From 7a388dad85152a203033c14fee3c64607301865a Mon Sep 17 00:00:00 2001
From: "Anna (navi) Figueiredo Gomes" <navi@vlhl.dev>
Date: Sat, 8 Jul 2023 15:06:33 -0300
Subject: libactivity: (tmp name) http request parse

the parse works via callbacks, registered to a method and path. further
work will be done to simplify extraction of path, and to make the
request struct more private.

missing the parsing and handling of reponses.

Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>
---
 src/util.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/util.c

(limited to 'src/util.c')

diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..e6b7977
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,57 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "util.h"
+
+int vasprintf(char **dest, const char *fmt, va_list ap) {
+	assert(*dest == NULL);
+	char *buf = NULL; size_t len, size;
+	va_list ap2;
+
+	size = 4096;
+	buf = malloc(size);
+
+	va_copy(ap2, ap);
+	len = vsnprintf(buf, size, fmt, ap);
+	va_end(ap);
+
+	if (len >= size) {
+		size = len + 1;
+		buf = realloc(buf, size);
+		va_copy(ap2, ap);
+		len = vsnprintf(buf, size, fmt, ap);
+		va_end(ap2);
+	}
+	if (len < 0 || len >= size) {
+		fprintf(stderr, "asprintf: failed to format buffer");
+		free(buf);
+		exit(EXIT_FAILURE);
+	}
+
+	*dest = buf;
+	return len;
+}
+
+int asprintf(char **dest, const char *fmt, ...) {
+	va_list ap;
+	int ret;
+	va_start(ap, fmt);
+	ret = vasprintf(dest, fmt, ap);
+	va_end(ap);
+	return ret;
+}
+
+size_t hash(const char *str, int max_val) {
+	size_t ret = 0;
+
+	for (const char *p = str; *p != '\0'; p++) {
+		ret += (size_t)*p + ((size_t)*p << 6) + ((size_t)*p << 16);
+	}
+
+	ret = ret % max_val;
+
+	return ret;
+}
-- 
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