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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 "DB.h"
static char *Usage = "[-v] <old:db|dam> <new:db|dam>";
static int VERBOSE;
static char *nroot;
static char *npath;
// We assume this program uses so little code that memory allocation checks are unecessary
static char *Catenate5(char *path, char *sep1, char *root, char *sep2, char *suffix)
{ static char *cat = NULL;
static int max = -1;
int len;
len = strlen(path) + strlen(sep1) + strlen(root) + strlen(sep2) + strlen(suffix);
if (len > max)
{ max = ((int) (1.2*len)) + 100;
cat = (char *) realloc(cat,max+1);
}
sprintf(cat,"%s%s%s%s%s",path,sep1,root,sep2,suffix);
return (cat);
}
static void HANDLER(char *path, char *exten)
{ char *r, *n;
r = Root(path,"");
if (*r == '.')
n = Catenate5(npath,"/.",nroot,".",exten);
else
n = Catenate5(npath,"/",nroot,".",exten);
if (rename(path,n) != 0)
fprintf(stderr,"%s: [WARNING] Couldn't rename file %s\n",Prog_Name,r);
else if (VERBOSE)
fprintf(stderr," Moving %s to %s\n",path,n);
free(r);
}
int main(int argc, char *argv[])
{
// Process arguments
{ int i, j, k;
int flags[128];
ARG_INIT("DBmv")
j = 1;
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
{ ARG_FLAGS("v") }
else
argv[j++] = argv[i];
argc = j;
VERBOSE = flags['v'];
if (argc != 3)
{ fprintf(stderr,"Usage: %s %s\n",Prog_Name,Usage);
exit (1);
}
}
if (strcmp(argv[1]+(strlen(argv[1])-4),".dam") == 0)
nroot = Root(argv[2],".dam");
else
nroot = Root(argv[2],".db");
npath = PathTo(argv[2]);
printf(" From = '%s'\n",argv[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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