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awk: g_buf[] does not need a separate allocation

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function                                             old     new   delta
exec_builtin                                        1400    1414     +14
evaluate                                            3132    3141      +9
getvar_s                                             121     125      +4
awk_main                                             902     886     -16
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/1 up/down: 27/-16)             Total: 11 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2021-06-29 02:43:02 +02:00
parent 926420795b
commit cb6061a4e9
1 changed files with 3 additions and 5 deletions
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8
editors/awk.c
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@ -535,7 +535,6 @@ struct globals {
var *Fields;
nvblock *g_cb;
char *g_pos;
char *g_buf;
smallint icase;
smallint exiting;
smallint nextrec;
@ -571,6 +570,8 @@ struct globals2 {
/* biggest and least used members go last */
tsplitter fsplitter, rsplitter;
char g_buf[MAXVARFMT + 1];
};
#define G1 (ptr_to_globals[-1])
#define G (*(struct globals2 *)ptr_to_globals)
@ -598,7 +599,6 @@ struct globals2 {
#define Fields (G1.Fields )
#define g_cb (G1.g_cb )
#define g_pos (G1.g_pos )
#define g_buf (G1.g_buf )
#define icase (G1.icase )
#define exiting (G1.exiting )
#define nextrec (G1.nextrec )
@ -612,6 +612,7 @@ struct globals2 {
#define intvar (G.intvar )
#define fsplitter (G.fsplitter )
#define rsplitter (G.rsplitter )
#define g_buf (G.g_buf )
#define INIT_G() do { \
SET_PTR_TO_GLOBALS((char*)xzalloc(sizeof(G1)+sizeof(G)) + sizeof(G1)); \
t_tclass = TS_OPTERM; \
@ -3353,9 +3354,6 @@ int awk_main(int argc UNUSED_PARAM, char **argv)
if (ENABLE_LOCALE_SUPPORT)
setlocale(LC_NUMERIC, "C");
/* allocate global buffer */
g_buf = xmalloc(MAXVARFMT + 1);
vhash = hash_init();
ahash = hash_init();
fdhash = hash_init();