fuse_kafka: src/string_list.c Source File

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00001 
00007 #include "string_list.h"
00008 #include "util.c"
00009 #define SERVER_LIST_DEFAULT_MAX_SIZE 10
00010 
00016 int string_list_contains(string_list** servers, char* string)
00017 {
00018     int i;
00019     if((*servers) == NULL)
00020         return 0;
00021     for(i = 0; i < (*servers)->size; i++)
00022     {
00023         if(strcmp((*servers)->array[i], string) == 0)
00024             return 1;
00025     }
00026     return 0;
00027 }
00031 int string_list_new(string_list** servers)
00032 {
00033     if(((*servers) = (string_list*) fmalloc(sizeof(string_list))) == NULL)
00034         return 1;
00035     (*servers)->max_size = SERVER_LIST_DEFAULT_MAX_SIZE;
00036     (*servers)->size = 0;
00037     if(((*servers)->array = fcalloc((*servers)->max_size, sizeof(char*)))
00038             == NULL)
00039         return 2;
00040     return 0;
00041 }
00043 void string_list_free(string_list** servers)
00044 {
00045     int i;
00046     if((*servers) == NULL)
00047         return;
00048     if((*servers)->array != NULL)
00049         for(i = 0; i < (*servers)->size; i++)
00050             free((*servers)->array[i]);
00051     free((*servers)->array);
00052     (*servers)->array = NULL;
00053     free((*servers));
00054 }
00059 int string_list_resize(string_list** servers)
00060 {
00061     int new_size = (*servers)->max_size + SERVER_LIST_DEFAULT_MAX_SIZE;
00062     char** new_array;
00063     if((new_array = (char**) frealloc((*servers)->array,
00064                     new_size * sizeof(char*))) == NULL)
00065         return 1;
00066     (*servers)->max_size = new_size;
00067     (*servers)->array = new_array;
00068     return 0;
00069 }
00074 int string_list_add(string_list** servers, char* string)
00075 {
00076     char* str;
00077     if((*servers) == NULL && string_list_new(servers))
00078         return 1;
00079     if((*servers)->size >= (*servers)->max_size &&
00080             string_list_resize(servers))
00081         return 2;
00082     if((str = (char*) fcalloc(strlen(string) + 1, sizeof(char))) == NULL)
00083         return 3;
00084     (*servers)->array[(*servers)->size] = str;
00085     strcpy((*servers)->array[(*servers)->size], string);
00086     (*servers)->size++;
00087     return 0;
00088 }
00096 int string_list_add_once(string_list** servers, char* string)
00097 {
00098     if(string_list_contains(servers, string))
00099         return 0;
00100     if(string_list_add(servers, string))
00101         return 2;
00102     return 1;
00103 }