.\" generated by cd2nroff 0.1 from curl_escape.md
.TH curl_escape 3 "2024-11-18" libcurl
.SH NAME
curl_escape \- URL encode a string
.SH SYNOPSIS
.nf
#include <curl/curl.h>

char *curl_escape(const char *string, int length);
.fi
.SH DESCRIPTION
Obsolete function. Use \fIcurl_easy_escape(3)\fP instead!

This function converts the given input \fBstring\fP to a URL encoded string
and return that as a new allocated string. All input characters that are not
a\-z, A\-Z or 0\-9 are converted to their "URL escaped" version (\fB%NN\fP where
\fBNN\fP is a two\-digit hexadecimal number).

If the \fBlength\fP argument is set to 0, \fIcurl_escape(3)\fP uses strlen()
on \fBstring\fP to find out the size.

You must \fIcurl_free(3)\fP the returned string when you are done with it.
.SH PROTOCOLS
This functionality affects all supported protocols
.SH EXAMPLE
.nf
int main(void)
{
  char *output = curl_escape("data to convert", 15);
  if(output) {
    printf("Encoded: %s\\n", output);
    curl_free(output);
  }
}
.fi
.SH HISTORY
Since 7.15.4, \fIcurl_easy_escape(3)\fP should be used. This function might be
removed in a future release.
.SH AVAILABILITY
Added in curl 7.1
.SH RETURN VALUE
A pointer to a null\-terminated string or NULL if it failed.
.SH SEE ALSO
.BR curl_free (3),
.BR curl_unescape (3)