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* util.c (reverse_string): Speed up.

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This commit is contained in:
Andrew V. Samoilov 2002-08-14 16:33:50 +00:00
parent 36f199cc10
commit 4c25b24536
1 changed files with 8 additions and 9 deletions
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17
src/util.c
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@ -879,7 +879,7 @@ int get_compression_type (int fd)
return 0;
}
char *
const char *
decompress_extension (int type)
{
switch (type){
@ -1000,22 +1000,21 @@ char *convert_controls (char *s)
*q++ = *p++;
}
}
*q++ = 0;
*q = 0;
return valcopy;
}
/* Reverse the string */
char *reverse_string (char *string)
{
int len = strlen (string);
int i;
const int steps = len/2;
char *str_beg = string;
char *str_end = string + strlen (string);
for (i = 0; i < steps; i++){
char c = string [i];
while (--str_end > str_beg){
char c = *str_end;
string [i] = string [len-i-1];
string [len-i-1] = c;
*str_end = *str_beg;
*str_beg++ = c;
}
return string;
}