diff options
Diffstat (limited to 'coreutils')
| -rw-r--r-- | coreutils/fold.c | 130 |
1 files changed, 65 insertions, 65 deletions
diff --git a/coreutils/fold.c b/coreutils/fold.c index 85b15f4d8..f1ab1bdc0 100644 --- a/coreutils/fold.c +++ b/coreutils/fold.c @@ -51,7 +51,6 @@ extern int fold_main(int argc, char **argv) int i; int errs = 0; - if(!ENABLE_DEBUG_YANK_SUSv2) { /* Turn any numeric options into -w options. */ for (i = 1; i < argc; i++) { @@ -78,80 +77,81 @@ extern int fold_main(int argc, char **argv) do { FILE *istream = bb_wfopen_input(*argv); - if (istream != NULL) { - int c; - int column = 0; /* Screen column where next char will go. */ - int offset_out = 0; /* Index in `line_out' for next char. */ - static char *line_out = NULL; - static int allocated_out = 0; - - while ((c = getc(istream)) != EOF) { - if (offset_out + 1 >= allocated_out) { - allocated_out += 1024; - line_out = xrealloc(line_out, allocated_out); - } + int c; + int column = 0; /* Screen column where next char will go. */ + int offset_out = 0; /* Index in `line_out' for next char. */ + static char *line_out = NULL; + static int allocated_out = 0; - if (c == '\n') { - line_out[offset_out++] = c; - fwrite(line_out, sizeof(char), (size_t) offset_out, stdout); - column = offset_out = 0; - continue; - } + if (istream == NULL) { + errs |= EXIT_FAILURE; + continue; + } + + while ((c = getc(istream)) != EOF) { + if (offset_out + 1 >= allocated_out) { + allocated_out += 1024; + line_out = xrealloc(line_out, allocated_out); + } + + if (c == '\n') { + line_out[offset_out++] = c; + fwrite(line_out, sizeof(char), (size_t) offset_out, stdout); + column = offset_out = 0; + continue; + } rescan: - column = adjust_column(column, c); - - if (column > width) { - /* This character would make the line too long. - Print the line plus a newline, and make this character - start the next line. */ - if (flags & FLAG_BREAK_SPACES) { - /* Look for the last blank. */ - int logical_end; - - for (logical_end = offset_out - 1; logical_end >= 0; logical_end--) { - if (isblank(line_out[logical_end])) { - break; - } - } - if (logical_end >= 0) { - /* Found a blank. Don't output the part after it. */ - logical_end++; - fwrite(line_out, sizeof(char), (size_t) logical_end, stdout); - putchar('\n'); - /* Move the remainder to the beginning of the next line. - The areas being copied here might overlap. */ - memmove(line_out, line_out + logical_end, offset_out - logical_end); - offset_out -= logical_end; - for (column = i = 0; i < offset_out; i++) { - column = adjust_column(column, line_out[i]); - } - goto rescan; + column = adjust_column(column, c); + + if (column > width) { + /* This character would make the line too long. + Print the line plus a newline, and make this character + start the next line. */ + if (flags & FLAG_BREAK_SPACES) { + /* Look for the last blank. */ + int logical_end; + + for (logical_end = offset_out - 1; logical_end >= 0; logical_end--) { + if (isblank(line_out[logical_end])) { + break; } - } else { - if (offset_out == 0) { - line_out[offset_out++] = c; - continue; + } + if (logical_end >= 0) { + /* Found a blank. Don't output the part after it. */ + logical_end++; + fwrite(line_out, sizeof(char), (size_t) logical_end, stdout); + putchar('\n'); + /* Move the remainder to the beginning of the next line. + The areas being copied here might overlap. */ + memmove(line_out, line_out + logical_end, offset_out - logical_end); + offset_out -= logical_end; + for (column = i = 0; i < offset_out; i++) { + column = adjust_column(column, line_out[i]); } + goto rescan; + } + } else { + if (offset_out == 0) { + line_out[offset_out++] = c; + continue; } - line_out[offset_out++] = '\n'; - fwrite(line_out, sizeof(char), (size_t) offset_out, stdout); - column = offset_out = 0; - goto rescan; } - - line_out[offset_out++] = c; - } - - if (offset_out) { + line_out[offset_out++] = '\n'; fwrite(line_out, sizeof(char), (size_t) offset_out, stdout); + column = offset_out = 0; + goto rescan; } - if (ferror(istream) || bb_fclose_nonstdin(istream)) { - bb_perror_msg("%s", *argv); /* Avoid multibyte problems. */ - errs |= EXIT_FAILURE; - } - } else { + line_out[offset_out++] = c; + } + + if (offset_out) { + fwrite(line_out, sizeof(char), (size_t) offset_out, stdout); + } + + if (ferror(istream) || bb_fclose_nonstdin(istream)) { + bb_perror_msg("%s", *argv); /* Avoid multibyte problems. */ errs |= EXIT_FAILURE; } } while (*++argv); |