int sed_main(int argc UNUSED_PARAM, char **argv)
{
unsigned opt;
llist_t *opt_e, *opt_f;
char *opt_i;
#if ENABLE_LONG_OPTS
static const char sed_longopts[] ALIGN1 =
/* name has_arg short */
"in-place\0" Optional_argument "i"
"regexp-extended\0" No_argument "r"
"quiet\0" No_argument "n"
"silent\0" No_argument "n"
"expression\0" Required_argument "e"
"file\0" Required_argument "f";
#endif
INIT_G();
/* destroy command strings on exit */
if (ENABLE_FEATURE_CLEAN_UP) atexit(sed_free_and_close_stuff);
/* Lie to autoconf when it starts asking stupid questions. */
if (argv[1] && strcmp(argv[1], "--version") == 0) {
puts("This is not GNU sed version 4.0");
return 0;
}
/* do normal option parsing */
opt_e = opt_f = NULL;
opt_i = NULL;
/* -i must be first, to match OPT_in_place definition */
/* -E is a synonym of -r:
* GNU sed 4.2.1 mentions it in neither --help
* nor manpage, but does recognize it.
*/
opt = getopt32long(argv, "^"
"i::rEne:*f:*"
"\0" "nn"/*count -n*/,
sed_longopts,
&opt_i, &opt_e, &opt_f,
&G.be_quiet); /* counter for -n */
//argc -= optind;
argv += optind;
if (opt & OPT_in_place) { // -i
die_func = cleanup_outname;
}
if (opt & (2|4))
G.regex_type |= REG_EXTENDED; // -r or -E
//if (opt & 8)
// G.be_quiet++; // -n (implemented with a counter instead)
while (opt_e) { // -e
add_cmd_block(llist_pop(&opt_e));
}
while (opt_f) { // -f
char *line;
FILE *cmdfile;
cmdfile = xfopen_stdin(llist_pop(&opt_f));
while ((line = xmalloc_fgetline(cmdfile)) != NULL) {
add_cmd(line);
free(line);
}
fclose_if_not_stdin(cmdfile);
}
/* if we didn't get a pattern from -e or -f, use argv[0] */
if (!(opt & 0x30)) {
if (!*argv)
bb_show_usage();
add_cmd_block(*argv++);
}
/* Flush any unfinished commands. */
add_cmd("");
/* By default, we write to stdout */
G.nonstdout = stdout;
/* argv[0..(argc-1)] should be names of file to process. If no
* files were specified or '-' was specified, take input from stdin.
* Otherwise, we process all the files specified. */
G.input_file_list = argv;
if (!argv[0]) {
if (opt & OPT_in_place)
bb_error_msg_and_die(bb_msg_requires_arg, "-i");
argv[0] = (char*)bb_msg_standard_input;
/* G.last_input_file = 0; - already is */
} else {
goto start;
for (; *argv; argv++) {
struct stat statbuf;
int nonstdoutfd;
sed_cmd_t *sed_cmd;
G.last_input_file++;
start:
if (!(opt & OPT_in_place)) {
if (LONE_DASH(*argv)) {
*argv = (char*)bb_msg_standard_input;
process_files();
}
continue;
}
/* -i: process each FILE separately: */
if (stat(*argv, &statbuf) != 0) {
bb_simple_perror_msg(*argv);
G.exitcode = EXIT_FAILURE;
G.current_input_file++;
continue;
}
G.outname = xasprintf("%sXXXXXX", *argv);
nonstdoutfd = xmkstemp(G.outname);
G.nonstdout = xfdopen_for_write(nonstdoutfd);
/* Set permissions/owner of output file */
/* chmod'ing AFTER chown would preserve suid/sgid bits,
* but GNU sed 4.2.1 does not preserve them either */
fchmod(nonstdoutfd, statbuf.st_mode);
fchown(nonstdoutfd, statbuf.st_uid, statbuf.st_gid);
process_files();
fclose(G.nonstdout);
G.nonstdout = stdout;
if (opt_i) {
char *backupname = xasprintf("%s%s", *argv, opt_i);
xrename(*argv, backupname);
free(backupname);
}
/* else unlink(*argv); - rename below does this */
xrename(G.outname, *argv); //TODO: rollback backup on error?
