From 7513a528f61259a92473284fd96313adb7a41f49 Mon Sep 17 00:00:00 2001
From: Nathan Wagner <nw@hydaspes.if.org>
Date: Wed, 12 Sep 2018 11:09:20 +0000
Subject: [PATCH] add foreach_path to zpm library

---
 Makefile           |  1 +
 lib/foreach_path.c | 36 ++++++++++++++++++++++++++++++++++++
 zpm.h              |  7 +++++++
 3 files changed, 44 insertions(+)
 create mode 100644 lib/foreach_path.c

diff --git a/Makefile b/Makefile
index e18f196..c477580 100644
--- a/Makefile
+++ b/Makefile
@@ -126,6 +126,7 @@ zpm-shell: sqlite/sqlite3.o sqlite/shell.o
 
 libzpm.a: lib/sha256.o lib/db.o lib/compress.o lib/uncompress.o lib/zpm.o \
 	sqlite/sqlite3.o lib/zpm_hash.o \
+	lib/foreach_path.o \
 	lib/vercmp.o \
 	lib/sha256.o \
 	$(LZMAOBJ)
diff --git a/lib/foreach_path.c b/lib/foreach_path.c
new file mode 100644
index 0000000..271ee8c
--- /dev/null
+++ b/lib/foreach_path.c
@@ -0,0 +1,36 @@
+#define _POSIX_C_SOURCE 2
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <string.h>
+
+#include "sqlite3.h"
+#include "zpm.h"
+
+int zpm_foreach_path(struct zpm *zpm, char *pkgid, 
+int (*callback)(void *f, int ncols, char **vals, char **cols),
+void *data, char **errmsg) {
+
+	char *files = "select * from packagefiles where"
+		" printf('%%s-%%s-%%s', package, version, release) = %Q"
+		" order by path"
+		;
+
+	char *sql;
+
+	sql = sqlite3_mprintf(files, pkgid);
+	if (!sql) {
+		return 0;
+		zpm->error = 1;
+	}
+
+	zpm_exec(zpm, sql, callback, data, errmsg);
+	if (errmsg) {
+		zpm->error = 2;
+		return 0;
+	}
+
+	return 1;
+}
diff --git a/zpm.h b/zpm.h
index 68a536f..4a213c8 100644
--- a/zpm.h
+++ b/zpm.h
@@ -92,8 +92,11 @@ int zpm_checkinstall(struct zpm *local);
 
 int zpm_merge(struct zpm *z, struct zpm *src, uint32_t flags);
 
+#if 0
 void uncompresslzma(void *buf, size_t bufsize, FILE *out);
 void *compresslzma(void *buf, size_t bufsize, size_t *len);
+#endif
+
 #define SQLERROR(x) fprintf(stderr, "%s %d: %s\n", __func__, __LINE__, (x))
 int zpm_hash(char *path, char *hash, uint32_t flags);
 int zpm_readopts(struct zpm *pkg, int ac, char **av);
@@ -105,5 +108,9 @@ int zpm_addvercmp(struct zpm *pkg);
 
 int zpm_exec(struct zpm *z, const char *sql, int(*callback)(void *, int, char **, char**), void *arg, char **errmsg);
 
+int zpm_foreach_path(struct zpm *zpm, char *pkgid, 
+int (*callback)(void *f, int ncols, char **vals, char **cols),
+void *data, char **errmsg);
+
 
 #endif
-- 
2.40.0