diff options
Diffstat (limited to 'pcre/pcretest.c')
| -rw-r--r-- | pcre/pcretest.c | 92 |
1 files changed, 84 insertions, 8 deletions
diff --git a/pcre/pcretest.c b/pcre/pcretest.c index 8452d2bab6f..b8dc3c67032 100644 --- a/pcre/pcretest.c +++ b/pcre/pcretest.c @@ -233,6 +233,9 @@ argument, the casting might be incorrectly applied. */ #define SET_PCRE_CALLOUT8(callout) \ pcre_callout = callout +#define SET_PCRE_STACK_GUARD8(stack_guard) \ + pcre_stack_guard = stack_guard + #define PCRE_ASSIGN_JIT_STACK8(extra, callback, userdata) \ pcre_assign_jit_stack(extra, callback, userdata) @@ -317,6 +320,9 @@ argument, the casting might be incorrectly applied. */ #define SET_PCRE_CALLOUT16(callout) \ pcre16_callout = (int (*)(pcre16_callout_block *))callout +#define SET_PCRE_STACK_GUARD16(stack_guard) \ + pcre16_stack_guard = (int (*)(void))stack_guard + #define PCRE_ASSIGN_JIT_STACK16(extra, callback, userdata) \ pcre16_assign_jit_stack((pcre16_extra *)extra, \ (pcre16_jit_callback)callback, userdata) @@ -406,6 +412,9 @@ argument, the casting might be incorrectly applied. */ #define SET_PCRE_CALLOUT32(callout) \ pcre32_callout = (int (*)(pcre32_callout_block *))callout +#define SET_PCRE_STACK_GUARD32(stack_guard) \ + pcre32_stack_guard = (int (*)(void))stack_guard + #define PCRE_ASSIGN_JIT_STACK32(extra, callback, userdata) \ pcre32_assign_jit_stack((pcre32_extra *)extra, \ (pcre32_jit_callback)callback, userdata) @@ -533,6 +542,14 @@ cases separately. */ else \ SET_PCRE_CALLOUT8(callout) +#define SET_PCRE_STACK_GUARD(stack_guard) \ + if (pcre_mode == PCRE32_MODE) \ + SET_PCRE_STACK_GUARD32(stack_guard); \ + else if (pcre_mode == PCRE16_MODE) \ + SET_PCRE_STACK_GUARD16(stack_guard); \ + else \ + SET_PCRE_STACK_GUARD8(stack_guard) + #define STRLEN(p) (pcre_mode == PCRE32_MODE ? STRLEN32(p) : pcre_mode == PCRE16_MODE ? STRLEN16(p) : STRLEN8(p)) #define PCRE_ASSIGN_JIT_STACK(extra, callback, userdata) \ @@ -756,6 +773,12 @@ the three different cases. */ else \ G(SET_PCRE_CALLOUT,BITTWO)(callout) +#define SET_PCRE_STACK_GUARD(stack_guard) \ + if (pcre_mode == G(G(PCRE,BITONE),_MODE)) \ + G(SET_PCRE_STACK_GUARD,BITONE)(stack_guard); \ + else \ + G(SET_PCRE_STACK_GUARD,BITTWO)(stack_guard) + #define STRLEN(p) ((pcre_mode == G(G(PCRE,BITONE),_MODE)) ? \ G(STRLEN,BITONE)(p) : G(STRLEN,BITTWO)(p)) @@ -897,6 +920,7 @@ the three different cases. */ #define PCHARSV PCHARSV8 #define READ_CAPTURE_NAME READ_CAPTURE_NAME8 #define SET_PCRE_CALLOUT SET_PCRE_CALLOUT8 +#define SET_PCRE_STACK_GUARD SET_PCRE_STACK_GUARD8 #define STRLEN STRLEN8 #define PCRE_ASSIGN_JIT_STACK PCRE_ASSIGN_JIT_STACK8 #define PCRE_COMPILE PCRE_COMPILE8 @@ -927,6 +951,7 @@ the three different cases. */ #define PCHARSV PCHARSV16 #define READ_CAPTURE_NAME READ_CAPTURE_NAME16 #define SET_PCRE_CALLOUT SET_PCRE_CALLOUT16 +#define SET_PCRE_STACK_GUARD SET_PCRE_STACK_GUARD16 #define STRLEN STRLEN16 #define PCRE_ASSIGN_JIT_STACK PCRE_ASSIGN_JIT_STACK16 #define PCRE_COMPILE PCRE_COMPILE16 @@ -957,6 +982,7 @@ the three different cases. */ #define PCHARSV PCHARSV32 #define READ_CAPTURE_NAME READ_CAPTURE_NAME32 #define SET_PCRE_CALLOUT SET_PCRE_CALLOUT32 +#define SET_PCRE_STACK_GUARD SET_PCRE_STACK_GUARD32 #define STRLEN STRLEN32 #define PCRE_ASSIGN_JIT_STACK PCRE_ASSIGN_JIT_STACK32 #define PCRE_COMPILE PCRE_COMPILE32 @@ -1015,6 +1041,7 @@ static int first_callout; static int jit_was_used; static int locale_set = 0; static int show_malloc; +static int stack_guard_return; static int use_utf; static const unsigned char *last_callout_mark = NULL; @@ -2201,6 +2228,18 @@ return p; /************************************************* +* Stack guard function * +*************************************************/ + +/* Called from PCRE when set in pcre_stack_guard. We give an error (non-zero) +return when a count overflows. */ + +static int stack_guard(void) +{ +return stack_guard_return; +} + +/************************************************* * Callout function * *************************************************/ @@ -2883,8 +2922,8 @@ printf(" -32 use the 32-bit library\n"); #endif printf(" -b show compiled code\n"); printf(" -C show PCRE compile-time options and exit\n"); -printf(" -C arg show a specific compile-time option\n"); -printf(" and exit with its value. The arg can be:\n"); +printf(" -C arg show a specific compile-time option and exit\n"); +printf(" with its value if numeric (else 0). The arg can be:\n"); printf(" linksize internal link size [2, 3, 4]\n"); printf(" pcre8 8 bit library support enabled [0, 1]\n"); printf(" pcre16 16 bit library support enabled [0, 1]\n"); @@ -2892,7 +2931,8 @@ printf(" pcre32 32 bit library support enabled [0, 1]\n"); printf(" utf Unicode Transformation Format supported [0, 1]\n"); printf(" ucp Unicode Properties supported [0, 1]\n"); printf(" jit Just-in-time compiler supported [0, 1]\n"); -printf(" newline Newline type [CR, LF, CRLF, ANYCRLF, ANY, ???]\n"); +printf(" newline Newline type [CR, LF, CRLF, ANYCRLF, ANY]\n"); +printf(" bsr \\R type [ANYCRLF, ANY]\n"); printf(" -d debug: show compiled code and information (-b and -i)\n"); #if !defined NODFA printf(" -dfa force DFA matching for all subjects\n"); @@ -3231,6 +3271,11 @@ while (argc > 1 && argv[op][0] == '-') (void)PCRE_CONFIG(PCRE_CONFIG_NEWLINE, &rc); print_newline_config(rc, TRUE); } + else if (strcmp(argv[op + 1], "bsr") == 0) + { + (void)PCRE_CONFIG(PCRE_CONFIG_BSR, &rc); + printf("%s\n", rc? "ANYCRLF" : "ANY"); + } else if (strcmp(argv[op + 1], "ebcdic") == 0) { #ifdef EBCDIC @@ -3439,6 +3484,7 @@ while (!done) use_utf = 0; debug_lengths = 1; + SET_PCRE_STACK_GUARD(NULL); if (extend_inputline(infile, buffer, " re> ") == NULL) break; if (infile != stdin) fprintf(outfile, "%s", (char *)buffer); @@ -3739,6 +3785,21 @@ while (!done) case 'P': do_posix = 1; break; #endif + case 'Q': + switch (*pp) + { + case '0': + case '1': + stack_guard_return = *pp++ - '0'; + break; + + default: + fprintf(outfile, "** Missing 0 or 1 after /Q\n"); + goto SKIP_DATA; + } + SET_PCRE_STACK_GUARD(stack_guard); + break; + case 'S': do_study = 1; for (;;) @@ -4282,12 +4343,12 @@ while (!done) if (new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits) == 0) { if (start_bits == NULL) - fprintf(outfile, "No set of starting bytes\n"); + fprintf(outfile, "No starting char list\n"); else { int i; int c = 24; - fprintf(outfile, "Starting byte set: "); + fprintf(outfile, "Starting chars: "); for (i = 0; i < 256; i++) { if ((start_bits[i/8] & (1<<(i&7))) != 0) @@ -5192,7 +5253,8 @@ while (!done) if (count * 2 > use_size_offsets) count = use_size_offsets/2; } - /* Output the captured substrings */ + /* Output the captured substrings. Note that, for the matched string, + the use of \K in an assertion can make the start later than the end. */ for (i = 0; i < count * 2; i += 2) { @@ -5208,11 +5270,25 @@ while (!done) } else { + int start = use_offsets[i]; + int end = use_offsets[i+1]; + + if (start > end) + { + start = use_offsets[i+1]; + end = use_offsets[i]; + fprintf(outfile, "Start of matched string is beyond its end - " + "displaying from end to start.\n"); + } + fprintf(outfile, "%2d: ", i/2); - PCHARSV(bptr, use_offsets[i], - use_offsets[i+1] - use_offsets[i], outfile); + PCHARSV(bptr, start, end - start, outfile); if (verify_jit && jit_was_used) fprintf(outfile, " (JIT)"); fprintf(outfile, "\n"); + + /* Note: don't use the start/end variables here because we want to + show the text from what is reported as the end. */ + if (do_showcaprest || (i == 0 && do_showrest)) { fprintf(outfile, "%2d+ ", i/2); |