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hush: trivial code shrink

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function                                             old     new   delta
static_get                                            26      22      -4

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-05-22 17:50:43 +02:00
parent 2e48d536ce
commit 8391c4800c
1 changed files with 21 additions and 20 deletions
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41
shell/hush.c
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@ -814,10 +814,10 @@ static void xxfree(void *ptr)
fdprintf(2, "free %p\n", ptr);
free(ptr);
}
#define xmalloc(s) xxmalloc(__LINE__, s)
#define xrealloc(p, s) xxrealloc(__LINE__, p, s)
#define xstrdup(s) xxstrdup(__LINE__, s)
#define free(p) xxfree(p)
# define xmalloc(s) xxmalloc(__LINE__, s)
# define xrealloc(p, s) xxrealloc(__LINE__, p, s)
# define xstrdup(s) xxstrdup(__LINE__, s)
# define free(p) xxfree(p)
#endif
@ -1161,9 +1161,9 @@ static void SIGCHLD_handler(int sig UNUSED_PARAM)
#if ENABLE_HUSH_JOB
/* After [v]fork, in child: do not restore tty pgrp on xfunc death */
#define disable_restore_tty_pgrp_on_exit() (die_sleep = 0)
# define disable_restore_tty_pgrp_on_exit() (die_sleep = 0)
/* After [v]fork, in parent: restore tty pgrp on xfunc death */
#define enable_restore_tty_pgrp_on_exit() (die_sleep = -1)
# define enable_restore_tty_pgrp_on_exit() (die_sleep = -1)
/* Restores tty foreground process group, and exits.
* May be called as signal handler for fatal signal
@ -1189,8 +1189,8 @@ static void sigexit(int sig)
}
#else
#define disable_restore_tty_pgrp_on_exit() ((void)0)
#define enable_restore_tty_pgrp_on_exit() ((void)0)
# define disable_restore_tty_pgrp_on_exit() ((void)0)
# define enable_restore_tty_pgrp_on_exit() ((void)0)
#endif
@ -1522,8 +1522,8 @@ static void unset_vars(char **strings)
}
#if ENABLE_SH_MATH_SUPPORT
#define is_name(c) ((c) == '_' || isalpha((unsigned char)(c)))
#define is_in_name(c) ((c) == '_' || isalnum((unsigned char)(c)))
# define is_name(c) ((c) == '_' || isalpha((unsigned char)(c)))
# define is_in_name(c) ((c) == '_' || isalnum((unsigned char)(c)))
static char* FAST_FUNC endofname(const char *name)
{
char *p;
@ -1607,10 +1607,11 @@ static struct variable *set_vars_and_save_old(char **strings)
*/
static int FAST_FUNC static_get(struct in_str *i)
{
int ch = *i->p++;
if (ch != '\0')
int ch = *i->p;
if (ch != '\0') {
i->p++;
return ch;
i->p--;
}
return EOF;
}
@ -1662,7 +1663,7 @@ static void get_user_input(struct in_str *i)
const char *prompt_str;
prompt_str = setup_prompt_string(i->promptmode);
#if ENABLE_FEATURE_EDITING
# if ENABLE_FEATURE_EDITING
/* Enable command line editing only while a command line
* is actually being read */
do {
@ -1678,7 +1679,7 @@ static void get_user_input(struct in_str *i)
G.user_input_buf[0] = EOF; /* yes, it will be truncated, it's ok */
G.user_input_buf[1] = '\0';
}
#else
# else
do {
G.flag_SIGINT = 0;
fputs(prompt_str, stdout);
@ -1688,7 +1689,7 @@ static void get_user_input(struct in_str *i)
//do we need check_and_run_traps(0)? (maybe only if stdin)
} while (G.flag_SIGINT);
i->eof_flag = (r == EOF);
#endif
# endif
i->p = G.user_input_buf;
}
@ -2221,7 +2222,7 @@ static int o_glob(o_string *o, int n)
return n;
}
#else
#else /* !HUSH_BRACE_EXP */
/* Helper */
static int glob_needed(const char *s)
@ -2298,7 +2299,7 @@ static int o_glob(o_string *o, int n)
return n;
}
#endif
#endif /* !HUSH_BRACE_EXP */
/* If o->o_glob == 1, glob the string so far remembered.
* Otherwise, just finish current list[] and start new */
@ -3033,7 +3034,7 @@ static void re_execute_shell(char ***to_free, const char *s,
char *g_argv0, char **g_argv,
char **builtin_argv)
{
#define NOMMU_HACK_FMT ("-$%x:%x:%x:%x:%x:%llx" IF_HUSH_LOOPS(":%x"))
# define NOMMU_HACK_FMT ("-$%x:%x:%x:%x:%x:%llx" IF_HUSH_LOOPS(":%x"))
/* delims + 2 * (number of bytes in printed hex numbers) */
char param_buf[sizeof(NOMMU_HACK_FMT) + 2 * (sizeof(int)*6 + sizeof(long long)*1)];
char *heredoc_argv[4];
@ -3078,7 +3079,7 @@ static void re_execute_shell(char ***to_free, const char *s,
, empty_trap_mask
IF_HUSH_LOOPS(, G.depth_of_loop)
);
#undef NOMMU_HACK_FMT
# undef NOMMU_HACK_FMT
/* 1:hush 2:-$<pid>:<pid>:<exitcode>:<etc...> <vars...> <funcs...>
* 3:-c 4:<cmd> 5:<arg0> <argN...> 6:NULL
*/