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-rw-r--r--shell/cmdedit.c249
-rw-r--r--shell/lash.c37
2 files changed, 112 insertions, 174 deletions
diff --git a/shell/cmdedit.c b/shell/cmdedit.c
index a3710812f..eef1a88c8 100644
--- a/shell/cmdedit.c
+++ b/shell/cmdedit.c
@@ -31,8 +31,6 @@
*/
-//#define TEST
-
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
@@ -43,10 +41,16 @@
#include <signal.h>
#include <limits.h>
-#ifndef TEST
-
#include "busybox.h"
+#ifdef BB_LOCALE_SUPPORT
+#define Isprint(c) isprint((c))
+#else
+#define Isprint(c) ( (c) >= ' ' && (c) != ((unsigned char)'\233') )
+#endif
+
+#ifndef TEST
+
#define D(x)
#else
@@ -59,13 +63,6 @@
#define D(x) x
-#ifndef TRUE
-#define TRUE 1
-#endif
-#ifndef FALSE
-#define FALSE 0
-#endif
-
#endif /* TEST */
#ifdef BB_FEATURE_COMMAND_TAB_COMPLETION
@@ -92,29 +89,6 @@
#endif /* advanced FEATURES */
-#ifdef TEST
-void *xrealloc(void *old, size_t size)
-{
- return realloc(old, size);
-}
-
-void *xmalloc(size_t size)
-{
- return malloc(size);
-}
-char *xstrdup(const char *s)
-{
- return strdup(s);
-}
-
-void *xcalloc(size_t size, size_t se)
-{
- return calloc(size, se);
-}
-
-#define error_msg(s, d) fprintf(stderr, s, d)
-#endif /* TEST */
-
struct history {
char *s;
@@ -238,7 +212,7 @@ static void win_changed(int nsig)
static void cmdedit_reset_term(void)
{
if ((handlers_sets & SET_RESET_TERM) != 0) {
- /* sparc and other have broken termios support: use old termio handling. */
+/* sparc and other have broken termios support: use old termio handling. */
setTermSettings(fileno(stdin), (void *) &initial_settings);
handlers_sets &= ~SET_RESET_TERM;
}
@@ -270,9 +244,9 @@ static void cmdedit_set_out_char(int next_char)
int c = (int)((unsigned char) command_ps[cursor]);
if (c == 0)
- c = ' '; /* destroy end char? */
+ c = ' '; /* destroy end char? */
#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
- if (!isprint(c)) { /* Inverse put non-printable characters */
+ if (!Isprint(c)) { /* Inverse put non-printable characters */
if (c >= 128)
c -= 128;
if (c < ' ')
@@ -328,7 +302,7 @@ static void input_backward(int num)
{
if (num > cursor)
num = cursor;
- cursor -= num; /* new cursor (in command, not terminal) */
+ cursor -= num; /* new cursor (in command, not terminal) */
if (cmdedit_x >= num) { /* no to up line */
cmdedit_x -= num;
@@ -369,147 +343,116 @@ static void parse_prompt(const char *prmt_ptr)
put_prompt();
}
#else
-static void add_to_prompt(char **prmt_mem_ptr, int *alm,
- int *prmt_len, const char *addb)
-{
- *prmt_len += strlen(addb);
- if (*alm < (*prmt_len) + 1) {
- *alm = (*prmt_len) + 1;
- *prmt_mem_ptr = xrealloc(*prmt_mem_ptr, *alm);
- }
- strcat(*prmt_mem_ptr, addb);
-}
-
static void parse_prompt(const char *prmt_ptr)
{
- int alm = strlen(prmt_ptr) + 1; /* supposedly require memory */
int prmt_len = 0;
int sub_len = 0;
- int flg_not_length = '[';
- char *prmt_mem_ptr = xstrdup(prmt_ptr);
- char pwd_buf[PATH_MAX + 1];
- char buf[16];
- int c;
-
- pwd_buf[0] = 0;
- *prmt_mem_ptr = 0;
+ char flg_not_length = '[';
+ char *prmt_mem_ptr = xcalloc(1, 1);
