VERSION = 1
PATCHLEVEL = 12
-SUBLEVEL = 0
+SUBLEVEL = 1
EXTRAVERSION =
NAME = Unnamed
{
// restore keyboard and console settings
xset1(STDIN_FILENO, &tio0, "stdin");
- xioctl(STDIN_FILENO, KDSKBMODE, (void *)kbmode);
+ xioctl(STDIN_FILENO, KDSKBMODE, (void *)(ptrdiff_t)kbmode);
// alarmed? -> exit 0
exit(SIGALRM == signo);
}
// we should exit on any signal
bb_signals(BB_FATAL_SIGS, signal_handler);
// set raw keyboard mode
- xioctl(STDIN_FILENO, KDSKBMODE, (void *)((option_mask32 & OPT_k) ? K_MEDIUMRAW : K_RAW));
+ xioctl(STDIN_FILENO, KDSKBMODE, (void *)(ptrdiff_t)((option_mask32 & OPT_k) ? K_MEDIUMRAW : K_RAW));
// read and show scancodes
while (1) {
} else if (*p == '.' || isdigit(*p)) {
/* it's a number */
- t_double = strtod(p, &p);
+#if ENABLE_DESKTOP
+ if (p[0] == '0' && (p[1] | 0x20) == 'x')
+ t_double = strtoll(p, &p, 0);
+ else
+#endif
+ t_double = strtod(p, &p);
if (*p == '.')
syntax_error(EMSG_UNEXP_TOKEN);
tc = TC_NUMBER;
setvar_p(res, s);
break;
+ /* Bitwise ops must assume that operands are unsigned. GNU Awk 3.1.5:
+ * awk '{ print or(-1,1) }' gives "4.29497e+09", not "-2.xxxe+09" */
case B_an:
- setvar_i(res, (long)getvar_i(av[0]) & (long)getvar_i(av[1]));
+ setvar_i(res, (unsigned long)getvar_i(av[0]) & (unsigned long)getvar_i(av[1]));
break;
case B_co:
- setvar_i(res, ~(long)getvar_i(av[0]));
+ setvar_i(res, ~(unsigned long)getvar_i(av[0]));
break;
case B_ls:
- setvar_i(res, (long)getvar_i(av[0]) << (long)getvar_i(av[1]));
+ setvar_i(res, (unsigned long)getvar_i(av[0]) << (unsigned long)getvar_i(av[1]));
break;
case B_or:
- setvar_i(res, (long)getvar_i(av[0]) | (long)getvar_i(av[1]));
+ setvar_i(res, (unsigned long)getvar_i(av[0]) | (unsigned long)getvar_i(av[1]));
break;
case B_rs:
- setvar_i(res, (long)((unsigned long)getvar_i(av[0]) >> (unsigned long)getvar_i(av[1])));
+ setvar_i(res, (unsigned long)getvar_i(av[0]) >> (unsigned long)getvar_i(av[1]));
break;
case B_xo:
- setvar_i(res, (long)getvar_i(av[0]) ^ (long)getvar_i(av[1]));
+ setvar_i(res, (unsigned long)getvar_i(av[0]) ^ (unsigned long)getvar_i(av[1]));
break;
case B_lo:
#endif
smallint editing; // >0 while we are editing a file
- // [code audit says "can be 0 or 1 only"]
+ // [code audit says "can be 0, 1 or 2 only"]
smallint cmd_mode; // 0=command 1=insert 2=replace
int file_modified; // buffer contents changed (counter, not flag!)
- int last_file_modified; // = -1;
+ int last_file_modified; // = -1;
int fn_start; // index of first cmd line file name
int save_argc; // how many file names on cmd line
int cmdcnt; // repetition count
// These are commands that change text[].