free(G.outname);
G.outname = NULL;
/* Fix disabled range matches and mangled ",+N" ranges */
for (sed_cmd = G.sed_cmd_head; sed_cmd; sed_cmd = sed_cmd->next) {
sed_cmd->beg_line = sed_cmd->beg_line_orig;
sed_cmd->end_line = sed_cmd->end_line_orig;
}
}
/* Here, to handle "sed 'cmds' nonexistent_file" case we did:
* if (G.current_input_file[G.current_input_file] == NULL)
* return G.exitcode;
* but it's not needed since process_files() works correctly
* in this case too. */
}
process_files();
return G.exitcode;
}
const char *fmt;
int c1, c2;
unsigned opt;
int retval = 0;
xfunc_error_retval = 2; /* 1 is returned if files are different. */
opt_complementary = "-1"
IF_DESKTOP(":?4")
IF_NOT_DESKTOP(":?2")
":l--s:s--l";
opt = getopt32(argv, opt_chars);
argv += optind;
filename1 = *argv;
fp1 = xfopen_stdin(filename1);
if (*++argv) {
filename2 = *argv;
#if ENABLE_DESKTOP
if (*++argv) {
skip1 = XATOOFF(*argv);
if (*++argv) {
skip2 = XATOOFF(*argv);
}
}
#endif
}
fp2 = xfopen_stdin(filename2);
if (fp1 == fp2) { /* Paranoia check... stdin == stdin? */
int patch_main(int argc UNUSED_PARAM, char **argv)
{
struct stat saved_stat;
char *patch_line;
FILE *patch_file;
int patch_level;
int ret = 0;
char plus = '+';
unsigned opt;
enum {
OPT_R = (1 << 2),
OPT_N = (1 << 3),
/*OPT_f = (1 << 4), ignored */
/*OPT_E = (1 << 5), ignored, this is the default */
/*OPT_g = (1 << 6), ignored */
OPT_dry_run = (1 << 7) * ENABLE_LONG_OPTS,
};
xfunc_error_retval = 2;
{
const char *p = "-1";
const char *i = "-"; /* compat */
#if ENABLE_LONG_OPTS
static const char patch_longopts[] ALIGN1 =
"strip\0" Required_argument "p"
"input\0" Required_argument "i"
"reverse\0" No_argument "R"
"forward\0" No_argument "N"
/* "Assume user knows what [s]he is doing, do not ask any questions": */
"force\0" No_argument "f" /*ignored*/
# if ENABLE_DESKTOP
"remove-empty-files\0" No_argument "E" /*ignored*/
/* "Controls actions when a file is under RCS or SCCS control,
* and does not exist or is read-only and matches the default version,
* or when a file is under ClearCase control and does not exist..."
* IOW: rather obscure option.
