libtecla/common/pcache.c

7  * copy of this software and associated documentation files (the
107   StringGroup *sg;       /* The memory used to record the names of files */
108   size_t files_dim;      /* The allocated size of files[] */
109   char **files;          /* Memory for 'files_dim' pointers to files */
110   size_t nfiles;         /* The number of filenames currently in files[] */
125   CacheMem *mem;    /* The memory used to store dir[] and files[] */
127   int nfile;        /* The number of filenames stored in 'files' */
128   char **files;     /* Files of interest in the current directory, */
148  * files of interest from comma-separated lists of directories.
190  * Scan absolute directories for files of interest, recording their names
191  * in mem->sg and recording pointers to these names in mem->files[].
253  * Specify the amount by which the files[] arrays are to be extended
261  * lookup and completion of selected files in this cache.
309  * Allocate memory for recording names of files in absolute paths.
315  * Allocate memory for recording names of files in relative paths.
346  * files of interest.
356  * Delete a given cache of files, returning the resources that it
413  * types of files, for example executables, or filenames ending in
423  *                          cache. This determines what type of files
425  *                          selecting all files, regardless of type,
437  * statuses of files that were accepted or rejected by the previous
449  * select files of interest.
493  * Build the list of files of interest contained in a given
498  *                          the files that are found in the list of
514   char **fptr;      /* A pointer into pc->abs_mem->files[] */
546  * files of interest in the directory.
553  * pc->abs_mem->files[]. Record pointers to the starts of each
555  * be done in add_PathNode(), because pc->abs_mem->files[] may
559   fptr = pc->abs_mem->files;
561     node->files = fptr;
732   cm->files = NULL;
745   cm->files = (char **) malloc(sizeof(*cm->files) * cm->files_dim);
746   if(!cm->files) {
772     if(cm->files) {
773       free(cm->files);
774       cm->files = NULL;
839   node->files = NULL;
850  * Scan absolute directories for files of interest, recording their names
852  * node->mem->files[] array.
856     if(nfile < 1) {  /* No files matched or an error occurred */
874  * Scan a given directory for files of interest, record their names
875  * in mem->sg and append pointers to them to the mem->files[] array.
883  *  return          int    The number of files recorded, or -1 if a
894  * there are no accessible files of interest in the directory.
899  * Record the names of all files in the directory in the cache.
927  * Make room to store a pointer to the copy in mem->files[].
931       char **files = (char **) realloc(mem->files, sizeof(*mem->files)*needed);
932       if(!files) {
938       mem->files = files;
942  * Record a pointer to the copy of the filename at the end of the files[]
945     mem->files[mem->nfiles++] = copy;
947  * Keep a record of the number of files matched so far.
952  * Sort the list of files into lexical order.
954   qsort(mem->files + mem->nfiles - nfile, nfile, sizeof(*mem->files),
957  * Return the number of files recorded in mem->files[].
982  * Given the simple name of a file, search the cached list of files
991  *  pc     PathCache *  The cached list of files.
1052  * scan it for files of interest.
1058       node->files = node->mem->files;
1071     match = (char **)bsearch(pc->path->name, node->files, node->nfile,
1072 		             sizeof(*node->files), pca_cmp_file);
1293  * scan it for files of interest.
1299       node->files = node->mem->files;
1319       int test = strncmp(node->files[mid]+1, prefix, prefix_len);
1333       while(--bot >= 0 && strncmp(node->files[bot]+1, prefix, prefix_len) == 0)
1336 	    strncmp(node->files[top]+1, prefix, prefix_len) == 0)
1348 	char *match = node->files[bot];
1711 	*node->files[i] = PCA_F_ENIGMA;