1 files changed, 74 insertions, 0 deletions
diff --git a/pcilib/view.c b/pcilib/view.c
new file mode 100644
index 0000000..1179808
--- /dev/null
+++ b/pcilib/view.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+#include "pci.h"
+#include "pcilib.h"
+#include "view.h"
+#include "error.h"
+
+
+pcilib_view_t pcilib_find_view_by_name(pcilib_t *ctx, const char *view) {
+    pcilib_view_t i;
+
+    for(i = 0; ctx->views[i]; i++) {
+        if (!strcasecmp(ctx->views[i]->name, view))
+	    return i;
+    }
+
+    return PCILIB_VIEW_INVALID;
+}
+
+
+
+int pcilib_add_views(pcilib_t *ctx, size_t n, const pcilib_view_description_t *desc) {
+    size_t i;
+    void *ptr;
+
+    if (!n) {
+            // No padding between array elements
+        ptr = (void*)desc;
+        while (1) {
+            const pcilib_view_description_t *v = (const pcilib_view_description_t*)ptr;
+            if (v->name) n++;
+            else break;
+            ptr += v->api->description_size;
+        }
+    }
+
+    if ((ctx->num_views + n + 1) > ctx->alloc_views) {
+        size_t size;
+	pcilib_view_description_t **views;
+        for (size = ctx->alloc_views; size < 2 * (n + ctx->num_views + 1); size<<=1);
+
+        views = (pcilib_view_description_t**)realloc(ctx->views, size * sizeof(pcilib_view_description_t*));
+        if (!views) return PCILIB_ERROR_MEMORY;
+
+        ctx->views = views;
+        ctx->alloc_views = size;
+
+        ctx->model_info.views = (const pcilib_view_description_t**)views;
+    }
+
+        // No padding between array elements
+    ptr = (void*)desc;
+    for (i = 0; i < n; i++) {
+        const pcilib_view_description_t *v = (const pcilib_view_description_t*)ptr;
+        ctx->views[ctx->num_views + i] = (pcilib_view_description_t*)malloc(v->api->description_size);
+        if (!ctx->views[ctx->num_views + i]) {
+            size_t j;
+            for (j = 0; j < i; j++)
+                free(ctx->views[ctx->num_views + j]);
+            ctx->views[ctx->num_views] = NULL;
+            pcilib_error("Error allocating %zu bytes of memory for the view description", v->api->description_size);
+            return PCILIB_ERROR_MEMORY;
+        }
+        memcpy(ctx->views[ctx->num_views + i], v, v->api->description_size);
+        ptr += v->api->description_size;
+    }
+    ctx->views[ctx->num_views + i] = NULL;
+    ctx->num_views += n;
+
+    return 0;
+}