commit

du1/program.c

@@ -2,45 +2,51 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
+#include <ctype.h>
 
 #define LINE_SIZE 1024
 
 int main() {
     char line[LINE_SIZE];
     char* endptr = NULL;
-    char* start = NULL;
-
-    memset(line, 0, LINE_SIZE);
-    char* r1 = fgets(line, LINE_SIZE, stdin);
-    assert(r1 != NULL);
-
-    double x = strtod(line, NULL);
-
-    memset(line, 0, LINE_SIZE);
-    char* r2 = fgets(line, LINE_SIZE, stdin);
-    assert(r2 != NULL);
-
-    int len = strlen(line);
-    start = line;
-
-    double result = 0.0;
+    char* r = NULL;
+    double x = 0, val = 0, result = 0;
     int first = 1;
+    int count = 0;
 
-    while (start < (line + len)) {
-        double val = strtod(start, &endptr);
+    memset(line, 0, LINE_SIZE);
+    r = fgets(line, LINE_SIZE, stdin);
 
-        if (start != endptr) {
-            if (first) {
-                result = val;
-                first = 0;
-            } else {
-                result = result * x + val;
-            }
-            start = endptr;
-        } else {
+    if (r == NULL) {
+        printf("Nepodarilo sa nacitat hodnotu x.\n");
+        return 1;
+    }
+    assert(r != NULL);
+    x = strtod(line, &endptr);
+    if (line == endptr) {
+        printf("Nepodarilo sa nacitat hodnotu x.\n");
+        return 1;
+    }
+    while (fgets(line, LINE_SIZE, stdin) != NULL) {
+        if (strlen(line) <= 1 && (line[0] == '\n' || line[0] == '\r')) {
             break;
         }
+        char *ptr = line;
+        while (isspace((unsigned char)*ptr)) ptr++;
+        if (*ptr == '\0') break;
+        val = strtod(line, &endptr);
+        if (line == endptr) {
+            printf("Nepodarilo sa nacitat koeficient %d.\n", count);
+            return 1;
+        }
+        if (first) {
+            result = val;
+            first = 0;
+        } else {
+            result = result * x + val;
+        }
+        count++;
     }
-
+    printf("Vysledok je: %.2f\n", result);
     return 0;
 }