// Remember the input for the "." command
if (!adding2q && ioq_start == NULL
- && strchr(modifying_cmds, c)
+ && c != '\0' && strchr(modifying_cmds, c)
) {
start_new_cmd_q(c);
}
}
//-------------------------------------------------------------------
- place_cursor(rows, 0, FALSE); // go to bottom of screen
- clear_to_eol(); // Erase to end of line
+ place_cursor(rows - 1, 0, FALSE); // go to bottom of screen
+ clear_to_eol(); // erase to end of line
cookmode();
#undef cur_line
}
{
// get buffer for new cmd
// if there is a current cmd count put it in the buffer first
- if (cmdcnt > 0)
+ if (cmdcnt > 0) {
lmc_len = sprintf(last_modifying_cmd, "%d%c", cmdcnt, c);
- else { // just save char c onto queue
+ } else { // just save char c onto queue
last_modifying_cmd[0] = c;
lmc_len = 1;
}
//----- Come here when we get a continue signal -------------------
static void cont_sig(int sig UNUSED_PARAM)
{
- rawmode(); // terminal to "raw"
- last_status_cksum = 0; // force status update
- redraw(TRUE); // re-draw the screen
+ rawmode(); // terminal to "raw"
+ last_status_cksum = 0; // force status update
+ redraw(TRUE); // re-draw the screen
signal(SIGTSTP, suspend_sig);
signal(SIGCONT, SIG_DFL);
- kill(my_pid, SIGCONT);
+ kill(my_pid, SIGCONT); // huh? why? we are already "continued"...
}
//----- Come here when we get a Suspend signal -------------------
static void suspend_sig(int sig UNUSED_PARAM)
{
- place_cursor(rows - 1, 0, FALSE); // go to bottom of screen
- clear_to_eol(); // Erase to end of line
- cookmode(); // terminal to "cooked"
+ place_cursor(rows - 1, 0, FALSE); // go to bottom of screen
+ clear_to_eol(); // erase to end of line
+ cookmode(); // terminal to "cooked"
signal(SIGCONT, cont_sig);
signal(SIGTSTP, SIG_DFL);
fflush(stdout);
n = chars_to_parse;
- // get input from User- are there already input chars in Q?
+ // get input from User - are there already input chars in Q?
if (n <= 0) {
// the Q is empty, wait for a typed char
+ again:
n = safe_read(STDIN_FILENO, readbuffer, sizeof(readbuffer));
- if (n < 0) {
- if (errno == EBADF || errno == EFAULT || errno == EINVAL
- || errno == EIO)
- editing = 0; // want to exit
- errno = 0;
- }
- if (n <= 0)
- return 0; // error
+ if (n <= 0) {
+ place_cursor(rows - 1, 0, FALSE); // go to bottom of screen
+ clear_to_eol(); // erase to end of line
+ cookmode(); // terminal to "cooked"
+ bb_error_msg_and_die("can't read user input");
+ }
+ /* elsewhere we can get very confused by NULs */
+ if (readbuffer[0] == '\0')
+ goto again;
if (readbuffer[0] == 27) {
// This is an ESC char. Is this Esc sequence?
// Could be bare Esc key. See if there are any
struct globals {
int max_matches;
+#if !ENABLE_EXTRA_COMPAT
int reflags;
+#else
+ RE_TRANSLATE_TYPE case_fold; /* RE_TRANSLATE_TYPE is [[un]signed] char* */
+#endif
smalluint invert_search;
smalluint print_filename;
smalluint open_errors;
}; \
} while (0)
#define max_matches (G.max_matches )
+#if !ENABLE_EXTRA_COMPAT
#define reflags (G.reflags )
+#else
+#define case_fold (G.case_fold )
+/* http://www.delorie.com/gnu/docs/regex/regex_46.html */
+#define reflags re_syntax_options
+#undef REG_NOSUB
+#undef REG_EXTENDED
+#undef REG_ICASE
+#define REG_NOSUB bug:is:here /* should not be used */
+#define REG_EXTENDED RE_SYNTAX_EGREP
+#define REG_ICASE bug:is:here /* should not be used */
+#endif
#define invert_search (G.invert_search )
#define print_filename (G.print_filename )
