| /* See LICENSE file for copyright and license details. */ |
| #include <stdio.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include "text.h" |
| #include "util.h" |
| |
| static void |
| uconcat(FILE *fp1, const char *s1, FILE *fp2, const char *s2) |
| { |
| int c; |
| |
| setbuf(fp2, NULL); |
| while ((c = getc(fp1)) != EOF) |
| putc(c, fp2); |
| } |
| |
| static void |
| usage(void) |
| { |
| eprintf("usage: %s [-u] [file ...]\n", argv0); |
| } |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| FILE *fp; |
| int ret = 0; |
| void (*cat)(FILE *, const char *, FILE *, const char *) = &concat; |
| |
| ARGBEGIN { |
| case 'u': |
| cat = &uconcat; |
| break; |
| default: |
| usage(); |
| } ARGEND |
| |
| if (!argc) { |
| cat(stdin, "<stdin>", stdout, "<stdout>"); |
| } else { |
| for (; *argv; argc--, argv++) { |
| if (!strcmp(*argv, "-")) { |
| *argv = "<stdin>"; |
| fp = stdin; |
| } else if (!(fp = fopen(*argv, "r"))) { |
| weprintf("fopen %s:", *argv); |
| ret = 1; |
| continue; |
| } |
| cat(fp, *argv, stdout, "<stdout>"); |
| if (fp != stdin && fshut(fp, *argv)) |
| ret = 1; |
| } |
| } |
| |
| ret |= fshut(stdin, "<stdin>") | fshut(stdout, "<stdout>"); |
| |
| return ret; |
| } |