version 1.6, 2003/07/22 07:39:57 |
version 1.16, 2003/12/04 06:29:21 |
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/* $OpenXM: OpenXM/src/util/ox_pathfinder.c,v 1.5 2003/07/22 03:25:56 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/util/ox_pathfinder.c,v 1.15 2003/12/04 05:27:19 takayama Exp $ */ |
/* Moved from misc-2003/07/cygwin/test.c */ |
/* Moved from misc-2003/07/cygwin/test.c */ |
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#include <stdio.h> |
#include <stdio.h> |
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#include <string.h> |
#include <string.h> |
#include "ox_pathfinder.h" |
#include "ox_pathfinder.h" |
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int OX_P_stdin = -1; |
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int OX_P_stdout = -1; |
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int OX_P_stderr = -1; |
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extern char **environ; |
extern char **environ; |
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static int getOStypei(); |
static int getOStypei(); |
Line 26 static char *get_ox_path(); |
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Line 30 static char *get_ox_path(); |
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static char *get_oxc_path(); |
static char *get_oxc_path(); |
static char *get_oxlog_path(); |
static char *get_oxlog_path(); |
static int getFileSize(char *fn); |
static int getFileSize(char *fn); |
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static void errorPathFinder(char *s); |
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static void msgPathFinder(char *s); |
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static int Verbose_get_home = 0; |
static int Verbose_get_home = 0; |
static int NoX = 0; |
static int NoX = 0; |
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Line 36 static int NoX = 0; |
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Line 41 static int NoX = 0; |
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#define nomemory(a) {fprintf(stderr,"(%d) no more memory.\n",a);exit(10);} |
#define nomemory(a) {fprintf(stderr,"(%d) no more memory.\n",a);exit(10);} |
#define mymalloc(a) sGC_malloc(a) |
#define mymalloc(a) sGC_malloc(a) |
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static void errorPathFinder(char *s) { |
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/* Todo; we need to return the error message to the client if it is used |
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in ox_shell */ |
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fprintf(stderr,"Error: %s",s); |
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} |
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static void msgPathFinder(char *s) { |
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/* Todo; we need to return the error message to the client if it is used |
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in ox_shell */ |
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fprintf(stderr,"Log(ox_pathfinder): %s",s); |
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} |
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int ox_pathfinderNoX(int f) { |
int ox_pathfinderNoX(int f) { |
if (f < 0) return NoX; |
if (f < 0) return NoX; |
NoX = f; |
NoX = f; |
Line 99 static void myforkwait() { |
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Line 115 static void myforkwait() { |
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int status; |
int status; |
int pid; |
int pid; |
int i,j; |
int i,j; |
signal(SIGCHLD,SIG_IGN); |
/* signal(SIGCHLD,SIG_IGN); It is not allowed in posix */ |
pid = wait(&status); |
pid = wait(&status); |
fprintf(stderr,"Child process %d is exiting.\n",pid); |
fprintf(stderr,"Child process %d is exiting.\n",pid); |
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if (pid < 0) { |
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perror("wait"); |
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} |
for (i=0; i<Myforkcp; i++) { |
for (i=0; i<Myforkcp; i++) { |
if (Myforkchildren[i] == pid) { |
if (Myforkchildren[i] == pid) { |
for (j=i; j<Myforkcp-1; j++) { |
for (j=i; j<Myforkcp-1; j++) { |
Line 122 int oxForkExec(char **argv) { |
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Line 141 int oxForkExec(char **argv) { |
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fprintf(stderr,"Cannot fork and exec.\n"); return -1; |
fprintf(stderr,"Cannot fork and exec.\n"); return -1; |
} |
} |
if ((pid = fork()) > 0) { |
if ((pid = fork()) > 0) { |
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oxResetRedirect(); |
if (m&2) { |
if (m&2) { |
/* Do not call singal to turn around a trouble on cygwin. BUG. */ |
/* Do not call singal to turn around a trouble on cygwin. BUG. */ |
}else{ |
}else{ |
Line 143 int oxForkExec(char **argv) { |
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Line 163 int oxForkExec(char **argv) { |
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if (NoX) { |
if (NoX) { |
FILE *null; |
FILE *null; |
null = fopen("/dev/null","wb"); |
null = fopen("/dev/null","wb"); |
dup2(fileno(null),1); |
if (OX_P_stdout >= 0) dup2(OX_P_stdout,1); else dup2(fileno(null),1); |
dup2(fileno(null),2); |
if (OX_P_stderr >= 0) dup2(OX_P_stderr,2); else dup2(fileno(null),2); |
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}else{ |
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if (OX_P_stdout >= 0) dup2(OX_P_stdout,1); |
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if (OX_P_stderr >= 0) dup2(OX_P_stderr,2); |
} |
} |
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if (OX_P_stdin >= 0) dup2(OX_P_stdin,0); |
execve(argv[0],argv,environ); |
execve(argv[0],argv,environ); |
/* This place will never be reached unless execv fails. */ |
/* This place will never be reached unless execv fails. */ |
fprintf(stderr,"oxForkExec fails: "); |
fprintf(stderr,"oxForkExec fails: "); |
Line 158 int oxForkExecBlocked(char **argv) { |
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Line 182 int oxForkExecBlocked(char **argv) { |
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char **eee; |
char **eee; |
int m; |
int m; |
int status; |
int status; |
m = 0; |
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if (argv == NULL) { |
if (argv == NULL) { |
fprintf(stderr,"Cannot fork and exec.\n"); return -1; |
