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-rw-r--r--busybox/editors/awk.c3
-rw-r--r--busybox/editors/sed.c110
-rw-r--r--busybox/editors/vi.c12
3 files changed, 69 insertions, 56 deletions
diff --git a/busybox/editors/awk.c b/busybox/editors/awk.c
index c1cb2a2..ed8b0f2 100644
--- a/busybox/editors/awk.c
+++ b/busybox/editors/awk.c
@@ -1084,7 +1084,7 @@ static node *parse_expr(unsigned long iexp) {
cn->a.n = vn;
xtc = TC_OPERAND | TC_UOPPRE | TC_REGEXP;
if (tc & (TC_OPERAND | TC_REGEXP)) {
- xtc = TC_UOPPRE | TC_BINOP | TC_OPERAND | iexp;
+ xtc = TC_UOPPRE | TC_UOPPOST | TC_BINOP | TC_OPERAND | iexp;
/* one should be very careful with switch on tclass -
* only simple tclasses should be used! */
switch (tc) {
@@ -1101,7 +1101,6 @@ static node *parse_expr(unsigned long iexp) {
cn->info |= xS;
cn->r.n = parse_expr(TC_ARRTERM);
}
- xtc = TC_UOPPOST | TC_UOPPRE | TC_BINOP | TC_OPERAND | iexp;
break;
case TC_NUMBER:
diff --git a/busybox/editors/sed.c b/busybox/editors/sed.c
index 3d68716..992e571 100644
--- a/busybox/editors/sed.c
+++ b/busybox/editors/sed.c
@@ -34,7 +34,10 @@
resulting sed_cmd_t structures are appended to a linked list
(sed_cmd_head/sed_cmd_tail).
- process_file() does actual sedding, reading data lines from an input FILE *
+ add_input_file() adds a FILE * to the list of input files. We need to
+ know them all ahead of time to find the last line for the $ match.
+
+ process_files() does actual sedding, reading data lines from each input FILE *
(which could be stdin) and applying the sed command list (sed_cmd_head) to
each of the resulting lines.
@@ -112,17 +115,20 @@ typedef struct sed_cmd_s {
/* globals */
/* options */
-static int be_quiet = 0, in_place=0, regex_type=0;
+static int be_quiet, in_place, regex_type;
FILE *nonstdout;
-char *outname;
+char *outname,*hold_space;
+/* List of input files */
+int input_file_count,current_input_file;
+FILE **input_file_list;
static const char bad_format_in_subst[] =
"bad format in substitution expression";
const char *const semicolon_whitespace = "; \n\r\t\v";
regmatch_t regmatch[10];
-static regex_t *previous_regex_ptr = NULL;
+static regex_t *previous_regex_ptr;
/* linked list of sed commands */
static sed_cmd_t sed_cmd_head;
@@ -169,6 +175,11 @@ static void free_and_close_stuff(void)
free(sed_cmd);
sed_cmd = sed_cmd_next;
}
+
+ if(hold_space) free(hold_space);
+
+ while(current_input_file<input_file_count)
+ fclose(input_file_list[current_input_file++]);
}
#endif
@@ -563,6 +574,8 @@ void add_cmd(char *cmdstr)
}
}
+/* Append to a string, reallocating memory as necessary. */
+
struct pipeline {
char *buf; /* Space to hold string */
int idx; /* Space used */
@@ -716,20 +729,29 @@ static void flush_append(void)
append_head=append_tail=NULL;
}
-/* Get next line of input, flushing append buffer and noting if we hit EOF
- * without a newline on the last line.
+void add_input_file(FILE *file)
+{
+ input_file_list=xrealloc(input_file_list,(input_file_count+1)*sizeof(FILE *));
+ input_file_list[input_file_count++]=file;
+}
+
+/* Get next line of input from input_file_list, flushing append buffer and
+ * noting if we ran out of files without a newline on the last line we read.
*/
-static char *get_next_line(FILE * file, int *no_newline)
+static char *get_next_line(int *no_newline)
{
- char *temp;
+ char *temp=NULL;
int len;
flush_append();
- temp=bb_get_line_from_file(file);
- if(temp) {
- len=strlen(temp);
- if(len && temp[len-1]=='\n') temp[len-1]=0;
- else *no_newline=1;
+ while(current_input_file<input_file_count) {
+ temp=bb_get_line_from_file(input_file_list[current_input_file]);
+ if(temp) {
+ len=strlen(temp);
+ *no_newline=!(len && temp[len-1]=='\n');
+ if(!*no_newline) temp[len-1]=0;
+ break;
+ } else fclose(input_file_list[current_input_file++]);
}
return temp;
@@ -755,15 +777,15 @@ static int puts_maybe_newline(char *s, FILE *file, int missing_newline, int no_n
#define sed_puts(s,n) missing_newline=puts_maybe_newline(s,nonstdout,missing_newline,n)
-static void process_file(FILE *file)
+static void process_files(void)
{
- char *pattern_space, *next_line, *hold_space=NULL;
- static int linenum = 0, missing_newline=0;
+ char *pattern_space, *next_line;
+ int linenum = 0, missing_newline=0;
int no_newline,next_no_newline=0;
- next_line = get_next_line(file,&next_no_newline);
+ next_line = get_next_line(&next_no_newline);
- /* go through every line in the file */
+ /* go through every line in each file */
for(;;) {
sed_cmd_t *sed_cmd;
int substituted=0;
@@ -773,7 +795,7 @@ static void process_file(FILE *file)
no_newline=next_no_newline;
/* Read one line in advance so we can act on the last line, the '$' address */
- next_line = get_next_line(file,&next_no_newline);
+ next_line = get_next_line(&next_no_newline);
