diff options
Diffstat (limited to 'subversion/libsvn_subr/eol.c')
-rw-r--r-- | subversion/libsvn_subr/eol.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/subversion/libsvn_subr/eol.c b/subversion/libsvn_subr/eol.c index e63cf1113577c..d04afd71c2e39 100644 --- a/subversion/libsvn_subr/eol.c +++ b/subversion/libsvn_subr/eol.c @@ -38,25 +38,25 @@ svn_eol__find_eol_start(char *buf, apr_size_t len) /* Scan the input one machine word at a time. */ for (; len > sizeof(apr_uintptr_t) ; buf += sizeof(apr_uintptr_t), len -= sizeof(apr_uintptr_t)) - { - /* This is a variant of the well-known strlen test: */ - apr_uintptr_t chunk = *(const apr_uintptr_t *)buf; - - /* A byte in SVN__R_TEST is \0, iff it was \r in *BUF. - * Similarly, SVN__N_TEST is an indicator for \n. */ - apr_uintptr_t r_test = chunk ^ SVN__R_MASK; - apr_uintptr_t n_test = chunk ^ SVN__N_MASK; - - /* A byte in SVN__R_TEST can only be < 0x80, iff it has been \0 before - * (i.e. \r in *BUF). Ditto for SVN__N_TEST. */ - r_test |= (r_test & SVN__LOWER_7BITS_SET) + SVN__LOWER_7BITS_SET; - n_test |= (n_test & SVN__LOWER_7BITS_SET) + SVN__LOWER_7BITS_SET; - - /* Check whether at least one of the words contains a byte <0x80 - * (if one is detected, there was a \r or \n in CHUNK). */ - if ((r_test & n_test & SVN__BIT_7_SET) != SVN__BIT_7_SET) - break; - } + { + /* This is a variant of the well-known strlen test: */ + apr_uintptr_t chunk = *(const apr_uintptr_t *)buf; + + /* A byte in SVN__R_TEST is \0, iff it was \r in *BUF. + * Similarly, SVN__N_TEST is an indicator for \n. */ + apr_uintptr_t r_test = chunk ^ SVN__R_MASK; + apr_uintptr_t n_test = chunk ^ SVN__N_MASK; + + /* A byte in SVN__R_TEST can only be < 0x80, iff it has been \0 before + * (i.e. \r in *BUF). Ditto for SVN__N_TEST. */ + r_test |= (r_test & SVN__LOWER_7BITS_SET) + SVN__LOWER_7BITS_SET; + n_test |= (n_test & SVN__LOWER_7BITS_SET) + SVN__LOWER_7BITS_SET; + + /* Check whether at least one of the words contains a byte <0x80 + * (if one is detected, there was a \r or \n in CHUNK). */ + if ((r_test & n_test & SVN__BIT_7_SET) != SVN__BIT_7_SET) + break; + } #endif |