+ char *pwd_buf = xgetcwd(0);
+ char buf2[PATH_MAX + 1];
+ char buf[2];
+ char c;
+ char *pbuf;
while (*prmt_ptr) {
+ pbuf = buf;
+ pbuf[1] = 0;
c = *prmt_ptr++;
if (c == '\\') {
- c = *prmt_ptr;
- if (c == 0)
+ const char *cp = prmt_ptr;
+ int l;
+
+ c = process_escape_sequence(&prmt_ptr);
+ if(prmt_ptr==cp) {
+ if (*cp == 0)
break;
- prmt_ptr++;
- switch (c) {
+ c = *prmt_ptr++;
+ switch (c) {
#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
- case 'u':
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, user_buf);
- continue;
+ case 'u':
+ pbuf = user_buf;
+ break;
#endif
- case 'h':
- if (hostname_buf[0] == 0) {
- hostname_buf = xcalloc(256, 1);
- if (gethostname(hostname_buf, 255) < 0) {
- strcpy(hostname_buf, "?");
+ case 'h':
+ pbuf = hostname_buf;
+ if (*pbuf == 0) {
+ pbuf = xcalloc(256, 1);
+ if (gethostname(pbuf, 255) < 0) {
+ strcpy(pbuf, "?");
} else {
- char *s = strchr(hostname_buf, '.');
+ char *s = strchr(pbuf, '.');
if (s)
*s = 0;
}
+ hostname_buf = pbuf;
}
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len,
- hostname_buf);
- continue;
- case '$':
+ break;
+ case '$':
c = my_euid == 0 ? '#' : '$';
break;
#ifdef BB_FEATURE_GETUSERNAME_AND_HOMEDIR
- case 'w':
- if (pwd_buf[0] == 0) {
- int l;
-
- getcwd(pwd_buf, PATH_MAX);
- l = strlen(home_pwd_buf);
- if (home_pwd_buf[0] != 0 &&
- strncmp(home_pwd_buf, pwd_buf, l) == 0) {
- strcpy(pwd_buf + 1, pwd_buf + l);
- pwd_buf[0] = '~';
+ case 'w':
+ pbuf = pwd_buf;
+ l = strlen(home_pwd_buf);
+ if (home_pwd_buf[0] != 0 &&
+ strncmp(home_pwd_buf, pbuf, l) == 0 &&
+ (pbuf[l]=='/' || pbuf[l]=='\0') &&
+ strlen(pwd_buf+l)<PATH_MAX) {
+ pbuf = buf2;
+ *pbuf = '~';
+ strcpy(pbuf+1, pwd_buf+l);
}
- }
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, pwd_buf);
- continue;
+ break;
#endif
- case 'W':
- if (pwd_buf[0] == 0) {
- char *z;
-
- getcwd(pwd_buf, PATH_MAX);
- z = strrchr(pwd_buf,'/');
- if ( (z != NULL) && (z != pwd_buf) ) {
- z++;
- strcpy(pwd_buf,z);
- }
- }
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, pwd_buf);
- continue;
- case '!':
- snprintf(buf, sizeof(buf), "%d", num_ok_lines);
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, buf);
- continue;
- case 'e':
- case 'E': /* \e \E = \033 */
+ case 'W':
+ pbuf = pwd_buf;
+ cp = strrchr(pbuf,'/');
+ if ( (cp != NULL) && (cp != pbuf) )
+ pbuf += (cp-pbuf)+1;
+ break;
+ case '!':
+ snprintf(pbuf = buf2, sizeof(buf2), "%d", num_ok_lines);
+ break;
+ case 'e': case 'E': /* \e \E = \033 */
c = '\033';
break;
- case 'x':
- case 'X':
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':{
- int l;
- int ho = 0;
- char *eho;
-
- if (c == 'X')
- c = 'x';
-
+ case 'x': case 'X':
for (l = 0; l < 3;) {
-
- buf[l++] = *prmt_ptr;
- buf[l] = 0;
- ho = strtol(buf, &eho, c == 'x' ? 16 : 8);
- if (ho > UCHAR_MAX || (eho - buf) < l) {
+ int h;
+ buf2[l++] = *prmt_ptr;
+ buf2[l] = 0;
+ h = strtol(buf2, &pbuf, 16);
+ if (h > UCHAR_MAX || (pbuf - buf2) < l) {
l--;
break;
}
prmt_ptr++;
}
- buf[l] = 0;
- ho = strtol(buf, 0, c == 'x' ? 16 : 8);
- c = ho == 0 ? '?' : (char) ho;
+ buf2[l] = 0;
