sed: style fixes
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parent
b15b7f7a4a
commit
2f8f71b20d
710
editors/sed.c
710
editors/sed.c
@ -91,15 +91,14 @@ typedef struct sed_cmd_s {
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static const char *const semicolon_whitespace = "; \n\r\t\v";
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struct sed_globals
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{
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struct sed_globals {
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/* options */
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int be_quiet, in_place, regex_type;
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int be_quiet, regex_type;
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FILE *nonstdout;
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char *outname, *hold_space;
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/* List of input files */
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int input_file_count,current_input_file;
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int input_file_count, current_input_file;
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FILE **input_file_list;
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regmatch_t regmatch[10];
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@ -123,7 +122,7 @@ struct sed_globals
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void sed_free_and_close_stuff(void);
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#if ENABLE_FEATURE_CLEAN_UP
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void sed_free_and_close_stuff(void)
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static void sed_free_and_close_stuff(void)
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{
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sed_cmd_t *sed_cmd = bbg.sed_cmd_head.next;
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@ -187,9 +186,9 @@ static void parse_escapes(char *dest, char *string, int len, char from, char to)
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static char *copy_parsing_escapes(char *string, int len)
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{
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char *dest = xmalloc(len+1);
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char *dest = xmalloc(len + 1);
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parse_escapes(dest,string,len,'n','\n');
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parse_escapes(dest, string, len, 'n', '\n');
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return dest;
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}
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@ -209,7 +208,7 @@ static int index_of_next_unescaped_regexp_delim(int delimiter, char *str)
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if (delimiter < 0) {
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bracket--;
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delimiter *= -1;
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delimiter = -delimiter;
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}
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for (; (ch = str[idx]); idx++) {
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@ -228,7 +227,7 @@ static int index_of_next_unescaped_regexp_delim(int delimiter, char *str)
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}
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/* if we make it to here, we've hit the end of the string */
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bb_error_msg_and_die("unmatched '%c'",delimiter);
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bb_error_msg_and_die("unmatched '%c'", delimiter);
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}
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/*
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@ -279,7 +278,7 @@ static int get_address(char *my_str, int *linenum, regex_t ** regex)
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delimiter = '/';
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if (*my_str == '\\') delimiter = *++pos;
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next = index_of_next_unescaped_regexp_delim(delimiter, ++pos);
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temp = copy_parsing_escapes(pos,next);
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temp = copy_parsing_escapes(pos, next);
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*regex = xmalloc(sizeof(regex_t));
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xregcomp(*regex, temp, bbg.regex_type|REG_NEWLINE);
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free(temp);
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@ -336,9 +335,10 @@ static int parse_subst_cmd(sed_cmd_t *sed_cmd, char *substr)
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if (isdigit(substr[idx])) {
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if (match[0] != '^') {
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/* Match 0 treated as all, multiple matches we take the last one. */
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char *pos = substr+idx;
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sed_cmd->which_match = (unsigned short)strtol(substr+idx,&pos,10);
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idx = pos-substr;
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char *pos = substr + idx;
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/* FIXME: error check? */
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sed_cmd->which_match = (unsigned short)strtol(substr+idx, &pos, 10);
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idx = pos - substr;
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}
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continue;
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}
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@ -358,7 +358,7 @@ static int parse_subst_cmd(sed_cmd_t *sed_cmd, char *substr)
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case 'w':
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{
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char *temp;
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idx += parse_file_cmd(sed_cmd,substr+idx,&temp);
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idx += parse_file_cmd(sed_cmd, substr+idx, &temp);
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break;
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}
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@ -413,7 +413,7 @@ static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
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break;
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}
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sed_cmd->string = xstrdup(cmdstr);
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parse_escapes(sed_cmd->string,sed_cmd->string,strlen(cmdstr),0,0);
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parse_escapes(sed_cmd->string, sed_cmd->string, strlen(cmdstr), 0, 0);
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cmdstr += strlen(cmdstr);
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/* handle file cmds: (r)ead */
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} else if (strchr("rw", sed_cmd->cmd)) {
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@ -421,7 +421,7 @@ static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
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bb_error_msg_and_die("command only uses one address");
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cmdstr += parse_file_cmd(sed_cmd, cmdstr, &sed_cmd->string);
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if (sed_cmd->cmd == 'w')
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sed_cmd->file = xfopen(sed_cmd->string,"w");
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sed_cmd->file = xfopen(sed_cmd->string, "w");
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/* handle branch commands */
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} else if (strchr(":btT", sed_cmd->cmd)) {
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int length;
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@ -440,8 +440,8 @@ static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
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cmdstr += parse_regex_delim(cmdstr, &match, &replace)+1;
