Add local getline() for Solaris 10 build

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

compat.c

@@ -111,3 +111,32 @@ int openconnect__asprintf(char **strp, const char *fmt, ...)
 	return ret;
 }
 #endif
+
+#ifndef HAVE_GETLINE
+ssize_t openconnect__getline(char **lineptr, size_t *n, FILE *stream)
+{
+	int len = 0;
+
+	if (!*lineptr) {
+		*n = 2;
+		*lineptr = malloc(*n);
+		if (!*lineptr)
+			return -1;
+	}
+
+	while (fgets((*lineptr) + len, (*n) - len, stream)) {
+
+		len += strlen((*lineptr) + len);
+		if ((*lineptr)[len-1] == '\n')
+			break;
+
+		*n *= 2;
+		*lineptr = realloc(*lineptr, *n);
+		if (!*lineptr)
+			return -1;
+	}
+	if (len)
+		return len;
+	return -1;
+}
+#endif

configure.ac

@@ -67,6 +67,7 @@ case $host_os in
     ;;
 esac
 
+AC_CHECK_FUNC(getline, [AC_DEFINE(HAVE_GETLINE, 1)], [])
 AC_CHECK_FUNC(strcasestr, [AC_DEFINE(HAVE_STRCASESTR, 1)], [])
 need_vacopy=no
 AC_CHECK_FUNC(asprintf, [AC_DEFINE(HAVE_ASPRINTF, 1)], [need_vacopy=yes])

openconnect-internal.h

@@ -248,6 +248,10 @@ time_t openconnect__time(time_t *t);
 #define asprintf openconnect__asprintf
 int openconnect__asprintf(char **strp, const char *fmt, ...);
 #endif
+#ifndef HAVE_GETLINE
+#define getline openconnect__getline
+ssize_t openconnect__getline(char **lineptr, size_t *n, FILE *stream);
+#endif
 
 /****************************************************************************/