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-rw-r--r--luaext/lposix.c889
1 files changed, 889 insertions, 0 deletions
diff --git a/luaext/lposix.c b/luaext/lposix.c
new file mode 100644
index 0000000..3b25157
--- /dev/null
+++ b/luaext/lposix.c
@@ -0,0 +1,889 @@
+/*
+* lposix.c
+* POSIX library for Lua 5.0. Based on original by Claudio Terra for Lua 3.x.
+* Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br>
+* 05 Nov 2003 22:09:10
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/times.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+#include <utime.h>
+#include <rpm/rpmutil.h>
+
+#define MYNAME "posix"
+#define MYVERSION MYNAME " library for " LUA_VERSION " / Nov 2003"
+
+#include "lua.h"
+#include "lauxlib.h"
+#include "lposix.h"
+
+
+#ifndef MYBUFSIZ
+#define MYBUFSIZ 512
+#endif
+
+#include "modemuncher.c"
+
+static int have_forked = 0;
+
+static const char *filetype(mode_t m)
+{
+ if (S_ISREG(m)) return "regular";
+ else if (S_ISLNK(m)) return "link";
+ else if (S_ISDIR(m)) return "directory";
+ else if (S_ISCHR(m)) return "character device";
+ else if (S_ISBLK(m)) return "block device";
+ else if (S_ISFIFO(m)) return "fifo";
+ else if (S_ISSOCK(m)) return "socket";
+ else return "?";
+}
+
+typedef int (*Selector)(lua_State *L, int i, const void *data);
+
+static int doselection(lua_State *L, int i, const char *const S[], Selector F, const void *data)
+{
+ if (lua_isnone(L, i))
+ {
+ lua_newtable(L);
+ for (i=0; S[i]!=NULL; i++)
+ {
+ lua_pushstring(L, S[i]);
+ F(L, i, data);
+ lua_settable(L, -3);
+ }
+ return 1;
+ }
+ else
+ {
+ int j=luaL_checkoption(L, i, NULL, S);
+ if (j==-1) luaL_argerror(L, i, "unknown selector");
+ return F(L, j, data);
+ }
+}
+
+static void storeindex(lua_State *L, int i, const char *value)
+{
+ lua_pushstring(L, value);
+ lua_rawseti(L, -2, i);
+}
+
+static void storestring(lua_State *L, const char *name, const char *value)
+{
+ lua_pushstring(L, name);
+ lua_pushstring(L, value);
+ lua_settable(L, -3);
+}
+
+static void storenumber(lua_State *L, const char *name, lua_Number value)
+{
+ lua_pushstring(L, name);
+ lua_pushnumber(L, value);
+ lua_settable(L, -3);
+}
+
+static int pusherror(lua_State *L, const char *info)
+{
+ lua_pushnil(L);
+ if (info==NULL)
+ lua_pushstring(L, strerror(errno));
+ else
+ lua_pushfstring(L, "%s: %s", info, strerror(errno));
+ lua_pushnumber(L, errno);
+ return 3;
+}
+
+static int pushresult(lua_State *L, int i, const char *info)
+{
+ if (i != -1)
+ {
+ lua_pushnumber(L, i);
+ return 1;
+ }
+ else
+ return pusherror(L, info);
+}
+
+static void badoption(lua_State *L, int i, const char *what, int option)
+{
+ luaL_argerror(L, 2,
+ lua_pushfstring(L, "unknown %s option `%c'", what, option));
+}
+
+static uid_t mygetuid(lua_State *L, int i)
+{
+ if (lua_isnone(L, i))
+ return -1;
+ else if (lua_isnumber(L, i))
