From c8a33ffb0aad5ebc2f50045eb8a460daa67f446d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Tue, 28 Jul 2015 10:23:29 +0200
Subject: Allconfig add inv option

Added inv option for generating inverted configurations.
Inverted configuration contains configuration options that are not in original configuration file.
---
 scripts/allconfig/inv.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 scripts/allconfig/inv.c

(limited to 'scripts/allconfig/inv.c')

diff --git a/scripts/allconfig/inv.c b/scripts/allconfig/inv.c
new file mode 100644
index 0000000..0e87163
--- /dev/null
+++ b/scripts/allconfig/inv.c
@@ -0,0 +1,53 @@
+#include "inv.h"
+
+void inv_prepare(char *input_file) {
+    FILE *f;
+    f = fopen(input_file, "r");
+    if (f == NULL) {
+        Eprintf("Can't open input file: %s\n", input_file);
+        exit(-2);
+    }
+
+    struct property *fixed_prop;
+    fixed_prop = malloc(sizeof(struct property));
+    fixed_prop->type = P_UNKNOWN;
+    fixed_prop->lineno = LINENUM_IDENTIFICATOR;
+    fixed_prop->next = NULL;
+    char buffer[READBUFFER_SIZE];
+    while (fgets(buffer, READBUFFER_SIZE, f) != NULL) {
+        if (buffer[0] == '\0' || buffer[1] == '\0')
+            continue;
+        if (buffer[0] != '#') {
+            char *wstr = buffer + 7;
+            char *end = strchr(wstr, '=');
+            *end = '\0';
+            struct symbol *sym = sym_find(wstr);
+            if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
+                continue;
+            if (sym->prop == NULL) {
+                sym->prop = fixed_prop;
+                continue;
+            }
+            struct property *prop;
+            prop = sym->prop;
+            while (prop->next != NULL)
+                prop = prop->next;
+            prop->next = fixed_prop;
+        }
+    }
+
+    fclose(f);
+}
+
+bool inv_fixed(struct symbol *sym) {
+    if (sym->prop == NULL)
+        return false;
+    struct property *prop;
+    prop = sym->prop;
+    while (prop->next != NULL)
+        prop = prop->next;
+    if (prop->type == P_UNKNOWN && prop->lineno == LINENUM_IDENTIFICATOR)
+        return true;
+    else
+        return false;
+}
-- 
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