linenum++;
restart:
/* for every line, go through all the commands */
@@ -908,7 +930,7 @@ restart:
/* 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,1);
+ if (!sed_cmd->in_match) sed_puts(sed_cmd->string,0);
goto discard_line;
/* Read file, append contents to output */
@@ -942,7 +964,7 @@ restart:
free(pattern_space);
pattern_space = next_line;
no_newline=next_no_newline;
- next_line = get_next_line(file,&next_no_newline);
+ next_line = get_next_line(&next_no_newline);
linenum++;
break;
}
@@ -972,7 +994,7 @@ restart:
pattern_space[len]='\n';
strcpy(pattern_space+len+1, next_line);
no_newline=next_no_newline;
- next_line = get_next_line(file,&next_no_newline);
+ next_line = get_next_line(&next_no_newline);
linenum++;
}
break;
@@ -1007,10 +1029,7 @@ restart:
}
case 'g': /* Replace pattern space with hold space */
free(pattern_space);
- if (hold_space) {
- pattern_space = strdup(hold_space);
- no_newline=0;
- }
+ pattern_space = strdup(hold_space ? hold_space : "");
break;
case 'G': /* Append newline and hold space to pattern space */
{
@@ -1096,9 +1115,7 @@ static void add_cmd_block(char *cmdstr)
extern int sed_main(int argc, char **argv)
{
- int status = EXIT_SUCCESS;
- int opt;
- uint8_t getpat = 1;
+ int status = EXIT_SUCCESS, opt, getpat = 1;
#ifdef CONFIG_FEATURE_CLEAN_UP
/* destroy command strings on exit */
@@ -1153,8 +1170,7 @@ extern int sed_main(int argc, char **argv)
}
}
- /* 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 we didn't get a pattern from -e or -f, use argv[optind] */
if(getpat) {
if (argv[optind] == NULL)
bb_show_usage();
@@ -1171,49 +1187,47 @@ extern int sed_main(int argc, char **argv)
* files were specified or '-' was specified, take input from stdin.
* Otherwise, we process all the files specified. */
if (argv[optind] == NULL) {
- if(in_place) {
- fprintf(stderr,"sed: Filename required for -i\n");
- exit(1);
- }
- process_file(stdin);
+ if(in_place) bb_error_msg_and_die("Filename required for -i");
+ add_input_file(stdin);
+ process_files();
} else {
int i;
FILE *file;
for (i = optind; i < argc; i++) {
if(!strcmp(argv[i], "-") && !in_place) {
- process_file(stdin);
+ add_input_file(stdin);
+ process_files();
} else {
file = bb_wfopen(argv[i], "r");
if (file) {
if(in_place) {
struct stat statbuf;
+ int nonstdoutfd;
+
outname=bb_xstrndup(argv[i],strlen(argv[i])+6);
strcat(outname,"XXXXXX");
+ if(-1==(nonstdoutfd=mkstemp(outname)))
+ bb_error_msg_and_die("no temp file");
+ nonstdout=fdopen(nonstdoutfd,"w");
/* Set permissions of output file */
fstat(fileno(file),&statbuf);
- mkstemp(outname);
- nonstdout=bb_wfopen(outname,"w");
- /* Set permissions of output file */
- fstat(fileno(file),&statbuf);
- fchmod(fileno(nonstdout),statbuf.st_mode);
- atexit(cleanup_outname);
- }
- process_file(file);
- fclose(file);
- if(in_place) {
+ fchmod(nonstdoutfd,statbuf.st_mode);
+ add_input_file(file);
+ process_files();
fclose(nonstdout);
nonstdout=stdout;
unlink(argv[i]);
rename(outname,argv[i]);
free(outname);
outname=0;
- }
+ } else add_input_file(file);
} else {
status = EXIT_FAILURE;
}
}
}
+ if(input_file_count>current_input_file) process_files();
}
return status;
diff --git a/busybox/editors/vi.c b/busybox/editors/vi.c
index cd6cf0e..5a47f5a 100644
--- a/busybox/editors/vi.c
+++ b/busybox/editors/vi.c
@@ -2340,7 +2340,7 @@ static Byte readit(void) // read (maybe cursor) key from stdin
}
//----- IO Routines --------------------------------------------
-static Byte get_one_char()
+static Byte get_one_char(void)
{
static Byte c;
@@ -2600,25 +2600,25 @@ static void place_cursor(int row, int col, int opti)
}
//----- Erase from cursor to end of line -----------------------
-static void clear_to_eol()
+static void clear_to_eol(void)
{
write1(Ceol); // Erase from cursor to end of line
}
//----- Erase from cursor to end of screen -----------------------
-static void clear_to_eos()
+static void clear_to_eos(void)
{
write1(Ceos); // Erase from cursor to end of screen
}
//----- Start standout mode ------------------------------------
-static void standout_start() // send "start reverse video" sequence
+static void standout_start(void) // send "start reverse video" sequence
{
write1(SOs); // Start reverse video mode
}
//----- End standout mode --------------------------------------
-static void standout_end() // send "end reverse video" sequence
+static void standout_end(void) // send "end reverse video" sequence
{
write1(SOn); // End reverse video mode
}
@@ -2648,7 +2648,7 @@ static void Indicate_Error(void)
//----- Screen[] Routines --------------------------------------
//----- Erase the Screen[] memory ------------------------------
-static void screen_erase()
+static void screen_erase(void)
{
memset(screen, ' ', screensize); // clear new screen
}