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/* \n already parsed, but \delimiter needs unescaping. */
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parse_escapes(match,match,strlen(match),i,i);
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parse_escapes(replace,replace,strlen(replace),i,i);
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parse_escapes(match, match, strlen(match), i, i);
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parse_escapes(replace, replace, strlen(replace), i, i);
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sed_cmd->string = xzalloc((strlen(match) + 1) * 2);
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for (i = 0; match[i] && replace[i]; i++) {
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@ -641,7 +641,7 @@ static int do_subst_command(sed_cmd_t *sed_cmd, char **line)
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/* If we aren't interested in this match, output old line to
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end of match and continue */
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if (sed_cmd->which_match && sed_cmd->which_match!=match_count) {
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if (sed_cmd->which_match && sed_cmd->which_match != match_count) {
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for (i = 0; i < bbg.regmatch[0].rm_eo; i++)
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pipe_putc(*oldline++);
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continue;
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@ -698,7 +698,7 @@ static void flush_append(void)
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/* Output appended lines. */
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while ((data = (char *)llist_pop(&bbg.append_head))) {
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fprintf(bbg.nonstdout,"%s\n",data);
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fprintf(bbg.nonstdout, "%s\n", data);
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free(data);
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}
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}
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@ -801,325 +801,327 @@ static void process_files(void)
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next_line = get_next_line(&next_last_char);
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/* go through every line in each file */
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for (;;) {
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sed_cmd_t *sed_cmd;
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int substituted = 0;
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again:
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/* Advance to next line. Stop if out of lines. */
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pattern_space = next_line;
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if (!pattern_space) break;
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last_char = next_last_char;
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sed_cmd_t *sed_cmd;
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int substituted = 0;
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/* Read one line in advance so we can act on the last line,
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* the '$' address */
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next_line = get_next_line(&next_last_char);
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linenum++;
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/* Advance to next line. Stop if out of lines. */
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pattern_space = next_line;
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if (!pattern_space) return;
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last_char = next_last_char;
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/* Read one line in advance so we can act on the last line,
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* the '$' address */
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next_line = get_next_line(&next_last_char);
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linenum++;
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restart:
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/* for every line, go through all the commands */
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for (sed_cmd = bbg.sed_cmd_head.next; sed_cmd; sed_cmd = sed_cmd->next) {
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int old_matched, matched;
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/* for every line, go through all the commands */
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for (sed_cmd = bbg.sed_cmd_head.next; sed_cmd; sed_cmd = sed_cmd->next) {
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int old_matched, matched;
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old_matched = sed_cmd->in_match;
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old_matched = sed_cmd->in_match;
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/* Determine if this command matches this line: */
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/* Determine if this command matches this line: */
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/* Are we continuing a previous multi-line match? */
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sed_cmd->in_match = sed_cmd->in_match
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/* Or is no range necessary? */
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|| (!sed_cmd->beg_line && !sed_cmd->end_line
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&& !sed_cmd->beg_match && !sed_cmd->end_match)
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/* Or did we match the start of a numerical range? */
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|| (sed_cmd->beg_line > 0 && (sed_cmd->beg_line == linenum))
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/* Or does this line match our begin address regex? */
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|| (sed_cmd->beg_match &&
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!regexec(sed_cmd->beg_match, pattern_space, 0, NULL, 0))
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/* Or did we match last line of input? */
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|| (sed_cmd->beg_line == -1 && next_line == NULL);
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/* Are we continuing a previous multi-line match? */
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sed_cmd->in_match = sed_cmd->in_match
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/* Or is no range necessary? */
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|| (!sed_cmd->beg_line && !sed_cmd->end_line
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&& !sed_cmd->beg_match && !sed_cmd->end_match)
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/* Or did we match the start of a numerical range? */
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|| (sed_cmd->beg_line > 0 && (sed_cmd->beg_line == linenum))
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/* Or does this line match our begin address regex? */
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|| (sed_cmd->beg_match &&
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!regexec(sed_cmd->beg_match, pattern_space, 0, NULL, 0))
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/* Or did we match last line of input? */
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|| (sed_cmd->beg_line == -1 && next_line == NULL);
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/* Snapshot the value */
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/* Snapshot the value */
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matched = sed_cmd->in_match;
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matched = sed_cmd->in_match;
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/* Is this line the end of the current match? */
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/* Is this line the end of the current match? */
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if (matched) {
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sed_cmd->in_match = !(
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/* has the ending line come, or is this a single address command? */
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(sed_cmd->end_line ?