* But Gentoo's portage does use -g0 */
"get\0" Required_argument "g" /*ignored*/
# endif
"dry-run\0" No_argument "\xfd"
# if ENABLE_DESKTOP
"backup-if-mismatch\0" No_argument "\xfe" /*ignored*/
"no-backup-if-mismatch\0" No_argument "\xff" /*ignored*/
# endif
;
applet_long_options = patch_longopts;
#endif
/* -f,-E,-g are ignored */
opt = getopt32(argv, "p:i:RN""fEg:", &p, &i, NULL);
if (opt & OPT_R)
plus = '-';
patch_level = xatoi(p); /* can be negative! */
patch_file = xfopen_stdin(i);
}
patch_line = xmalloc_fgetline(patch_file);
while (patch_line) {
FILE *src_stream;
FILE *dst_stream;
//char *old_filename;
char *new_filename;
char *backup_filename = NULL;
unsigned src_cur_line = 1;
unsigned dst_cur_line = 0;
unsigned dst_beg_line;
unsigned bad_hunk_count = 0;
unsigned hunk_count = 0;
smallint copy_trailing_lines_flag = 0;
/* Skip everything upto the "---" marker
* No need to parse the lines "Only in <dir>", and "diff <args>"
*/
do {
/* Extract the filename ugsed before the patch was generated */
new_filename = extract_filename(patch_line, patch_level, "--- ");
// was old_filename above
patch_line = xmalloc_fgetline(patch_file);
if (!patch_line) goto quit;
} while (!new_filename);
free(new_filename); // "source" filename is irrelevant
new_filename = extract_filename(patch_line, patch_level, "+++ ");
if (!new_filename) {
bb_error_msg_and_die("invalid patch");
}
/* Get access rights from the file to be patched */
if (stat(new_filename, &saved_stat) != 0) {
char *slash = strrchr(new_filename, '/');
if (slash) {
/* Create leading directories */
*slash = '\0';
bb_make_directory(new_filename, -1, FILEUTILS_RECUR);
*slash = '/';
}
src_stream = NULL;
saved_stat.st_mode = 0644;
} else if (!(opt & OPT_dry_run)) {
backup_filename = xasprintf("%s.orig", new_filename);
xrename(new_filename, backup_filename);
src_stream = xfopen_for_read(backup_filename);
} else
src_stream = xfopen_for_read(new_filename);
if (opt & OPT_dry_run) {
dst_stream = xfopen_for_write("/dev/null");
} else {
dst_stream = xfopen_for_write(new_filename);
fchmod(fileno(dst_stream), saved_stat.st_mode);
}
printf("patching file %s\n", new_filename);
/* Handle all hunks for this file */
patch_line = xmalloc_fgets(patch_file);
while (patch_line) {
unsigned count;
unsigned src_beg_line;
unsigned hunk_offset_start;
unsigned src_last_line = 1;
unsigned dst_last_line = 1;
if ((sscanf(patch_line, "@@ -%u,%u +%u,%u", &src_beg_line, &src_last_line, &dst_beg_line, &dst_last_line) < 3)
&& (sscanf(patch_line, "@@ -%u +%u,%u", &src_beg_line, &dst_beg_line, &dst_last_line) < 2)
) {
/* No more hunks for this file */
break;
}
if (plus != '+') {
/* reverse patch */
unsigned tmp = src_last_line;
src_last_line = dst_last_line;
dst_last_line = tmp;
tmp = src_beg_line;
src_beg_line = dst_beg_line;
dst_beg_line = tmp;
}
hunk_count++;
if (src_beg_line && dst_beg_line) {
/* Copy unmodified lines upto start of hunk */
/* src_beg_line will be 0 if it's a new file */
count = src_beg_line - src_cur_line;
if (copy_lines(src_stream, dst_stream, count)) {
bb_error_msg_and_die("bad src file");
}
src_cur_line += count;
dst_cur_line += count;
copy_trailing_lines_flag = 1;
}
src_last_line += hunk_offset_start = src_cur_line;
dst_last_line += dst_cur_line;
while (1) {
free(patch_line);
patch_line = xmalloc_fgets(patch_file);
