57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* pager functionality by Joseph Spainhour" <spainhou@bellsouth.net> */
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#include <ncurses.h>
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#include <stdlib.h>
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int main(int argc, char *argv[])
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{
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int ch, prev, row, col;
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prev = EOF;
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FILE *fp;
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int y, x;
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if(argc != 2)
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{
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printf("Usage: %s <a c file name>\n", argv[0]);
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exit(1);
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}
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fp = fopen(argv[1], "r");
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if(fp == NULL)
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{
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perror("Cannot open input file");
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exit(1);
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}
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initscr(); /* Start curses mode */
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getmaxyx(stdscr, row, col); /* find the boundaries of the screeen */
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while((ch = fgetc(fp)) != EOF) /* read the file till we reach the end */
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{
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getyx(stdscr, y, x); /* get the current curser position */
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if(y == (row - 1)) /* are we are at the end of the screen */
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{
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printw("<-Press Any Key->"); /* tell the user to press a key */
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getch();
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clear(); /* clear the screen */
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move(0, 0); /* start at the beginning of the screen */
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}
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if(prev == '/' && ch == '*') /* If it is / and * then only
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* switch bold on */
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{
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attron(A_BOLD); /* cut bold on */
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getyx(stdscr, y, x); /* get the current curser position */
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move(y, x - 1); /* back up one space */
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printw("%c%c", '/', ch); /* The actual printing is done here */
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} else {
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printw("%c", ch);
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}
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refresh();
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if(prev == '*' && ch == '/') {
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attroff(A_BOLD); /* Switch it off once we got */
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}
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/* and then / */
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prev = ch;
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}
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endwin(); /* End curses mode */
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fclose(fp);
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return 0;
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}
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