Replace index_in_[sub]str_array with index_in_[sub]strings,

which scans thru "abc\0def\0123\0\0" type strings. Saves 250 bytes.

   text    data     bss     dec     hex filename
 781266    1328   11844  794438   c1f46 busybox_old
 781010    1328   11844  794182   c1e46 busybox_unstripped
This commit is contained in:
Denis Vlasenko
2007-07-24 15:54:42 +00:00
parent bcb66ec22e
commit 990d0f63ee
43 changed files with 352 additions and 340 deletions

View File

@@ -51,11 +51,10 @@ static unsigned int expand(const char *arg, char *buffer)
char *buffer_start = buffer;
unsigned i; /* XXX: FIXME: use unsigned char? */
unsigned char ac;
#define CLO ":]"
static const char * const classes[] = {
"alpha"CLO, "alnum"CLO, "digit"CLO, "lower"CLO, "upper"CLO, "space"CLO,
"blank"CLO, "punct"CLO, "cntrl"CLO, NULL
};
#define CLO ":]\0"
static const char classes[] =
"alpha"CLO "alnum"CLO "digit"CLO "lower"CLO "upper"CLO "space"CLO
"blank"CLO "punct"CLO "cntrl"CLO;
#define CLASS_invalid 0 /* we increment the retval */
#define CLASS_alpha 1
#define CLASS_alnum 2
@@ -90,7 +89,7 @@ static unsigned int expand(const char *arg, char *buffer)
smalluint j;
{ /* not really pretty.. */
char *tmp = xstrndup(arg, 7); // warning: xdigit needs 8, not 7
j = index_in_str_array(classes, tmp) + 1;
j = index_in_strings(classes, tmp) + 1;
free(tmp);
}
if (j == CLASS_alnum || j == CLASS_digit) {