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authordan <dan@FreeBSD.org>2000-07-01 15:55:49 +0000
committerdan <dan@FreeBSD.org>2000-07-01 15:55:49 +0000
commit4b9cb06856c3e02a9d1f5b363f3240c2b55fb2a3 (patch)
treed4df74c657f56d379a1f991fbea89c018f213ed1 /lib/libc/gen/vis.c
parent88ee2872aa59d6889ba9f704ed630fde0f581cbb (diff)
downloadFreeBSD-src-4b9cb06856c3e02a9d1f5b363f3240c2b55fb2a3.zip
FreeBSD-src-4b9cb06856c3e02a9d1f5b363f3240c2b55fb2a3.tar.gz
Add URI encoding to the vis/unvis routines courtesy of VIS_HTTPSTYLE.
Since alex is a -doc committer, he can update his own manpage. :-) Also add $FreeBSD$ while I'm here. Submitted by: alex
Diffstat (limited to 'lib/libc/gen/vis.c')
-rw-r--r--lib/libc/gen/vis.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/libc/gen/vis.c b/lib/libc/gen/vis.c
index 61aa836..cc3501d 100644
--- a/lib/libc/gen/vis.c
+++ b/lib/libc/gen/vis.c
@@ -29,6 +29,8 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
+ *
+ * $FreeBSD$
*/
#if defined(LIBC_SCCS) && !defined(lint)
@@ -52,6 +54,21 @@ vis(dst, c, flag, nextc)
register int flag;
{
c = (unsigned char)c;
+
+ if (flag & VIS_HTTPSTYLE) {
+ if (!((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z')
+ || (c >= 'a' && c <= 'z') || c == '$' || c == '-'
+ || c == '_' || c == '\'' || c == '+' || c == '!' ||
+ c == '(' || c == ')' || c == ',' || c == '"' ||
+ c == ';' || c == '/' || c == '?' || c == ':' ||
+ c == '@' || c == '&' || c == '=' || c == '+')) {
+ *dst++ = '%';
+ snprintf(dst, 4, (c < 16 ? "0%X" : "%X"), c);
+ dst += 2;
+ goto done;
+ }
+ }
+
if (isgraph(c) ||
((flag & VIS_SP) == 0 && c == ' ') ||
((flag & VIS_TAB) == 0 && c == '\t') ||
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