+ return (uid_t) lua_tonumber(L, i);
+ else if (lua_isstring(L, i))
+ {
+ struct passwd *p=getpwnam(lua_tostring(L, i));
+ return (p==NULL) ? -1 : p->pw_uid;
+ }
+ else
+ return luaL_typerror(L, i, "string or number");
+}
+
+static gid_t mygetgid(lua_State *L, int i)
+{
+ if (lua_isnone(L, i))
+ return -1;
+ else if (lua_isnumber(L, i))
+ return (gid_t) lua_tonumber(L, i);
+ else if (lua_isstring(L, i))
+ {
+ struct group *g=getgrnam(lua_tostring(L, i));
+ return (g==NULL) ? -1 : g->gr_gid;
+ }
+ else
+ return luaL_typerror(L, i, "string or number");
+}
+
+
+
+static int Perrno(lua_State *L) /** errno() */
+{
+ lua_pushstring(L, strerror(errno));
+ lua_pushnumber(L, errno);
+ return 2;
+}
+
+
+static int Pdir(lua_State *L) /** dir([path]) */
+{
+ const char *path = luaL_optstring(L, 1, ".");
+ DIR *d = opendir(path);
+ if (d == NULL)
+ return pusherror(L, path);
+ else
+ {
+ int i;
+ struct dirent *entry;
+ lua_newtable(L);
+ for (i=1; (entry = readdir(d)) != NULL; i++)
+ storeindex(L, i, entry->d_name);
+ closedir(d);
+ return 1;
+ }
+}
+
+
+static int aux_files(lua_State *L)
+{
+ DIR *d = lua_touserdata(L, lua_upvalueindex(1));
+ struct dirent *entry;
+ if (d == NULL) return luaL_error(L, "attempt to use closed dir");
+ entry = readdir(d);
+ if (entry == NULL)
+ {
+ closedir(d);
+ lua_pushnil(L);
+ lua_replace(L, lua_upvalueindex(1));
+ lua_pushnil(L);
+ }
+ else
+ {
+ lua_pushstring(L, entry->d_name);
+#if 0
+#ifdef _DIRENT_HAVE_D_TYPE
+ lua_pushstring(L, filetype(DTTOIF(entry->d_type)));
+ return 2;
+#endif
+#endif
+ }
+ return 1;
+}
+
+static int Pfiles(lua_State *L) /** files([path]) */
+{
+ const char *path = luaL_optstring(L, 1, ".");
+ DIR *d = opendir(path);
+ if (d == NULL)
+ return pusherror(L, path);
+ else
+ {
+ lua_pushlightuserdata(L, d);
+ lua_pushcclosure(L, aux_files, 1);
+ return 1;
+ }
+}
+
+
+static int Pgetcwd(lua_State *L) /** getcwd() */
+{
+ char buf[MYBUFSIZ];
+ if (getcwd(buf, sizeof(buf)) == NULL)
+ return pusherror(L, ".");
+ else
+ {
+ lua_pushstring(L, buf);
+ return 1;
+ }
+}
+
+
+static int Pmkdir(lua_State *L) /** mkdir(path) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ return pushresult(L, mkdir(path, 0777), path);
+}
+
+
+static int Pchdir(lua_State *L) /** chdir(path) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ return pushresult(L, chdir(path), path);
+}
+
+
+static int Prmdir(lua_State *L) /** rmdir(path) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ return pushresult(L, rmdir(path), path);
+}
+
+
+static int Punlink(lua_State *L) /** unlink(path) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ return pushresult(L, unlink(path), path);
+}
+
+
+static int Plink(lua_State *L) /** link(oldpath,newpath) */
+{
+ const char *oldpath = luaL_checkstring(L, 1);
+ const char *newpath = luaL_checkstring(L, 2);
