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-rw-r--r--editors/sed.c666
1 files changed, 338 insertions, 328 deletions
diff --git a/editors/sed.c b/editors/sed.c
index 94368aa..877d1c4 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -91,15 +91,14 @@ typedef struct sed_cmd_s {
static const char *const semicolon_whitespace = "; \n\r\t\v";
-struct sed_globals
-{
+struct sed_globals {
/* options */
- int be_quiet, in_place, regex_type;
+ int be_quiet, regex_type;
FILE *nonstdout;
char *outname, *hold_space;
/* List of input files */
- int input_file_count,current_input_file;
+ int input_file_count, current_input_file;
FILE **input_file_list;
regmatch_t regmatch[10];
@@ -123,7 +122,7 @@ struct sed_globals
void sed_free_and_close_stuff(void);
#if ENABLE_FEATURE_CLEAN_UP
-void sed_free_and_close_stuff(void)
+static void sed_free_and_close_stuff(void)
{
sed_cmd_t *sed_cmd = bbg.sed_cmd_head.next;
@@ -187,9 +186,9 @@ static void parse_escapes(char *dest, char *string, int len, char from, char to)
static char *copy_parsing_escapes(char *string, int len)
{
- char *dest = xmalloc(len+1);
+ char *dest = xmalloc(len + 1);
- parse_escapes(dest,string,len,'n','\n');
+ parse_escapes(dest, string, len, 'n', '\n');
return dest;
}
@@ -209,7 +208,7 @@ static int index_of_next_unescaped_regexp_delim(int delimiter, char *str)
if (delimiter < 0) {
bracket--;
- delimiter *= -1;
+ delimiter = -delimiter;
}
for (; (ch = str[idx]); idx++) {
@@ -228,7 +227,7 @@ static int index_of_next_unescaped_regexp_delim(int delimiter, char *str)
}
/* if we make it to here, we've hit the end of the string */
- bb_error_msg_and_die("unmatched '%c'",delimiter);
+ bb_error_msg_and_die("unmatched '%c'", delimiter);
}
/*
@@ -279,7 +278,7 @@ static int get_address(char *my_str, int *linenum, regex_t ** regex)
delimiter = '/';
if (*my_str == '\\') delimiter = *++pos;
next = index_of_next_unescaped_regexp_delim(delimiter, ++pos);
- temp = copy_parsing_escapes(pos,next);
+ temp = copy_parsing_escapes(pos, next);
*regex = xmalloc(sizeof(regex_t));
xregcomp(*regex, temp, bbg.regex_type|REG_NEWLINE);
free(temp);
@@ -336,9 +335,10 @@ static int parse_subst_cmd(sed_cmd_t *sed_cmd, char *substr)
if (isdigit(substr[idx])) {
if (match[0] != '^') {
/* Match 0 treated as all, multiple matches we take the last one. */
- char *pos = substr+idx;
- sed_cmd->which_match = (unsigned short)strtol(substr+idx,&pos,10);
- idx = pos-substr;
+ char *pos = substr + idx;
+ /* FIXME: error check? */
+ sed_cmd->which_match = (unsigned short)strtol(substr+idx, &pos, 10);
+ idx = pos - substr;
}
continue;
}
@@ -358,7 +358,7 @@ static int parse_subst_cmd(sed_cmd_t *sed_cmd, char *substr)
case 'w':
{
char *temp;
- idx += parse_file_cmd(sed_cmd,substr+idx,&temp);
+ idx += parse_file_cmd(sed_cmd, substr+idx, &temp);
break;
}
@@ -413,7 +413,7 @@ static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
break;
}
sed_cmd->string = xstrdup(cmdstr);
- parse_escapes(sed_cmd->string,sed_cmd->string,strlen(cmdstr),0,0);
+ parse_escapes(sed_cmd->string, sed_cmd->string, strlen(cmdstr), 0, 0);
cmdstr += strlen(cmdstr);
/* handle file cmds: (r)ead */
} else if (strchr("rw", sed_cmd->cmd)) {
@@ -421,7 +421,7 @@ static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
bb_error_msg_and_die("command only uses one address");
cmdstr += parse_file_cmd(sed_cmd, cmdstr, &sed_cmd->string);
if (sed_cmd->cmd == 'w')
- sed_cmd->file = xfopen(sed_cmd->string,"w");
+ sed_cmd->file = xfopen(sed_cmd->string, "w");
/* handle branch commands */
} else if (strchr(":btT", sed_cmd->cmd)) {
int length;
@@ -440,8 +440,8 @@ static char *parse_cmd_args(sed_cmd_t *sed_cmd, char *cmdstr)
