diff options
Diffstat (limited to 'epan/tvbuff.c')
| -rw-r--r-- | epan/tvbuff.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/epan/tvbuff.c b/epan/tvbuff.c index 95e7548608..d37859acbc 100644 --- a/epan/tvbuff.c +++ b/epan/tvbuff.c @@ -44,7 +44,6 @@ #include "wsutil/unicode-utils.h" #include "wsutil/nstime.h" #include "wsutil/time_util.h" -#include "wsutil/ws_mempbrk.h" #include "tvbuff.h" #include "tvbuff-int.h" #include "strutil.h" @@ -755,17 +754,6 @@ fast_ensure_contiguous(tvbuff_t *tvb, const gint offset, const guint length) return NULL; } -static inline const guint8* -guint8_pbrk(const guint8* haystack, size_t haystacklen, const guint8 *needles, guchar *found_needle) -{ - const guint8 *result = ws_mempbrk(haystack, haystacklen, needles); - - if (result && found_needle) - *found_needle = *result; - - return result; -} - /************** ACCESSORS **************/ @@ -1906,21 +1894,22 @@ tvb_find_guint8(tvbuff_t *tvb, const gint offset, const gint maxlength, const gu } static inline gint -tvb_pbrk_guint8_generic(tvbuff_t *tvb, guint abs_offset, guint limit, const guint8 *needles, guchar *found_needle) +tvb_pbrk_guint8_generic(tvbuff_t *tvb, guint abs_offset, guint limit, const tvb_pbrk_pattern* pattern, guchar *found_needle) { const guint8 *ptr; const guint8 *result; ptr = ensure_contiguous(tvb, abs_offset, limit); /* tvb_get_ptr */ - result = guint8_pbrk(ptr, limit, needles, found_needle); + result = tvb_pbrk_exec(ptr, limit, pattern, found_needle); if (!result) return -1; return (gint) ((result - ptr) + abs_offset); } -/* Find first occurrence of any of the needles in tvbuff, starting at offset. + +/* Find first occurrence of any of the pattern chars in tvbuff, starting at offset. * Searches at most maxlength number of bytes; if maxlength is -1, searches * to end of tvbuff. * Returns the offset of the found needle, or -1 if not found. @@ -1928,7 +1917,8 @@ tvb_pbrk_guint8_generic(tvbuff_t *tvb, guint abs_offset, guint limit, const guin * in that case, -1 will be returned if the boundary is reached before * finding needle. */ gint -tvb_pbrk_guint8(tvbuff_t *tvb, const gint offset, const gint maxlength, const guint8 *needles, guchar *found_needle) +tvb_pbrk_pattern_guint8(tvbuff_t *tvb, const gint offset, const gint maxlength, + const tvb_pbrk_pattern* pattern, guchar *found_needle) { const guint8 *result; guint abs_offset; @@ -1950,7 +1940,7 @@ tvb_pbrk_guint8(tvbuff_t *tvb, const gint offset, const gint maxlength, const gu /* If we have real data, perform our search now. */ if (tvb->real_data) { - result = guint8_pbrk(tvb->real_data + abs_offset, limit, needles, found_needle); + result = tvb_pbrk_exec(tvb->real_data + abs_offset, limit, pattern, found_needle); if (result == NULL) { return -1; } @@ -1959,10 +1949,10 @@ tvb_pbrk_guint8(tvbuff_t *tvb, const gint offset, const gint maxlength, const gu } } - if (tvb->ops->tvb_pbrk_guint8) - return tvb->ops->tvb_pbrk_guint8(tvb, abs_offset, limit, needles, found_needle); + if (tvb->ops->tvb_pbrk_pattern_guint8) + return tvb->ops->tvb_pbrk_pattern_guint8(tvb, abs_offset, limit, pattern, found_needle); - return tvb_pbrk_guint8_generic(tvb, abs_offset, limit, needles, found_needle); + return tvb_pbrk_guint8_generic(tvb, abs_offset, limit, pattern, found_needle); } /* Find size of stringz (NUL-terminated string) by looking for terminating @@ -3048,6 +3038,8 @@ tvb_get_nstringz0(tvbuff_t *tvb, const gint offset, const guint bufsize, guint8* } } + +static tvb_pbrk_pattern pbrk_crlf = INIT_PBRK_PATTERN; /* * Given a tvbuff, an offset into the tvbuff, and a length that starts * at that offset (which may be -1 for "all the way to the end of the @@ -3070,16 +3062,11 @@ tvb_get_nstringz0(tvbuff_t *tvb, const gint offset, const guint bufsize, guint8* gint tvb_find_line_end(tvbuff_t *tvb, const gint offset, int len, gint *next_offset, const gboolean desegment) { -#ifdef WIN32 - static const char __declspec(align(16)) crlf[] = "\r\n" ; -#else - static const char crlf[] __attribute__((aligned(16))) = "\r\n" ; -#endif - gint eob_offset; gint eol_offset; int linelen; guchar found_needle = 0; + static gboolean compiled = FALSE; DISSECTOR_ASSERT(tvb && tvb->initialized); @@ -3091,10 +3078,15 @@ tvb_find_line_end(tvbuff_t *tvb, const gint offset, int len, gint *next_offset, */ eob_offset = offset + len; + if (!compiled) { + tvb_pbrk_compile(&pbrk_crlf, "\r\n"); + compiled = TRUE; + } + /* * Look either for a CR or an LF. */ - eol_offset = tvb_pbrk_guint8(tvb, offset, len, crlf, &found_needle); + eol_offset = tvb_pbrk_pattern_guint8(tvb, offset, len, &pbrk_crlf, &found_needle); if (eol_offset == -1) { /* * No CR or LF - line is presumably continued in next packet. @@ -3172,6 +3164,7 @@ tvb_find_line_end(tvbuff_t *tvb, const gint offset, int len, gint *next_offset, return linelen; } +static tvb_pbrk_pattern pbrk_crlf_dquote = INIT_PBRK_PATTERN; /* * Given a tvbuff, an offset into the tvbuff, and a length that starts * at that offset (which may be -1 for "all the way to the end of the @@ -3198,11 +3191,18 @@ tvb_find_line_end_unquoted(tvbuff_t *tvb, const gint offset, int len, gint *next guchar c = 0; gint eob_offset; int linelen; + static gboolean compiled = FALSE; DISSECTOR_ASSERT(tvb && tvb->initialized); if (len == -1) len = _tvb_captured_length_remaining(tvb, offset); + + if (!compiled) { + tvb_pbrk_compile(&pbrk_crlf_dquote, "\r\n\""); + compiled = TRUE; + } + /* * XXX - what if "len" is still -1, meaning "offset is past the * end of the tvbuff"? @@ -3225,7 +3225,7 @@ tvb_find_line_end_unquoted(tvbuff_t *tvb, const gint offset, int len, gint *next /* * Look either for a CR, an LF, or a '"'. */ - char_offset = tvb_pbrk_guint8(tvb, cur_offset, len, "\r\n\"", &c); + char_offset = tvb_pbrk_pattern_guint8(tvb, cur_offset, len, &pbrk_crlf_dquote, &c); } if (char_offset == -1) { /* |