commit 4190a5c21660e75386f0618b23e5ccbda6715f19
from: Omar Polo <op@omarpolo.com>
date: Sat Apr 24 15:36:34 2021 UTC

sync from libphos

commit - 970deec6ebb6e26c60a439116b8ae0154e922901
commit + 4190a5c21660e75386f0618b23e5ccbda6715f19
blob - 8994b31b60a1decd709b17b7d6a215ae5cd22b47
blob + 50b0687a47865fff2c519e12abf68e7c9392bcba
--- phos/phos.h
+++ phos/phos.h
@@ -42,6 +42,7 @@ int	 phos_parse_uri_reference(const char*, struct phos
 int	 phos_parse_absolute_uri(const char*, struct phos_uri*);
 int	 phos_resolve_uri_from_str(const struct phos_uri*, const char *, struct phos_uri*);
 void	 phos_uri_drop_empty_segments(struct phos_uri*);
+int	 phos_uri_set_query(struct phos_uri*, const char*);
 int	 phos_serialize_uri(const struct phos_uri*, char*, size_t);
 
 #ifdef __cplusplus
blob - 6e25302ebedfa13aaf01feea9e83d4fa0bb28a2e
blob + 0f5f0c9763421d041c10944ebb7e11565feedadf
--- phos/phos_uri.c
+++ phos/phos_uri.c
@@ -28,12 +28,14 @@
 
 #include <ctype.h>
 #include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 static const char	*sub_ip_literal(const char*);
 static const char	*sub_host_dummy(const char*);
 static const char	*sub_pchar(const char*);
+
 static const char	*sub_segment(const char*);
 static const char	*sub_segment_nz(const char*);
 static const char	*sub_segment_nz_nc(const char*);
@@ -839,8 +841,42 @@ phos_uri_drop_empty_segments(struct phos_uri *uri)
 		if (*i == '/' && *(i+1) == '/') {
 			memmove(i, i+1, strlen(i)); /* move also the \0 */
 			i--;
+		}
+	}
+}
+
+int
+phos_uri_set_query(struct phos_uri *uri, const char *query)
+{
+	char		*out;
+	int		 t;
+	size_t		 len;
+
+	len = sizeof(uri->query);
+	out = uri->query;
+	memset(uri->query, 0, len);
+
+	for (; *query != '\0' && len > 0; ++query) {
+		if (*query == '/' ||
+		    *query == '?' ||
+		    *query == ':' ||
+		    *query == '@' ||
+		    unreserved(*query) ||
+		    sub_delims(*query)) {
+			*out++ = *query;
+			len--;
+		} else {
+			if (len <= 4)
+				break;
+			len -= 3;
+			*out++ = '%';
+			t = *query;
+			sprintf(out, "%02X", t);
+			out += 2;
 		}
 	}
+
+	return *query == '\0';
 }
 
 int