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Annotation of OpenXM/src/kxx/oxlog.c, Revision 1.10

1.10    ! takayama    1: /*$OpenXM: OpenXM/src/kxx/oxlog.c,v 1.9 2001/05/06 07:53:00 takayama Exp $*/
1.1       maekawa     2: #include <stdio.h>
                      3: #include <signal.h>
1.3       takayama    4: #include <string.h>
                      5: #include <stdlib.h>
1.1       maekawa     6: #include <sys/types.h>
                      7: #include <sys/stat.h>
                      8: #include <fcntl.h>
                      9: /* In some distributions of linux you need to include the following file
                     10: #include <linux/sched.h>
                     11: */
                     12: #include <unistd.h>
                     13:
                     14: /* oxlog /usr/X11R6/bin/xterm -icon -e /home/nobuki/kxx/ox
                     15:     0     1                    2     3  4
                     16:          -ox /home/nobuki/kxx/ox_asir
                     17:           5   6
                     18: */
                     19: /* oxlog /home/nobuki/kxx/ox
                     20:     0     1
                     21:          -ox /home/nobuki/kxx/ox_asir  >& /dev/null
                     22:           2     3
                     23: */
1.6       takayama   24: static int Debug_which = 1;
1.10    ! takayama   25: extern char **environ;
1.8       ohara      26:
                     27: /*which("xterm", getenv("PATH"));*/
                     28: char *which(char *prog, char *path_env)
                     29: {
1.9       takayama   30:   extern int Debug_which ;
                     31:   char *tok;
                     32:   char *path;
                     33:   char delim[] = ":";
                     34:   char *e = alloca(strlen(path_env)+1);
                     35:   strcpy(e, path_env);
                     36:   tok = strtok(e, delim);
                     37:   if (Debug_which) {
                     38:     fprintf(stderr, "PATH=%s\n", path_env);
                     39:   }
                     40:   while (tok != NULL) {
                     41:     char *path = malloc(strlen(tok)+strlen(prog)+2);
                     42:     sprintf(path, "%s/%s", tok, prog);
                     43:     if (access(path, X_OK&R_OK) == 0) {
                     44:       if (Debug_which) {
                     45:         fprintf(stderr, "Found: %s\n", path);
                     46:       }
                     47:       return path;
1.8       ohara      48:     }
1.9       takayama   49:     free(path);
                     50:     tok = strtok(NULL, delim);
                     51:   }
                     52:   return NULL;
1.3       takayama   53: }
                     54:
1.8       ohara      55: char *toFullPath(char *s)
                     56: {
1.9       takayama   57:   extern int Debug_which;
                     58:   char *path = "/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin:/usr/openwin/bin:/usr/X/bin";
                     59:   char *s2;
                     60:   if (strlen(s) == 0 || strchr(s, '/') != NULL) {
                     61:     return s;
                     62:   }
                     63:   s2 = which(s, getenv("PATH"));
                     64:   if (s2 == NULL) {
                     65:     if (Debug_which) {
                     66:       fprintf(stderr, "Could not find arg[1] in your search path.\n");
                     67:       fprintf(stderr, "You path is %s.\n", getenv("PATH"));
                     68:       fprintf(stderr, "Trying to find in the path: %s\n", path);
1.8       ohara      69:     }
1.9       takayama   70:     s2 = which(s, path);
                     71:     /* Why? */
                     72:   }
                     73:   return s2;
1.3       takayama   74: }
                     75:
1.8       ohara      76: int main(int argc, char *argv[])
1.3       takayama   77: {
1.9       takayama   78:   sigset_t sss;
                     79:   int i;
                     80:   char *oxname;
                     81:   /* char *env[2];
                     82:      env[0] = NULL;*/
                     83:   sigemptyset(&sss);
                     84:   sigaddset(&sss, SIGINT);
                     85:   sigprocmask(SIG_BLOCK, &sss, NULL);
                     86:   if (argc >= 2) {
                     87:     oxname = toFullPath(argv[1]);
                     88:     if (oxname == NULL) {
                     89:       oxname = "NULL";
                     90:     } /* Why? */
1.10    ! takayama   91:
        !            92:     /*
        !            93:        {
        !            94:          int i;
        !            95:          i=0;
        !            96:          while (environ[i] != NULL) {
        !            97:                fprintf(stderr,"%s ",environ[i++]);
        !            98:          }
        !            99:          fprintf(stderr,"\n");
        !           100:        }
        !           101:     */
        !           102:
        !           103:     execve(oxname, argv+1,environ);
1.8       ohara     104:
1.9       takayama  105:     fprintf(stderr, "\nError in oxlog: Failed to start the process.\n");
                    106:     fprintf(stderr, "oxname=%s\n", oxname);
                    107:     for (i=0; i<argc; i++) {
                    108:       fprintf(stderr, "argv[%d]=%s ", i, argv[i]);
                    109:     }
                    110:     fprintf(stderr, "\n");
                    111:     exit(20);
                    112:   }else {
                    113:     fprintf(stderr, "Error in oxlog: cannot handle argc=%d\n", argc);
                    114:     fprintf(stderr, "oxname=???\n");
                    115:     for (i=0; i<argc; i++) {
                    116:       fprintf(stderr, "argv[%d]=%s ", i, argv[i]);
1.3       takayama  117:     }
1.9       takayama  118:     fprintf(stderr, "\n");
                    119:     fprintf(stderr, "Usage example 1: oxlog /usr/X11R6/bin/xterm -icon -e /home/nobuki/kxx/ox -ox /home/nobuki/kxx/ox_asir\n");
                    120:     fprintf(stderr, "      example 2: oxlog /home/nobuki/kxx/ox -ox /home/nobuki/kxx/ox_asir >& /dev/null\n");
                    121:     exit(10);
                    122:   }
1.1       maekawa   123: }