if (patch_line == NULL)
break; /* EOF */
if (!*patch_line) {
/* whitespace-damaged patch with "" lines */
free(patch_line);
patch_line = xstrdup(" ");
}
if ((*patch_line != '-') && (*patch_line != '+')
&& (*patch_line != ' ')
) {
break; /* End of hunk */
}
if (*patch_line != plus) { /* '-' or ' ' */
char *src_line = NULL;
if (src_cur_line == src_last_line)
break;
if (src_stream) {
src_line = xmalloc_fgets(src_stream);
if (src_line) {
int diff = strcmp(src_line, patch_line + 1);
src_cur_line++;
free(src_line);
if (diff)
src_line = NULL;
}
}
/* Do not patch an already patched hunk with -N */
if (src_line == 0 && (opt & OPT_N)) {
continue;
}
if (!src_line) {
bb_error_msg("hunk #%u FAILED at %u", hunk_count, hunk_offset_start);
bad_hunk_count++;
break;
}
if (*patch_line != ' ') { /* '-' */
continue;
}
}
if (dst_cur_line == dst_last_line)
break;
fputs(patch_line + 1, dst_stream);
dst_cur_line++;
} /* end of while loop handling one hunk */
} /* end of while loop handling one file */
/* Cleanup last patched file */
if (copy_trailing_lines_flag) {
copy_lines(src_stream, dst_stream, (unsigned)(-1));
}
if (src_stream) {
fclose(src_stream);
}
fclose(dst_stream);
if (bad_hunk_count) {
ret = 1;
bb_error_msg("%u out of %u hunk FAILED", bad_hunk_count, hunk_count);
} else {
/* It worked, we can remove the backup */
if (backup_filename) {
unlink(backup_filename);
}
if (!(opt & OPT_dry_run)
&& ((dst_cur_line == 0) || (dst_beg_line == 0))
) {
/* The new patched file is empty, remove it */
xunlink(new_filename);
// /* old_filename and new_filename may be the same file */
// unlink(old_filename);
}
}
free(backup_filename);
//free(old_filename);
free(new_filename);
} /* end of "while there are patch lines" */
quit:
/* 0 = SUCCESS
* 1 = Some hunks failed
* 2 = More serious problems (exited earlier)
*/
return ret;
}
int patch_main(int argc UNUSED_PARAM, char **argv)
{
struct stat saved_stat;
char *patch_line;
FILE *patch_file;
int patch_level;
int ret = 0;
char plus = '+';
xfunc_error_retval = 2;
{
const char *p = "-1";
const char *i = "-"; /* compat */
if (getopt32(argv, "p:i:R", &p, &i) & 4)
plus = '-';
patch_level = xatoi(p); /* can be negative! */
patch_file = xfopen_stdin(i);
}
patch_line = xmalloc_fgetline(patch_file);
while (patch_line) {
FILE *src_stream;
FILE *dst_stream;
//char *old_filename;
char *new_filename;
char *backup_filename;
unsigned src_cur_line = 1;
unsigned dst_cur_line = 0;
unsigned dst_beg_line;
unsigned bad_hunk_count = 0;
unsigned hunk_count = 0;
smallint copy_trailing_lines_flag = 0;
/* Skip everything upto the "---" marker
* No need to parse the lines "Only in <dir>", and "diff <args>"
*/
do {
/* Extract the filename used before the patch was generated */
new_filename = extract_filename(patch_line, patch_level, "--- ");
// was old_filename above
patch_line = xmalloc_fgetline(patch_file);
if (!patch_line) goto quit;
} while (!new_filename);
free(new_filename); // "source" filename is irrelevant
new_filename = extract_filename(patch_line, patch_level, "+++ ");
if (!new_filename) {
bb_error_msg_and_die("invalid patch");
}
/* Get access rights from the file to be patched */
if (stat(new_filename, &saved_stat) != 0) {
char *slash = strrchr(new_filename, '/');
if (slash) {
/* Create leading directories */
*slash = '\0';
