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