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shell: unify endofname() in hush and ash

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function                                             old     new   delta
builtin_umask                                        132     133      +1
changepath                                           195     194      -1
expand_and_evaluate_arith                             77      69      -8
ash_arith                                            143     135      -8
expand_one_var                                      1551    1515     -36
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(add/remove: 0/0 grow/shrink: 1/4 up/down: 1/-53)             Total: -52 bytes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Denys Vlasenko
2010-09-07 12:19:33 +02:00
parent 27c56f1267
commit 8b2f13d84d
4 changed files with 42 additions and 43 deletions
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9
shell/math.h
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@ -87,14 +87,19 @@ typedef long arith_t;
#define strto_arith_t strtoul
#endif
/* ash's and hush's endofname is the same, so... */
# define is_name(c) ((c) == '_' || isalpha((unsigned char)(c)))
# define is_in_name(c) ((c) == '_' || isalnum((unsigned char)(c)))
const char* FAST_FUNC endofname(const char *name);
typedef const char* FAST_FUNC (*arith_var_lookup_t)(const char *name);
typedef void FAST_FUNC (*arith_var_set_t)(const char *name, const char *val);
typedef char* FAST_FUNC (*arith_var_endofname_t)(const char *name);
//typedef const char* FAST_FUNC (*arith_var_endofname_t)(const char *name);
typedef struct arith_eval_hooks {
arith_var_lookup_t lookupvar;
arith_var_set_t setvar;
arith_var_endofname_t endofname;
// arith_var_endofname_t endofname;
} arith_eval_hooks_t;
arith_t arith(const char *expr, int *perrcode, arith_eval_hooks_t*);