bb_make_directory(new_filename, -1, FILEUTILS_RECUR);
*slash = '/';
}
backup_filename = NULL;
src_stream = NULL;
saved_stat.st_mode = 0644;
} else {
backup_filename = xasprintf("%s.orig", new_filename);
xrename(new_filename, backup_filename);
src_stream = xfopen_for_read(backup_filename);
}
dst_stream = xfopen_for_write(new_filename);
fchmod(fileno(dst_stream), saved_stat.st_mode);
printf("patching file %s\n", new_filename);
/* Handle all hunks for this file */
patch_line = xmalloc_fgets(patch_file);
while (patch_line) {
unsigned count;
unsigned src_beg_line;
unsigned hunk_offset_start;
unsigned src_last_line = 1;
unsigned dst_last_line = 1;
if ((sscanf(patch_line, "@@ -%d,%d +%d,%d", &src_beg_line, &src_last_line, &dst_beg_line, &dst_last_line) < 3)
&& (sscanf(patch_line, "@@ -%d +%d,%d", &src_beg_line, &dst_beg_line, &dst_last_line) < 2)
) {
/* No more hunks for this file */
break;
}
if (plus != '+') {
/* reverse patch */
unsigned tmp = src_last_line;
src_last_line = dst_last_line;
dst_last_line = tmp;
tmp = src_beg_line;
src_beg_line = dst_beg_line;
dst_beg_line = tmp;
}
hunk_count++;
if (src_beg_line && dst_beg_line) {
/* Copy unmodified lines upto start of hunk */
/* src_beg_line will be 0 if it's a new file */
count = src_beg_line - src_cur_line;
if (copy_lines(src_stream, dst_stream, count)) {
bb_error_msg_and_die("bad src file");
}
src_cur_line += count;
dst_cur_line += count;
copy_trailing_lines_flag = 1;
}
src_last_line += hunk_offset_start = src_cur_line;
dst_last_line += dst_cur_line;
while (1) {
free(patch_line);
patch_line = xmalloc_fgets(patch_file);
if (patch_line == NULL)
break; /* EOF */
if ((*patch_line != '-') && (*patch_line != '+')
&& (*patch_line != ' ')
) {
break; /* End of hunk */
}
if (*patch_line != plus) { /* '-' or ' ' */
char *src_line = NULL;
if (src_cur_line == src_last_line)
break;
if (src_stream) {
src_line = xmalloc_fgets(src_stream);
if (src_line) {
int diff = strcmp(src_line, patch_line + 1);
src_cur_line++;
free(src_line);
if (diff)
src_line = NULL;
}
}
if (!src_line) {
bb_error_msg("hunk #%u FAILED at %u", hunk_count, hunk_offset_start);
bad_hunk_count++;
break;
}
if (*patch_line != ' ') { /* '-' */
continue;
}
}
if (dst_cur_line == dst_last_line)
break;
fputs(patch_line + 1, dst_stream);
dst_cur_line++;
} /* end of while loop handling one hunk */
} /* end of while loop handling one file */
/* Cleanup last patched file */
if (copy_trailing_lines_flag) {
copy_lines(src_stream, dst_stream, (unsigned)(-1));
}
if (src_stream) {
fclose(src_stream);
}
fclose(dst_stream);
if (bad_hunk_count) {
ret = 1;
bb_error_msg("%u out of %u hunk FAILED", bad_hunk_count, hunk_count);
} else {
/* It worked, we can remove the backup */
if (backup_filename) {
unlink(backup_filename);
}
if ((dst_cur_line == 0) || (dst_beg_line == 0)) {
/* The new patched file is empty, remove it */
xunlink(new_filename);
// /* old_filename and new_filename may be the same file */
// unlink(old_filename);
}
}
free(backup_filename);
//free(old_filename);
free(new_filename);
} /* end of "while there are patch lines" */
quit:
/* 0 = SUCCESS
* 1 = Some hunks failed
* 2 = More serious problems (exited earlier)
*/
return ret;
}
int sort_main(int argc UNUSED_PARAM, char **argv)
{
FILE *fp, *outfile = stdout;
char *line, **lines = NULL;
char *str_ignored, *str_o, *str_t;