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sed_cmd->end_line==-1 ?
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!next_line
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: sed_cmd->end_line<=linenum
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: !sed_cmd->end_match)
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/* or does this line matches our last address regex */
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|| (sed_cmd->end_match && old_matched && (regexec(sed_cmd->end_match, pattern_space, 0, NULL, 0) == 0))
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);
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}
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/* Skip blocks of commands we didn't match. */
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if (sed_cmd->cmd == '{') {
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if (sed_cmd->invert ? matched : !matched)
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while (sed_cmd && sed_cmd->cmd != '}')
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sed_cmd = sed_cmd->next;
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if (!sed_cmd) bb_error_msg_and_die("unterminated {");
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continue;
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}
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/* Okay, so did this line match? */
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if (sed_cmd->invert ? !matched : matched) {
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/* Update last used regex in case a blank substitute BRE is found */
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if (sed_cmd->beg_match) {
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bbg.previous_regex_ptr = sed_cmd->beg_match;
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}
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/* actual sedding */
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switch (sed_cmd->cmd) {
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/* Print line number */
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case '=':
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fprintf(bbg.nonstdout, "%d\n", linenum);
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break;
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/* Write the current pattern space up to the first newline */
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case 'P':
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{
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char *tmp = strchr(pattern_space, '\n');
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if (tmp) {
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*tmp = '\0';
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sed_puts(pattern_space,1);
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*tmp = '\n';
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break;
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}
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/* Fall Through */
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}
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/* Write the current pattern space to output */
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case 'p':
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sed_puts(pattern_space, last_char);
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break;
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/* Delete up through first newline */
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case 'D':
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{
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char *tmp = strchr(pattern_space,'\n');
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if (tmp) {
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tmp = xstrdup(tmp+1);
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free(pattern_space);
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pattern_space = tmp;
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goto restart;
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}
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}
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/* discard this line. */
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case 'd':
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goto discard_line;
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/* Substitute with regex */
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case 's':
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if (!do_subst_command(sed_cmd, &pattern_space))
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break;
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substituted |= 1;
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/* handle p option */
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if (sed_cmd->sub_p)
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sed_puts(pattern_space, last_char);
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/* handle w option */
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if (sed_cmd->file)
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sed_cmd->last_char = puts_maybe_newline(
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pattern_space, sed_cmd->file,
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sed_cmd->last_char, last_char);
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break;
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/* Append line to linked list to be printed later */
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case 'a':
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append(sed_cmd->string);
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break;
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/* Insert text before this line */
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case 'i':
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sed_puts(sed_cmd->string,1);
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break;
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/* Cut and paste text (replace) */
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case 'c':
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/* Only triggers on last line of a matching range. */
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if (!sed_cmd->in_match)
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sed_puts(sed_cmd->string,0);
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goto discard_line;
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/* Read file, append contents to output */
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case 'r':
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{
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FILE *rfile;
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rfile = fopen(sed_cmd->string, "r");
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if (rfile) {
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char *line;
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while ((line = xmalloc_getline(rfile))
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!= NULL)
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append(line);
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xprint_and_close_file(rfile);
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}
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break;
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}
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/* Write pattern space to file. */
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case 'w':
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sed_cmd->last_char = puts_maybe_newline(
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pattern_space,sed_cmd->file,
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sed_cmd->last_char, last_char);
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break;
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/* Read next line from input */
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case 'n':
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if (!bbg.be_quiet)
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sed_puts(pattern_space, last_char);
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if (next_line) {
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free(pattern_space);