#define open_errors (G.open_errors )
xregcomp(&gl->compiled_regex, gl->pattern, reflags);
#else
memset(&gl->compiled_regex, 0, sizeof(gl->compiled_regex));
+ gl->compiled_regex.translate = case_fold; /* for -i */
if (re_compile_pattern(gl->pattern, strlen(gl->pattern), &gl->compiled_regex))
bb_error_msg_and_die("bad regex '%s'", gl->pattern);
#endif
if (ENABLE_FEATURE_GREP_FGREP_ALIAS && applet_name[0] == 'f')
option_mask32 |= OPT_F;
+#if !ENABLE_EXTRA_COMPAT
if (!(option_mask32 & (OPT_o | OPT_w)))
reflags = REG_NOSUB;
+#endif
if (ENABLE_FEATURE_GREP_EGREP_ALIAS
&& (applet_name[0] == 'e' || (option_mask32 & OPT_E))
) {
reflags |= REG_EXTENDED;
}
+#if ENABLE_EXTRA_COMPAT
+ else {
+ reflags = RE_SYNTAX_GREP;
+ }
+#endif
- if (option_mask32 & OPT_i)
+ if (option_mask32 & OPT_i) {
+#if !ENABLE_EXTRA_COMPAT
reflags |= REG_ICASE;
+#else
+ int i;
+ case_fold = xmalloc(256);
+ for (i = 0; i < 256; i++)
+ case_fold[i] = (unsigned char)i;
+ for (i = 'a'; i <= 'z'; i++)
+ case_fold[i] = (unsigned char)(i - ('a' - 'A'));
+#endif
+ }
argv += optind;
argc -= optind;
#if MAX_HISTORY > 0
+static void save_command_ps_at_cur_history(void)
+{
+ if (command_ps[0] != '\0') {
+ int cur = state->cur_history;
+ free(state->history[cur]);
+ state->history[cur] = xstrdup(command_ps);
+ }
+}
+
/* state->flags is already checked to be nonzero */
-static void get_previous_history(void)
+static int get_previous_history(void)
{
- if (command_ps[0] != '\0' || state->history[state->cur_history] == NULL) {
- free(state->history[state->cur_history]);
- state->history[state->cur_history] = xstrdup(command_ps);
+ if ((state->flags & DO_HISTORY) && state->cur_history) {
+ save_command_ps_at_cur_history();
+ state->cur_history--;
+ return 1;
}
- state->cur_history--;
+ beep();
+ return 0;
}
static int get_next_history(void)
{
if (state->flags & DO_HISTORY) {
- int ch = state->cur_history;
- if (ch < state->cnt_history) {
- get_previous_history(); /* save the current history line */
- state->cur_history = ch + 1;
- return state->cur_history;
+ if (state->cur_history < state->cnt_history) {
+ save_command_ps_at_cur_history(); /* save the current history line */
+ return ++state->cur_history;
}
}
beep();
for (hi = state->cnt_history; hi > 0;) {
hi--;
free(state->history[hi]);
+ state->history[hi] = NULL;
}
for (hi = 0; hi < MAX_HISTORY;) {
l = strlen(hl);
if (l >= MAX_LINELEN)
hl[MAX_LINELEN-1] = '\0';
- if (l == 0 || hl[0] == ' ') {
+ if (l == 0) {
free(hl);
continue;
}
state->history[hi++] = hl;
}
fclose(fp);
- state->cur_history = state->cnt_history = hi;
+ state->cnt_history = hi;
}
}
if (!(state->flags & DO_HISTORY))
return;
-
+ if (str[0] == '\0')
+ return;
i = state->cnt_history;
- free(state->history[MAX_HISTORY]);
- state->history[MAX_HISTORY] = NULL;
- /* After max history, remove the oldest command */
+ /* Don't save dupes */
+ if (i && strcmp(state->history[i-1], str) == 0)
+ return;
+
+ free(state->history[MAX_HISTORY]); /* redundant, paranoia */
+ state->history[MAX_HISTORY] = NULL; /* redundant, paranoia */
+
+ /* If history[] is full, remove the oldest command */
+ /* we need to keep history[MAX_HISTORY] empty, hence >=, not > */
if (i >= MAX_HISTORY) {
free(state->history[0]);
for (i = 0; i < MAX_HISTORY-1; i++)
state->history[i] = state->history[i+1];
+ /* i == MAX_HISTORY-1 */
}
-// Maybe "if (!i || strcmp(history[i-1], command) != 0) ..."
-// (i.e. do not save dups?)
