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Something I've been itching to do for a while now. A minor optimization in app_voicemail. 

Since the dtable in base_encode always gets populated with the same values every time and never
changes, make it static and const and only initialize it once. Also, there's no reason to 
define BASEMAXINLINE twice, so remove the redundant #define.



git-svn-id: http://svn.digium.com/svn/asterisk/trunk@94593 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
mmichelson 2007-12-21 21:19:19 +00:00
parent 83a89cc17e
commit f5d88738f1
1 changed files with 4 additions and 18 deletions
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22
apps/app_voicemail.c
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@ -197,7 +197,6 @@ static AST_LIST_HEAD_STATIC(vmstates, vmstate);
#define MAXMSG 100
#define MAXMSGLIMIT 9999
#define BASEMAXINLINE 256
#define BASELINELEN 72
#define BASEMAXINLINE 256
#define eol "\r\n"
@ -1793,7 +1792,10 @@ static int ochar(struct baseio *bio, int c, FILE *so)
static int base_encode(char *filename, FILE *so)
{
unsigned char dtable[BASEMAXINLINE];
static const unsigned char dtable[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0',
'1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'};
int i,hiteof= 0;
FILE *fi;
struct baseio bio;
@ -1806,22 +1808,6 @@ static int base_encode(char *filename, FILE *so)
return -1;
}
for (i= 0; i<9; i++) {
dtable[i]= 'A'+i;
dtable[i+9]= 'J'+i;
dtable[26+i]= 'a'+i;
dtable[26+i+9]= 'j'+i;
}
for (i= 0; i<8; i++) {
dtable[i+18]= 'S'+i;
dtable[26+i+18]= 's'+i;
}
for (i= 0; i<10; i++) {
dtable[52+i]= '0'+i;
}
dtable[62]= '+';
dtable[63]= '/';
while (!hiteof){
unsigned char igroup[3], ogroup[4];
int c,n;