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pattern_space = next_line;
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last_char = next_last_char;
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next_line = get_next_line(&next_last_char);
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linenum++;
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break;
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}
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/* fall through */
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/* Quit. End of script, end of input. */
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case 'q':
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/* Exit the outer while loop */
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free(next_line);
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next_line = NULL;
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goto discard_commands;
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/* Append the next line to the current line */
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case 'N':
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{
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/* If no next line, jump to end of script and exit. */
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if (next_line == NULL) {
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/* Jump to end of script and exit */
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free(next_line);
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next_line = NULL;
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goto discard_line;
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/* append next_line, read new next_line. */
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} else {
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int len = strlen(pattern_space);
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pattern_space = realloc(pattern_space, len + strlen(next_line) + 2);
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pattern_space[len] = '\n';
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strcpy(pattern_space + len+1, next_line);
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last_char = next_last_char;
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next_line = get_next_line(&next_last_char);
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linenum++;
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}
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break;
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}
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/* Test/branch if substitution occurred */
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case 't':
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if (!substituted) break;
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substituted = 0;
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/* Fall through */
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/* Test/branch if substitution didn't occur */
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case 'T':
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if (substituted) break;
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/* Fall through */
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/* Branch to label */
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case 'b':
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if (!sed_cmd->string) goto discard_commands;
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else sed_cmd = branch_to(sed_cmd->string);
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break;
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/* Transliterate characters */
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case 'y':
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{
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int i;
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for (i = 0; pattern_space[i]; i++) {
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int j;
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for (j = 0; sed_cmd->string[j]; j += 2) {
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if (pattern_space[i] == sed_cmd->string[j]) {
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pattern_space[i] = sed_cmd->string[j + 1];
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break;
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}
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}
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}
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break;
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}
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case 'g': /* Replace pattern space with hold space */
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free(pattern_space);
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pattern_space = xstrdup(bbg.hold_space ? bbg.hold_space : "");
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break;
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case 'G': /* Append newline and hold space to pattern space */
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{
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int pattern_space_size = 2;
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int hold_space_size = 0;
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if (pattern_space)
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pattern_space_size += strlen(pattern_space);
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if (bbg.hold_space)
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hold_space_size = strlen(bbg.hold_space);
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pattern_space = xrealloc(pattern_space,
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pattern_space_size + hold_space_size);
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if (pattern_space_size == 2)
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pattern_space[0] = 0;
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strcat(pattern_space, "\n");
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if (bbg.hold_space)
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strcat(pattern_space, bbg.hold_space);
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last_char = '\n';
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break;
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}
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case 'h': /* Replace hold space with pattern space */
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free(bbg.hold_space);
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bbg.hold_space = xstrdup(pattern_space);
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break;
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case 'H': /* Append newline and pattern space to hold space */
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{
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int hold_space_size = 2;
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int pattern_space_size = 0;
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if (bbg.hold_space)
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hold_space_size += strlen(bbg.hold_space);
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if (pattern_space)
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pattern_space_size = strlen(pattern_space);
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bbg.hold_space = xrealloc(bbg.hold_space,
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hold_space_size + pattern_space_size);
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if (hold_space_size == 2)
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*bbg.hold_space = 0;
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strcat(bbg.hold_space, "\n");
|
||||
if (pattern_space)
|
||||
strcat(bbg.hold_space, pattern_space);
|
||||
|
||||
break;
|
||||
}
|
||||
case 'x': /* Exchange hold and pattern space */
|
||||
{
|
||||
char *tmp = pattern_space;
|
||||
pattern_space = bbg.hold_space ? : xzalloc(1);
|
||||
last_char = '\n';
|
||||
bbg.hold_space = tmp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (matched) {
|
||||
sed_cmd->in_match = !(
|
||||
/* has the ending line come, or is this a single address command? */
|
||||
(sed_cmd->end_line ?
