View difference between Paste ID: GJTUbdu6 and isfUdfEi

 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
 #include <time.h>
 
 //#define _countof(a) (sizeof(a)/sizeof(*(a)))
 
 #define DoBenchmark
 
 #ifdef DoBenchmark
   #define _Benchmark while (abs(clock()-ttime)<CLOCKS_PER_SEC)
 #else
   #define _Benchmark
 #endif
 
 typedef struct {
     int group;
     const char* rule;
     const char* ldraw_output;
 } Rule;
 
 #include "table.c"
 
 const Rule* ruleIdx[_countof(rules)];
 
 //comparator function for qsort
 int CompareRules( const void* pA , const void* pB ) {
 	return strcmp( (*((const Rule**)pA))->rule , (*((const Rule**)pB))->rule );
 }
 void InitRules() {
 	//set ptrs for each rules element at initial index
 	for (int N=0 ; N<_countof(ruleIdx) ; N++ ) { ruleIdx[N]	= &rules[N]; }
 	qsort( ruleIdx , _countof(ruleIdx) , sizeof(void*) , CompareRules );
 	printf("%i rules\n",_countof(ruleIdx));
 }
 const Rule* FindRule( char* pzRule ) {
 	int iBegin = 0 , iEnd = _countof(ruleIdx);
 	while (iEnd >= iBegin) {
 		//try item from middle
 		int idx = (iBegin+iEnd)/2;
 		const char* pzEntry = ruleIdx[idx]->rule;
 		int iResu = strcmp( pzRule , pzEntry );
 		if (!iResu) { return ruleIdx[idx]; } //found
 		if (iBegin == iEnd) { return NULL; } //NOT found
 		//remove the wrong half of possibilities
 		if (iResu>0) { iBegin= idx+1; } else { iEnd = idx-1; }
 	}
 	return NULL; //NOT found
 }
 
 void NormalizeInput( char* pzInput ) {
 	char WasSpace=1, *pOut = pzInput, C;
 	while ((C=*pzInput++)) {
 		switch (C) {
 		case ' ' : case '\t' : case '\r' : case '\n' :
 		  if (!WasSpace) { *pOut++ = ' '; }
 			WasSpace=1; break;
 		default:
 		  *pOut++ = C; WasSpace=0;
 		}
 	}
-				const Rule* pFound;
+	while (pOut[-1]==' ') { pOut--; }
-				pFound = FindRule( userInput );
+	*pOut = '\0';
-				for (volatile int N=0 ; N<999 ; N++) { pFound = FindRule( userInput ); } //repeat 1000 times for benchmark
+
 
-				ttime = clock()-ttime;
+
 
     InitRules();
 
     FILE *outputFile = fopen("output.txt", "a"); // Open the file in append mode
 
     while (1) {
         char userInput[100];
 
-				printf("took %.03fms\n",(ttime*1.0)/CLOCKS_PER_SEC);
+
         fgets(userInput, 100, stdin);
         userInput[strcspn(userInput, "\n")] = '\0';
 				NormalizeInput( userInput );
 				printf("'%s'\n",userInput);
 
 
         if (strcmp(userInput, "exit") == 0) {
             break;  // Exit the loop if the user types 'exit'
         }
 
 				#ifdef DoBenchmark
 				clock_t ttime = clock();
 				#endif
 				long long iCount = 0;
 
 				const Rule* pFound = NULL;
 				#if 1
 					_Benchmark {
 						pFound = FindRule( userInput );
 						iCount++;
 					}
 				#else
 					_Benchmark {
 						for (int N=0 ; N<_countof(rules) ; N++) {
 							if (!strcmp(userInput , rules[N].rule)) {
 								pFound = &rules[N]; break;
 							}
 						}
 						iCount++;
 					}
 				#endif
 				if (pFound) {
 					printf("%s\n", pFound->ldraw_output);
 					fprintf(outputFile, "%s\n", pFound->ldraw_output);
 				} else {
 					printf("No match found.\n");
 				}
 
 				#ifdef DoBenchmark
 				printf("took %.05fms %lli/s\n",1000.0/iCount,iCount);
 				#endif
 
     }
 
     fclose(outputFile); // Close the file
 
     return 0;
 
 }