int sed_main(int argc, char **argv)
{
enum {
OPT_in_place = 1 << 0,
};
unsigned opt;
llist_t *opt_e, *opt_f;
int status = EXIT_SUCCESS;
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 (argc == 2 && !strcmp(argv[1], "--version")) {
puts("This is not GNU sed version 4.0");
return 0;
}
/* do normal option parsing */
opt_e = opt_f = NULL;
opt_complementary = "e::f::" /* can occur multiple times */
"nn"; /* count -n */
opt = getopt32(argv, "irne:f:", &opt_e, &opt_f,
&G.be_quiet); /* counter for -n */
argc -= optind;
argv += optind;
if (opt & OPT_in_place) { // -i
atexit(cleanup_outname);
}
if (opt & 0x2) G.regex_type |= REG_EXTENDED; // -r
//if (opt & 0x4) G.be_quiet++; // -n
while (opt_e) { // -e
add_cmd_block(opt_e->data);
opt_e = opt_e->link;
/* we leak opt_e here... */
}
while (opt_f) { // -f
char *line;
FILE *cmdfile;
cmdfile = xfopen(opt_f->data, "r");
while ((line = xmalloc_getline(cmdfile)) != NULL) {
add_cmd(line);
free(line);
}
fclose(cmdfile);
opt_f = opt_f->link;
/* we leak opt_f here... */
}
/* if we didn't get a pattern from -e or -f, use argv[0] */
if (!(opt & 0x18)) {
if (!argc)
bb_show_usage();
add_cmd_block(*argv++);
argc--;
}
/* 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. */
if (argv[0] == NULL) {
if (opt & OPT_in_place)
bb_error_msg_and_die(bb_msg_requires_arg, "-i");
add_input_file(stdin);
process_files();
} else {
int i;
FILE *file;
for (i = 0; i < argc; i++) {
struct stat statbuf;
int nonstdoutfd;
if (LONE_DASH(argv[i]) && !(opt & OPT_in_place)) {
add_input_file(stdin);
process_files();
continue;
}
file = fopen_or_warn(argv[i], "r");
if (!file) {
status = EXIT_FAILURE;
continue;
}
if (!(opt & OPT_in_place)) {
add_input_file(file);
continue;
}
G.outname = xasprintf("%sXXXXXX", argv[i]);
nonstdoutfd = mkstemp(G.outname);
if (-1 == nonstdoutfd)
bb_perror_msg_and_die("cannot create temp file %s", G.outname);
G.nonstdout = fdopen(nonstdoutfd, "w");
/* Set permissions of output file */
fstat(fileno(file), &statbuf);
fchmod(nonstdoutfd, statbuf.st_mode);
add_input_file(file);
process_files();
fclose(G.nonstdout);
G.nonstdout = stdout;
/* unlink(argv[i]); */
// FIXME: error check / message?
rename(G.outname, argv[i]);
free(G.outname);
G.outname = NULL;
}
if (G.input_file_count > G.current_input_file)
process_files();
}
return status;
}
extern int sed_main(int argc, char **argv)
{
int opt, status = EXIT_SUCCESS;
#ifdef CONFIG_FEATURE_CLEAN_UP
/* destroy command strings on exit */
if (atexit(free_and_close_stuff) == -1)
bb_perror_msg_and_die("atexit");
#endif
#define LIE_TO_AUTOCONF
#ifdef LIE_TO_AUTOCONF
if(argc==2 && !strcmp(argv[1],"--version")) {
printf("This is not GNU sed version 4.0\n");
exit(0);
}
#endif
/* do normal option parsing */
while ((opt = getopt(argc, argv, "ne:f:")) > 0) {
switch (opt) {
case 'n':
be_quiet++;
break;
case 'e':
add_cmd_block(optarg);
break;
case 'f':
{
FILE *cmdfile;
char *line;
cmdfile = bb_xfopen(optarg, "r");
while ((line = bb_get_chomped_line_from_file(cmdfile))
!= NULL) {
add_cmd(line);
free(line);
}
bb_xprint_and_close_file(cmdfile);
break;
}
default:
bb_show_usage();
}
}
/* if we didn't get a pattern from a -e and no command file was specified,
* argv[optind] should be the pattern. no pattern, no worky */
if (sed_cmd_head.next == NULL) {
if (argv[optind] == NULL)
bb_show_usage();
else
add_cmd_block(argv[optind++]);
}
/* Flush any unfinished commands. */
add_cmd("");
/* argv[(optind)..(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. */
if (argv[optind] == NULL) {
process_file(stdin);
} else {
int i;
FILE *file;
for (i = optind; i < argc; i++) {
if(!strcmp(argv[i], "-")) {
process_file(stdin);
} else {
file = bb_wfopen(argv[i], "r");
if (file) {
process_file(file);
fclose(file);
} else {
status = EXIT_FAILURE;
}
}
}
}
return status;
}
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
int status = EXIT_SUCCESS;
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;
opt_complementary = "e::f::" /* can occur multiple times */
"nn"; /* count -n */
IF_LONG_OPTS(applet_long_options = sed_longopts);
/* -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 = getopt32(argv, "i::rEne:f:", &opt_i, &opt_e, &opt_f,
&G.be_quiet); /* counter for -n */
//argc -= optind;
argv += optind;
if (opt & OPT_in_place) { // -i
atexit(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_for_read(llist_pop(&opt_f));
while ((line = xmalloc_fgetline(cmdfile)) != NULL) {
add_cmd(line);
free(line);
}
fclose(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. */
if (argv[0] == NULL) {
if (opt & OPT_in_place)
bb_error_msg_and_die(bb_msg_requires_arg, "-i");
add_input_file(stdin);
} else {
int i;
for (i = 0; argv[i]; i++) {
struct stat statbuf;
int nonstdoutfd;
FILE *file;
sed_cmd_t *sed_cmd;
if (LONE_DASH(argv[i]) && !(opt & OPT_in_place)) {
add_input_file(stdin);
process_files();
continue;
}
file = fopen_or_warn(argv[i], "r");
if (!file) {
status = EXIT_FAILURE;
continue;
}
add_input_file(file);
if (!(opt & OPT_in_place)) {
continue;
}
/* -i: process each FILE separately: */
G.outname = xasprintf("%sXXXXXX", argv[i]);
nonstdoutfd = xmkstemp(G.outname);
G.nonstdout = xfdopen_for_write(nonstdoutfd);
/* Set permissions/owner of output file */
fstat(fileno(file), &statbuf);
/* 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[i], opt_i);
xrename(argv[i], backupname);
free(backupname);
}
/* else unlink(argv[i]); - rename below does this */
xrename(G.outname, argv[i]); //TODO: rollback backup on error?
free(G.outname);
G.outname = NULL;
/* Re-enable disabled range matches */
for (sed_cmd = G.sed_cmd_head; sed_cmd; sed_cmd = sed_cmd->next) {
sed_cmd->beg_line = sed_cmd->beg_line_orig;
}
}
/* Here, to handle "sed 'cmds' nonexistent_file" case we did:
* if (G.current_input_file >= G.input_file_count)
* return status;
* but it's not needed since process_files() works correctly
* in this case too. */
}
process_files();
return status;
}
