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Jim Drash suggested and I made it not encode what looks like an already

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encoded letter (in curl_escape)
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Daniel Stenberg 2001-03-22 18:06:08 +00:00
parent 546572da04
commit 58085dbbf6
1 changed files with 22 additions and 7 deletions
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29
lib/escape.c
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@ -25,6 +25,7 @@
* allocated string or NULL if an error occurred. */ * allocated string or NULL if an error occurred. */
#include "setup.h" #include "setup.h"
#include <ctype.h>
#include <curl/curl.h> #include <curl/curl.h>
#include <stdio.h> #include <stdio.h>
@ -52,14 +53,28 @@ char *curl_escape(char *string, int length)
!(in >= 'A' && in <= 'Z') && !(in >= 'A' && in <= 'Z') &&
!(in >= '0' && in <= '9')) { !(in >= '0' && in <= '9')) {
/* encode it */ /* encode it */
newlen += 2; /* the size grows with two, since this'll become a %XX */ if(('%' == in) &&
if(newlen > alloc) { (length>=2) &&
alloc *= 2; isxdigit((int)string[1]) &&
ns = realloc(ns, alloc); isxdigit((int)string[2]) ) {
if(!ns) /*
return NULL; * This is an already encoded letter, leave it!
*/
memcpy(&ns[index], string, 3);
string+=2;
}
else {
/* encode this now */
newlen += 2; /* the size grows with two, since this'll become a %XX */
if(newlen > alloc) {
alloc *= 2;
ns = realloc(ns, alloc);
if(!ns)
return NULL;
}
sprintf(&ns[index], "%%%02X", in);
} }
sprintf(&ns[index], "%%%02X", in);
index+=3; index+=3;
} }
else { else {