+ c = (char)strtol(buf2, 0, 16);
+ if(c==0)
+ c = '?';
+ pbuf = buf;
break;
- }
- case '[':
- case ']':
+ case '[': case ']':
if (c == flg_not_length) {
flg_not_length = flg_not_length == '[' ? ']' : '[';
continue;
}
break;
- }
+ }
+ }
}
- buf[0] = c;
- buf[1] = 0;
- add_to_prompt(&prmt_mem_ptr, &alm, &prmt_len, buf);
+ if(pbuf == buf)
+ *pbuf = c;
+ prmt_len += strlen(pbuf);
+ prmt_mem_ptr = strcat(xrealloc(prmt_mem_ptr, prmt_len+1), pbuf);
if (flg_not_length == ']')
sub_len++;
}
+ free(pwd_buf);
cmdedit_prompt = prmt_mem_ptr;
cmdedit_prmt_len = prmt_len - sub_len;
put_prompt();
@@ -789,7 +732,7 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
char **paths = path1;
int npaths;
int i;
- char found[BUFSIZ + 4 + PATH_MAX];
+ char *found;
char *pfind = strrchr(command, '/');
path1[0] = ".";
@@ -822,7 +765,6 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
continue;
while ((next = readdir(dir)) != NULL) {
- const char *str_merge = "%s/%s";
char *str_found = next->d_name;
/* matched ? */
@@ -835,25 +777,23 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
else
continue;
}
- if (paths[i][strlen(paths[i]) - 1] == '/')
- str_merge = "%s%s";
- sprintf(found, str_merge, paths[i], str_found);
+ found = concat_path_file(paths[i], str_found);
/* hmm, remover in progress? */
- if (stat(found, &st) < 0)
- continue;
+ if (stat(found, &st) < 0)
+ goto cont;
/* find with dirs ? */
if (paths[i] != dirbuf)
strcpy(found, next->d_name); /* only name */
if (S_ISDIR(st.st_mode)) {
/* name is directory */
- /* algorithmic only "/" ? */
- if (*str_found)
- strcat(found, "/");
+ str_found = found;
+ found = concat_path_file(found, "");
+ free(str_found);
str_found = add_quote_for_spec_chars(found);
} else {
/* not put found file if search only dirs for cd */
- if (type == FIND_DIR_ONLY)
- continue;
+ if (type == FIND_DIR_ONLY)
+ goto cont;
str_found = add_quote_for_spec_chars(found);
if (type == FIND_FILE_ONLY ||
(type == FIND_EXE_ONLY && is_execute(&st) == TRUE))
@@ -863,6 +803,8 @@ static char **exe_n_cwd_tab_completion(char *command, int *num_matches,
matches = xrealloc(matches, (nm + 1) * sizeof(char *));
matches[nm++] = str_found;
+cont:
+ free(found);
}
closedir(dir);
}
@@ -1440,7 +1382,7 @@ extern void cmdedit_read_input(char *prompt, char command[BUFSIZ])
}
} else
#endif
- if (!isprint(c)) /* Skip non-printable characters */
+ if (!Isprint(c)) /* Skip non-printable characters */
break;
if (len >= (BUFSIZ - 2)) /* Need to leave space for enter */
@@ -1554,6 +1496,9 @@ extern void cmdedit_terminate(void)
#ifdef TEST
+const char *applet_name = "debug stuff usage";
+const char *memory_exhausted = "Memory exhausted";
+
#ifdef BB_FEATURE_NONPRINTABLE_INVERSE_PUT
#include <locale.h>
#endif
diff --git a/shell/lash.c b/shell/lash.c
index 89325b63d..ee45b1a0d 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -64,7 +64,10 @@
#include <sys/wait.h>
#include <unistd.h>
#include <getopt.h>
+
+#ifdef BB_LOCALE_SUPPORT
#include <locale.h>
+#endif
//#define BB_FEATURE_SH_WORDEXP
@@ -80,7 +83,6 @@
#include "cmdedit.h"
