diff options
Diffstat (limited to 'c/wc.c')
| -rw-r--r-- | c/wc.c | 32 |
1 files changed, 0 insertions, 32 deletions
@@ -1,32 +0,0 @@ -#include "gbos.h" -/* wc [-l][-w][-c] [file]: count lines/words/chars of a file or stdin. */ -void main(void) { - char *argv[8]; - unsigned char argc = argv_parse(argv, 8); - unsigned char wl = hasflag(argv, argc, 'l'); - unsigned char ww = hasflag(argv, argc, 'w'); - unsigned char wch = hasflag(argv, argc, 'c'); - unsigned int lines = 0, words = 0, chars = 0; - unsigned char inword = 0, first = 1, i, fd = NOFD; - char *fname = 0; - int ch; - if (!wl && !ww && !wch) { wl = ww = wch = 1; } - for (i = 0; i < argc; i++) if (argv[i][0] != '-') { fname = argv[i]; break; } - if (fname) { - fd = open(fname, O_READ); - if (fd > 3) { puts("wc: no such file"); nl(); return; } - } - for (;;) { - if (fd > 3) { char c = readc(); if (c == EOF) break; ch = c; } - else { ch = fgetc(fd); if (ch < 0) break; } - chars++; - if (ch == '\n') lines++; - if (ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t') inword = 0; - else if (!inword) { inword = 1; words++; } - } - if (fd != NOFD) close(fd); - if (wl) { putu(lines); first = 0; } - if (ww) { if (!first) putc(' '); putu(words); first = 0; } - if (wch) { if (!first) putc(' '); putu(chars); } - nl(); -} |
