move endofname() to libbb

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2013-02-26 00:36:53 +01:00
parent 3305c008ed
commit 1961aea305
5 changed files with 30 additions and 38 deletions

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@ -386,6 +386,7 @@ char *bb_get_last_path_component_nostrip(const char *path) FAST_FUNC;
const char *bb_basename(const char *name) FAST_FUNC; const char *bb_basename(const char *name) FAST_FUNC;
/* NB: can violate const-ness (similarly to strchr) */ /* NB: can violate const-ness (similarly to strchr) */
char *last_char_is(const char *s, int c) FAST_FUNC; char *last_char_is(const char *s, int c) FAST_FUNC;
const char* endofname(const char *name) FAST_FUNC;
void ndelay_on(int fd) FAST_FUNC; void ndelay_on(int fd) FAST_FUNC;
void ndelay_off(int fd) FAST_FUNC; void ndelay_off(int fd) FAST_FUNC;

26
libbb/endofname.c Normal file
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@ -0,0 +1,26 @@
/*
* Utility routines.
*
* Copyright (C) 2013 Denys Vlasenko
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
//kbuild:lib-y += endofname.o
#include "libbb.h"
#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)
{
if (!is_name(*name))
return name;
while (*++name) {
if (!is_in_name(*name))
break;
}
return name;
}

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@ -385,6 +385,9 @@ static void trace_vprintf(const char *fmt, va_list va);
/* ============ Utility functions */ /* ============ Utility functions */
#define xbarrier() do { __asm__ __volatile__ ("": : :"memory"); } while (0) #define xbarrier() do { __asm__ __volatile__ ("": : :"memory"); } while (0)
#define is_name(c) ((c) == '_' || isalpha((unsigned char)(c)))
#define is_in_name(c) ((c) == '_' || isalnum((unsigned char)(c)))
static int isdigit_str9(const char *str) static int isdigit_str9(const char *str)
{ {
int maxlen = 9 + 1; /* max 9 digits: 999999999 */ int maxlen = 9 + 1; /* max 9 digits: 999999999 */
@ -2008,27 +2011,6 @@ getoptsreset(const char *value)
} }
#endif #endif
/* math.h has these, otherwise define our private copies */
#if !ENABLE_SH_MATH_SUPPORT
#define is_name(c) ((c) == '_' || isalpha((unsigned char)(c)))
#define is_in_name(c) ((c) == '_' || isalnum((unsigned char)(c)))
/*
* Return the pointer to the first char which is not part of a legal variable name
* (a letter or underscore followed by letters, underscores, and digits).
*/
static const char*
endofname(const char *name)
{
if (!is_name(*name))
return name;
while (*++name) {
if (!is_in_name(*name))
break;
}
return name;
}
#endif
/* /*
* Compares two strings up to the first = or '\0'. The first * Compares two strings up to the first = or '\0'. The first
* string must be terminated by '='; the second may be terminated by * string must be terminated by '='; the second may be terminated by

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@ -494,18 +494,6 @@ static const char op_tokens[] ALIGN1 = {
}; };
#define ptr_to_rparen (&op_tokens[sizeof(op_tokens)-7]) #define ptr_to_rparen (&op_tokens[sizeof(op_tokens)-7])
const char* FAST_FUNC
endofname(const char *name)
{
if (!is_name(*name))
return name;
while (*++name) {
if (!is_in_name(*name))
break;
}
return name;
}
static arith_t FAST_FUNC static arith_t FAST_FUNC
evaluate_string(arith_state_t *math_state, const char *expr) evaluate_string(arith_state_t *math_state, const char *expr)
{ {

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@ -73,11 +73,6 @@ typedef long arith_t;
#define strto_arith_t strtoul #define strto_arith_t strtoul
#endif #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 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 void FAST_FUNC (*arith_var_set_t)(const char *name, const char *val);
//typedef const char* FAST_FUNC (*arith_var_endofname_t)(const char *name); //typedef const char* FAST_FUNC (*arith_var_endofname_t)(const char *name);