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Add test code for LSM to the ext/lsm1/lsm-test directory.
FossilOrigin-Name: bb7436e84a315baf05f00e6cab396017e3f287ea404d32e0cc4f389fa1194dec
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220
ext/lsm1/lsm-test/lsmtest_util.c
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220
ext/lsm1/lsm-test/lsmtest_util.c
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/time.h>
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/*
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** Global variables used within this module.
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*/
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static struct TestutilGlobal {
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char **argv;
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int argc;
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} g = {0, 0};
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static struct TestutilRnd {
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unsigned int aRand1[2048]; /* Bits 0..10 */
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unsigned int aRand2[2048]; /* Bits 11..21 */
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unsigned int aRand3[1024]; /* Bits 22..31 */
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} r;
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/*************************************************************************
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** The following block is a copy of the implementation of SQLite function
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** sqlite3_randomness. This version has two important differences:
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**
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** 1. It always uses the same seed. So the sequence of random data output
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** is the same for every run of the program.
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**
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** 2. It is not threadsafe.
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*/
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static struct sqlite3PrngType {
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unsigned char i, j; /* State variables */
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unsigned char s[256]; /* State variables */
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} sqlite3Prng = {
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0xAF, 0x28,
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{
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0x71, 0xF5, 0xB4, 0x6E, 0x80, 0xAB, 0x1D, 0xB8,
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0xFB, 0xB7, 0x49, 0xBF, 0xFF, 0x72, 0x2D, 0x14,
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0x79, 0x09, 0xE3, 0x78, 0x76, 0xB0, 0x2C, 0x0A,
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0x8E, 0x23, 0xEE, 0xDF, 0xE0, 0x9A, 0x2F, 0x67,
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0xE1, 0xBE, 0x0E, 0xA7, 0x08, 0x97, 0xEB, 0x77,
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0x78, 0xBA, 0x9D, 0xCA, 0x49, 0x4C, 0x60, 0x9A,
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0xF6, 0xBD, 0xDA, 0x7F, 0xBC, 0x48, 0x58, 0x52,
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0xE5, 0xCD, 0x83, 0x72, 0x23, 0x52, 0xFF, 0x6D,
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0xEF, 0x0F, 0x82, 0x29, 0xA0, 0x83, 0x3F, 0x7D,
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0xA4, 0x88, 0x31, 0xE7, 0x88, 0x92, 0x3B, 0x9B,
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0x3B, 0x2C, 0xC2, 0x4C, 0x71, 0xA2, 0xB0, 0xEA,
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0x36, 0xD0, 0x00, 0xF1, 0xD3, 0x39, 0x17, 0x5D,
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0x2A, 0x7A, 0xE4, 0xAD, 0xE1, 0x64, 0xCE, 0x0F,
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0x9C, 0xD9, 0xF5, 0xED, 0xB0, 0x22, 0x5E, 0x62,
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0x97, 0x02, 0xA3, 0x8C, 0x67, 0x80, 0xFC, 0x88,
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0x14, 0x0B, 0x15, 0x10, 0x0F, 0xC7, 0x40, 0xD4,
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0xF1, 0xF9, 0x0E, 0x1A, 0xCE, 0xB9, 0x1E, 0xA1,
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0x72, 0x8E, 0xD7, 0x78, 0x39, 0xCD, 0xF4, 0x5D,
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0x2A, 0x59, 0x26, 0x34, 0xF2, 0x73, 0x0B, 0xA0,
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0x02, 0x51, 0x2C, 0x03, 0xA3, 0xA7, 0x43, 0x13,
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0xE8, 0x98, 0x2B, 0xD2, 0x53, 0xF8, 0xEE, 0x91,
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0x7D, 0xE7, 0xE3, 0xDA, 0xD5, 0xBB, 0xC0, 0x92,
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0x9D, 0x98, 0x01, 0x2C, 0xF9, 0xB9, 0xA0, 0xEB,
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0xCF, 0x32, 0xFA, 0x01, 0x49, 0xA5, 0x1D, 0x9A,
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0x76, 0x86, 0x3F, 0x40, 0xD4, 0x89, 0x8F, 0x9C,
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0xE2, 0xE3, 0x11, 0x31, 0x37, 0xB2, 0x49, 0x28,
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0x35, 0xC0, 0x99, 0xB6, 0xD0, 0xBC, 0x66, 0x35,
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0xF7, 0x83, 0x5B, 0xD7, 0x37, 0x1A, 0x2B, 0x18,
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0xA6, 0xFF, 0x8D, 0x7C, 0x81, 0xA8, 0xFC, 0x9E,
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0xC4, 0xEC, 0x80, 0xD0, 0x98, 0xA7, 0x76, 0xCC,
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0x9C, 0x2F, 0x7B, 0xFF, 0x8E, 0x0E, 0xBB, 0x90,
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0xAE, 0x13, 0x06, 0xF5, 0x1C, 0x4E, 0x52, 0xF7
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}
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};
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/* Generate and return single random byte */
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static unsigned char randomByte(void){
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unsigned char t;
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sqlite3Prng.i++;
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t = sqlite3Prng.s[sqlite3Prng.i];
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sqlite3Prng.j += t;
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sqlite3Prng.s[sqlite3Prng.i] = sqlite3Prng.s[sqlite3Prng.j];
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sqlite3Prng.s[sqlite3Prng.j] = t;
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t += sqlite3Prng.s[sqlite3Prng.i];
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return sqlite3Prng.s[t];
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}
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/*
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** Return N random bytes.
