Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(414)

Side by Side Diff: fusl/src/string/strlcpy.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
1 #define _BSD_SOURCE 1 #define _BSD_SOURCE
2 #include <string.h> 2 #include <string.h>
3 #include <stdint.h> 3 #include <stdint.h>
4 #include <limits.h> 4 #include <limits.h>
5 #include "libc.h" 5 #include "libc.h"
6 6
7 #define ALIGN (sizeof(size_t)-1) 7 #define ALIGN (sizeof(size_t) - 1)
8 #define ONES ((size_t)-1/UCHAR_MAX) 8 #define ONES ((size_t)-1 / UCHAR_MAX)
9 #define HIGHS (ONES * (UCHAR_MAX/2+1)) 9 #define HIGHS (ONES * (UCHAR_MAX / 2 + 1))
10 #define HASZERO(x) ((x)-ONES & ~(x) & HIGHS) 10 #define HASZERO(x) ((x)-ONES & ~(x)&HIGHS)
11 11
12 size_t strlcpy(char *d, const char *s, size_t n) 12 size_t strlcpy(char* d, const char* s, size_t n) {
13 { 13 char* d0 = d;
14 » char *d0 = d; 14 size_t* wd;
15 » size_t *wd; 15 const size_t* ws;
16 » const size_t *ws;
17 16
18 » if (!n--) goto finish; 17 if (!n--)
19 » if (((uintptr_t)s & ALIGN) == ((uintptr_t)d & ALIGN)) { 18 goto finish;
20 » » for (; ((uintptr_t)s & ALIGN) && n && (*d=*s); n--, s++, d++); 19 if (((uintptr_t)s & ALIGN) == ((uintptr_t)d & ALIGN)) {
21 » » if (n && *s) { 20 for (; ((uintptr_t)s & ALIGN) && n && (*d = *s); n--, s++, d++)
22 » » » wd=(void *)d; ws=(const void *)s; 21 ;
23 » » » for (; n>=sizeof(size_t) && !HASZERO(*ws); 22 if (n && *s) {
24 » » » n-=sizeof(size_t), ws++, wd++) *wd = *ws; 23 wd = (void*)d;
25 » » » d=(void *)wd; s=(const void *)ws; 24 ws = (const void*)s;
26 » » } 25 for (; n >= sizeof(size_t) && !HASZERO(*ws);
27 » } 26 n -= sizeof(size_t), ws++, wd++)
28 » for (; n && (*d=*s); n--, s++, d++); 27 *wd = *ws;
29 » *d = 0; 28 d = (void*)wd;
29 s = (const void*)ws;
30 }
31 }
32 for (; n && (*d = *s); n--, s++, d++)
33 ;
34 *d = 0;
30 finish: 35 finish:
31 » return d-d0 + strlen(s); 36 return d - d0 + strlen(s);
32 } 37 }
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698