llist_t *lst_k = NULL;
int i, flag;
int linecount = 0;
xfunc_error_retval = 2;
/* Parse command line options */
/* -o and -t can be given at most once */
opt_complementary = "o--o:t--t:" /* -t, -o: maximum one of each */
"k::"; /* -k takes list */
getopt32(argv, OPT_STR, &str_ignored, &str_ignored, &str_o, &lst_k, &str_t);
#if ENABLE_FEATURE_SORT_BIG
if (option_mask32 & FLAG_o) outfile = xfopen_for_write(str_o);
if (option_mask32 & FLAG_t) {
if (!str_t[0] || str_t[1])
bb_error_msg_and_die("bad -t parameter");
key_separator = str_t[0];
}
/* parse sort key */
while (lst_k) {
enum {
FLAG_allowed_for_k =
FLAG_n | /* Numeric sort */
FLAG_g | /* Sort using strtod() */
FLAG_M | /* Sort date */
FLAG_b | /* Ignore leading blanks */
FLAG_r | /* Reverse */
FLAG_d | /* Ignore !(isalnum()|isspace()) */
FLAG_f | /* Force uppercase */
FLAG_i | /* Ignore !isprint() */
0
};
struct sort_key *key = add_key();
char *str_k = llist_pop(&lst_k);
const char *temp2;
i = 0; /* i==0 before comma, 1 after (-k3,6) */
while (*str_k) {
/* Start of range */
/* Cannot use bb_strtou - suffix can be a letter */
key->range[2*i] = str2u(&str_k);
if (*str_k == '.') {
str_k++;
key->range[2*i+1] = str2u(&str_k);
}
while (*str_k) {
if (*str_k == ',' && !i++) {
str_k++;
break;
} /* no else needed: fall through to syntax error
because comma isn't in OPT_STR */
temp2 = strchr(OPT_STR, *str_k);
if (!temp2)
bb_error_msg_and_die("unknown key option");
flag = 1 << (temp2 - OPT_STR);
if (flag & ~FLAG_allowed_for_k)
bb_error_msg_and_die("unknown sort type");
/* b after ',' means strip _trailing_ space */
if (i && flag == FLAG_b) flag = FLAG_bb;
key->flags |= flag;
str_k++;
}
}
}
#endif
/* global b strips leading and trailing spaces */
if (option_mask32 & FLAG_b) option_mask32 |= FLAG_bb;
/* Open input files and read data */
argv += optind;
if (!*argv)
*--argv = (char*)"-";
do {
/* coreutils 6.9 compat: abort on first open error,
* do not continue to next file: */
fp = xfopen_stdin(*argv);
for (;;) {
line = GET_LINE(fp);
if (!line) break;
lines = xrealloc_vector(lines, 6, linecount);
lines[linecount++] = line;
}
fclose_if_not_stdin(fp);
} while (*++argv);
#if ENABLE_FEATURE_SORT_BIG
/* if no key, perform alphabetic sort */
if (!key_list)
add_key()->range[0] = 1;
/* handle -c */
if (option_mask32 & FLAG_c) {
int j = (option_mask32 & FLAG_u) ? -1 : 0;
for (i = 1; i < linecount; i++)
if (compare_keys(&lines[i-1], &lines[i]) > j) {
fprintf(stderr, "Check line %d\n", i);
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
#endif
/* Perform the actual sort */
qsort(lines, linecount, sizeof(char *), compare_keys);
/* handle -u */
if (option_mask32 & FLAG_u) {
flag = 0;
/* coreutils 6.3 drop lines for which only key is the same */
/* -- disabling last-resort compare... */
option_mask32 |= FLAG_s;
for (i = 1; i < linecount; i++) {
if (!compare_keys(&lines[flag], &lines[i]))
free(lines[i]);
else
lines[++flag] = lines[i];
}
if (linecount) linecount = flag+1;
}
/* Print it */
flag = (option_mask32 & FLAG_z) ? '\0' : '\n';
for (i = 0; i < linecount; i++)
fprintf(outfile, "%s%c", lines[i], flag);
fflush_stdout_and_exit(EXIT_SUCCESS);
}
int sort_main(int argc UNUSED_PARAM, char **argv)
{
char *line, **lines;
char *str_ignored, *str_o, *str_t;
llist_t *lst_k = NULL;
int i;
int linecount;
unsigned opts;