|
||||
sed_cmd->end_line == -1 ?
|
||||
!next_line
|
||||
: (sed_cmd->end_line <= linenum)
|
||||
: !sed_cmd->end_match
|
||||
)
|
||||
/* or does this line matches our last address regex */
|
||||
|| (sed_cmd->end_match && old_matched
|
||||
&& (regexec(sed_cmd->end_match,
|
||||
pattern_space, 0, NULL, 0) == 0))
|
||||
);
|
||||
}
|
||||
|
||||
/*
|
||||
* exit point from sedding...
|
||||
*/
|
||||
discard_commands:
|
||||
/* we will print the line unless we were told to be quiet ('-n')
|
||||
or if the line was suppressed (ala 'd'elete) */
|
||||
if (!bbg.be_quiet) sed_puts(pattern_space, last_char);
|
||||
/* Skip blocks of commands we didn't match. */
|
||||
if (sed_cmd->cmd == '{') {
|
||||
if (sed_cmd->invert ? matched : !matched)
|
||||
while (sed_cmd && sed_cmd->cmd != '}')
|
||||
sed_cmd = sed_cmd->next;
|
||||
if (!sed_cmd) bb_error_msg_and_die("unterminated {");
|
||||
continue;
|
||||
}
|
||||
|
||||
/* Delete and such jump here. */
|
||||
discard_line:
|
||||
flush_append();
|
||||
free(pattern_space);
|
||||
/* Okay, so did this line match? */
|
||||
if (sed_cmd->invert ? !matched : matched) {
|
||||
/* Update last used regex in case a blank substitute BRE is found */
|
||||
if (sed_cmd->beg_match) {
|
||||
bbg.previous_regex_ptr = sed_cmd->beg_match;
|
||||
}
|
||||
|
||||
/* actual sedding */
|
||||
switch (sed_cmd->cmd) {
|
||||
|
||||
/* Print line number */
|
||||
case '=':
|
||||
fprintf(bbg.nonstdout, "%d\n", linenum);
|
||||
break;
|
||||
|
||||
/* Write the current pattern space up to the first newline */
|
||||
case 'P':
|
||||
{
|
||||
char *tmp = strchr(pattern_space, '\n');
|
||||
|
||||
if (tmp) {
|
||||
*tmp = '\0';
|
||||
sed_puts(pattern_space, 1);
|
||||
*tmp = '\n';
|
||||
break;
|
||||
}
|
||||
/* Fall Through */
|
||||
}
|
||||
|
||||
/* Write the current pattern space to output */
|
||||
case 'p':
|
||||
sed_puts(pattern_space, last_char);
|
||||
break;
|
||||
/* Delete up through first newline */
|
||||
case 'D':
|
||||
{
|
||||
char *tmp = strchr(pattern_space, '\n');
|
||||
|
||||
if (tmp) {
|
||||
tmp = xstrdup(tmp+1);
|
||||
free(pattern_space);
|
||||
pattern_space = tmp;
|
||||
goto restart;
|
||||
}
|
||||
}
|
||||
/* discard this line. */
|
||||
case 'd':
|
||||
goto discard_line;
|
||||
|
||||
/* Substitute with regex */
|
||||
case 's':
|
||||
if (!do_subst_command(sed_cmd, &pattern_space))
|
||||
break;
|
||||
substituted |= 1;
|
||||
|
||||
/* handle p option */
|
||||
if (sed_cmd->sub_p)
|
||||
sed_puts(pattern_space, last_char);
|
||||
/* handle w option */
|
||||
if (sed_cmd->file)
|
||||
sed_cmd->last_char = puts_maybe_newline(
|
||||
pattern_space, sed_cmd->file,
|
||||
sed_cmd->last_char, last_char);
|
||||
break;
|
||||
|
||||
/* Append line to linked list to be printed later */
|
||||
case 'a':
|
||||
append(sed_cmd->string);
|
||||
break;
|
||||
|
||||
/* Insert text before this line */
|
||||
case 'i':
|
||||
sed_puts(sed_cmd->string, 1);
|
||||
break;
|
||||
|
||||
/* Cut and paste text (replace) */
|
||||
case 'c':
|
||||