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*/
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static void randomBlob(int nBuf, unsigned char *zBuf){
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int i;
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for(i=0; i<nBuf; i++){
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zBuf[i] = randomByte();
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}
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}
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/*
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** End of code copied from SQLite.
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*************************************************************************/
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int testPrngInit(void){
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randomBlob(sizeof(r.aRand1), (unsigned char *)r.aRand1);
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randomBlob(sizeof(r.aRand2), (unsigned char *)r.aRand2);
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randomBlob(sizeof(r.aRand3), (unsigned char *)r.aRand3);
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return 0;
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}
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unsigned int testPrngValue(unsigned int iVal){
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return
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r.aRand1[iVal & 0x000007FF] ^
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r.aRand2[(iVal>>11) & 0x000007FF] ^
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r.aRand3[(iVal>>22) & 0x000003FF]
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;
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}
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void testPrngArray(unsigned int iVal, unsigned int *aOut, int nOut){
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int i;
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for(i=0; i<nOut; i++){
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aOut[i] = testPrngValue(iVal+i);
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}
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}
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void testPrngString(unsigned int iVal, char *aOut, int nOut){
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int i;
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for(i=0; i<(nOut-1); i++){
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aOut[i] = 'a' + (testPrngValue(iVal+i) % 26);
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}
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aOut[i] = '\0';
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}
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void testErrorInit(int argc, char **argv){
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g.argc = argc;
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g.argv = argv;
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}
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void testPrintError(const char *zFormat, ...){
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va_list ap;
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va_start(ap, zFormat);
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vfprintf(stderr, zFormat, ap);
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va_end(ap);
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}
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void testPrintFUsage(const char *zFormat, ...){
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va_list ap;
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va_start(ap, zFormat);
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fprintf(stderr, "Usage: %s %s ", g.argv[0], g.argv[1]);
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vfprintf(stderr, zFormat, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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}
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void testPrintUsage(const char *zArgs){
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testPrintError("Usage: %s %s %s\n", g.argv[0], g.argv[1], zArgs);
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}
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static void argError(void *aData, const char *zType, int sz, const char *zArg){
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struct Entry { const char *zName; };
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struct Entry *pEntry;
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const char *zPrev = 0;
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testPrintError("unrecognized %s \"%s\": must be ", zType, zArg);
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for(pEntry=(struct Entry *)aData;
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pEntry->zName;
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pEntry=(struct Entry *)&((unsigned char *)pEntry)[sz]
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){
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if( zPrev ){ testPrintError("%s, ", zPrev); }
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zPrev = pEntry->zName;
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}
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testPrintError("or %s\n", zPrev);
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}
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int testArgSelectX(
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void *aData,
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const char *zType,
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int sz,
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const char *zArg,
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int *piOut
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){
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struct Entry { const char *zName; };
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struct Entry *pEntry;
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int nArg = strlen(zArg);
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int i = 0;
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int iOut = -1;
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int nOut = 0;
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for(pEntry=(struct Entry *)aData;
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pEntry->zName;
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pEntry=(struct Entry *)&((unsigned char *)pEntry)[sz]
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){
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int nName = strlen(pEntry->zName);
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if( nArg<=nName && memcmp(pEntry->zName, zArg, nArg)==0 ){
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iOut = i;
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if( nName==nArg ){
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nOut = 1;
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break;
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}
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nOut++;
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}
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i++;
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}
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if( nOut!=1 ){
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argError(aData, zType, sz, zArg);
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}else{
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*piOut = iOut;
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}
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return (nOut!=1);
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}
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struct timeval zero_time;
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void testTimeInit(void){
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gettimeofday(&zero_time, 0);
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}
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int testTimeGet(void){
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struct timeval now;
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gettimeofday(&now, 0);
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return
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(((int)now.tv_sec - (int)zero_time.tv_sec)*1000) +
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(((int)now.tv_usec - (int)zero_time.tv_usec)/1000);
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}
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