helper/array.c

   1 /**
   2  * \file array.h
   3  * \author Michal Čihař
   4  *
   5  * String arrays handling code.
   6  */
   7
   8 #include "array.h"
   9
  10 #include <stdlib.h>
  11 #include <string.h>
  12
  13 void GSM_StringArray_New(GSM_StringArray *array)
  14 {
  15         array->used = 0;
  16         array->allocated = 0;
  17         array->data = NULL;
  18 }
  19
  20 void GSM_StringArray_Free(GSM_StringArray *array)
  21 {
  22         size_t i;
  23         for (i = 0; i < array->used; i++) {
  24                 free(array->data[i]);
  25         }
  26         free(array->data);
  27         GSM_StringArray_New(array);
  28 }
  29
  30 gboolean GSM_StringArray_Add(GSM_StringArray *array, const char *string)
  31 {
  32         char **newdata;
  33
  34         /* Allocate extra space if needed */
  35         if (array->used + 1 > array->allocated) {
  36                 newdata = realloc(array->data, (array->allocated + 10) * sizeof(char **));
  37                 if (newdata == NULL) return FALSE;
  38                 array->allocated += 10;
  39                 array->data = newdata;
  40         }
  41
  42         array->data[array->used] = strdup(string);
  43         if (array->data[array->used] == NULL) return FALSE;
  44
  45         array->used++;
  46
  47         return TRUE;
  48 }
  49
  50 gboolean GSM_StringArray_Find(GSM_StringArray *array, const char *string)
  51 {
  52         size_t i;
  53         for (i = 0; i < array->used; i++) {
  54                 if (strcmp(array->data[i], string) == 0) return TRUE;
  55         }
  56         return FALSE;
  57 }
  58
  59 /* Editor configuration
  60  * vim: noexpandtab sw=8 ts=8 sts=8 tw=72:
  61  */
  62