/* Only triggers on last line of a matching range. */
|
||||
if (!sed_cmd->in_match)
|
||||
sed_puts(sed_cmd->string, 0);
|
||||
goto discard_line;
|
||||
|
||||
/* Read file, append contents to output */
|
||||
case 'r':
|
||||
{
|
||||
FILE *rfile;
|
||||
|
||||
rfile = fopen(sed_cmd->string, "r");
|
||||
if (rfile) {
|
||||
char *line;
|
||||
|
||||
while ((line = xmalloc_getline(rfile))
|
||||
!= NULL)
|
||||
append(line);
|
||||
xprint_and_close_file(rfile);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
/* Write pattern space to file. */
|
||||
case 'w':
|
||||
sed_cmd->last_char = puts_maybe_newline(
|
||||
pattern_space, sed_cmd->file,
|
||||
sed_cmd->last_char, last_char);
|
||||
break;
|
||||
|
||||
/* Read next line from input */
|
||||
case 'n':
|
||||
if (!bbg.be_quiet)
|
||||
sed_puts(pattern_space, last_char);
|
||||
if (next_line) {
|
||||
free(pattern_space);
|
||||
pattern_space = next_line;
|
||||
last_char = next_last_char;
|
||||
next_line = get_next_line(&next_last_char);
|
||||
linenum++;
|
||||
break;
|
||||
}
|
||||
/* fall through */
|
||||
|
||||
/* Quit. End of script, end of input. */
|
||||
case 'q':
|
||||
/* Exit the outer while loop */
|
||||
free(next_line);
|
||||
next_line = NULL;
|
||||
goto discard_commands;
|
||||
|
||||
/* Append the next line to the current line */
|
||||
case 'N':
|
||||
{
|
||||
int len;
|
||||
/* If no next line, jump to end of script and exit. */
|
||||
if (next_line == NULL) {
|
||||
/* Jump to end of script and exit */
|
||||
free(next_line);
|
||||
next_line = NULL;
|
||||
goto discard_line;
|
||||
/* append next_line, read new next_line. */
|
||||
}
|
||||
len = strlen(pattern_space);
|
||||
pattern_space = realloc(pattern_space, len + strlen(next_line) + 2);
|
||||
pattern_space[len] = '\n';
|
||||
strcpy(pattern_space + len+1, next_line);
|
||||
last_char = next_last_char;
|
||||
next_line = get_next_line(&next_last_char);
|
||||
linenum++;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Test/branch if substitution occurred */
|
||||
case 't':
|
||||
if (!substituted) break;
|
||||
substituted = 0;
|
||||
/* Fall through */
|
||||
/* Test/branch if substitution didn't occur */
|
||||
case 'T':
|
||||
if (substituted) break;
|
||||
/* Fall through */
|
||||
/* Branch to label */
|
||||
case 'b':
|
||||
if (!sed_cmd->string) goto discard_commands;
|
||||
else sed_cmd = branch_to(sed_cmd->string);
|
||||
break;
|
||||
/* Transliterate characters */
|
||||
case 'y':
|
||||
{
|
||||
int i, j;
|
||||
|
||||
for (i = 0; pattern_space[i]; i++) {
|
||||
for (j = 0; sed_cmd->string[j]; j += 2) {
|
||||
if (pattern_space[i] == sed_cmd->string[j]) {
|
||||
pattern_space[i] = sed_cmd->string[j + 1];
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
case 'g': /* Replace pattern space with hold space */
|
||||
free(pattern_space);
|
||||
pattern_space = xstrdup(bbg.hold_space ? bbg.hold_space : "");
|
||||
break;
|
||||
case 'G': /* Append newline and hold space to pattern space */
|
||||
{
|
||||
int pattern_space_size = 2;
|
||||
int hold_space_size = 0;