+ /* i <= MAX_HISTORY-1 */
state->history[i++] = xstrdup(str);
+ /* i <= MAX_HISTORY */
state->cur_history = i;
state->cnt_history = i;
#if ENABLE_FEATURE_EDITING_SAVEHISTORY
if ((state->flags & SAVE_HISTORY) && state->hist_file)
load_history(state->hist_file);
#endif
+ state->cur_history = state->cnt_history;
/* prepare before init handlers */
cmdedit_y = 0; /* quasireal y, not true if line > xt*yt */
}
}
#endif
+
+#if 0
+ for (ic = 0; ic <= MAX_HISTORY; ic++)
+ bb_error_msg("history[%d]:'%s'", ic, state->history[ic]);
+ bb_error_msg("cur_history:%d cnt_history:%d", state->cur_history, state->cnt_history);
+#endif
+
/* Print out the command prompt */
parse_and_put_prompt(prompt);
vi_case(CTRL('P')|vbit:)
vi_case('k'|vbit:)
/* Control-p -- Get previous command from history */
- if ((state->flags & DO_HISTORY) && state->cur_history > 0) {
- get_previous_history();
+ if (get_previous_history())
goto rewrite_line;
- }
- beep();
break;
#endif
#if MAX_HISTORY > 0
case 'A':
/* Up Arrow -- Get previous command from history */
- if ((state->flags & DO_HISTORY) && state->cur_history > 0) {
- get_previous_history();
+ if (get_previous_history())
goto rewrite_line;
- }
beep();
break;
case 'B':
rewrite_line:
/* Rewrite the line with the selected history item */
/* change command */
- command_len = strlen(strcpy(command, state->history[state->cur_history]));
+ command_len = strlen(strcpy(command, state->history[state->cur_history] ? : ""));
/* redraw and go to eol (bol, in vi */
redraw(cmdedit_y, (state->flags & VI_MODE) ? 9999 : 0);
break;
char *new_fname;
char *user_name; /* -u USER */
int fd;
+ int src_fd;
int opt_ler;
/* file [opts] Replace crontab from file
bb_show_usage();
/* Read replacement file under user's UID/GID/group vector */
+ src_fd = STDIN_FILENO;
if (!opt_ler) { /* Replace? */
if (!argv[0])
bb_show_usage();
if (NOT_LONE_DASH(argv[0])) {
- fd = open_as_user(pas, argv[0]);
- if (fd < 0)
+ src_fd = open_as_user(pas, argv[0]);
+ if (src_fd < 0)
bb_error_msg_and_die("user %s cannot read %s",
pas->pw_name, argv[0]);
- xmove_fd(fd, STDIN_FILENO);
}
}
tmp_fname = xasprintf("%s.%u", crontab_dir, (unsigned)getpid());
/* No O_EXCL: we don't want to be stuck if earlier crontabs
* were killed, leaving stale temp file behind */
- fd = xopen3(tmp_fname, O_RDWR|O_CREAT|O_TRUNC, 0600);
- xmove_fd(fd, STDIN_FILENO);
- fchown(STDIN_FILENO, pas->pw_uid, pas->pw_gid);
+ src_fd = xopen3(tmp_fname, O_RDWR|O_CREAT|O_TRUNC, 0600);
+ fchown(src_fd, pas->pw_uid, pas->pw_gid);
fd = open(pas->pw_name, O_RDONLY);
if (fd >= 0) {
- bb_copyfd_eof(fd, STDIN_FILENO);
+ bb_copyfd_eof(fd, src_fd);
close(fd);
+ xlseek(src_fd, 0, SEEK_SET);
}
+ close_on_exec_on(src_fd); /* don't want editor to see this fd */
edit_file(pas, tmp_fname);
- xlseek(STDIN_FILENO, 0, SEEK_SET);
/* fall through */
case 0: /* Replace (no -l, -e, or -r were given) */
new_fname = xasprintf("%s.new", pas->pw_name);
fd = open(new_fname, O_WRONLY|O_CREAT|O_TRUNC|O_APPEND, 0600);
if (fd >= 0) {
- bb_copyfd_eof(STDIN_FILENO, fd);
+ bb_copyfd_eof(src_fd, fd);
close(fd);
xrename(new_fname, pas->pw_name);
} else {
case R_68K_PC8:
v -= dot;
- if ((ElfW(Sword))v > 0x7f ||