+ return pushresult(L, link(oldpath, newpath), NULL);
+}
+
+
+static int Psymlink(lua_State *L) /** symlink(oldpath,newpath) */
+{
+ const char *oldpath = luaL_checkstring(L, 1);
+ const char *newpath = luaL_checkstring(L, 2);
+ return pushresult(L, symlink(oldpath, newpath), NULL);
+}
+
+
+static int Preadlink(lua_State *L) /** readlink(path) */
+{
+ char buf[MYBUFSIZ];
+ const char *path = luaL_checkstring(L, 1);
+ int n = readlink(path, buf, sizeof(buf));
+ if (n==-1) return pusherror(L, path);
+ lua_pushlstring(L, buf, n);
+ return 1;
+}
+
+
+static int Paccess(lua_State *L) /** access(path,[mode]) */
+{
+ int mode=F_OK;
+ const char *path=luaL_checkstring(L, 1);
+ const char *s;
+ for (s=luaL_optstring(L, 2, "f"); *s!=0 ; s++)
+ switch (*s)
+ {
+ case ' ': break;
+ case 'r': mode |= R_OK; break;
+ case 'w': mode |= W_OK; break;
+ case 'x': mode |= X_OK; break;
+ case 'f': mode |= F_OK; break;
+ default: badoption(L, 2, "mode", *s); break;
+ }
+ return pushresult(L, access(path, mode), path);
+}
+
+
+static int Pmkfifo(lua_State *L) /** mkfifo(path) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ return pushresult(L, mkfifo(path, 0777), path);
+}
+
+
+static int Pexec(lua_State *L) /** exec(path,[args]) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ int i,n=lua_gettop(L);
+ char **argv;
+
+ if (!have_forked)
+ return luaL_error(L, "exec not permitted in this context");
+
+ argv = malloc((n+1)*sizeof(char*));
+ if (argv==NULL) return luaL_error(L,"not enough memory");
+ argv[0] = (char*)path;
+ for (i=1; i<n; i++) argv[i] = (char*)luaL_checkstring(L, i+1);
+ argv[i] = NULL;
+ execvp(path,argv);
+ return pusherror(L, path);
+}
+
+
+static int Pfork(lua_State *L) /** fork() */
+{
+ pid_t pid = fork();
+ if (pid == 0) {
+ have_forked = 1;
+ }
+ return pushresult(L, pid, NULL);
+}
+
+
+static int Pwait(lua_State *L) /** wait([pid]) */
+{
+ pid_t pid = luaL_optint(L, 1, -1);
+ return pushresult(L, waitpid(pid, NULL, 0), NULL);
+}
+
+
+static int Pkill(lua_State *L) /** kill(pid,[sig]) */
+{
+ pid_t pid = luaL_checkint(L, 1);
+ int sig = luaL_optint(L, 2, SIGTERM);
+ return pushresult(L, kill(pid, sig), NULL);
+}
+
+
+static int Psleep(lua_State *L) /** sleep(seconds) */
+{
+ unsigned int seconds = luaL_checkint(L, 1);
+ lua_pushnumber(L, sleep(seconds));
+ return 1;
+}
+
+
+static int Pputenv(lua_State *L) /** putenv(string) */
+{
+#if HAVE_PUTENV
+ size_t l;
+ const char *s=luaL_checklstring(L, 1, &l);
+ char *e=malloc(++l);
+ return pushresult(L, (e==NULL) ? -1 : putenv(memcpy(e,s,l)), s);
+#else
+ return -1;
+#endif
+}
+
+
+static int Psetenv(lua_State *L) /** setenv(name,value,[over]) */
+{
+ const char *name=luaL_checkstring(L, 1);
+ const char *value=luaL_checkstring(L, 2);
+ int overwrite=lua_isnoneornil(L, 3) || lua_toboolean(L, 3);
+ return pushresult(L, setenv(name,value,overwrite), name);
