+/**************************************************************** \r
+ * Process Wrapper Help functions\r
+ * Creator: lschor, 2008-11-21\r
+ * Description: General process wrapper fucntions\r
+ * \r
+ * Revision: \r
+ * - 2008-11-21: Created\r
+ */\r
+\r
+#ifndef __PROCESS_WRAPPER_HELP_H__\r
+#define __PROCESS_WRAPPER_HELP_H__\r
+\r
+#include <stdarg.h> // Used for va_list\r
+\r
+/**\r
+ * Gets an index of a string, where the index must be separated by\r
+ * a character specified in tokens.\r
+ * Returns -1, when an error occurs.\r
+ *\r
+ * Example:\r
+ * getIndex("name_1_2", "_", 0) will return 1.\r
+ * getIndex("name_1_2", "_", 1) will return 2.\r
+ *\r
+ * @param string string to parse\r
+ * @param tokens delimiter of indices\r
+ * @param indexNumber position of index (starting at 0)\r
+ */\r
+int getIndex(const char* string, char* tokens, int indexNumber) {\r
+ char* string_copy;\r
+ char* token_pointer;\r
+ int index = 0;\r
+\r
+ string_copy = (char*) malloc(sizeof(char) * (strlen(string) + 1));\r
+ if (!string_copy) {\r
+ fprintf(stderr, "getIndex(): could not allocate memory.\n");\r
+ return -1;\r
+ }\r
+\r
+ strcpy(string_copy, string);\r
+\r
+ token_pointer = strtok(string_copy, tokens);\r
+ do {\r
+ token_pointer = strtok(NULL, tokens);\r
+ index++;\r
+ } while (index <= indexNumber && token_pointer != 0);\r
+\r
+ if (token_pointer) {\r
+ index = atoi(token_pointer);\r
+ free(string_copy);\r
+ return index;\r
+ }\r
+\r
+ free(string_copy);\r
+ return -1;\r
+}\r
+\r
+/**\r
+ * Create the port name of an iterated port based on its basename and the\r
+ * given indices.\r
+ *\r
+ * @param port buffer where the result is stored (created using\r
+ * CREATEPORTVAR)\r
+ * @param base basename of the port\r
+ * @param number_of_indices number of dimensions of the port\r
+ * @param index_range_pairs index and range values for each dimension\r
+ */\r
+int *createPort(int *port, int base, int number_of_indices,\r
+ int index_range_pairs, ...) {\r
+ int index[4];\r
+ int range[4];\r
+ int i;\r
+ int value;\r
+\r
+ va_list marker;\r
+ va_start(marker, index_range_pairs);\r
+\r
+ value = index_range_pairs;\r
+ for (i = 0; i < number_of_indices; i++) {\r
+ index[i] = value;\r
+ value = va_arg(marker, int);\r
+ range[i] = value;\r
+ if (i < number_of_indices - 1) {\r
+ value = va_arg(marker, int);\r
+ }\r
+ }\r
+\r
+ *port = base;\r
+ for (i = 0; i < number_of_indices; i++) {\r
+ int j;\r
+ int weight = 1;\r
+ for (j = 1; j < number_of_indices - i; j ++) {\r
+ weight *= range[j];\r
+ }\r
+ *port += index[i] * weight;\r
+ }\r
+\r
+ return port;\r
+}\r
+\r
+#endif\r