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27 lines
671 B
C
27 lines
671 B
C
#include "fmt.h"
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#include "textcode.h"
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#include "haveinline.h"
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#include "str.h"
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size_t fmt_ldapescape(char* dest,const char* src,size_t len) {
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register const unsigned char* s=(const unsigned char*) src;
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size_t written=0,i;
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for (i=0; i<len; ++i) {
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if (s[i]=='*' || s[i]=='(' || s[i]==')' || s[i]==0 ||
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s[i]=='\\' || 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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/* in case someone gives us malicious input */
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if (written>((size_t)-1)/2) return (size_t)-1;
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}
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return written;
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}
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