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/********************************************************************************************
*
* Remove a list of .db databases
* Delete all the files for the given data bases <name>.db ... (there are a couple
* of hidden . files for each DB, and these are removed too.) Do not use "rm" to
* remove a database.
*
* Author: Gene Myers
* Date : July 2013
*
********************************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/stat.h>
#include "DB.h"
static char *Usage = "[-vinf] <old:db|dam> <new:db|dam|dir>";
static int VERBOSE;
static int INQUIRE;
static int NOXFER;
static int FORCE;
static char *op;
static char com[10];
static char *verb;
static char *nroot;
static char *npath;
// We assume this program uses so little code that memory allocation checks are unecessary
static void HANDLER(char *path, char *exten)
{ static char *cat = NULL;
static int max = -1;
int len;
char *r;
len = strlen(path) + strlen(npath) + strlen(nroot) + strlen(exten) + 50;
if (len > max)
{ max = ((int) (1.2*len)) + 100;
cat = (char *) realloc(cat,max+1);
}
r = Root(path,"");
if (*r == '.')
{ sprintf(cat,"%s %s %s/.%s.%s",com,path,npath,nroot,exten);
if (VERBOSE)
fprintf(stderr," %s %s to %s/.%s.%s\n",verb,path,npath,nroot,exten);
}
else
{ sprintf(cat,"%s %s %s/%s.%s",com,path,npath,nroot,exten);
if (VERBOSE)
fprintf(stderr," %s %s to %s/%s.%s\n",verb,path,npath,nroot,exten);
}
system(cat);
free(r);
}
static int check(char *path, char *root)
{ int state;
struct stat B;
state = 0;
if (stat(Catenate(path,"/",root,".db"),&B) == 0)
state += 1;
if (stat(Catenate(path,"/",root,".dam"),&B) == 0)
state += 2;
if (state == 3)
{ fprintf(stderr,"%s: %s refers to both a dam and a db ??\n",Prog_Name,root);
exit (1);
}
return (state);
}
int main(int argc, char *argv[])
{ char *opath;
char *oroot;
int otype, ntype;
struct stat B;
// Process arguments
{ int i, j, k;
int flags[128];
#ifdef MOVE
ARG_INIT("DBmv")
op = "mv";
verb = "Moving";
#else
ARG_INIT("DBcp")
op = "cp";
verb = "Copying";
#endif
j = 1;
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
{ ARG_FLAGS("vinf") }
else
argv[j++] = argv[i];
argc = j;
VERBOSE = flags['v'];
INQUIRE = flags['i'];
NOXFER = flags['n'];
FORCE = flags['f'];
if (argc != 3)
{ fprintf(stderr,"Usage: %s %s\n",Prog_Name,Usage);
exit (1);
}
}
if (INQUIRE | NOXFER | FORCE)
sprintf(com,"%s -%s%s%s",op,INQUIRE?"i":"",NOXFER?"n":"",FORCE?"f":"");
else
sprintf(com,"%s",op);
opath = PathTo(argv[1]);
if (strcmp(argv[1]+(strlen(argv[1])-3),".db") == 0)
oroot = Root(argv[1],".db");
else
oroot = Root(argv[1],".dam");
otype = check(opath,oroot);
if (otype == 0)
{ fprintf(stderr,"%s: %s doesn't refer to a db or a dam\n",Prog_Name,oroot);
exit (1);
}
if (stat(argv[2],&B) == 0 && (B.st_mode & S_IFMT) == S_IFDIR)
{ npath = argv[2];
nroot = oroot;
ntype = otype;
}
else
{ npath = PathTo(argv[2]);
if (strcmp(argv[1]+(strlen(argv[1])-4),".db") == 0)
nroot = Root(argv[2],".db");
else
nroot = Root(argv[2],".dam");
ntype = check(npath,nroot);
if (ntype != 0 && ntype != otype)
{ fprintf(stderr,"%s: one of %s and %s is a db, the other a dam ??\n",
Prog_Name,oroot,nroot);
exit (1);
}
}
if (List_DB_Files(argv[1],HANDLER) < 0)
{ fprintf(stderr,"%s: Could not find database %s\n",Prog_Name,argv[1]);
exit (1);
}
exit (0);
}
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