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author | 2016-09-23 09:21:58 +0000 | |
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committer | 2016-09-23 09:21:58 +0000 | |
commit | 25e4f8ab5acd0ef40feec6767a572bebbbe294b3 (patch) | |
tree | 20197c0e46bb6d260f4a310b6d5dd73b8d826f01 /lib/libsqlite3/ext/misc/eval.c | |
parent | remove usr.bin/sqlite3, it has moved back to ports (diff) | |
download | wireguard-openbsd-25e4f8ab5acd0ef40feec6767a572bebbbe294b3.tar.xz wireguard-openbsd-25e4f8ab5acd0ef40feec6767a572bebbbe294b3.zip |
remove lib/libsqlite3, it has moved back to ports
Diffstat (limited to 'lib/libsqlite3/ext/misc/eval.c')
-rw-r--r-- | lib/libsqlite3/ext/misc/eval.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/lib/libsqlite3/ext/misc/eval.c b/lib/libsqlite3/ext/misc/eval.c deleted file mode 100644 index 71b6b69f20a..00000000000 --- a/lib/libsqlite3/ext/misc/eval.c +++ /dev/null @@ -1,122 +0,0 @@ -/* -** 2014-11-10 -** -** The author disclaims copyright to this source code. In place of -** a legal notice, here is a blessing: -** -** May you do good and not evil. -** May you find forgiveness for yourself and forgive others. -** May you share freely, never taking more than you give. -** -****************************************************************************** -** -** This SQLite extension implements SQL function eval() which runs -** SQL statements recursively. -*/ -#include "sqlite3ext.h" -SQLITE_EXTENSION_INIT1 -#include <string.h> - -/* -** Structure used to accumulate the output -*/ -struct EvalResult { - char *z; /* Accumulated output */ - const char *zSep; /* Separator */ - int szSep; /* Size of the separator string */ - sqlite3_int64 nAlloc; /* Number of bytes allocated for z[] */ - sqlite3_int64 nUsed; /* Number of bytes of z[] actually used */ -}; - -/* -** Callback from sqlite_exec() for the eval() function. -*/ -static int callback(void *pCtx, int argc, char **argv, char **colnames){ - struct EvalResult *p = (struct EvalResult*)pCtx; - int i; - for(i=0; i<argc; i++){ - const char *z = argv[i] ? argv[i] : ""; - size_t sz = strlen(z); - if( (sqlite3_int64)sz+p->nUsed+p->szSep+1 > p->nAlloc ){ - char *zNew; - p->nAlloc = p->nAlloc*2 + sz + p->szSep + 1; - /* Using sqlite3_realloc64() would be better, but it is a recent - ** addition and will cause a segfault if loaded by an older version - ** of SQLite. */ - zNew = p->nAlloc<=0x7fffffff ? sqlite3_realloc(p->z, (int)p->nAlloc) : 0; - if( zNew==0 ){ - sqlite3_free(p->z); - memset(p, 0, sizeof(*p)); - return 1; - } - p->z = zNew; - } - if( p->nUsed>0 ){ - memcpy(&p->z[p->nUsed], p->zSep, p->szSep); - p->nUsed += p->szSep; - } - memcpy(&p->z[p->nUsed], z, sz); - p->nUsed += sz; - } - return 0; -} - -/* -** Implementation of the eval(X) and eval(X,Y) SQL functions. -** -** Evaluate the SQL text in X. Return the results, using string -** Y as the separator. If Y is omitted, use a single space character. -*/ -static void sqlEvalFunc( - sqlite3_context *context, - int argc, - sqlite3_value **argv -){ - const char *zSql; - sqlite3 *db; - char *zErr = 0; - int rc; - struct EvalResult x; - - memset(&x, 0, sizeof(x)); - x.zSep = " "; - zSql = (const char*)sqlite3_value_text(argv[0]); - if( zSql==0 ) return; - if( argc>1 ){ - x.zSep = (const char*)sqlite3_value_text(argv[1]); - if( x.zSep==0 ) return; - } - x.szSep = (int)strlen(x.zSep); - db = sqlite3_context_db_handle(context); - rc = sqlite3_exec(db, zSql, callback, &x, &zErr); - if( rc!=SQLITE_OK ){ - sqlite3_result_error(context, zErr, -1); - sqlite3_free(zErr); - }else if( x.zSep==0 ){ - sqlite3_result_error_nomem(context); - sqlite3_free(x.z); - }else{ - sqlite3_result_text(context, x.z, (int)x.nUsed, sqlite3_free); - } -} - - -#ifdef _WIN32 -__declspec(dllexport) -#endif -int sqlite3_eval_init( - sqlite3 *db, - char **pzErrMsg, - const sqlite3_api_routines *pApi -){ - int rc = SQLITE_OK; - SQLITE_EXTENSION_INIT2(pApi); - (void)pzErrMsg; /* Unused parameter */ - rc = sqlite3_create_function(db, "eval", 1, SQLITE_UTF8, 0, - sqlEvalFunc, 0, 0); - if( rc==SQLITE_OK ){ - rc = sqlite3_create_function(db, "eval", 2, SQLITE_UTF8, 0, - sqlEvalFunc, 0, 0); - } - return rc; -} |