cmdstr += parse_regex_delim(cmdstr, &match, &replace)+1;
/* \n already parsed, but \delimiter needs unescaping. */
- parse_escapes(match,match,strlen(match),i,i);
- parse_escapes(replace,replace,strlen(replace),i,i);
+ parse_escapes(match, match, strlen(match), i, i);
+ parse_escapes(replace, replace, strlen(replace), i, i);
sed_cmd->string = xzalloc((strlen(match) + 1) * 2);
for (i = 0; match[i] && replace[i]; i++) {
@@ -641,7 +641,7 @@ static int do_subst_command(sed_cmd_t *sed_cmd, char **line)
/* If we aren't interested in this match, output old line to
end of match and continue */
- if (sed_cmd->which_match && sed_cmd->which_match!=match_count) {
+ if (sed_cmd->which_match && sed_cmd->which_match != match_count) {
for (i = 0; i < bbg.regmatch[0].rm_eo; i++)
pipe_putc(*oldline++);
continue;
@@ -698,7 +698,7 @@ static void flush_append(void)
/* Output appended lines. */
while ((data = (char *)llist_pop(&bbg.append_head))) {
- fprintf(bbg.nonstdout,"%s\n",data);
+ fprintf(bbg.nonstdout, "%s\n", data);
free(data);
}
}
@@ -801,325 +801,327 @@ static void process_files(void)
next_line = get_next_line(&next_last_char);
/* go through every line in each file */
- for (;;) {
- sed_cmd_t *sed_cmd;
- int substituted = 0;
-
- /* Advance to next line. Stop if out of lines. */
- pattern_space = next_line;
- if (!pattern_space) break;
- last_char = next_last_char;
-
- /* Read one line in advance so we can act on the last line,
- * the '$' address */
- next_line = get_next_line(&next_last_char);
- linenum++;
-restart:
- /* for every line, go through all the commands */
- for (sed_cmd = bbg.sed_cmd_head.next; sed_cmd; sed_cmd = sed_cmd->next) {
- int old_matched, matched;
-
- old_matched = sed_cmd->in_match;
-
- /* Determine if this command matches this line: */
-
- /* Are we continuing a previous multi-line match? */
- sed_cmd->in_match = sed_cmd->in_match
- /* Or is no range necessary? */
- || (!sed_cmd->beg_line && !sed_cmd->end_line
- && !sed_cmd->beg_match && !sed_cmd->end_match)
- /* Or did we match the start of a numerical range? */
- || (sed_cmd->beg_line > 0 && (sed_cmd->beg_line == linenum))
- /* Or does this line match our begin address regex? */
- || (sed_cmd->beg_match &&
- !regexec(sed_cmd->beg_match, pattern_space, 0, NULL, 0))
- /* Or did we match last line of input? */
- || (sed_cmd->beg_line == -1 && next_line == NULL);
-
- /* Snapshot the value */
-
- matched = sed_cmd->in_match;
-
- /* Is this line the end of the current match? */
-
- 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))
- );
- }
+again:
- /* 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;
- }
+ sed_cmd_t *sed_cmd;
+ int substituted = 0;
- /* 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;
- }
+ /* Advance to next line. Stop if out of lines. */
+ pattern_space = next_line;
+ if (!pattern_space) return;
+ last_char = next_last_char;
- /* actual sedding */
- switch (sed_cmd->cmd) {
+ /* Read one line in advance so we can act on the last line,
+ * the '$' address */
+ next_line = get_next_line(&next_last_char);
+ linenum++;
+restart:
+ /* for every line, go through all the commands */
+ for (sed_cmd = bbg.sed_cmd_head.next; sed_cmd; sed_cmd = sed_cmd->next) {
+ int old_matched, matched;
+
+ old_matched = sed_cmd->in_match;
+
+ /* Determine if this command matches this line: */
+
+ /* Are we continuing a previous multi-line match? */
+ sed_cmd->in_match = sed_cmd->in_match
+ /* Or is no range necessary? */
+ || (!sed_cmd->beg_line && !sed_cmd->end_line
+ && !sed_cmd->beg_match && !sed_cmd->end_match)
+ /* Or did we match the start of a numerical range? */