+}
+
+
+static int Punsetenv(lua_State *L) /** unsetenv(name) */
+{
+ const char *name=luaL_checkstring(L, 1);
+ unsetenv(name);
+ return 0;
+}
+
+static int Pgetenv(lua_State *L) /** getenv([name]) */
+{
+ if (lua_isnone(L, 1))
+ {
+ #ifdef __APPLE__
+ #include <crt_externs.h>
+ #define environ (*_NSGetEnviron())
+ #else
+ extern char **environ;
+ #endif /* __APPLE__ */
+ char **e;
+ if (*environ==NULL) lua_pushnil(L); else lua_newtable(L);
+ for (e=environ; *e!=NULL; e++)
+ {
+ char *s=*e;
+ char *eq=strchr(s, '=');
+ if (eq==NULL) /* will this ever happen? */
+ {
+ lua_pushstring(L,s);
+ lua_pushboolean(L,0);
+ }
+ else
+ {
+ lua_pushlstring(L,s,eq-s);
+ lua_pushstring(L,eq+1);
+ }
+ lua_settable(L,-3);
+ }
+ }
+ else
+ lua_pushstring(L, getenv(luaL_checkstring(L, 1)));
+ return 1;
+}
+
+
+static int Pumask(lua_State *L) /** umask([mode]) */
+{
+ char m[10];
+ mode_t mode;
+ umask(mode=umask(0));
+ mode=(~mode)&0777;
+ if (!lua_isnone(L, 1))
+ {
+ if (mode_munch(&mode, luaL_checkstring(L, 1)))
+ {
+ lua_pushnil(L);
+ return 1;
+ }
+ mode&=0777;
+ umask(~mode);
+ }
+ modechopper(mode, m);
+ lua_pushstring(L, m);
+ return 1;
+}
+
+
+static int Pchmod(lua_State *L) /** chmod(path,mode) */
+{
+ mode_t mode;
+ struct stat s;
+ const char *path = luaL_checkstring(L, 1);
+ const char *modestr = luaL_checkstring(L, 2);
+ if (stat(path, &s)) return pusherror(L, path);
+ mode = s.st_mode;
+ if (mode_munch(&mode, modestr)) luaL_argerror(L, 2, "bad mode");
+ return pushresult(L, chmod(path, mode), path);
+}
+
+
+static int Pchown(lua_State *L) /** chown(path,uid,gid) */
+{
+ const char *path = luaL_checkstring(L, 1);
+ uid_t uid = mygetuid(L, 2);
+ gid_t gid = mygetgid(L, 3);
+ return pushresult(L, chown(path, uid, gid), path);
+}
+
+
+static int Putime(lua_State *L) /** utime(path,[mtime,atime]) */
+{
+ struct utimbuf times;
+ time_t currtime = time(NULL);
+ const char *path = luaL_checkstring(L, 1);
+ times.modtime = luaL_optnumber(L, 2, currtime);
+ times.actime = luaL_optnumber(L, 3, currtime);
+ return pushresult(L, utime(path, &times), path);
+}
+
+
+static int FgetID(lua_State *L, int i, const void *data)
+{
+ switch (i)
+ {
+ case 0: lua_pushnumber(L, getegid()); break;
+ case 1: lua_pushnumber(L, geteuid()); break;
+ case 2: lua_pushnumber(L, getgid()); break;
+ case 3: lua_pushnumber(L, getuid()); break;
+ case 4: lua_pushnumber(L, getpgrp()); break;
+ case 5: lua_pushnumber(L, getpid()); break;
+ case 6: lua_pushnumber(L, getppid()); break;
+ }
+ return 1;
+}
+
+static const char *const SgetID[] =
+{
+ "egid", "euid", "gid", "uid", "pgrp", "pid", "ppid", NULL
+};
+
+static int Pgetprocessid(lua_State *L) /** getprocessid([selector]) */
+{
+ return doselection(L, 1, SgetID, FgetID, NULL);
+}
+
+
+static int Pttyname(lua_State *L) /** ttyname(fd) */
+{
+ int fd=luaL_optint(L, 1, 0);