- (ElfW(Sword))v < -(ElfW(Sword))0x80) {
+ if ((ElfW(Sword))v > 0x7f
+ || (ElfW(Sword))v < -(ElfW(Sword))0x80
+ ) {
ret = obj_reloc_overflow;
}
*(char *)loc = v;
case R_68K_PC16:
v -= dot;
- if ((ElfW(Sword))v > 0x7fff ||
- (ElfW(Sword))v < -(ElfW(Sword))0x8000) {
+ if ((ElfW(Sword))v > 0x7fff
+ || (ElfW(Sword))v < -(ElfW(Sword))0x8000
+ ) {
ret = obj_reloc_overflow;
}
*(short *)loc = v;
{
Elf32_Addr word;
- if ((Elf32_Sword)v > 0x7fff ||
- (Elf32_Sword)v < -(Elf32_Sword)0x8000) {
+ if ((Elf32_Sword)v > 0x7fff
+ || (Elf32_Sword)v < -(Elf32_Sword)0x8000
+ ) {
ret = obj_reloc_overflow;
}
Elf32_Addr word;
v -= dot + 4;
- if ((Elf32_Sword)v > 0x7fff ||
- (Elf32_Sword)v < -(Elf32_Sword)0x8000) {
+ if ((Elf32_Sword)v > 0x7fff
+ || (Elf32_Sword)v < -(Elf32_Sword)0x8000
+ ) {
ret = obj_reloc_overflow;
}
Elf32_Addr word, gp;
/* get _gp */
gp = obj_symbol_final_value(f, obj_find_symbol(f, SPFX "_gp"));
- v-=gp;
- if ((Elf32_Sword)v > 0x7fff ||
- (Elf32_Sword)v < -(Elf32_Sword)0x8000) {
+ v -= gp;
+ if ((Elf32_Sword)v > 0x7fff
+ || (Elf32_Sword)v < -(Elf32_Sword)0x8000
+ ) {
ret = obj_reloc_overflow;
}
for (sym = f->symtab[hash]; sym; sym = sym->next)
if (f->symbol_cmp(sym->name, name) == 0)
return sym;
-
return NULL;
}
if (sym) {
if (sym->secidx >= SHN_LORESERVE)
return sym->value;
-
return sym->value + f->sections[sym->secidx]->header.sh_addr;
- } else {
- /* As a special case, a NULL sym has value zero. */
- return 0;
}
+ /* As a special case, a NULL sym has value zero. */
+ return 0;
}
static struct obj_section *obj_find_section(struct obj_file *f, const char *name)
for (i = 0; i < n; ++i)
if (strcmp(f->sections[i]->name, name) == 0)
return f->sections[i];
-
return NULL;
}
af = a->header.sh_flags;
ac = 0;
- if (a->name[0] != '.' || strlen(a->name) != 10 ||
- strcmp(a->name + 5, ".init"))
+ if (a->name[0] != '.' || strlen(a->name) != 10
+ || strcmp(a->name + 5, ".init") != 0
+ ) {
ac |= 32;
+ }
if (af & SHF_ALLOC)
ac |= 16;
if (!(af & SHF_WRITE))
sec->name = name;
sec->idx = newidx;
if (size)
- sec->contents = xmalloc(size);
+ sec->contents = xzalloc(size);
obj_insert_section_load_order(f, sec);
int newidx = f->header.e_shnum++;
struct obj_section *sec;
- f->sections = xrealloc(f->sections, (newidx + 1) * sizeof(sec));
+ f->sections = xrealloc_vector(f->sections, 2, newidx);
f->sections[newidx] = sec = arch_new_section();
sec->header.sh_type = SHT_PROGBITS;
sec->name = name;
sec->idx = newidx;
if (size)
- sec->contents = xmalloc(size);
+ sec->contents = xzalloc(size);
sec->load_next = f->load_order;
f->load_order = sec;
/* Collect the modules' symbols. */
if (nmod) {
- ext_modules = modules = xmalloc(nmod * sizeof(*modules));
- memset(modules, 0, nmod * sizeof(*modules));
+ ext_modules = modules = xzalloc(nmod * sizeof(*modules));
for (i = 0, mn = module_names, m = modules;
i < nmod; ++i, ++m, mn += strlen(mn) + 1) {
struct new_module_info info;
}
-static void new_create_this_module(struct obj_file *f, const char *m_name)
+static void new_create_this_module(struct obj_file *f, const char *m_name)
{
struct obj_section *sec;
sec = obj_create_alloced_section_first(f, ".this", tgt_sizeof_long,
sizeof(struct new_module));
