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27 lines
678 B
C
27 lines
678 B
C
#include "fmt.h"
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#include "stralloc.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 tohex(char c) {
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return c>9?c-10+'A':c+'0';
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}
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int fmt_urlencoded_sa(stralloc *sa,const char* src,unsigned int len) {
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const char unsafe[]=" %<>\"#{}|\\^~[]`;/?:@=&";
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register const unsigned char* s=(const unsigned char*) src;
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unsigned long i;
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for (i=0; i<len; ++i) {
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if (s[i]&0x80 || unsafe[str_chr(unsafe,s[i])]==s[i]) {
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char dest[3] = {'%'};
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dest[1]=tohex(s[i]>>4);
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dest[2]=tohex(s[i]&15);
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if (!stralloc_catb(sa, dest, 3)) return 0;
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} else {
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if (!stralloc_catb(sa, s+i, 1)) return 0;
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}
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}
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return 1;
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}
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