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changed str_clean_whitespace implementation to pkoerner's one

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(cherry picked from commit a9cc1e8de2)
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KillaBilla 2013-09-08 13:09:41 +02:00 committed by ChillerDragon
parent ba1abac52f
commit 75d076b3bc
1 changed files with 22 additions and 29 deletions
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47
src/base/system.c
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@ -2423,37 +2423,30 @@ void str_sanitize_filename(char *str_in)
/* removes leading and trailing spaces and limits the use of multiple spaces */
void str_clean_whitespaces(char *str_in)
{
int Len = strlen(str_in);
int FirstIndex;
int LastIndex;
int SpaceStart = -1;
int i;
char* r = str_in;
int c = 0;
// remove leading and trailing spaces
for(FirstIndex = 0; FirstIndex < Len; FirstIndex++)
if(str_in[FirstIndex] != ' ')
break;
while(*r == ' ')
++r;
for(LastIndex = Len - 1; LastIndex > FirstIndex; LastIndex--)
if(str_in[LastIndex] != ' ')
break;
str_copy(str_in, str_in + FirstIndex, LastIndex - FirstIndex + 2);
// remove multiple spaces
Len = strlen(str_in);
for(i = 0; i < Len; i++)
while(*str_in)
{
if(str_in[i] == ' ' && SpaceStart == -1)
SpaceStart = i;
else if(str_in[i] != ' ' && SpaceStart != -1)
for(; *r == ' '; ++r)
c = 1;
if(*r)
{
str_copy(str_in + SpaceStart + 1, str_in + i, Len - i + 1);
i = SpaceStart + 1;
SpaceStart = -1;
}
}
if(c)
{
*str_in++ = ' ';
c = 0;
}
*str_in++ = *r++;
}
else
*str_in = 0;
}
}
char *str_skip_to_whitespace(char *str)