forked from mirror/go-sqlite3
32 lines
962 B
C
32 lines
962 B
C
#include <pcre.h>
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#include <string.h>
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#include <stdio.h>
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#include <sqlite3ext.h>
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SQLITE_EXTENSION_INIT1
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static void regexp_func(sqlite3_context *context, int argc, sqlite3_value **argv) {
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if (argc >= 2) {
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const char *target = (const char *)sqlite3_value_text(argv[1]);
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const char *pattern = (const char *)sqlite3_value_text(argv[0]);
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const char* errstr = NULL;
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int erroff = 0;
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int vec[500];
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int n, rc;
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pcre* re = pcre_compile(pattern, 0, &errstr, &erroff, NULL);
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rc = pcre_exec(re, NULL, target, strlen(target), 0, 0, vec, 500);
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if (rc <= 0) {
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sqlite3_result_error(context, errstr, 0);
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return;
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}
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sqlite3_result_int(context, 1);
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}
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}
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#ifdef _WIN32
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__declspec(dllexport)
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#endif
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int sqlite3_extension_init(sqlite3 *db, char **errmsg, const sqlite3_api_routines *api) {
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SQLITE_EXTENSION_INIT2(api);
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return sqlite3_create_function(db, "regexp", 2, SQLITE_UTF8, (void*)db, regexp_func, NULL, NULL);
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}
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