fprintf(stderr,"Cannot fork and exec.\n"); return -1; |
} |
} |
if ((pid = fork()) > 0) { |
if ((pid = fork()) > 0) { |
if (m&2) { |
oxResetRedirect(); |
/* Do not call singal to turn around a trouble on cygwin. BUG. */ |
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}else{ |
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signal(SIGCHLD,myforkwait); /* to kill Zombie */ |
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} |
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Myforkchildren[Myforkcp++] = pid; |
Myforkchildren[Myforkcp++] = pid; |
if (Myforkcp >= MYFORKCP_SIZE-1) { |
if (Myforkcp >= MYFORKCP_SIZE-1) { |
fprintf(stderr,"Child process table is full.\n"); |
fprintf(stderr,"Child process table is full.\n"); |
Myforkcp = 0; |
Myforkcp = 0; |
} |
} |
waitpid(pid,&status,0); /* block */ |
if (waitpid(pid,&status,0) < 0) { /* blocked */ |
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perror("waitpid"); |
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} |
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Myforkcp--; |
return status; |
return status; |
}else{ |
}else{ |
/* close the specified files */ |
/* close the specified files */ |
Line 186 int oxForkExecBlocked(char **argv) { |
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Line 208 int oxForkExecBlocked(char **argv) { |
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if (NoX) { |
if (NoX) { |
FILE *null; |
FILE *null; |
null = fopen("/dev/null","wb"); |
null = fopen("/dev/null","wb"); |
dup2(fileno(null),1); |
if (OX_P_stdout >= 0) dup2(OX_P_stdout,1); else dup2(fileno(null),1); |
dup2(fileno(null),2); |
if (OX_P_stderr >= 0) dup2(OX_P_stderr,2); else dup2(fileno(null),2); |
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}else{ |
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if (OX_P_stdout >= 0) dup2(OX_P_stdout,1); |
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if (OX_P_stderr >= 0) dup2(OX_P_stderr,2); |
} |
} |
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if (OX_P_stdin >= 0) dup2(OX_P_stdin,0); |
execve(argv[0],argv,environ); |
execve(argv[0],argv,environ); |
/* This place will never be reached unless execv fails. */ |
/* This place will never be reached unless execv fails. */ |
fprintf(stderr,"oxForkExecBlock fails: "); |
fprintf(stderr,"oxForkExecBlock fails: "); |
Line 836 char *generateTMPfileName(char *seed) { |
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Line 862 char *generateTMPfileName(char *seed) { |
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struct stat buf; |
struct stat buf; |
int m; |
int m; |
m = stat(fname,&buf); |
m = stat(fname,&buf); |
#if defined(__CYGWIN__) |
if ((m >= 0) && (buf.st_mtime+120 < time(NULL))) { |
#define _POSIX_SOURCE |
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#endif |
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#ifndef _POSIX_SOURCE |
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if ((m >= 0) && (buf.st_mtimespec.tv_sec+120 < time(NULL))) { |
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unlink(fname); |
unlink(fname); |
} |
} |
#else |
} |
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} |
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num = 0; clean=1; prevnum=0; |
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} |
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} |
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} |
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return NULL; |
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} |
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#define MAXTMP2 0xffffff |
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char *generateTMPfileName2(char *seed,char *ext,int usetmp,int win){ |
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char *tmp; |
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char *fname; |
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char *tt; |
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int num; |
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static int prevnum=0; |
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int i; |
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int clean = 0; |
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char *extold; |
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if (ext == NULL) ext=""; |
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else { |
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extold = ext; |
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ext = (char *) mymalloc(strlen(ext)+3); |
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if (ext == NULL) {fprintf(stderr,"No more memory.\n"); return NULL;} |
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strcpy(ext,"."); |
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strcat(ext,extold); |
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} |
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if (usetmp) { |
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tmp = getenv("TMP"); |
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if (tmp == NULL) { |
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tmp = getenv("TEMP"); |
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} |
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if ((tmp == NULL) && (strcmp(getOStypes(),"Windows-native") != 0)) { |
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tmp = "/tmp"; |
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} |
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tmp = winPathToCygwinPath(tmp); |
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}else{ |
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tmp = NULL; |
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} |
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if (tmp != NULL) { |
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fname = (char *)mymalloc(strlen(tmp)+strlen(seed)+40); |
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if (fname == NULL) nomemory(fname); |
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}else{ |
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fname = (char *)mymalloc(strlen(seed)+40); |
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if (fname == NULL) nomemory(fname); |
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} |
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for (num=prevnum+1; num <MAXTMP2; num++) { |