+ lua_pushstring(L, ttyname(fd));
+ return 1;
+}
+
+static int Pctermid(lua_State *L) /** ctermid() */
+{
+ char b[L_ctermid];
+ lua_pushstring(L, ctermid(b));
+ return 1;
+}
+
+
+static int Pgetlogin(lua_State *L) /** getlogin() */
+{
+ lua_pushstring(L, getlogin());
+ return 1;
+}
+
+
+static int Fgetpasswd(lua_State *L, int i, const void *data)
+{
+ const struct passwd *p=data;
+ switch (i)
+ {
+ case 0: lua_pushstring(L, p->pw_name); break;
+ case 1: lua_pushnumber(L, p->pw_uid); break;
+ case 2: lua_pushnumber(L, p->pw_gid); break;
+ case 3: lua_pushstring(L, p->pw_dir); break;
+ case 4: lua_pushstring(L, p->pw_shell); break;
+/* not strictly POSIX */
+ case 5: lua_pushstring(L, p->pw_gecos); break;
+ case 6: lua_pushstring(L, p->pw_passwd); break;
+ }
+ return 1;
+}
+
+static const char *const Sgetpasswd[] =
+{
+ "name", "uid", "gid", "dir", "shell", "gecos", "passwd", NULL
+};
+
+
+static int Pgetpasswd(lua_State *L) /** getpasswd(name or id) */
+{
+ struct passwd *p=NULL;
+ if (lua_isnoneornil(L, 1))
+ p = getpwuid(geteuid());
+ else if (lua_isnumber(L, 1))
+ p = getpwuid((uid_t)lua_tonumber(L, 1));
+ else if (lua_isstring(L, 1))
+ p = getpwnam(lua_tostring(L, 1));
+ else
+ luaL_typerror(L, 1, "string or number");
+ if (p==NULL)
+ lua_pushnil(L);
+ else
+ doselection(L, 2, Sgetpasswd, Fgetpasswd, p);
+ return 1;
+}
+
+
+static int Pgetgroup(lua_State *L) /** getgroup(name or id) */
+{
+ struct group *g=NULL;
+ if (lua_isnumber(L, 1))
+ g = getgrgid((gid_t)lua_tonumber(L, 1));
+ else if (lua_isstring(L, 1))
+ g = getgrnam(lua_tostring(L, 1));
+ else
+ luaL_typerror(L, 1, "string or number");
+ if (g==NULL)
+ lua_pushnil(L);
+ else
+ {
+ int i;
+ lua_newtable(L);
+ storestring(L, "name", g->gr_name);
+ storenumber(L, "gid", g->gr_gid);
+ for (i=0; g->gr_mem[i] != NULL; i++)
+ storeindex(L, i+1, g->gr_mem[i]);
+ }
+ return 1;
+}
+
+
+static int Psetuid(lua_State *L) /** setuid(name or id) */
+{
+ return pushresult(L, setuid(mygetuid(L, 1)), NULL);
+}
+
+
+static int Psetgid(lua_State *L) /** setgid(name or id) */
+{
+ return pushresult(L, setgid(mygetgid(L, 1)), NULL);
+}
+
+struct mytimes
+{
+ struct tms t;
+ clock_t elapsed;
+};
+
+#define pushtime(L,x) lua_pushnumber(L,((lua_Number)x)/CLOCKS_PER_SEC)
+
+static int Ftimes(lua_State *L, int i, const void *data)
+{
+ const struct mytimes *t=data;
+ switch (i)
+ {
+ case 0: pushtime(L, t->t.tms_utime); break;
+ case 1: pushtime(L, t->t.tms_stime); break;
+ case 2: pushtime(L, t->t.tms_cutime); break;
+ case 3: pushtime(L, t->t.tms_cstime); break;
+ case 4: pushtime(L, t->elapsed); break;
+ }
+ return 1;
+}
+
+static const char *const Stimes[] =
+{
+ "utime", "stime", "cutime", "cstime", "elapsed", NULL
+};
+
+#define storetime(L,name,x) storenumber(L,name,(lua_Number)x/CLOCKS_PER_SEC)
+
+static int Ptimes(lua_State *L) /** times() */