|
||||
|
||||
if (pattern_space)
|
||||
pattern_space_size += strlen(pattern_space);
|
||||
if (bbg.hold_space)
|
||||
hold_space_size = strlen(bbg.hold_space);
|
||||
pattern_space = xrealloc(pattern_space,
|
||||
pattern_space_size + hold_space_size);
|
||||
if (pattern_space_size == 2)
|
||||
pattern_space[0] = 0;
|
||||
strcat(pattern_space, "\n");
|
||||
if (bbg.hold_space)
|
||||
strcat(pattern_space, bbg.hold_space);
|
||||
last_char = '\n';
|
||||
|
||||
break;
|
||||
}
|
||||
case 'h': /* Replace hold space with pattern space */
|
||||
free(bbg.hold_space);
|
||||
bbg.hold_space = xstrdup(pattern_space);
|
||||
break;
|
||||
case 'H': /* Append newline and pattern space to hold space */
|
||||
{
|
||||
int hold_space_size = 2;
|
||||
int pattern_space_size = 0;
|
||||
|
||||
if (bbg.hold_space)
|
||||
hold_space_size += strlen(bbg.hold_space);
|
||||
if (pattern_space)
|
||||
pattern_space_size = strlen(pattern_space);
|
||||
bbg.hold_space = xrealloc(bbg.hold_space,
|
||||
hold_space_size + pattern_space_size);
|
||||
|
||||
if (hold_space_size == 2)
|
||||
*bbg.hold_space = 0;
|
||||
strcat(bbg.hold_space, "\n");
|
||||
if (pattern_space)
|
||||
strcat(bbg.hold_space, pattern_space);
|
||||
|
||||
break;
|
||||
}
|
||||
case 'x': /* Exchange hold and pattern space */
|
||||
{
|
||||
char *tmp = pattern_space;
|
||||
pattern_space = bbg.hold_space ? : xzalloc(1);
|
||||
last_char = '\n';
|
||||
bbg.hold_space = tmp;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* exit point from sedding...
|
||||
*/
|
||||
discard_commands:
|
||||
/* we will print the line unless we were told to be quiet ('-n')
|
||||
or if the line was suppressed (ala 'd'elete) */
|
||||
if (!bbg.be_quiet) sed_puts(pattern_space, last_char);
|
||||
|
||||
/* Delete and such jump here. */
|
||||
discard_line:
|
||||
flush_append();
|
||||
free(pattern_space);
|
||||
|
||||
goto again;
|
||||
}
|
||||
|
||||
/* It is possible to have a command line argument with embedded
|
||||
@ -1131,7 +1133,7 @@ static void add_cmd_block(char *cmdstr)
|
||||
char *temp = xstrdup(cmdstr), *temp2 = temp;
|
||||
|
||||
while (go) {
|
||||
int len = strcspn(temp2,"\n");
|
||||
int len = strcspn(temp2, "\n");
|
||||
if (!temp2[len]) go = 0;
|
||||
else temp2[len] = 0;
|
||||
add_cmd(temp2);
|
||||
@ -1165,31 +1167,37 @@ static void add_files_link(llist_t *opt_f)
|
||||
|
||||
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;
|
||||
|
||||
bbg.sed_cmd_tail=&bbg.sed_cmd_head;
|
||||
bbg.sed_cmd_tail = &bbg.sed_cmd_head;
|
||||
|
||||
/* 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")) {
|
||||
printf("This is not GNU sed version 4.0\n");
|
||||
exit(0);
|
||||
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 */
|
||||
opt = getopt32(argc, argv, "irne:f:", &opt_e, &opt_f);
|
||||
if (opt & 0x1) { // -i
|
||||
bbg.in_place++;
|
||||
opt_complementary = "e::f::" /* can occur multiple times */
|
||||
"nn"; /* count -n */
|
||||
opt = getopt32(argc, argv, "irne:f:", &opt_e, &opt_f,
|
||||
&bbg.be_quiet); /* counter for -n */