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if (tmp != NULL) { |
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sprintf(fname,"%s/%s-tmp-%d%s",tmp,seed,num,ext); |
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}else{ |
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sprintf(fname,"%s-tmp-%d%s",seed,num,ext); |
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} |
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if (getFileSize(fname) < 0) { |
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prevnum = num; |
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if (win) fname= cygwinPathToWinPath(fname); |
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return fname; |
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} else { |
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if ((num > MAXTMP2-10) && (!clean)) { |
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/* Clean the old garbages. */ |
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for (i=0; i<MAXTMP2; i++) { |
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if (tmp != NULL) { |
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sprintf(fname,"%s/%s-tmp-%d%s",tmp,seed,i,ext); |
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}else{ |
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sprintf(fname,"%s-tmp-%d%s",seed,i,ext); |
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} |
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{ |
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struct stat buf; |
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int m; |
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m = stat(fname,&buf); |
if ((m >= 0) && (buf.st_mtime+120 < time(NULL))) { |
if ((m >= 0) && (buf.st_mtime+120 < time(NULL))) { |
unlink(fname); |
unlink(fname); |
} |
} |
#endif |
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} |
} |
} |
} |
num = 0; clean=1; prevnum=0; |
num = 0; clean=1; prevnum=0; |
Line 857 char *generateTMPfileName(char *seed) { |
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Line 946 char *generateTMPfileName(char *seed) { |
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return NULL; |
return NULL; |
} |
} |
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char *getCppPath(void) { |
char *getCppPath(void) { |
static char *cpp = "/usr/local/bin/cpp"; |
static char *cpp = "/usr/local/bin/cpp"; |
int ostype; |
int ostype; |
Line 885 char *getCppPath(void) { |
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Line 973 char *getCppPath(void) { |
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if (getFileSize(cpp) >= 0) return cpp; |
if (getFileSize(cpp) >= 0) return cpp; |
else return NULL; |
else return NULL; |
} |
} |
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} |
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char *getCommandPath(char *cmdname) |
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{ |
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char *path; |
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char *msg; |
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char *path2; |
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char *ss; |
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int i,j; |
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/* Use /cygdrive format always. */ |
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if (cmdname == NULL) return NULL; |
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if (strlen(cmdname) < 1) { |
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errorPathFinder("getCommandPath: cmdname is an empty string.\n"); |
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return NULL; |
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} |
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if (cmdname[0] == '/') { |
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if (getFileSize(cmdname) >= 0) { /* Todo: isExecutableFile() */ |
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}else{ |
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msg = (char *)mymalloc(strlen(cmdname)+30); |
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sprintf(msg,"getCommandPath: %s is not found."); |
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errorPathFinder(msg); |
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return NULL; |
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} |
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return cmdname; |
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} |
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path = getOpenXM_HOME(); /* It will return /cygdrive for windows. */ |
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if (path != NULL) { |
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path2 = (char *)mymalloc(strlen(path)+5); |
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strcpy(path2,path); |
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strcat(path2,"bin"); |
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ss = oxWhich(cmdname,path2); |
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if (ss != NULL) return ss; |
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} |
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path = (char *)getenv("PATH"); /* Todo: it will not give /cygdrive format*/ |
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ss = oxWhich(cmdname,path); |
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if (ss == NULL) { |
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errorPathFinder("oxWhich_unix: could not find it in the path string.\n"); |
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} |
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return ss; |
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} |
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char *oxWhich(char *cmdname,char *path) { |
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return(oxWhich_unix(cmdname,path)); |
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} |
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char *oxWhich_unix(char *cmdname,char *path) { |
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char *path2; |
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int i,j; |
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if (path == NULL) { |