- memset(sec->contents, 0, sizeof(struct new_module));
+ /* done by obj_create_alloced_section_first: */
+ /*memset(sec->contents, 0, sizeof(struct new_module));*/
obj_add_symbol(f, SPFX "__this_module", -1,
ELF_ST_INFO(STB_LOCAL, STT_OBJECT), sec->idx, 0,
/* We don't want to export symbols residing in sections that
aren't loaded. There are a number of these created so that
we make sure certain module options don't appear twice. */
-
- loaded = alloca(sizeof(int) * (i = f->header.e_shnum));
+ i = f->header.e_shnum;
+ loaded = alloca(sizeof(int) * i);
while (--i >= 0)
loaded[i] = (f->sections[i]->header.sh_flags & SHF_ALLOC) != 0;
for (nsyms = i = 0; i < HASH_BUCKETS; ++i) {
struct obj_symbol *sym;
- for (sym = f->symtab[i]; sym; sym = sym->next)
+ for (sym = f->symtab[i]; sym; sym = sym->next) {
if (ELF_ST_BIND(sym->info) != STB_LOCAL
&& sym->secidx <= SHN_HIRESERVE
&& (sym->secidx >= SHN_LORESERVE
- || loaded[sym->secidx])) {
+ || loaded[sym->secidx])
+ ) {
ElfW(Addr) ofs = nsyms * 2 * tgt_sizeof_void_p;
obj_symbol_patch(f, sec->idx, ofs, sym);
nsyms++;
}
+ }
}
obj_extend_section(sec, nsyms * 2 * tgt_sizeof_char_p);
}
sec = obj_find_section(f, ".data.init");
if (sec) {
- if (!module->runsize ||
- module->runsize > sec->header.sh_addr - m_addr)
+ if (!module->runsize
+ || module->runsize > sec->header.sh_addr - m_addr
+ ) {
module->runsize = sec->header.sh_addr - m_addr;
+ }
}
sec = obj_find_section(f, ARCHDATA_SEC_NAME);
if (sec && sec->header.sh_size) {
if (i == f->header.e_shnum) {
struct obj_section *sec;
+ f->header.e_shnum++;
f->sections = xrealloc_vector(f->sections, 2, i);
f->sections[i] = sec = arch_new_section();
- f->header.e_shnum = i + 1;
sec->header.sh_type = SHT_PROGBITS;
sec->header.sh_flags = SHF_WRITE | SHF_ALLOC;
for (i = 0; i < f->header.e_shnum; ++i) {
struct obj_section *s = f->sections[i];
if (s->header.sh_type == SHT_NOBITS) {
+ s->contents = NULL;
if (s->header.sh_size != 0)
- s->contents = memset(xmalloc(s->header.sh_size),
- 0, s->header.sh_size);
- else
- s->contents = NULL;
-
+ s->contents = xzalloc(s->header.sh_size),
s->header.sh_type = SHT_PROGBITS;
}
}
#if SHT_RELM == SHT_RELA
#if defined(__alpha__) && defined(AXP_BROKEN_GAS)
/* Work around a nasty GAS bug, that is fixed as of 2.7.0.9. */
- if (!extsym || !extsym->st_name ||
- ELF_ST_BIND(extsym->st_info) != STB_LOCAL)
+ if (!extsym || !extsym->st_name
+ || ELF_ST_BIND(extsym->st_info) != STB_LOCAL)
#endif
value += rel->r_addend;
#endif
}
if (f->header.e_ident[EI_MAG0] != ELFMAG0
- || f->header.e_ident[EI_MAG1] != ELFMAG1
- || f->header.e_ident[EI_MAG2] != ELFMAG2
- || f->header.e_ident[EI_MAG3] != ELFMAG3) {
+ || f->header.e_ident[EI_MAG1] != ELFMAG1
+ || f->header.e_ident[EI_MAG2] != ELFMAG2
+ || f->header.e_ident[EI_MAG3] != ELFMAG3
+ ) {
bb_error_msg_and_die("not an ELF file");
}
if (f->header.e_ident[EI_CLASS] != ELFCLASSM
- || f->header.e_ident[EI_DATA] != (BB_BIG_ENDIAN
- ? ELFDATA2MSB : ELFDATA2LSB)
- || f->header.e_ident[EI_VERSION] != EV_CURRENT
- || !MATCH_MACHINE(f->header.e_machine)) {
+ || f->header.e_ident[EI_DATA] != (BB_BIG_ENDIAN ? ELFDATA2MSB : ELFDATA2LSB)
+ || f->header.e_ident[EI_VERSION] != EV_CURRENT
