1 | /*
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2 | * $Id$
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3 | *
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4 | * Code (c)2006 Bruno Cornec <bruno@mondorescue.org>
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5 | *
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6 | * Main file of mr_mem : a very small and simple
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7 | * library for memory management
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8 | *
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9 | * Provided under the GPLv2
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10 | */
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11 |
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12 | #include <stdio.h>
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13 | #include <stdlib.h>
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14 |
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15 | #include "mr_err.h"
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16 | #include "mr_msg.h"
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17 |
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18 | /*
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19 | * Function that frees memory if necessary
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20 | */
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21 | void mr_free(void *allocated) {
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22 |
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23 | /* free man pages says that if allocated is NULL
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24 | * nothing happens
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25 | */
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26 | free(allocated);
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27 | allocated = NULL;
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28 | }
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29 |
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30 | /* encapsulation function for malloc */
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31 | void *mr_malloc(size_t size) {
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32 |
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33 | void *ret;
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34 |
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35 | ret = malloc(size);
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36 | if (ret == NULL) {
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37 | mr_log_exit(-1,"Unable to alloc memory in mr_malloc\nExiting...");
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38 | }
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39 | return(ret);
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40 | }
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41 |
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42 | /* encapsulation function for getline */
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43 | void mr_getline(char **lineptr, size_t *n, FILE *stream) {
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44 |
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45 | ssize_t ret;
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46 |
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47 | ret = getline(lineptr,n,stream);
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48 | if (ret == -1) {
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49 | mr_log_exit(-1,"Unable to alloc memory in mr_getline\nExiting...");
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50 | }
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51 | }
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52 |
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53 | /* encapsulation function for asprintf */
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54 | void mr_asprintf(char **strp, const char *fmt, va_list args) {
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55 |
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56 | int res = 0;
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57 |
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58 | res = vasprintf(strp, fmt, args);
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59 | if (res == -1) {
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60 | mr_log_exit(-1,"Unable to alloc memory in mr_asprintf\nExiting...");
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61 | }
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62 | }
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63 |
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64 | /*
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65 | * Function that properly allocates a string from another one
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66 | * freeing it before in any case
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67 | */
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68 | void mr_allocstr(char *alloc, const char *orig) {
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69 |
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70 | mr_free((void *)alloc);
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71 | mr_asprintf(&alloc, orig);
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72 | }
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