Bump sdb again

libr/include/sdb/sdb.h

@@ -49,7 +49,8 @@ typedef struct sdb_kv {
 } SdbKv;
 
 typedef struct sdb_t {
-	char *dir; // path+file
+	char *dir; // path+name
+	char *path;
 	char *name;
 	int fd;
 	int lock;

shlr/sdb/README.md

@@ -52,7 +52,7 @@ Let's create a database!
 
 Using arrays (>=0.6):
 
-	$ sdb - '()list=1,2' '(0)list' '(0)list=foo' '()list' '(+1)list=bar'
+	$ sdb - '[]list=1,2' '[0]list' '[0]list=foo' '[]list' '[+1]list=bar'
 	1
 	foo
 	2

shlr/sdb/src/cdb.c

@@ -100,9 +100,7 @@ int cdb_findnext(struct cdb *c, ut32 u, const char *key, unsigned int len) {
 		}
 		ut32_unpack (buf, &c->hpos);
 		c->khash = u;
-		u >>= 8;
-		u %= c->hslots;
-		u <<= 3;
+		u = ((u>>8)%c->hslots)<<3;
 		c->kpos = c->hpos + u;
 	}
 

shlr/sdb/src/main.c

@@ -30,7 +30,7 @@ static void syncronize(int sig UNUSED) {
 	// TODO: must be in sdb_sync() or wat?
 	Sdb *n;
 	sdb_sync (s);
-	n = sdb_new (s->dir, s->name, s->lock);
+	n = sdb_new (s->path, s->name, s->lock);
 	sdb_free (s);
 	s = n;
 }
@@ -52,7 +52,7 @@ static int sdb_dump (const char *db) {
 
 static void createdb(const char *f) {
 	char *line, *eq;
-	s = sdb_new (f, f, 0);
+	s = sdb_new (NULL, f, 0);
 	if (!sdb_create (s)) {
 		printf ("Cannot create database\n");
 		exit (1);

shlr/sdb/src/query.c

@@ -43,10 +43,10 @@ SDB_VISIBLE char *sdb_querys (Sdb *s, char *buf, size_t len, const char *cmd) {
 	}
 	if (!len || !buf) buf = malloc ((len=64));
 	ask = strchr (cmd, '?');
-	if (*cmd == '(') {
-		char *tp = strchr (cmd, ')');
+	if (*cmd == '[') {
+		char *tp = strchr (cmd, ']');
 		if (!tp) {
-			fprintf (stderr, "Missing ')'.\n");
+			fprintf (stderr, "Missing ']'.\n");
 			return NULL;
 		}
 		*tp++ = 0;
@@ -97,7 +97,8 @@ SDB_VISIBLE char *sdb_querys (Sdb *s, char *buf, size_t len, const char *cmd) {
 			}
 			return buf;
 		}
-	} else if (*cmd == '(') {
+	} else if (*cmd == '[') {
+		// [?] - count elements of array
 		if (cmd[1]=='?') {
 			// if (!eq) { ...
 			alength = sdb_alength (s, p);
@@ -109,14 +110,19 @@ SDB_VISIBLE char *sdb_querys (Sdb *s, char *buf, size_t len, const char *cmd) {
 			return buf;
 		}
 		if (cmd[1]=='+'||cmd[1]=='-') {
-			/* (+)foo=bla (-)foo=bla */
-			if (!cmd[2] || cmd[2] ==')') {
+			// [+]foo        remove first element */
+			// [+]foo=bar    PUSH */
+			// [-]foo        POP */
+			// [-]foo=xx     POP  (=xx ignored) */
+			if (!cmd[2] || cmd[2] ==']') {
 				// insert
 				if (eq) {
 					if (cmd[1]=='+') {
 						if (sdb_agetv (s, p, val, 0)== -1)
 							sdb_aset (s, p, -1, val, 0);
-					} else sdb_adels (s, p, val, 0);
+					} else {
+						sdb_adels (s, p, val, 0);
+					}
 					return NULL;
 				} else {
 					char *ret;
@@ -125,7 +131,7 @@ SDB_VISIBLE char *sdb_querys (Sdb *s, char *buf, size_t len, const char *cmd) {
 						ret = sdb_aget (s, p, 0, 0);
 						// (+)foo :: remove first element
 						sdb_adel (s, p, 0, 0);
-					} else {
+					} else { // POP
 						ret = sdb_aget (s, p, -1, 0);
 						// (-)foo :: remove last element
 						sdb_adel (s, p, -1, 0);

shlr/sdb/src/sdb.c

@@ -43,9 +43,11 @@ SDB_VISIBLE Sdb* sdb_new (const char *path, const char *name, int lock) {
 		s->fd = open (s->dir, O_RDONLY|O_BINARY);
 		// if (s->fd == -1) // must fail if we cant open for write in sync
 		s->name = strdup (name);
+		s->path = path? strdup (path): NULL;
 	} else {
 		s->dir = NULL;
 		s->name = NULL;
+		s->path = NULL;
 		s->fd = -1;
 	}
 	s->fdump = -1;

shlr/sdb/src/sdb.h

@@ -49,7 +49,8 @@ typedef struct sdb_kv {
 } SdbKv;
 
 typedef struct sdb_t {
-	char *dir; // path+file
+	char *dir; // path+name
+	char *path;
 	char *name;
 	int fd;
 	int lock;

shlr/sdb/src/sdba.c

@@ -1,4 +1,4 @@
-/* sdb - LGPLv3 - Copyright 2011-2013 - pancake */
+/* sdb - LGPLv3 - Copyright 2011-2014 - pancake */
 
 #include "sdb.h"
 
@@ -255,6 +255,8 @@ SDB_VISIBLE int sdb_adel(Sdb *s, const char *key, int idx, ut32 cas) {
 	if (n) {
 		memmove (p, n+1, strlen (n+1)+1);
 	} else {
+		if (p != str)
+			p--; // remove tailing SDB_RS
 		*p = 0;
 		p[1] = 0;
 	}