[1054] | 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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[1064] | 12 | #ifndef _GNU_SOURCE
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| 13 | #define _GNU_SOURCE
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| 14 | #endif
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| 15 |
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[1054] | 16 | #include <stdio.h>
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| 17 | #include <stdlib.h>
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| 18 |
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| 19 | #include "mr_err.h"
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| 20 | #include "mr_msg.h"
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| 21 |
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| 22 | /*
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| 23 | * Function that frees memory if necessary
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| 24 | */
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| 25 | void mr_free(void *allocated) {
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| 26 |
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| 27 | /* free man pages says that if allocated is NULL
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| 28 | * nothing happens
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| 29 | */
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| 30 | free(allocated);
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| 31 | allocated = NULL;
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| 32 | }
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| 33 |
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| 34 | /* encapsulation function for malloc */
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| 35 | void *mr_malloc(size_t size) {
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| 36 |
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| 37 | void *ret;
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| 38 |
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| 39 | ret = malloc(size);
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| 40 | if (ret == NULL) {
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| 41 | mr_log_exit(-1,"Unable to alloc memory in mr_malloc\nExiting...");
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| 42 | }
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| 43 | return(ret);
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| 44 | }
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| 45 |
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| 46 | /* encapsulation function for getline */
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| 47 | void mr_getline(char **lineptr, size_t *n, FILE *stream) {
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| 48 |
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| 49 | ssize_t ret;
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| 50 |
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| 51 | ret = getline(lineptr,n,stream);
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| 52 | if (ret == -1) {
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| 53 | mr_log_exit(-1,"Unable to alloc memory in mr_getline\nExiting...");
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| 54 | }
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| 55 | }
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| 56 |
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| 57 | /* encapsulation function for asprintf */
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[1064] | 58 | void mr_asprintf(char **strp, const char *fmt, ...) {
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[1054] | 59 |
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| 60 | int res = 0;
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[1064] | 61 | va_list args;
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[1054] | 62 |
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[1064] | 63 | va_start(args,fmt);
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[1054] | 64 | res = vasprintf(strp, fmt, args);
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| 65 | if (res == -1) {
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| 66 | mr_log_exit(-1,"Unable to alloc memory in mr_asprintf\nExiting...");
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| 67 | }
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[1064] | 68 | va_end(args);
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[1054] | 69 | }
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| 70 |
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| 71 | /*
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| 72 | * Function that properly allocates a string from another one
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| 73 | * freeing it before in any case
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| 74 | */
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| 75 | void mr_allocstr(char *alloc, const char *orig) {
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| 76 |
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| 77 | mr_free((void *)alloc);
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| 78 | mr_asprintf(&alloc, orig);
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| 79 | }
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