Timerix/TCPU
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

str_seek

Browse Source
This commit is contained in:
Timerix
2025-02-02 17:59:30 +05:00
parent 2831474f79
commit 9e9b43afb4
4 changed files with 88 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
src/cstr.c
View File

@@ -50,71 +50,3 @@ char* NULLABLE(vsprintf_malloc)(size_t buffer_size, cstr format, va_list argv){
}
return buf;
}
i32 cstr_seek(const char* src, const char* fragment, u32 startIndex, u32 seekLength){
char sc = *src, fc = *fragment;
if(sc == 0 || fc == 0)
return -1;
u32 fr_start = startIndex;
for(u32 si = startIndex; si-startIndex < seekLength && sc != 0; si++){
sc = src[si];
fc = fragment[si-fr_start];
if(fc == 0)
return fr_start;
if(sc != fc)
fr_start++;
}
return -1;
}
i32 cstr_seekReverse(const char* src, const char* fragment, u32 startIndex, u32 seekLength){
char sc = *src, fc = *fragment;
if(sc == 0 || fc == 0)
return -1;
i32 len = strlen(src);
if(startIndex == (u32)-1)
startIndex = len-1;
u32 fr_len = strlen(fragment);
for(u32 si = startIndex; si < (u32)-1 && si != (len - seekLength - 1); si--){
if(si + 1 < fr_len)
return -1;
sc = src[si];
fc = fragment[0];
u32 fr_start = si;
for(u32 fi = 0; fc == sc ; fi++){
if(fi == fr_len)
return fr_start;
fc = fragment[fi];
sc = src[si--];
}
}
return -1;
}
i32 cstr_seekChar(const char* src, char fragment, u32 startIndex, u32 seekLength){
char sc=*src;
if(sc==0 || fragment==0)
return -1;
for(u32 si=startIndex; si-startIndex<seekLength && sc!=0; si++){
sc=src[si];
if(sc==fragment)
return si;
}
return -1;
}
i32 cstr_seekCharReverse(const char* src, char fragment, u32 startIndex, u32 seekLength){
char sc=*src;
if(sc==0 || fragment==0)
return -1;
i32 len=strlen(src);
if(startIndex==(u32)-1)
startIndex=len-1;
for(u32 si=startIndex; si<(u32)-1 && si!=len-1-seekLength; si--){
sc=src[si];
if(sc==fragment)
return si;
}
return -1;
}