diff options
Diffstat (limited to 'util/sbase/wc.c')
-rw-r--r-- | util/sbase/wc.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/util/sbase/wc.c b/util/sbase/wc.c new file mode 100644 index 00000000..c89d19f8 --- /dev/null +++ b/util/sbase/wc.c @@ -0,0 +1,122 @@ +/* See LICENSE file for copyright and license details. */ +#include <string.h> + +#include "utf.h" +#include "util.h" + +static int lflag = 0; +static int wflag = 0; +static char cmode = 0; +static size_t tc = 0, tl = 0, tw = 0; + +static void +output(const char *str, size_t nc, size_t nl, size_t nw) +{ + int first = 1; + + if (lflag) { + first = 0; + printf("%zu", nl); + } + if (wflag) { + if (!first) + putchar(' '); + first = 0; + printf("%zu", nw); + } + if (cmode) { + if (!first) + putchar(' '); + printf("%zu", nc); + } + if (str) + printf(" %s", str); + putchar('\n'); +} + +static void +wc(FILE *fp, const char *str) +{ + int word = 0, rlen; + Rune c; + size_t nc = 0, nl = 0, nw = 0; + + while ((rlen = efgetrune(&c, fp, str))) { + nc += (cmode == 'c') ? rlen : (c != Runeerror); + if (c == '\n') + nl++; + if (!isspacerune(c)) + word = 1; + else if (word) { + word = 0; + nw++; + } + } + if (word) + nw++; + tc += nc; + tl += nl; + tw += nw; + output(str, nc, nl, nw); +} + +static void +usage(void) +{ + eprintf("usage: %s [-c | -m] [-lw] [file ...]\n", argv0); +} + +int +main(int argc, char *argv[]) +{ + FILE *fp; + int many; + int ret = 0; + + ARGBEGIN { + case 'c': + cmode = 'c'; + break; + case 'm': + cmode = 'm'; + break; + case 'l': + lflag = 1; + break; + case 'w': + wflag = 1; + break; + default: + usage(); + } ARGEND + + if (!lflag && !wflag && !cmode) { + cmode = 'c'; + lflag = 1; + wflag = 1; + } + + if (!argc) { + wc(stdin, NULL); + } else { + for (many = (argc > 1); *argv; argc--, argv++) { + if (!strcmp(*argv, "-")) { + *argv = "<stdin>"; + fp = stdin; + } else if (!(fp = fopen(*argv, "r"))) { + weprintf("fopen %s:", *argv); + ret = 1; + continue; + } + wc(fp, *argv); + if (fp != stdin && fshut(fp, *argv)) + ret = 1; + } + if (many) + output("total", tc, tl, tw); + } + + ret |= fshut(stdin, "<stdin>") | fshut(stdout, "<stdout>"); + + return ret; +} |