File deb2suse_filedups.c of Package deb2suse

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File deb2suse_filedups.c of Package deb2suse

#include <stdio.h>
#include <stdlib.h>
#include <zio.h>
#include <string.h>

static int
cmpstringp (const void *p1, const void *p2)
{
  return strcmp (*(char * const *)p1, *(char * const *)p2);
}

int main(int argc, char **argv)
{
  FILE *contents = fzopen (argv[1], "r");
  FILE *files = fopen (argv[2], "r");
  size_t tmp;
  char *content_l = NULL;

/* read files list */
  int nrfiles = 0;
  int files_a_room = 256;
  char **files_a = malloc (sizeof (char *) * files_a_room);
  do {
    if (getline (&files_a[nrfiles], &tmp, files) == -1)
      break;
    files_a[nrfiles][strlen(files_a[nrfiles])-1] = ' ';
    nrfiles++;
    if (nrfiles > files_a_room)
      {
	files_a_room *= 2;
        files_a = realloc (files_a, sizeof (char *) * files_a_room);
      }
  } while (1);

/* sort it */
  qsort (files_a, nrfiles, sizeof (char *), cmpstringp);

/* now read contents and print out all lines that start with a known file. */
  while (nrfiles > 0
	 && getline (&content_l, &tmp, contents) != -1)
    {
      int res;
      do {
	res = strncmp (content_l, *files_a, strlen (*files_a));
	if (res == 0)
	  fprintf (stdout, "%s", content_l);
	else if (res < 0)
	  break;
	files_a++;
	--nrfiles;
      } while (nrfiles > 0 && res > 0);
    }

return 0;
}

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File deb2suse_filedups.c of Package deb2suse

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