Mercurial > hg > nginx
annotate src/os/unix/ngx_alloc.c @ 6791:cb4a4e9bba8e
Perl: fixed optimization in SSI command handler.
As the pointer to the first argument was tested instead of the argument
itself, array of arguments was always created, even if there were no
arguments. Fix is to test args[0] instead of args.
Found by Coverity (CID 1356862).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 01 Nov 2016 20:39:21 +0300 |
parents | d620f497c50f |
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rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 |
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11 |
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12 ngx_uint_t ngx_pagesize; |
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13 ngx_uint_t ngx_pagesize_shift; |
589 | 14 ngx_uint_t ngx_cacheline_size; |
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15 |
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16 |
501 | 17 void * |
18 ngx_alloc(size_t size, ngx_log_t *log) | |
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19 { |
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20 void *p; |
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21 |
501 | 22 p = malloc(size); |
23 if (p == NULL) { | |
346
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24 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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25 "malloc(%uz) failed", size); |
346
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26 } |
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27 |
461 | 28 ngx_log_debug2(NGX_LOG_DEBUG_ALLOC, log, 0, "malloc: %p:%uz", p, size); |
346
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29 |
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30 return p; |
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31 } |
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32 |
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33 |
501 | 34 void * |
35 ngx_calloc(size_t size, ngx_log_t *log) | |
346
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36 { |
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37 void *p; |
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38 |
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39 p = ngx_alloc(size, log); |
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40 |
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41 if (p) { |
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42 ngx_memzero(p, size); |
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43 } |
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44 |
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45 return p; |
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46 } |
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47 |
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48 |
469 | 49 #if (NGX_HAVE_POSIX_MEMALIGN) |
346
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50 |
501 | 51 void * |
52 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
346
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53 { |
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54 void *p; |
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55 int err; |
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56 |
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57 err = posix_memalign(&p, alignment, size); |
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58 |
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59 if (err) { |
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60 ngx_log_error(NGX_LOG_EMERG, log, err, |
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61 "posix_memalign(%uz, %uz) failed", alignment, size); |
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62 p = NULL; |
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63 } |
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64 |
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65 ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0, |
3327 | 66 "posix_memalign: %p:%uz @%uz", p, size, alignment); |
346
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67 |
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68 return p; |
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69 } |
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70 |
469 | 71 #elif (NGX_HAVE_MEMALIGN) |
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72 |
501 | 73 void * |
74 ngx_memalign(size_t alignment, size_t size, ngx_log_t *log) | |
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75 { |
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76 void *p; |
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77 |
501 | 78 p = memalign(alignment, size); |
79 if (p == NULL) { | |
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80 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, |
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81 "memalign(%uz, %uz) failed", alignment, size); |
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82 } |
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83 |
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84 ngx_log_debug3(NGX_LOG_DEBUG_ALLOC, log, 0, |
3327 | 85 "memalign: %p:%uz @%uz", p, size, alignment); |
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86 |
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87 return p; |
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88 } |
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89 |
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90 #endif |