+{
+ struct mytimes t;
+ t.elapsed = times(&t.t);
+ return doselection(L, 1, Stimes, Ftimes, &t);
+}
+
+
+struct mystat
+{
+ struct stat s;
+ char mode[10];
+ const char *type;
+};
+
+static int Fstat(lua_State *L, int i, const void *data)
+{
+ const struct mystat *s=data;
+ switch (i)
+ {
+ case 0: lua_pushstring(L, s->mode); break;
+ case 1: lua_pushnumber(L, s->s.st_ino); break;
+ case 2: lua_pushnumber(L, s->s.st_dev); break;
+ case 3: lua_pushnumber(L, s->s.st_nlink); break;
+ case 4: lua_pushnumber(L, s->s.st_uid); break;
+ case 5: lua_pushnumber(L, s->s.st_gid); break;
+ case 6: lua_pushnumber(L, s->s.st_size); break;
+ case 7: lua_pushnumber(L, s->s.st_atime); break;
+ case 8: lua_pushnumber(L, s->s.st_mtime); break;
+ case 9: lua_pushnumber(L, s->s.st_ctime); break;
+ case 10:lua_pushstring(L, s->type); break;
+ case 11:lua_pushnumber(L, s->s.st_mode); break;
+ }
+ return 1;
+}
+
+static const char *const Sstat[] =
+{
+ "mode", "ino", "dev", "nlink", "uid", "gid",
+ "size", "atime", "mtime", "ctime", "type", "_mode",
+ NULL
+};
+
+static int Pstat(lua_State *L) /** stat(path,[selector]) */
+{
+ struct mystat s;
+ const char *path=luaL_checkstring(L, 1);
+ if (lstat(path,&s.s)==-1) return pusherror(L, path);
+ s.type=filetype(s.s.st_mode);
+ modechopper(s.s.st_mode, s.mode);
+ return doselection(L, 2, Sstat, Fstat, &s);
+}
+
+
+static int Puname(lua_State *L) /** uname([string]) */
+{
+ struct utsname u;
+ luaL_Buffer b;
+ const char *s;
+ if (uname(&u) == -1) return pusherror(L, NULL);
+ luaL_buffinit(L, &b);
+ for (s=luaL_optstring(L, 1, "%s %n %r %v %m"); *s; s++)
+ if (*s!='%')
+ luaL_putchar(&b, *s);
+ else switch (*++s)
+ {
+ case '%': luaL_putchar(&b, *s); break;
+ case 'm': luaL_addstring(&b,u.machine); break;
+ case 'n': luaL_addstring(&b,u.nodename); break;
+ case 'r': luaL_addstring(&b,u.release); break;
+ case 's': luaL_addstring(&b,u.sysname); break;
+ case 'v': luaL_addstring(&b,u.version); break;
+ default: badoption(L, 2, "format", *s); break;
+ }
+ luaL_pushresult(&b);
+ return 1;
+}
+
+
+static const int Kpathconf[] =
+{
+ _PC_LINK_MAX, _PC_MAX_CANON, _PC_MAX_INPUT, _PC_NAME_MAX, _PC_PATH_MAX,
+ _PC_PIPE_BUF, _PC_CHOWN_RESTRICTED, _PC_NO_TRUNC, _PC_VDISABLE,
+ -1
+};
+
+static int Fpathconf(lua_State *L, int i, const void *data)
+{
+ const char *path=data;
+ lua_pushnumber(L, pathconf(path, Kpathconf[i]));
+ return 1;
+}
+
+static const char *const Spathconf[] =
+{
+ "link_max", "max_canon", "max_input", "name_max", "path_max",
+ "pipe_buf", "chown_restricted", "no_trunc", "vdisable",
+ NULL
+};
+
+static int Ppathconf(lua_State *L) /** pathconf(path,[selector]) */
+{
+ const char *path=luaL_checkstring(L, 1);
+ return doselection(L, 2, Spathconf, Fpathconf, path);
+}
+
+
+static const int Ksysconf[] =
+{
+ _SC_ARG_MAX, _SC_CHILD_MAX, _SC_CLK_TCK, _SC_NGROUPS_MAX, _SC_STREAM_MAX,