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
if (opt & OPT_in_place) { // -i
|
||||
atexit(cleanup_outname);
|
||||
}
|
||||
if (opt & 0x2) bbg.regex_type|=REG_EXTENDED; // -r
|
||||
if (opt & 0x4) bbg.be_quiet++; // -n
|
||||
if (opt & 0x2) bbg.regex_type |= REG_EXTENDED; // -r
|
||||
//if (opt & 0x4) bbg.be_quiet++; // -n
|
||||
if (opt & 0x8) { // -e
|
||||
/* getopt32 reverses order of arguments, handle it */
|
||||
add_cmds_link(opt_e);
|
||||
@ -1198,12 +1206,12 @@ int sed_main(int argc, char **argv)
|
||||
/* getopt32 reverses order of arguments, handle it */
|
||||
add_files_link(opt_f);
|
||||
}
|
||||
/* if we didn't get a pattern from -e or -f, use argv[optind] */
|
||||
/* if we didn't get a pattern from -e or -f, use argv[0] */
|
||||
if (!(opt & 0x18)) {
|
||||
if (argv[optind] == NULL)
|
||||
if (!argc)
|
||||
bb_show_usage();
|
||||
else
|
||||
add_cmd_block(argv[optind++]);
|
||||
add_cmd_block(*argv++);
|
||||
argc--;
|
||||
}
|
||||
/* Flush any unfinished commands. */
|
||||
add_cmd("");
|
||||
@ -1211,11 +1219,11 @@ int sed_main(int argc, char **argv)
|
||||
/* By default, we write to stdout */
|
||||
bbg.nonstdout = stdout;
|
||||
|
||||
/* argv[(optind)..(argc-1)] should be names of file to process. If no
|
||||
/* 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[optind] == NULL) {
|
||||
if (bbg.in_place)
|
||||
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();
|
||||
@ -1223,11 +1231,13 @@ int sed_main(int argc, char **argv)
|
||||
int i;
|
||||
FILE *file;
|
||||
|
||||
for (i = optind; i < argc; i++) {
|
||||
for (i = 0; i < argc; i++) {
|
||||
struct stat statbuf;
|
||||
int nonstdoutfd;
|
||||
|
||||
if (!strcmp(argv[i], "-") && !bbg.in_place) {
|
||||
if (argv[i][0] == '-' && !argv[i][1]
|
||||
&& !(opt & OPT_in_place)
|
||||
) {
|
||||
add_input_file(stdin);
|
||||
process_files();
|
||||
continue;
|
||||
@ -1237,7 +1247,7 @@ int sed_main(int argc, char **argv)
|
||||
status = EXIT_FAILURE;
|
||||
continue;
|
||||
}
|
||||
if (!bbg.in_place) {
|
||||
if (!(opt & OPT_in_place)) {
|
||||
add_input_file(file);
|
||||
continue;
|
||||
}
|
||||
@ -1246,12 +1256,12 @@ int sed_main(int argc, char **argv)
|
||||
nonstdoutfd = mkstemp(bbg.outname);
|
||||
if (-1 == nonstdoutfd)
|
||||
bb_error_msg_and_die("no temp file");
|
||||
bbg.nonstdout = fdopen(nonstdoutfd,"w");
|
||||
bbg.nonstdout = fdopen(nonstdoutfd, "w");
|
||||
|
||||
/* Set permissions of output file */
|
||||
|
||||
fstat(fileno(file),&statbuf);
|
||||
fchmod(nonstdoutfd,statbuf.st_mode);
|
||||
fstat(fileno(file), &statbuf);
|
||||
fchmod(nonstdoutfd, statbuf.st_mode);
|
||||
add_input_file(file);
|
||||
process_files();
|
||||
fclose(bbg.nonstdout);
|
||||
@ -1259,7 +1269,7 @@ int sed_main(int argc, char **argv)
|
||||
bbg.nonstdout = stdout;
|
||||
/* unlink(argv[i]); */
|
||||
// FIXME: error check / message?
|
||||
rename(bbg.outname,argv[i]);
|
||||
rename(bbg.outname, argv[i]);
|
||||
free(bbg.outname);
|
||||
bbg.outname = 0;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user