3 <title>pcre_fullinfo specification</title>
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6 <h1>pcre_fullinfo man page</h1>
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19 <b>#include <pcre.h></b>
22 <b>int pcre_fullinfo(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b>
23 <b>int <i>what</i>, void *<i>where</i>);</b>
26 <b>int pcre16_fullinfo(const pcre16 *<i>code</i>, const pcre16_extra *<i>extra</i>,</b>
27 <b>int <i>what</i>, void *<i>where</i>);</b>
33 This function returns information about a compiled pattern. Its arguments are:
35 <i>code</i> Compiled regular expression
36 <i>extra</i> Result of <b>pcre[16]_study()</b> or NULL
37 <i>what</i> What information is required
38 <i>where</i> Where to put the information
40 The following information is available:
42 PCRE_INFO_BACKREFMAX Number of highest back reference
43 PCRE_INFO_CAPTURECOUNT Number of capturing subpatterns
44 PCRE_INFO_DEFAULT_TABLES Pointer to default tables
45 PCRE_INFO_FIRSTBYTE Fixed first data unit for a match, or
46 -1 for start of string
49 PCRE_INFO_FIRSTTABLE Table of first data units (after studying)
50 PCRE_INFO_HASCRORLF Return 1 if explicit CR or LF matches exist
51 PCRE_INFO_JCHANGED Return 1 if (?J) or (?-J) was used
52 PCRE_INFO_JIT Return 1 after successful JIT compilation
53 PCRE_INFO_JITSIZE Size of JIT compiled code
54 PCRE_INFO_LASTLITERAL Literal last data unit required
55 PCRE_INFO_MINLENGTH Lower bound length of matching strings
56 PCRE_INFO_NAMECOUNT Number of named subpatterns
57 PCRE_INFO_NAMEENTRYSIZE Size of name table entry
58 PCRE_INFO_NAMETABLE Pointer to name table
59 PCRE_INFO_OKPARTIAL Return 1 if partial matching can be tried
60 (always returns 1 after release 8.00)
61 PCRE_INFO_OPTIONS Option bits used for compilation
62 PCRE_INFO_SIZE Size of compiled pattern
63 PCRE_INFO_STUDYSIZE Size of study data
65 The <i>where</i> argument must point to an integer variable, except for the
66 following <i>what</i> values:
68 PCRE_INFO_DEFAULT_TABLES const unsigned char *
69 PCRE_INFO_FIRSTTABLE const unsigned char *
70 PCRE_INFO_NAMETABLE PCRE_SPTR16 (16-bit library)
71 PCRE_INFO_NAMETABLE const unsigned char * (8-bit library)
72 PCRE_INFO_OPTIONS unsigned long int
75 The yield of the function is zero on success or:
77 PCRE_ERROR_NULL the argument <i>code</i> was NULL
78 the argument <i>where</i> was NULL
79 PCRE_ERROR_BADMAGIC the "magic number" was not found
80 PCRE_ERROR_BADOPTION the value of <i>what</i> was invalid
84 There is a complete description of the PCRE native API in the
85 <a href="pcreapi.html"><b>pcreapi</b></a>
86 page and a description of the POSIX API in the
87 <a href="pcreposix.html"><b>pcreposix</b></a>
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