @@ -1066,11 +1066,12 @@ BOOL utf = (options & PCRE2_CONVERT_UTF) != 0; uint32_t pattype = options & TYPE_OPTIONS; if (pattern == NULL || bufflenptr == NULL) return PCRE2_ERROR_NULL; + if ((options & ~ALL_OPTIONS) != 0 || /* Undefined bit set */ (pattype & (~pattype+1)) != pattype || /* More than one type set */ pattype == 0) /* No type set */ { - *bufflenptr = 0; /* Error offset */ + *bufflenptr = 0; /* Error offset */ return PCRE2_ERROR_BADOPTION; } @@ -1081,7 +1082,11 @@ if (ccontext == NULL) ccontext = /* Check UTF if required. */ #ifndef SUPPORT_UNICODE -if (utf) return PCRE2_ERROR_UNICODE_NOT_SUPPORTED; +if (utf) + { + *bufflenptr = 0; /* Error offset */ + return PCRE2_ERROR_UNICODE_NOT_SUPPORTED; + } #else if (utf && (options & PCRE2_CONVERT_NO_UTF_CHECK) == 0) { @@ -1126,6 +1131,7 @@ for (i = 0; i < 2; i++) break; default: + *bufflenptr = 0; /* Error offset */ return PCRE2_ERROR_INTERNAL; } |