xfunc_error_retval = 2;
/* Parse command line options */
/* -o and -t can be given at most once */
opt_complementary = "o--o:t--t"; /* -t, -o: at most one of each */
opts = getopt32(argv, OPT_STR, &str_ignored, &str_ignored, &str_o, &lst_k, &str_t);
/* global b strips leading and trailing spaces */
if (opts & FLAG_b)
option_mask32 |= FLAG_bb;
#if ENABLE_FEATURE_SORT_BIG
if (opts & FLAG_t) {
if (!str_t[0] || str_t[1])
bb_error_msg_and_die("bad -t parameter");
key_separator = str_t[0];
}
/* note: below this point we use option_mask32, not opts,
* since that reduces register pressure and makes code smaller */
/* Parse sort key */
while (lst_k) {
enum {
FLAG_allowed_for_k =
FLAG_n | /* Numeric sort */
FLAG_g | /* Sort using strtod() */
FLAG_M | /* Sort date */
FLAG_b | /* Ignore leading blanks */
FLAG_r | /* Reverse */
FLAG_d | /* Ignore !(isalnum()|isspace()) */
FLAG_f | /* Force uppercase */
FLAG_i | /* Ignore !isprint() */
0
};
struct sort_key *key = add_key();
char *str_k = llist_pop(&lst_k);
i = 0; /* i==0 before comma, 1 after (-k3,6) */
while (*str_k) {
/* Start of range */
/* Cannot use bb_strtou - suffix can be a letter */
key->range[2*i] = str2u(&str_k);
if (*str_k == '.') {
str_k++;
key->range[2*i+1] = str2u(&str_k);
}
while (*str_k) {
int flag;
const char *idx;
if (*str_k == ',' && !i++) {
str_k++;
break;
} /* no else needed: fall through to syntax error
because comma isn't in OPT_STR */
idx = strchr(OPT_STR, *str_k);
if (!idx)
bb_error_msg_and_die("unknown key option");
flag = 1 << (idx - OPT_STR);
if (flag & ~FLAG_allowed_for_k)
bb_error_msg_and_die("unknown sort type");
/* b after ',' means strip _trailing_ space */
if (i && flag == FLAG_b)
flag = FLAG_bb;
key->flags |= flag;
str_k++;
}
}
}
#endif
/* Open input files and read data */
argv += optind;
if (!*argv)
*--argv = (char*)"-";
linecount = 0;
lines = NULL;
do {
/* coreutils 6.9 compat: abort on first open error,
* do not continue to next file: */
FILE *fp = xfopen_stdin(*argv);
for (;;) {
line = GET_LINE(fp);
if (!line)
break;
lines = xrealloc_vector(lines, 6, linecount);
lines[linecount++] = line;
}
fclose_if_not_stdin(fp);
} while (*++argv);
#if ENABLE_FEATURE_SORT_BIG
/* If no key, perform alphabetic sort */
if (!key_list)
add_key()->range[0] = 1;
/* Handle -c */
if (option_mask32 & FLAG_c) {
int j = (option_mask32 & FLAG_u) ? -1 : 0;
for (i = 1; i < linecount; i++) {
if (compare_keys(&lines[i-1], &lines[i]) > j) {
fprintf(stderr, "Check line %u\n", i);
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
#endif
/* Perform the actual sort */
qsort(lines, linecount, sizeof(lines[0]), compare_keys);
/* Handle -u */
if (option_mask32 & FLAG_u) {
int j = 0;
/* coreutils 6.3 drop lines for which only key is the same */
/* -- disabling last-resort compare... */
option_mask32 |= FLAG_s;
for (i = 1; i < linecount; i++) {
if (compare_keys(&lines[j], &lines[i]) == 0)
free(lines[i]);
else
lines[++j] = lines[i];
}
if (linecount)
linecount = j+1;
}
/* Print it */
#if ENABLE_FEATURE_SORT_BIG
/* Open output file _after_ we read all input ones */
if (option_mask32 & FLAG_o)
xmove_fd(xopen(str_o, O_WRONLY|O_CREAT|O_TRUNC), STDOUT_FILENO);
#endif
{
int ch = (option_mask32 & FLAG_z) ? '\0' : '\n';
for (i = 0; i < linecount; i++)
printf("%s%c", lines[i], ch);
}
fflush_stdout_and_exit(EXIT_SUCCESS);
}
