123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140 |
- #include "libbb.h"
- static void paste_files(FILE** files, int file_cnt, char* delims, int del_cnt)
- {
- char *line;
- char delim;
- int active_files = file_cnt;
- int i;
- while (active_files > 0) {
- int del_idx = 0;
- for (i = 0; i < file_cnt; ++i) {
- if (files[i] == NULL)
- continue;
- line = xmalloc_fgetline(files[i]);
- if (!line) {
- fclose_if_not_stdin(files[i]);
- files[i] = NULL;
- --active_files;
- continue;
- }
- fputs(line, stdout);
- free(line);
- delim = '\n';
- if (i != file_cnt - 1) {
- delim = delims[del_idx++];
- if (del_idx == del_cnt)
- del_idx = 0;
- }
- if (delim != '\0')
- fputc(delim, stdout);
- }
- }
- }
- static void paste_files_separate(FILE** files, char* delims, int del_cnt)
- {
- char *line, *next_line;
- char delim;
- int i;
- for (i = 0; files[i]; ++i) {
- int del_idx = 0;
- line = NULL;
- while ((next_line = xmalloc_fgetline(files[i])) != NULL) {
- if (line) {
- fputs(line, stdout);
- free(line);
- delim = delims[del_idx++];
- if (del_idx == del_cnt)
- del_idx = 0;
- if (delim != '\0')
- fputc(delim, stdout);
- }
- line = next_line;
- }
- if (line) {
-
- printf("%s\n", line);
- free(line);
- }
- fclose_if_not_stdin(files[i]);
- }
- }
- #define PASTE_OPT_DELIMITERS (1 << 0)
- #define PASTE_OPT_SEPARATE (1 << 1)
- int paste_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
- int paste_main(int argc UNUSED_PARAM, char **argv)
- {
- char *delims = (char*)"\t";
- int del_cnt = 1;
- unsigned opt;
- int i;
- opt = getopt32(argv, "d:s", &delims);
- argv += optind;
- if (opt & PASTE_OPT_DELIMITERS) {
- if (!delims[0])
- bb_error_msg_and_die("-d '' is not supported");
-
-
- del_cnt = strcpy_and_process_escape_sequences(delims, delims) - delims;
-
- }
- if (!argv[0])
- (--argv)[0] = (char*) "-";
- for (i = 0; argv[i]; ++i) {
- argv[i] = (void*) fopen_or_warn_stdin(argv[i]);
- if (!argv[i])
- xfunc_die();
- }
- if (opt & PASTE_OPT_SEPARATE)
- paste_files_separate((FILE**)argv, delims, del_cnt);
- else
- paste_files((FILE**)argv, i, delims, del_cnt);
- fflush_stdout_and_exit(0);
- }
|