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return NULL; |
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} |
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path2 = (char *)mymalloc(strlen(path)+strlen(cmdname)+2); |
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for (i=0, j=0; i <= strlen(path); i++) { |
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path2[j] = 0; |
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if ((path[i] == ':') || (path[i] == 0)) { |
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strcat(path2,"/"); strcat(path2,cmdname); |
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if (getFileSize(path2) >= 0) { /* Todo: isExecutableFile() */ |
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return path2; |
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} |
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j = 0; path2[j] = 0; |
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}else{ |
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path2[j] = path[i]; j++; path2[j] = 0; |
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} |
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} |
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return NULL; |
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} |
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char *oxEvalEnvVar(char *s) { |
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int n, i,j; |
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char *es; |
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char *news; |
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int flag,flag2; |
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flag=-1; |
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n = strlen(s); |
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es = (char *)mymalloc(n+1); es[0] = 0; |
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if (es == NULL) nomemory(1); |
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for (i=0; i<n; i++) { |
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if ((s[i] == '$') && (s[i+1] == '{')) { |
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for (j=0; ; j++) { |
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if ((s[i+2+j] == 0) || (s[i+2+j] == '}')) { |
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flag2 = i+2+j+1; |
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break; |
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} |
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es[j] = s[i+2+j]; es[j+1]=0; |
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} |
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if (es[0] != 0) { flag=i; break; } |
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} |
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} |
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if (flag >= 0) { |
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es = (char *)getenv(es); |
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if (es == NULL) es=""; |
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news = (char *) mymalloc(n+5+strlen(es)); |
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if (news == NULL) nomemory(1); |
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j = 0; |
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for (i=0; i<flag; i++) { |
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news[j] = s[i]; j++; |
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} |
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for (i=0; i<strlen(es); i++) { |
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news[j] = es[i]; j++; |
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} |
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for (i=flag2; i<strlen(s); i++) { |
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news[j] = s[i]; j++; |
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} |
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news[j] = 0; |
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return(oxEvalEnvVar(news)); |
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}else{ |
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return(s); |
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} |
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} |
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void oxResetRedirect(void) { |
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if (OX_P_stdin >= 0) close(OX_P_stdin); |
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if (OX_P_stdout >= 0) close(OX_P_stdout); |
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if (OX_P_stderr >= 0) close(OX_P_stderr); |
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OX_P_stdin = OX_P_stdout = OX_P_stderr = -1; |
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} |
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int oxDeleteFile(char *fname) { |
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if (getFileSize(fname) >= 0) { |
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return(unlink(fname)); |
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}else{ |
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return(-1); |
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} |
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} |
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/* This function just kills processes, so if there is a process which |
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uses ox protocol, it is not relevant to use this functions. |
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*/ |
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int oxKillAll(void) { |
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int i; |
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int pid; |
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int status; |
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for (i=0; i<Myforkcp; i++) { |
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pid = Myforkchildren[i]; |
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signal(SIGKILL,myforkwait); |
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} |
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Myforkcp = 0; |
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return(0); |
} |
} |