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history.c
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history.c
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#include "headers.h"
#include "globals.h"
#include "generics.h"
void saveCommand(char *command)
{
if (command != NULL)
{
char **historyList = getHistoryList();
int historyLength = getHistoryLength();
if (historyLength > 0)
{
if (strcmp(historyList[historyLength - 1], command) == 0)
{
return;
}
}
if (historyLength == MAXHISTORY)
{
int i;
for (i = 0; i < MAXHISTORY - 1; i++)
{
historyList[i] = historyList[i + 1];
}
historyList[i] = command;
}
else
{
historyList[historyLength] = command;
historyLength++;
setHistoryLength(historyLength);
}
char *filePath = concat(getHomeDir(), "/log.txt");
FILE *fd = fopen(filePath, "w");
free(filePath);
for (int i = 0; i < historyLength; i++)
{
char *cmd = historyList[i];
// if (cmd[strlen(cmd) - 1] == '\n')
// {
fprintf(fd, "%s", historyList[i]);
// }
// else
// {
// fprintf(fd, "%s\n", historyList[i]);
// }
if (cmd[strlen(cmd) - 1] != '\n')
{
fprintf(fd, "\n");
}
}
fclose(fd);
}
}
void history(char **parsedCommand, int parsedLength)
{
if (parsedLength == 1 || parsedLength == 2)
{
int historyCount = HISTORYCOUNT;
int upper = getHistoryLength();
if (parsedLength == 2)
{
historyCount = atoi(parsedCommand[1]);
if (historyCount < 0)
{
printf("Error: Count of history cannot be negative\n");
return;
}
else if (historyCount > upper)
{
printf("> Count of history cannot be more than %d\n", upper);
printf("> Truncating count to %d\n", upper);
historyCount = upper;
}
}
char **historyList = getHistoryList();
int lower = upper - historyCount;
if (lower < 0)
{
lower = 0;
}
for (int i = lower; i < upper; i++)
{
char *cmd = historyList[i];
printf("%s", cmd);
if (cmd[strlen(cmd) - 1] != '\n')
{
printf("\n");
}
}
}
else
{
printf("Unsufficient Arguments Supplied\n");
}
}