diff options
Diffstat (limited to 'coreutils/tee.c')
| -rw-r--r-- | coreutils/tee.c | 60 |
1 files changed, 24 insertions, 36 deletions
diff --git a/coreutils/tee.c b/coreutils/tee.c index 45128b5..8d1ca6e 100644 --- a/coreutils/tee.c +++ b/coreutils/tee.c @@ -25,11 +25,15 @@ #include <stdio.h> static const char tee_usage[] = -"Usage: tee [OPTION]... [FILE]...\n" -"Copy standard input to each FILE, and also to standard output.\n\n" -" -a, append to the given FILEs, do not overwrite\n" -" -i, ignore interrupt signals\n" -" -h, this help message\n"; + "tee [OPTION]... [FILE]...\n\n" + "Copy standard input to each FILE, and also to standard output.\n\n" + "Options:\n" + "\t-a\tappend to the given FILEs, do not overwrite\n" +#if 0 + "\t-i\tignore interrupt signals\n" +#endif + ; + /* FileList _______________________________________________________________ */ @@ -39,27 +43,6 @@ static int FL_end; typedef void (FL_Function)(FILE *file, char c); -/* initialize FileList */ -static void -FL_init() -{ - FL_end = 0; - FileList[0] = stdout; -} - -/* add a file to FileList */ -static int -FL_add(const char *filename, char *opt_open) -{ - FILE *file; - - file = fopen(filename, opt_open); - if (!file) { return 0; }; - if (FL_end < FL_MAX) { - FileList[++FL_end] = file; - } - return 1; -} /* apply a function to everything in FileList */ static void @@ -71,8 +54,6 @@ FL_apply(FL_Function *f, char c) } } -/* ________________________________________________________________________ */ - /* FL_Function for writing to files*/ static void tee_fwrite(FILE *file, char c) @@ -87,6 +68,8 @@ tee_fclose(FILE *file, char c) fclose(file); } +/* ________________________________________________________________________ */ + /* BusyBoxed tee(1) */ int tee_main(int argc, char **argv) @@ -95,6 +78,7 @@ tee_main(int argc, char **argv) char c; char opt; char opt_fopen[2] = "w"; + FILE *file; /* parse argv[] */ for (i = 1; i < argc; i++) { @@ -104,14 +88,12 @@ tee_main(int argc, char **argv) case 'a': opt_fopen[0] = 'a'; break; +#if 0 case 'i': - fprintf(stderr, "ingore interrupt not implemented\n"); - break; - case 'h': - usage(tee_usage); + fprintf(stderr, "ignore interrupt not implemented\n"); break; +#endif default: - fprintf(stderr, "tee: invalid option -- %c\n", opt); usage(tee_usage); } } else { @@ -120,9 +102,15 @@ tee_main(int argc, char **argv) } /* init FILE pointers */ - FL_init(); + FL_end = 0; + FileList[0] = stdout; for ( ; i < argc; i++) { - FL_add(argv[i], opt_fopen); + /* add a file to FileList */ + file = fopen(argv[i], opt_fopen); + if (!file) { continue; } + if (FL_end < FL_MAX) { + FileList[++FL_end] = file; + } } /* read and redirect */ @@ -135,4 +123,4 @@ tee_main(int argc, char **argv) exit(0); } -/* $Id: tee.c,v 1.3 1999/12/10 07:41:03 beppu Exp $ */ +/* $Id: tee.c,v 1.4 1999/12/10 08:25:07 andersen Exp $ */ |