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veejay
2023-09-19 00:03:46 +02:00
parent 068e865c22
commit c6898e9d0a
1 changed files with 0 additions and 72 deletions
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72
veejay-current/veejay-core/libvjmem/memcpy.c
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@@ -2816,78 +2816,6 @@ char *vj_strndup( const char *s, size_t n )
// https://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion
// fast int to string function by user434507
// modified to append a space at the end instead of null-terminator
char *vj_sprintf(char* c, int n) {
int sign = -(n<0);
unsigned int val = (n^sign)-sign;
int size;
if(val>=10000) {
if(val>=10000000) {
if(val>=1000000000) {
size=10;
}
else if(val>=100000000) {
size=9;
}
else size=8;
}
else {
if(val>=1000000) {
size=7;
}
else if(val>=100000) {
size=6;
}
else size=5;
}
}
else {
if(val>=100) {
if(val>=1000) {
size=4;
}
else size=3;
}
else {
if(val>=10) {
size=2;
}
else if(n==0) {
c[0]='0';
c[1] = ' ';
return c + 2;
}
else size=1;
}
}
size -= sign;
if(sign)
*c='-';
c += size-1;
while(val>=100) {
int pos = val % 100;
val /= 100;
*(short*)(c-1)=*(short*)(digit_pairs+2*pos);
c-=2;
}
while(val>0) {
*c--='0' + (val % 10);
val /= 10;
}
if(sign) {
c[size] = ' ';
return c + size + 1;
}
else {
c[size + 1] = ' ';
}
return c + size + 2;
}// https://stackoverflow.com/questions/4351371/c-performance-challenge-integer-to-stdstring-conversion
// fast int to string function by user434507
// modified to append a space at the end instead of null-terminator
static const char digit_pairs[201] = {
"00010203040506070809"
"10111213141516171819"