88 lines
1.5 KiB
C
88 lines
1.5 KiB
C
#include "namesarchive.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#define INDEX_NOT_FOUND -1
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static char **names = NULL;
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static unsigned int numberOfEntries = 0;
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int addName(const char *name)
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{
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char **oldPtr = names;
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names = realloc(names, sizeof(char*)*(numberOfEntries+1));
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if(names != NULL)
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{
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names[numberOfEntries] = malloc((strlen(name)+1) * sizeof(sizeof(char)));
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if(names[numberOfEntries] != NULL)
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{
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strcpy(names[numberOfEntries], name);
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numberOfEntries++;
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return 1;
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}
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}
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else
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names = oldPtr;
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return 0;
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}
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void printNames()
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{
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for(int i = 0; i < numberOfEntries; i++)
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{
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printf("%s\n", names[i]);
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}
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}
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static int getNameIdx(const char *name)
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{
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for(int i = 0; i < numberOfEntries; i++)
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{
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if(strcmp(name, names[i]) == 0)
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return i;
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}
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return INDEX_NOT_FOUND;
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}
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static void removeAt(int idx)
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{
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for(int i = idx; i < numberOfEntries-1; i++)
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{
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free(names[i]);
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names[i] = names[i+1];
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}
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numberOfEntries--;
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names = realloc(names, numberOfEntries*sizeof(char*));
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}
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int removeName(const char *name)
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{
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int idx = getNameIdx(name);
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if(idx == INDEX_NOT_FOUND)
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{
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return 0;
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}
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else
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{
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removeAt(idx);
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return 1;
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}
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}
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void clearArchive()
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{
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for(int i = 0; i < numberOfEntries; i++)
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{
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free(names[i]);
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names[i] = NULL;
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}
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free(names);
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names = NULL;
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numberOfEntries = 0;
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} |