no-more-secrets-rust/src/nms.c

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#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#define SPACE 040
#define NEWLINE 012
int getTermSizeRows(void);
int getTermSizeCols(void);
void clearTermWindow(int, int);
int main(void) {
int termSizeRows = getTermSizeRows();
int termSizeCols = getTermSizeCols();
char *inputBuffer;
inputBuffer = malloc(sizeof(char));
clearTermWindow(termSizeRows, termSizeCols);
// Geting input
int c, i = 0;
while ((c = getchar()) != EOF) {
inputBuffer = realloc(inputBuffer, sizeof(char) * (i + 2));
inputBuffer[i] = c;
++i;
}
inputBuffer[i] = '\0';
printf("%s", inputBuffer);
free(inputBuffer);
return 0;
}
int getTermSizeRows(void) {
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
return w.ws_row;
}
int getTermSizeCols(void) {
struct winsize w;
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
return w.ws_col;
}
void clearTermWindow(int pRows, int pCols) {
int row, col;
printf("rows: %i, cols: %i\n", pRows, pCols);
// Clearing window
for (row = 1; row <= pRows; ++row) {
for (col = 1; col <= pCols; ++col)
printf("\033[%i;%iH%c", row, col, SPACE);
printf("\033[%i;%iH%c", row, col, NEWLINE);
}
// Position cursor at the top
printf("\033[%i;%iH", 1, 1);
}