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libbb: introduce and use xrealloc_vector

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function                                             old     new   delta
xrealloc_vector_helper                                 -      51     +51
create_list                                           84      99     +15
getopt_main                                          690     695      +5
passwd_main                                         1049    1053      +4
get_cached                                            85      89      +4
msh_main                                            1377    1380      +3
add_match                                             42      41      -1
read_lines                                           720     718      -2
grave                                               1068    1066      -2
fill_match_lines                                     143     141      -2
add_to_dirlist                                        67      65      -2
add_input_file                                        49      47      -2
act                                                  252     250      -2
fsck_main                                           2252    2246      -6
man_main                                             765     757      -8
bb_internal_initgroups                               228     220      -8
cut_main                                            1052    1041     -11
add_edge_to_node                                      55      43     -12
dpkg_main                                           3851    3835     -16
ifupdown_main                                       2202    2178     -24
sort_main                                            838     812     -26
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 5/15 up/down: 82/-124)          Total: -42 bytes
This commit is contained in:
Denis Vlasenko 2008-07-08 05:14:36 +00:00
parent 493829207c
commit deeed59de0
29 changed files with 123 additions and 85 deletions
Download patch file Download diff file Expand all files Collapse all files

10
modutils/insmod.c
View file

@ -2201,7 +2201,7 @@ static struct obj_section *obj_create_alloced_section(struct obj_file *f,
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;
@ -2250,7 +2250,8 @@ static void *obj_extend_section(struct obj_section *sec, unsigned long more)
{
unsigned long oldsize = sec->header.sh_size;
if (more) {
sec->contents = xrealloc(sec->contents, sec->header.sh_size += more);
sec->header.sh_size += more;
sec->contents = xrealloc(sec->contents, sec->header.sh_size);
}
return sec->contents + oldsize;
}
@ -2736,7 +2737,8 @@ static void new_get_kernel_symbols(void)
retry_kern_sym_load:
if (query_module(NULL, QM_SYMBOLS, syms, bufsize, &ret)) {
if (errno == ENOSPC && bufsize < ret) {
syms = xrealloc(syms, bufsize = ret);
bufsize = ret;
syms = xrealloc(syms, bufsize);
goto retry_kern_sym_load;
}
bb_perror_msg_and_die("kernel: QM_SYMBOLS");
@ -3080,7 +3082,7 @@ static void obj_allocate_commons(struct obj_file *f)
if (i == f->header.e_shnum) {
struct obj_section *sec;
f->sections = xrealloc(f->sections, (i + 1) * sizeof(sec));
f->sections = xrealloc(f->sections, 2, i);
f->sections[i] = sec = arch_new_section();
f->header.e_shnum = i + 1;