initial commit

c/resistor-color-duo/src/resistor_color_duo.c

@@ -0,0 +1,26 @@
+#include "resistor_color_duo.h"
+#if defined UNIT_TEST || defined DEBUG
+#include <stdio.h>
+#include <stdlib.h>
+#endif
+
+resistor_band_t color_code(resistor_band_t *colors)
+{
+    resistor_band_t c1=*colors, c2=*(colors+1);
+
+    return c1>=BLACK && c1<=WHITE && c2>=BLACK && c2<=WHITE? c1*10+c2: ERROR;
+}
+
+#ifdef UNIT_TEST
+int main(int ac, char **av)
+{
+    int arg=1;
+    resistor_band_t i[2];
+
+    for (; arg<ac-1; ++arg, ++arg) {
+        *i=atoi(av[arg]);
+        *(i+1)=atoi(av[arg+1]);
+        printf("color(%d, %d)=%d\n", i[0], i[1], color_code(i));
+    }
+}
+#endif

c/resistor-color-duo/src/resistor_color_duo.h

@@ -0,0 +1,25 @@
+#ifndef RESISTOR_COLOR_DUO_H
+#define RESISTOR_COLOR_DUO_H
+
+typedef enum {
+    BLACK=0,
+    BROWN,
+    RED,
+    ORANGE,
+    YELLOW,
+    GREEN,
+    BLUE,
+    VIOLET,
+    GREY,
+    WHITE,
+    ERROR=-1,
+} resistor_band_t;
+
+extern resistor_band_t color_code(resistor_band_t *);
+
+#ifdef TESTALL
+#undef  TEST_IGNORE
+#define TEST_IGNORE() {}
+#endif
+
+#endif