+ || (sed_cmd->beg_line > 0 && (sed_cmd->beg_line == linenum))
+ /* Or does this line match our begin address regex? */
+ || (sed_cmd->beg_match &&
+ !regexec(sed_cmd->beg_match, pattern_space, 0, NULL, 0))
+ /* Or did we match last line of input? */
+ || (sed_cmd->beg_line == -1 && next_line == NULL);
+
+ /* Snapshot the value */
+
+ matched = sed_cmd->in_match;
+
+ /* Is this line the end of the current match? */
+
+ 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))
+ );
+ }
- /* Print line number */
- case '=':
- fprintf(bbg.nonstdout, "%d\n", linenum);
- break;
+ /* 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;
+ }
- /* Write the current pattern space up to the first newline */
- case 'P':
- {
- char *tmp = strchr(pattern_space, '\n');
+ /* 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;
+ }
- if (tmp) {
- *tmp = '\0';
- sed_puts(pattern_space,1);
- *tmp = '\n';
- break;
- }
- /* Fall Through */
- }
+ /* actual sedding */
+ switch (sed_cmd->cmd) {
- /* Write the current pattern space to output */
- case 'p':
- sed_puts(pattern_space, last_char);
+ /* 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;
- /* 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;
+ /* Fall Through */
+ }
- /* 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;
+ /* 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');
- /* Append line to linked list to be printed later */
- case 'a':
- append(sed_cmd->string);
- break;
+ if (tmp) {
+ tmp = xstrdup(tmp+1);
+ free(pattern_space);
+ pattern_space = tmp;
+ goto restart;
+ }
+ }
+ /* discard this line. */
+ case 'd':
+ goto discard_line;
- /* Insert text before this line */
- case 'i':
- sed_puts(sed_cmd->string,1);
+ /* Substitute with regex */
+ case 's':
+ if (!do_subst_command(sed_cmd, &pattern_space))
break;
+ substituted |= 1;
- /* 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;
+ /* 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;
- rfile = fopen(sed_cmd->string, "r");
- if (rfile) {
- char *line;
+ /* Append line to linked list to be printed later */
+ case 'a':
+ append(sed_cmd->string);
+ break;
- while ((line = xmalloc_getline(rfile))
- != NULL)
- append(line);
- xprint_and_close_file(rfile);
- }
+ /* Insert text before this line */
+ case 'i':
+ sed_puts(sed_cmd->string, 1);
+ break;
- 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);
}
- /* 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;
+ 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 */
+ /* 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;
- /* Quit. End of script, end of input. */
- case 'q':
- /* Exit the outer while loop */
+ /* 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_commands;
-
- /* Append the next line to the current line */
- case 'N':
- {
- /* 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. */
- } else {
- int 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;
+ 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;
-
- for (i = 0; pattern_space[i]; i++) {
- int j;
-
- 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;
- }
+ /* 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 '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 '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;
- }
- }
+ 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...
- */
+ /*
+ * 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);
+ /* 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. */
+ /* Delete and such jump here. */
discard_line:
- flush_append();
- free(pattern_space);
- }
+ 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;
}
generated by cgit v1.1 at 2024-12-24 19:08:14 +0000