diff options
Diffstat (limited to 'shell/ash.c')
| -rw-r--r-- | shell/ash.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/shell/ash.c b/shell/ash.c index 273ecab..70425b3 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -1982,10 +1982,6 @@ extern struct globals_var *const ash_ptr_to_globals_var; # define optindval() (voptind.var_text + 7) #endif - -#define is_name(c) ((c) == '_' || isalpha((unsigned char)(c))) -#define is_in_name(c) ((c) == '_' || isalnum((unsigned char)(c))) - #if ENABLE_ASH_GETOPTS static void FAST_FUNC getoptsreset(const char *value) @@ -1995,24 +1991,26 @@ getoptsreset(const char *value) } #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 of a legal variable name (a letter or underscore followed by zero or - * more letters, underscores, and digits). + * 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 char* FAST_FUNC +static const char* endofname(const char *name) { - char *p; - - p = (char *) name; - if (!is_name(*p)) - return p; - while (*++p) { - if (!is_in_name(*p)) + if (!is_name(*name)) + return name; + while (*++name) { + if (!is_in_name(*name)) break; } - return p; + return name; } +#endif /* * Compares two strings up to the first = or '\0'. The first @@ -2195,9 +2193,10 @@ setvareq(char *s, int flags) static void setvar(const char *name, const char *val, int flags) { - char *p, *q; - size_t namelen; + const char *q; + char *p; char *nameeq; + size_t namelen; size_t vallen; q = endofname(name); @@ -2211,12 +2210,13 @@ setvar(const char *name, const char *val, int flags) } else { vallen = strlen(val); } + INT_OFF; nameeq = ckmalloc(namelen + vallen + 2); - p = (char *)memcpy(nameeq, name, namelen) + namelen; + p = memcpy(nameeq, name, namelen) + namelen; if (val) { *p++ = '='; - p = (char *)memcpy(p, val, vallen) + vallen; + p = memcpy(p, val, vallen) + vallen; } *p = '\0'; setvareq(nameeq, flags | VNOSAVE); @@ -5444,7 +5444,7 @@ ash_arith(const char *s) math_hooks.lookupvar = lookupvar; math_hooks.setvar = setvar2; - math_hooks.endofname = endofname; + //math_hooks.endofname = endofname; INT_OFF; result = arith(s, &errcode, &math_hooks); @@ -9405,7 +9405,7 @@ evalbltin(const struct builtincmd *cmd, int argc, char **argv) static int goodname(const char *p) { - return !*endofname(p); + return endofname(p)[0] == '\0'; } |