+ _SC_TZNAME_MAX, _SC_OPEN_MAX, _SC_JOB_CONTROL, _SC_SAVED_IDS, _SC_VERSION,
+ -1
+};
+
+static int Fsysconf(lua_State *L, int i, const void *data)
+{
+ lua_pushnumber(L, sysconf(Ksysconf[i]));
+ return 1;
+}
+
+static const char *const Ssysconf[] =
+{
+ "arg_max", "child_max", "clk_tck", "ngroups_max", "stream_max",
+ "tzname_max", "open_max", "job_control", "saved_ids", "version",
+ NULL
+};
+
+static int Psysconf(lua_State *L) /** sysconf([selector]) */
+{
+ return doselection(L, 1, Ssysconf, Fsysconf, NULL);
+}
+
+static int Pmkstemp(lua_State *L)
+{
+ const char *path;
+ char *dynpath;
+ int fd;
+ FILE **f;
+
+ path = luaL_checkstring(L, 1);
+ if (path == NULL)
+ return 0;
+ dynpath = rstrdup(path);
+ fd = mkstemp(dynpath);
+ f = (FILE**)lua_newuserdata(L, sizeof(FILE*));
+ if (f == NULL) {
+ close(fd);
+ free(dynpath);
+ return 0;
+ }
+ *f = fdopen(fd, "a+");
+ lua_pushstring(L, dynpath);
+ free(dynpath);
+ luaL_getmetatable(L, "FILE*");
+ if (lua_isnil(L, -1)) {
+ lua_pop(L, 1);
+ return luaL_error(L, "FILE* metatable not available "
+ "(io not loaded?)");
+ } else {
+ lua_setmetatable(L, -3);
+ }
+ return 2;
+}
+
+static const luaL_reg R[] =
+{
+ {"access", Paccess},
+ {"chdir", Pchdir},
+ {"chmod", Pchmod},
+ {"chown", Pchown},
+ {"ctermid", Pctermid},
+ {"dir", Pdir},
+ {"errno", Perrno},
+ {"exec", Pexec},
+ {"files", Pfiles},
+ {"fork", Pfork},
+ {"getcwd", Pgetcwd},
+ {"getenv", Pgetenv},
+ {"getgroup", Pgetgroup},
+ {"getlogin", Pgetlogin},
+ {"getpasswd", Pgetpasswd},
+ {"getprocessid", Pgetprocessid},
+ {"kill", Pkill},
+ {"link", Plink},
+ {"mkdir", Pmkdir},
+ {"mkfifo", Pmkfifo},
+ {"mkstemp", Pmkstemp},
+ {"pathconf", Ppathconf},
+ {"putenv", Pputenv},
+ {"readlink", Preadlink},
+ {"rmdir", Prmdir},
+ {"setgid", Psetgid},
+ {"setuid", Psetuid},
+ {"sleep", Psleep},
+ {"stat", Pstat},
+ {"symlink", Psymlink},
+ {"sysconf", Psysconf},
+ {"times", Ptimes},
+ {"ttyname", Pttyname},
+ {"umask", Pumask},
+ {"uname", Puname},
+ {"unlink", Punlink},
+ {"utime", Putime},
+ {"wait", Pwait},
+ {"setenv", Psetenv},
+ {"unsetenv", Punsetenv},
+ {NULL, NULL}
+};
+
+LUALIB_API int luaopen_posix (lua_State *L)
+{
+ luaL_openlib(L, MYNAME, R, 0);
+ lua_pushliteral(L,"version"); /** version */
+ lua_pushliteral(L,MYVERSION);
+ lua_settable(L,-3);
+ return 1;
+}
+
+/* RPM specific overrides for Lua standard library */
+
+static int exit_override(lua_State *L)
+{
+ if (!have_forked)
+ return luaL_error(L, "exit not permitted in this context");
+
+ exit(luaL_optint(L, 1, EXIT_SUCCESS));
+}
+
+static const luaL_reg os_overrides[] =
+{
+ {"exit", exit_override},
+ {NULL, NULL}
+};
+
+int luaopen_rpm_os(lua_State *L)
+{
+ lua_pushvalue(L, LUA_GLOBALSINDEX);
+ luaL_openlib(L, "os", os_overrides, 0);
+ return 0;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 15:05:39 +0000