Mercurial > hg > nginx-quic

comparison src/core/ngx_string.h @ 3644:5d3282cfc43c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix a bug when ngx_cpymem() returns a cast type: p = (type *) ngx_cpymem(...)
author Igor Sysoev <igor@sysoev.ru>
date Thu, 24 Jun 2010 15:17:06 +0000
parents 6802ba529ec4
children 7224d008faaf
comparison
equal deleted inserted replaced
3643:762712d69672 3644:5d3282cfc43c
87 87
88 88
89 #if (NGX_MEMCPY_LIMIT) 89 #if (NGX_MEMCPY_LIMIT)
90 90
91 void *ngx_memcpy(void *dst, void *src, size_t n); 91 void *ngx_memcpy(void *dst, void *src, size_t n);
92 #define ngx_cpymem(dst, src, n) ((u_char *) ngx_memcpy(dst, src, n)) + (n) 92 #define ngx_cpymem(dst, src, n) (((u_char *) ngx_memcpy(dst, src, n)) + (n))
93 93
94 #else 94 #else
95 95
96 /* 96 /*
97 * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". 97 * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs".
98 * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. 98 * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es.
99 * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. 99 * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves.
100 */ 100 */
101 #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n) 101 #define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n)
102 #define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + (n) 102 #define ngx_cpymem(dst, src, n) (((u_char *) memcpy(dst, src, n)) + (n))
103 103
104 #endif 104 #endif
105 105
106 106
107 #if ( __INTEL_COMPILER >= 800 ) 107 #if ( __INTEL_COMPILER >= 800 )