Mercurial > repos > dawe > srf2fastq
annotate srf2fastq/io_lib-1.12.2/io_lib/xalloc.c @ 0:d901c9f41a6a default tip
Migrated tool version 1.0.1 from old tool shed archive to new tool shed repository
author | dawe |
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date | Tue, 07 Jun 2011 17:48:05 -0400 |
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Migrated tool version 1.0.1 from old tool shed archive to new tool shed repository
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1 /* |
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2 * Copyright (c) Medical Research Council 1994. All rights reserved. |
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3 * |
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4 * Permission to use, copy, modify and distribute this software and its |
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5 * documentation for any purpose is hereby granted without fee, provided that |
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6 * this copyright and notice appears in all copies. |
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7 * |
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8 * This file was written by James Bonfield, Simon Dear, Rodger Staden, |
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9 * as part of the Staden Package at the MRC Laboratory of Molecular |
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10 * Biology, Hills Road, Cambridge, CB2 2QH, United Kingdom. |
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11 * |
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12 * MRC disclaims all warranties with regard to this software. |
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13 */ |
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14 |
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15 /* |
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16 * Our own memory alloc routines that output error messages as appropriate |
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17 * for us. Could also be done as macros, but hopefully there are no tight |
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18 * using malloc many times so efficiency shouldn't be a problem. |
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19 * |
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20 * This also allows for dropping in a debugging malloc as we're intercepting |
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21 * all alloc & free commands. |
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22 */ |
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23 |
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24 #include <stdio.h> |
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25 #include <stdlib.h> |
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26 #include <errno.h> |
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27 #include "io_lib/error.h" |
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28 |
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29 void *xmalloc(size_t size) { |
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30 void *c = malloc(size); |
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31 |
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32 if (NULL == c) { |
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33 errout("Not enough memory.\n"); |
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34 return NULL; |
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35 } |
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36 |
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37 return c; |
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38 } |
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39 |
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40 void *xrealloc(void *ptr, size_t size) { |
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41 void *c; |
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42 |
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43 /* |
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44 * realloc _should_ allocate memory for us when ptr is NULL. |
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45 * Unfortunately this is not the case with the non-ANSI conformant |
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46 * C library provided with SunOS4.1 |
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47 */ |
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48 if (ptr) |
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49 c = realloc(ptr, size); |
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50 else |
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51 c = malloc(size); |
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52 |
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53 if (NULL == c) { |
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54 errout("Not enough memory.\n"); |
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55 return NULL; |
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56 } |
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57 |
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58 return c; |
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59 } |
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60 |
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61 void *xcalloc(size_t num, size_t size) { |
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62 void *c = calloc(num, size); |
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63 |
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64 if (NULL == c) { |
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65 errout("Not enough memory.\n"); |
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66 return NULL; |
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67 } |
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68 |
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69 return c; |
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70 } |
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71 |
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72 void xfree(void *ptr) { |
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73 free(ptr); |
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74 } |