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libbb: new function bb_die_memory_exhausted

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function                                             old     new   delta
bb_die_memory_exhausted                                -      10     +10
xstrdup                                               28      23      -5
xsetenv                                               27      22      -5
xrealloc                                              32      27      -5
xputenv                                               22      17      -5
xmalloc                                               30      25      -5
xfdopen_helper                                        40      35      -5
xasprintf                                             44      39      -5
wget_main                                           2387    2382      -5
open_socket                                           54      49      -5
glob_brace                                           419     414      -5
bb_get_chunk_from_file                               146     141      -5
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/11 up/down: 10/-55)           Total: -45 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2018-04-01 19:59:37 +02:00
parent e2afae6303
commit 899ae5337a
7 changed files with 32 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libbb/get_line_from_file.c
View File

@@ -20,7 +20,7 @@ char* FAST_FUNC bb_get_chunk_from_file(FILE *file, size_t *end)
/* grow the line buffer as necessary */
if (!(idx & 0xff)) {
if (idx == ((size_t)-1) - 0xff)
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
linebuf = xrealloc(linebuf, idx + 0x100);
}
linebuf[idx++] = (char) ch;

2
libbb/wfopen.c
View File

@@ -42,7 +42,7 @@ static FILE* xfdopen_helper(unsigned fd_and_rw_bit)
{
FILE* fp = fdopen(fd_and_rw_bit >> 1, fd_and_rw_bit & 1 ? "w" : "r");
if (!fp)
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
return fp;
}
FILE* FAST_FUNC xfdopen_for_read(int fd)

15
libbb/xfuncs_printf.c
View File

@@ -25,6 +25,11 @@
* fail, so callers never need to check for errors. If it returned, it
* succeeded. */
void FAST_FUNC bb_die_memory_exhausted(void)
{
bb_error_msg_and_die(bb_msg_memory_exhausted);
}
#ifndef DMALLOC
/* dmalloc provides variants of these that do abort() on failure.
* Since dmalloc's prototypes overwrite the impls here as they are
@@ -44,7 +49,7 @@ void* FAST_FUNC xmalloc(size_t size)
{
void *ptr = malloc(size);
if (ptr == NULL && size != 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
return ptr;
}
@@ -55,7 +60,7 @@ void* FAST_FUNC xrealloc(void *ptr, size_t size)
{
ptr = realloc(ptr, size);
if (ptr == NULL && size != 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
return ptr;
}
#endif /* DMALLOC */
@@ -79,7 +84,7 @@ char* FAST_FUNC xstrdup(const char *s)
t = strdup(s);
if (t == NULL)
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
return t;
}
@@ -327,14 +332,14 @@ char* FAST_FUNC xasprintf(const char *format, ...)
va_end(p);
if (r < 0)
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
return string_ptr;
}
void FAST_FUNC xsetenv(const char *key, const char *value)
{
if (setenv(key, value, 1))
bb_error_msg_and_die(bb_msg_memory_exhausted);
bb_die_memory_exhausted();
}
/* Handles "VAR=VAL" strings, even those which are part of environ