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- very minor tweak: save 1 byte.

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statistics:
   text    data     bss     dec     hex filename
    867       0      12     879     36f fold.o.oorig.gcc-3.3
    843       0      12     855     357 fold.o.oorig.gcc-3.4
    780       0      12     792     318 fold.o.oorig.gcc-4.0
    761       0      12     773     305 fold.o.oorig.gcc-4.1-HEAD
    761       0      12     773     305 fold.o.oorig.gcc-4.2-HEAD
    866       0      12     878     36e fold.o.gcc-3.3
    842       0      12     854     356 fold.o.gcc-3.4
    779       0      12     791     317 fold.o.gcc-4.0
    760       0      12     772     304 fold.o.gcc-4.1-HEAD
    760       0      12     772     304 fold.o.gcc-4.2-HEAD
This commit is contained in:
Bernhard Reutner-Fischer 2006-01-30 17:41:06 +00:00
parent 76b24270d4
commit 4bf31272ff
1 changed files with 63 additions and 63 deletions
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126
coreutils/fold.c
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@ -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;
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);
}
if (istream == NULL) {
errs |= EXIT_FAILURE;
continue;
}
if (c == '\n') {
line_out[offset_out++] = c;
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
column = offset_out = 0;
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);
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;
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;
}
} else {
if (offset_out == 0) {
line_out[offset_out++] = c;
continue;
for (logical_end = offset_out - 1; logical_end >= 0; logical_end--) {
if (isblank(line_out[logical_end])) {
break;
}
}
line_out[offset_out++] = '\n';
fwrite(line_out, sizeof(char), (size_t) offset_out, stdout);
column = offset_out = 0;
goto rescan;
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++] = 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);