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lua_filehelpers.cpp: Add lua script function 'touch()'
- Set Lua api version to 1.50
Origin commit data
------------------
Commit: ab322416dc
Author: Michael Liebmann <tuxcode.bbg@gmail.com>
Date: 2016-09-04 (Sun, 04 Sep 2016)
This commit is contained in:
@@ -4,4 +4,4 @@
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* to luainstance.h changes
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*/
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#define LUA_API_VERSION_MAJOR 1
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#define LUA_API_VERSION_MINOR 49
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#define LUA_API_VERSION_MINOR 50
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@@ -24,6 +24,7 @@
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#include <unistd.h>
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#include <math.h>
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#include <errno.h>
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#include <utime.h>
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#include <global.h>
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#include <system/debug.h>
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@@ -53,6 +54,7 @@ void CLuaInstFileHelpers::LuaFileHelpersRegister(lua_State *L)
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{ "new", CLuaInstFileHelpers::FileHelpersNew },
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{ "cp", CLuaInstFileHelpers::FileHelpersCp },
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{ "chmod", CLuaInstFileHelpers::FileHelpersChmod },
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{ "touch", CLuaInstFileHelpers::FileHelpersTouch },
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{ "__gc", CLuaInstFileHelpers::FileHelpersDelete },
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{ NULL, NULL }
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};
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@@ -161,6 +163,68 @@ int CLuaInstFileHelpers::FileHelpersChmod(lua_State *L)
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return 1;
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}
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int CLuaInstFileHelpers::FileHelpersTouch(lua_State *L)
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{
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CLuaFileHelpers *D = FileHelpersCheckData(L, 1);
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if (!D) return 0;
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int numargs = lua_gettop(L) - 1;
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int min_numargs = 1;
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if (numargs < min_numargs) {
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printf("luascript touch: not enough arguments (%d, expected %d)\n", numargs, min_numargs);
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lua_pushboolean(L, false);
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return 1;
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}
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const char *file = "";
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file = luaL_checkstring(L, 2);
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bool ret = true;
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lua_Debug ar;
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if (!file_exists(file)) {
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FILE *f = fopen(file, "w");
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if (f == NULL) {
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ret = false;
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lua_getstack(L, 1, &ar);
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lua_getinfo(L, "Sl", &ar);
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const char* s = strerror(errno);
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printf(">>> Lua script error [%s:%d] %s\n (error from neutrino: [%s:%d])\n",
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ar.short_src, ar.currentline, s, __path_file__, __LINE__);
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lua_pushboolean(L, ret);
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return 1;
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}
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fclose(f);
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if (numargs == min_numargs) {
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lua_pushboolean(L, ret);
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return 1;
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}
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}
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time_t modTime;
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if (numargs == min_numargs)
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/* current time */
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modTime = time(NULL);
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else
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/* new time */
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modTime = (time_t)luaL_checkint(L, 3);
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utimbuf utb;
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utb.actime = modTime;
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utb.modtime = modTime;
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if (utime(file, &utb) != 0) {
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ret = false;
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lua_getstack(L, 1, &ar);
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lua_getinfo(L, "Sl", &ar);
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const char* s = strerror(errno);
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printf(">>> Lua script error [%s:%d] %s\n (error from neutrino: [%s:%d])\n",
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ar.short_src, ar.currentline, s, __path_file__, __LINE__);
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}
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lua_pushboolean(L, ret);
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return 1;
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}
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@@ -41,6 +41,7 @@ class CLuaInstFileHelpers
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static int FileHelpersNew(lua_State *L);
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static int FileHelpersCp(lua_State *L);
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static int FileHelpersChmod(lua_State *L);
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static int FileHelpersTouch(lua_State *L);
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static int FileHelpersDelete(lua_State *L);
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};
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