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31 lines
715 B
C
31 lines
715 B
C
#include "fmt.h"
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#include "textcode.h"
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#include "str.h"
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#include "haveinline.h"
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static inline int issafe(unsigned char c) {
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const char safe[] = "$/.=~";
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return ((c>='A' && c<='Z') ||
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(c>='a' && c<='z') ||
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(c>='0' && c<='9') ||
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safe[str_chr(safe,c)]);
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}
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unsigned long fmt_urlencoded(char* dest,const char* src,unsigned long len) {
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register const unsigned char* s=(const unsigned char*) src;
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unsigned long written=0,i;
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for (i=0; i<len; ++i) {
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if (!issafe(s[i])) {
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if (dest) {
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dest[written]='%';
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dest[written+1]=fmt_tohex(s[i]>>4);
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dest[written+2]=fmt_tohex(s[i]&15);
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}
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written+=3;
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} else {
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if (dest) dest[written]=s[i]; ++written;
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}
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}
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return written;
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}
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