diff options
Diffstat (limited to 'handle.c')
| -rw-r--r-- | handle.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/handle.c b/handle.c deleted file mode 100644 index 1d18b8c2fc82..000000000000 --- a/handle.c +++ /dev/null @@ -1,174 +0,0 @@ -#include "handle.h" -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <signal.h> - -int error(char* message) { - - fprintf(stderr, "%s: %s\n", "ttyvideo", message); - - return 1; - -} - -static int numOptionsSpecified = 0; -static int numUniqueOptionsSpecified = 0; -static char** argumentCallMap = NULL; -static char** argumentMemStore = NULL; -static int* argumentNumStore = NULL; -static char** helpMessages = NULL; -static char* defaultArg = NULL; -static char* defaultArgHelp = NULL; - -#define MAX_ARG_SIZE 200 - -char* setDefaultArgument(char* helpText) { - - defaultArg = (char*)malloc(sizeof(char) * MAX_ARG_SIZE); - defaultArgHelp = (char*)malloc(sizeof(char) * strlen(helpText)); - strcpy(defaultArgHelp, helpText); - - defaultArg[0] = '\0'; - - return defaultArg; - -} - -#define MAX_ACCESS_MAP_SIZE 100 -#define MAX_HELP_MESSAGE_ARRAY_SIZE 100 - -char* addArgument(char* helpText, int numArguments, char* firstCall, char* secondCall) { - - if(firstCall == NULL) { - fprintf(stderr, "No option specified for parameter\n"); - return NULL; - } - if(firstCall[0] != '-') { - fprintf(stderr, "Option '%s' does not start with a '-'\n", firstCall); - return NULL; - } - if(secondCall != NULL && secondCall[0] != '-') { - fprintf(stderr, "Option '%s' does not start with a '-'\n", secondCall); - } - - if(argumentCallMap == NULL) { - argumentCallMap = (char**)malloc(sizeof(char*) * MAX_ACCESS_MAP_SIZE); - } - if(argumentMemStore == NULL) { - argumentMemStore = (char**)malloc(sizeof(char*) * MAX_ACCESS_MAP_SIZE); - } - if(argumentNumStore == NULL) { - argumentNumStore = (int*)malloc(sizeof(int*) * MAX_ACCESS_MAP_SIZE); - } - if(helpMessages == NULL) { - helpMessages = (char**)malloc(sizeof(char*) * MAX_HELP_MESSAGE_ARRAY_SIZE); - } - - // TODO: Add ability to allocate lots of these - char* argumentMemLocation = (char*)malloc(sizeof(char) * MAX_ARG_SIZE); - if(argumentMemLocation == NULL) { - fprintf(stderr, "Couldn't allocate memory to store argument to pass to %s", firstCall); - return NULL; - } - argumentMemLocation[0] = '\0'; - - int argumentAccessLocation = numOptionsSpecified++; - argumentCallMap[argumentAccessLocation] = (char*)malloc(sizeof(char) * strlen(firstCall)); - strcpy(argumentCallMap[argumentAccessLocation], firstCall); - argumentMemStore[argumentAccessLocation] = argumentMemLocation; - argumentNumStore[argumentAccessLocation] = numArguments; - - - if(secondCall == NULL) { - - helpMessages[numUniqueOptionsSpecified] = (char*)malloc(sizeof(char) * (strlen(helpText) + strlen(firstCall) + 4)); - - strcpy(helpMessages[numUniqueOptionsSpecified], firstCall); - strcat(helpMessages[numUniqueOptionsSpecified], ":\t"); - strcat(helpMessages[numUniqueOptionsSpecified], helpText); - - numUniqueOptionsSpecified++; - - return argumentMemLocation; - } - - helpMessages[numUniqueOptionsSpecified] = (char*)malloc(sizeof(char) * (strlen(helpText) + strlen(firstCall) + 2 + 4 + strlen(secondCall))); - - strcpy(helpMessages[numUniqueOptionsSpecified], firstCall); - strcat(helpMessages[numUniqueOptionsSpecified], ", "); - strcat(helpMessages[numUniqueOptionsSpecified], secondCall); - strcat(helpMessages[numUniqueOptionsSpecified], ":\t"); - strcat(helpMessages[numUniqueOptionsSpecified], helpText); - - numUniqueOptionsSpecified++; - - argumentAccessLocation = numOptionsSpecified++; - argumentCallMap[argumentAccessLocation] = (char*)malloc(sizeof(char) * strlen(secondCall)); - strcpy(argumentCallMap[argumentAccessLocation], secondCall); - argumentMemStore[argumentAccessLocation] = argumentMemLocation; - argumentNumStore[argumentAccessLocation] = numArguments; - - return argumentMemLocation; -} - -void printUsage() { - - if(helpMessages != NULL) { - register int i; - for(i = 0; i < numUniqueOptionsSpecified; ++i) { - printf("%s\n", helpMessages[i]); - } - } else { - printf("No options to display\n"); - } - -} - -int handle(int argc, char** argv) { - - register int i, j; - int numArguments; - for(i = 1; i < argc; ++i) { - for(j = 0; j < numOptionsSpecified; ++j) { - if(argv[i][0] != '-') { - if(defaultArg == NULL) { - fprintf(stderr, "Argument '%s' was passed without an option, and no default argument has been set\n", argv[0]); - return 1; - } - if(defaultArg[0] != '\0') { - fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); - return 1; - } - strcpy(defaultArg, argv[i]); - break; - } - if(strcmp(argv[i], argumentCallMap[j])) - continue; - numArguments = argumentNumStore[j]; - if(numArguments) { - if(i < argc - 1 && argv[i+1][0] != '-') { - strcpy(argumentMemStore[j], argv[++i]); - } else { - fprintf(stderr, "Option '%s' requires an argument\n", argv[i]); - return 1; - } - } - else - strcpy(argumentMemStore[j], "1"); // The option is present - break; - } - if(j == numOptionsSpecified) { - fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); - return 1; - } - } - - return 0; - -} - -void sig_handler(int signo) { - if(signo == SIGINT) - terminate = 1; -} |