+ || !MATCH_MACHINE(f->header.e_machine)
+ ) {
bb_error_msg_and_die("ELF file not for this architecture");
}
if (f->header.e_type != ET_REL) {
}
shnum = f->header.e_shnum;
- f->sections = xmalloc(sizeof(struct obj_section *) * shnum);
- memset(f->sections, 0, sizeof(struct obj_section *) * shnum);
+ /* Growth of ->sections vector will be done by
+ * xrealloc_vector(..., 2, ...), therefore we must allocate
+ * at least 2^2 = 4 extra elements here. */
+ f->sections = xzalloc(sizeof(f->sections[0]) * (shnum + 4));
section_headers = alloca(sizeof(ElfW(Shdr)) * shnum);
fseek(fp, f->header.e_shoff, SEEK_SET);
case SHT_SYMTAB:
case SHT_STRTAB:
case SHT_RELM:
+ sec->contents = NULL;
if (sec->header.sh_size > 0) {
- sec->contents = xmalloc(sec->header.sh_size);
+ sec->contents = xzalloc(sec->header.sh_size);
fseek(fp, sec->header.sh_offset, SEEK_SET);
if (fread(sec->contents, sec->header.sh_size, 1, fp) != 1) {
bb_perror_msg_and_die("error reading ELF section data");
}
- } else {
- sec->contents = NULL;
}
break;
for (nsyms = i = 0; i < HASH_BUCKETS; ++i)
for (sym = f->symtab[i]; sym; sym = sym->next)
if (sym->secidx <= SHN_HIRESERVE
- && (sym->secidx >= SHN_LORESERVE || loaded[sym->secidx]))
+ && (sym->secidx >= SHN_LORESERVE || loaded[sym->secidx])
+ ) {
++nsyms;
+ }
all = alloca(nsyms * sizeof(struct obj_symbol *));
for (i = 0, p = all; i < HASH_BUCKETS; ++i)
for (sym = f->symtab[i]; sym; sym = sym->next)
if (sym->secidx <= SHN_HIRESERVE
- && (sym->secidx >= SHN_LORESERVE || loaded[sym->secidx]))
+ && (sym->secidx >= SHN_LORESERVE || loaded[sym->secidx])
+ ) {
*p++ = sym;
+ }
/* And list them. */
printf("\nSymbols:\n");
}
#else
len = MAXINT(ssize_t);
- map = xmalloc_open_read_close(filename, &len);
+ map = xmalloc_xopen_read_close(filename, &len);
#endif
if (init_module(map, len, options) != 0)
if (opt & OPT_o)
client_config.no_default_options = 1;
while (list_O) {
- int n = index_in_strings(dhcp_option_strings, llist_pop(&list_O));
+ char *optstr = llist_pop(&list_O);
+ int n = index_in_strings(dhcp_option_strings, optstr);
if (n < 0)
- bb_error_msg_and_die("unknown option '%s'", list_O->data);
+ bb_error_msg_and_die("unknown option '%s'", optstr);
n = dhcp_options[n].code;
client_config.opt_mask[n >> 3] |= 1 << (n & 7);
}
int iterations;
unsigned lines, col;
unsigned interval;
- char *sinterval;
+ char *str_interval, *str_iterations;
SKIP_FEATURE_TOPMEM(const) unsigned scan_mask = TOP_MASK;
#if ENABLE_FEATURE_USE_TERMIOS
struct termios new_settings;
iterations = 0; /* infinite */
/* all args are options; -n NUM */
- opt_complementary = "-:n+";
- if (getopt32(argv, "d:n:b", &sinterval, &iterations) & OPT_d) {
+ opt_complementary = "-";
+ col = getopt32(argv, "d:n:b", &str_interval, &str_iterations);
+ if (col & OPT_d) {
+ /* work around for "-d 1" -> "-d -1" done by getopt32 */
+ if (str_interval[0] == '-')
+ str_interval++;
/* Need to limit it to not overflow poll timeout */
- interval = xatou16(sinterval); // -d
+ interval = xatou16(str_interval);
+ }
+ if (col & OPT_n) {
+ if (str_iterations[0] == '-')
+ str_iterations++;
+ iterations = xatou(str_iterations);
}
/* change to /proc */
projects / oweals / busybox.git / commitdiff