-static const int MAX_LINE = 256; /* size of input buffer for cwd data */
static const int MAX_READ = 128; /* size of input buffer for `read' builtin */
#define JOB_STATUS_FORMAT "[%d] %-22s %.40s\n"
@@ -230,7 +232,7 @@ static char syntax_err[]="syntax error near unexpected token";
#endif
static char *PS1;
-static char *PS2;
+static char *PS2 = "> ";
#ifdef DEBUG_SHELL
@@ -294,7 +296,7 @@ static int builtin_cd(struct child_prog *child)
printf("cd: %s: %m\n", newdir);
return EXIT_FAILURE;
}
- getcwd(cwd, sizeof(char)*MAX_LINE);
+ cwd = xgetcwd(cwd);
return EXIT_SUCCESS;
}
@@ -410,7 +412,6 @@ static int builtin_jobs(struct child_prog *child)
/* built-in 'pwd' handler */
static int builtin_pwd(struct child_prog *dummy)
{
- getcwd(cwd, MAX_LINE);
printf( "%s\n", cwd);
return EXIT_SUCCESS;
}
@@ -434,13 +435,14 @@ static int builtin_export(struct child_prog *child)
#ifndef BB_FEATURE_SH_SIMPLE_PROMPT
if (strncmp(v, "PS1=", 4)==0)
PS1 = getenv("PS1");
- else if (strncmp(v, "PS2=", 4)==0)
- PS2 = getenv("PS2");
#endif
+
+#ifdef BB_LOCALE_SUPPORT
if(strncmp(v, "LC_ALL=", 7)==0)
setlocale(LC_ALL, getenv("LC_ALL"));
if(strncmp(v, "LC_CTYPE=", 9)==0)
setlocale(LC_CTYPE, getenv("LC_CTYPE"));
+#endif
return (res);
}
@@ -623,10 +625,7 @@ static int builtin_unset(struct child_prog *child)
*/
static int run_command_predicate(char *cmd)
{
- int n=strlen(cmd);
- local_pending_command = xmalloc(n+1);
- strncpy(local_pending_command, cmd, n);
- local_pending_command[n]='\0';
+ local_pending_command = xstrdup(cmd);
return( busy_loop(NULL));
}
#endif
@@ -808,15 +807,10 @@ static inline void cmdedit_set_initial_prompt(void)
{
#ifdef BB_FEATURE_SH_SIMPLE_PROMPT
PS1 = NULL;
- PS2 = "> ";
#else
PS1 = getenv("PS1");
- if(PS1==0) {
+ if(PS1==0)
PS1 = "\\w \\$ ";
- }
- PS2 = getenv("PS2");
- if(PS2==0)
- PS2 = "> ";
#endif
}
@@ -954,7 +948,7 @@ static int expand_arguments(char *command)
/* Fix up escape sequences to be the Real Thing(tm) */
while( command && command[ix]) {
if (command[ix] == '\\') {
- char *tmp = command+ix+1;
+ const char *tmp = command+ix+1;
command[ix] = process_escape_sequence( &tmp );
memmove(command+ix + 1, tmp, strlen(tmp)+1);
}
@@ -1829,8 +1823,10 @@ static int busy_loop(FILE * input)
#ifdef BB_FEATURE_CLEAN_UP
void free_memory(void)
{
- if (cwd)
+ if (cwd) {
free(cwd);
+ cwd = NULL;
+ }
if (local_pending_command)
free(local_pending_command);
@@ -1850,7 +1846,6 @@ int shell_main(int argc_l, char **argv_l)
/* These variables need re-initializing when recursing */
shell_context = 0;
- cwd=NULL;
local_pending_command = NULL;
close_me_head = NULL;
job_list.head = NULL;
@@ -1921,8 +1916,7 @@ int shell_main(int argc_l, char **argv_l)
}
/* initialize the cwd -- this is never freed...*/
- cwd=(char*)xmalloc(sizeof(char)*MAX_LINE+1);
- getcwd(cwd, sizeof(char)*MAX_LINE);
+ cwd = xgetcwd(0);
#ifdef BB_FEATURE_CLEAN_UP
atexit(free_memory);
@@ -1932,7 +1926,6 @@ int shell_main(int argc_l, char **argv_l)
cmdedit_set_initial_prompt();
#else
PS1 = NULL;
- PS2 = "> ";
#endif
return (busy_loop(input));
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 14:43:40 +0000