diplodocus.org Git - nmh/blob - h/utils.h

   1
   2 /*
   3  * utils.h -- utility prototypes
   4  */
   5
   6 void *mh_xmalloc(size_t);
   7 void *mh_xrealloc(void *, size_t);
   8 char *pwd(void);
   9 char *add(const char *, char *);
  10 char *addlist(char *, const char *);
  11 int folder_exists(const char *);
  12 void create_folder(char *, int, void (*)(int));
  13 int num_digits(int);
  14
  15 /*
  16  * A vector of char array, used to hold a list of string message numbers
  17  * or command arguments.
  18  */
  19
  20 struct msgs_array {
  21         int max, size;
  22         char **msgs;
  23 };
  24
  25 /*
  26  * Same as msgs_array, but for a vector of ints
  27  */
  28
  29 struct msgnum_array {
  30         int max, size;
  31         int *msgnums;
  32 };
  33
  34 /*
  35  * Add a argument to the given msgs_array or msgnum_array structure; extend
  36  * the array size if necessary
  37  */
  38
  39 void app_msgarg(struct msgs_array *, char *);
  40 void app_msgnum(struct msgnum_array *, int);
  41
  42 int open_form(char **, char *);
  43 char *find_str (const char [], size_t, const char *);
  44 char *rfind_str (const char [], size_t, const char *);
  45 char *nmh_strcasestr (const char *, const char *);
  46
  47 /*
  48  * See if a string contains 8 bit characters (use isascii() for the test).
  49  * Arguments include:
  50  *
  51  * start        - Pointer to start of string to test.
  52  * end          - End of string to test (test will stop before reaching
  53  *                this point).  If NULL, continue until reaching '\0'.
  54  *
  55  * This function always stops at '\0' regardless of the value of 'end'.
  56  * Returns 1 if the string contains an 8-bit character, 0 if it does not.
  57  */
  58 int contains8bit(const char *start, const char *end);