Initial revision

CVS patchset: 1159
CVS date: 1996/11/14 17:37:06

2 files changed, 162 insertions, 0 deletions

diff --git a/build/trigger.c b/build/trigger.c
new file mode 100644
index 000000000..5f9242c4c
--- /dev/null
+++ b/build/trigger.c
@@ -0,0 +1,149 @@
+/* handle triggers */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "trigger.h"
+#include "header.h"
+#include "spec.h"
+#include "specP.h"
+#include "rpmerr.h"
+#include "messages.h"
+#include "rpmlib.h"
+#include "stringbuf.h"
+#include "misc.h"
+
+#define FREE(x) { if (x) free(x); }
+#define CHUNK 8
+
+int addTrigger(struct PackageRec *package,
+	       int sense, char *script, char *args)
+{
+    struct TriggerEntry *te;
+    int i;
+    char *arg = NULL;
+    struct ReqComp *rc = NULL;
+    char *version;
+
+    /* add the script */
+    i = package->trigger.used++;
+    if (i == package->trigger.alloced) {
+	/* extend */
+	package->trigger.alloced += CHUNK;
+	package->trigger.triggerScripts =
+	    realloc(package->trigger.triggerScripts,
+		    package->trigger.alloced *
+		    sizeof(*(package->trigger.triggerScripts)));
+    }
+    package->trigger.triggerScripts[i] = strdup(script);
+    message(MESS_DEBUG, "TRIGGER %d:\n%s", i, script);
+
+    /* create the entry (or entries) */
+    te = NULL;
+    while (arg || (arg = strtok(args, " ,\t\n"))) {
+	if (!te) {
+	    te = malloc(sizeof(*te));
+	    te->flags = sense;
+	}
+	if ((version = strtok(NULL, " ,\t\n"))) {
+	    rc = ReqComparisons;
+	    while (rc->token && strcmp(version, rc->token)) {
+		rc++;
+	    }
+	    if (rc->token) {
+		/* read a version */
+		te->flags |= rc->flags;
+		version = strtok(NULL, " ,\t\n");
+	    }
+	}
+	if ((te->flags & REQUIRE_SENSEMASK) && !version) {
+	    error(RPMERR_BADSPEC, "Version required in trigger");
+	    return RPMERR_BADSPEC;
+	}
+	te->name = strdup(arg);
+	te->version = (rc && rc->token && version) ? strdup(version) : NULL;
+	te->index = i;
+
+	message(MESS_DEBUG, "TRIGGER(%s): %s %s %s %d\n",
+	       (sense == TRIGGER_ON) ? "on" : "off",
+	       te->name,
+	       (rc && rc->token) ? rc->token : "NONE",
+	       te->version, te->index);
+	
+	/* link it in */
+	te->next = package->trigger.trigger;
+	package->trigger.trigger = te;
+	package->trigger.triggerCount++;
+	te = NULL;
+
+	/* prepare for next round */
+	arg = NULL;
+	if (! (rc && rc->token)) {
+	    /* No version -- we just read a name */
+	    arg = version;
+	}
+	args = NULL;
+    }
+
+    return 0;
+}
+
+void generateTriggerEntries(Header h, struct PackageRec *p)
+{
+    struct TriggerEntry *te;
+    int i;
+    char **nameArray;
+    char **versionArray;
+    int_32 *flagArray;
+    int_32 *indexArray;
+
+    /* Add the scripts */
+    
+    if (p->trigger.used) {
+	addEntry(h, RPMTAG_TRIGGERSCRIPTS, STRING_ARRAY_TYPE,
+		 p->trigger.triggerScripts, p->trigger.used);
+    }
+
+    /* Add the entries */
+
+    nameArray = malloc(p->trigger.triggerCount * sizeof(*nameArray));
+    versionArray = malloc(p->trigger.triggerCount * sizeof(*versionArray));
+    flagArray = malloc(p->trigger.triggerCount * sizeof(*flagArray));
+    indexArray = malloc(p->trigger.triggerCount * sizeof(*indexArray));
+    
+    te = p->trigger.trigger;
+    i = 0;
+    while (te) {
+	nameArray[i] = te->name;
+	versionArray[i] = te->version ? te->version : "";
+	flagArray[i] = te->flags;
+	indexArray[i] = te->index;
+	i++;
+	te = te->next;
+    }
+
+    addEntry(h, RPMTAG_TRIGGERNAME, STRING_ARRAY_TYPE, nameArray, i);
+    addEntry(h, RPMTAG_TRIGGERVERSION, STRING_ARRAY_TYPE, versionArray, i);
+    addEntry(h, RPMTAG_TRIGGERFLAGS, INT32_TYPE, flagArray, i);
+    addEntry(h, RPMTAG_TRIGGERINDEX, INT32_TYPE, indexArray, i);
+}
+
+void freeTriggers(struct TriggerStruct t)
+{
+    char **s;
+    struct TriggerEntry *te;
+    
+    s = t.triggerScripts;
+    while (t.used--) {
+	FREE(*s++);
+    }
+    FREE(t.triggerScripts);
+
+    while (t.trigger) {
+	te = t.trigger;
+	t.trigger = t.trigger->next;
+	FREE(te->name);
+	FREE(te->version);
+	free(te);
+    }
+}
diff --git a/build/trigger.h b/build/trigger.h
new file mode 100644
index 000000000..00fc483f4
--- /dev/null
+++ b/build/trigger.h
@@ -0,0 +1,13 @@
+#ifndef _TRIGGER_H_
+#define _TRIGGER_H_
+
+#include "specP.h"
+
+int addTrigger(struct PackageRec *package,
+	       int sense, char *script, char *args);
+
+void generateTriggerEntries(Header h, struct PackageRec *p);
+
+void freeTriggers(struct TriggerStruct t);
+
+#endif _TRIGGER_H_