49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#include "base.h"
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// returns length of char buffer (without \0)
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uint32 cptr_length(char* str){
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uint32 len=0;
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while(*(str++)) len++;
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return len;
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}
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// allocates new char[] and copies src there
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char* cptr_copy(char* src){
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uint32 len=cptr_length(src)+1;
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char* dst=malloc(len);
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while(len--!=0)
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dst[len]=src[len];
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return dst;
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}
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// compares two char buffers, NullPtr-friendly
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bool cptr_compare(char* key0, char* key1){
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if(!key0) return key1 ? false : true;
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if(!key1) return false;
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while(*key0&&*key1)
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if(*key0++ != *key1++)
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return false;
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return true;
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}
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// multiplies char n times
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char* char_multiply(char c, uint32 n){
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char* rez=malloc(n+1);
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rez[n]=0;
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while(n--!=0)
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rez[n]=c;
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return rez;
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}
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bool cptr_startsWith(char* ptr, char* fragment){
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for(char cs=*ptr, cf=*fragment; cf; cs=*++ptr, cf=*++fragment)
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if(cs!=cf) return false;
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return true;
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}
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bool cptr_endsWith(char* ptr, char* fragment){
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ptr+=cptr_length(ptr)-cptr_length(fragment);
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for(char cs=*ptr, cf=*fragment; cf; cs=*++ptr, cf=*++fragment)
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if(cs!=cf) return false;
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return true;
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} |