From 579048eaf89784ec1da8592d96311fafd49aea1a Mon Sep 17 00:00:00 2001 From: sijanec Date: Thu, 1 Apr 2021 23:30:37 +0200 Subject: initial commit --- src/url.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/url.c (limited to 'src/url.c') diff --git a/src/url.c b/src/url.c new file mode 100644 index 0000000..a3a29e7 --- /dev/null +++ b/src/url.c @@ -0,0 +1,30 @@ +int urlencode (char * o, char * i /* o must have at least strlen(i)*3+1 bytes of memory allocated */) { + size_t written = 0; + for (; *i; i++) { + if (isalnum(*i) || *i == '.' || *i == '_' || *i == '-' || *i == '~') { + o[written++] = *i; + } else { + sprintf(o+written, "%%%02X", *i); + written += 3; + } + } + return 1; +} +int urldecode (char * o, char * i /* o must have at least strlen(i)+1 bytes memory allocated */) { + size_t written = 0; + char buf[] = "00"; + for (; *i; i++) { + if (*i == '%') { + buf[0] = *++i; + buf[1] = *++i; + if (!buf[0] || !buf[1]) { /* malformed */ + o[written++] = '\0'; + return 0; + } + o[written++] = strtol(buf, NULL, 16); + } else { + o[written++] = *i; + } + } + return 1; +} -- cgit v1.2.3