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Merge "string.h: add __attribute__ ((pure)) to string functions"

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This commit is contained in:
Nick Kralevich 2012-03-21 14:40:41 -07:00 committed by Android (Google) Code Review
commit 891966d020
2 changed files with 21 additions and 19 deletions
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38
libc/include/string.h
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@ -35,54 +35,54 @@
__BEGIN_DECLS
extern void* memccpy(void *, const void *, int, size_t);
extern void* memchr(const void *, int, size_t);
extern void* memrchr(const void *, int, size_t);
extern int memcmp(const void *, const void *, size_t);
extern void* memchr(const void *, int, size_t) __purefunc;
extern void* memrchr(const void *, int, size_t) __purefunc;
extern int memcmp(const void *, const void *, size_t) __purefunc;
extern void* memcpy(void *, const void *, size_t);
extern void* memmove(void *, const void *, size_t);
extern void* memset(void *, int, size_t);
extern void* memmem(const void *, size_t, const void *, size_t);
extern void* memmem(const void *, size_t, const void *, size_t) __purefunc;
extern void memswap(void *, void *, size_t);
extern char* index(const char *, int);
extern char* rindex(const char *, int);
extern char* strchr(const char *, int);
extern char* strrchr(const char *, int);
extern char* index(const char *, int) __purefunc;
extern char* rindex(const char *, int) __purefunc;
extern char* strchr(const char *, int) __purefunc;
extern char* strrchr(const char *, int) __purefunc;
extern size_t strlen(const char *);
extern int strcmp(const char *, const char *);
extern size_t strlen(const char *) __purefunc;
extern int strcmp(const char *, const char *) __purefunc;
extern char* strcpy(char *, const char *);
extern char* strcat(char *, const char *);
extern int strcasecmp(const char *, const char *);
extern int strncasecmp(const char *, const char *, size_t);
extern int strcasecmp(const char *, const char *) __purefunc;
extern int strncasecmp(const char *, const char *, size_t) __purefunc;
extern char* strdup(const char *);
extern char* strstr(const char *, const char *);
extern char* strcasestr(const char *haystack, const char *needle);
extern char* strstr(const char *, const char *) __purefunc;
extern char* strcasestr(const char *haystack, const char *needle) __purefunc;
extern char* strtok(char *, const char *);
extern char* strtok_r(char *, const char *, char**);
extern char* strerror(int);
extern int strerror_r(int errnum, char *buf, size_t n);
extern size_t strnlen(const char *, size_t);
extern size_t strnlen(const char *, size_t) __purefunc;
extern char* strncat(char *, const char *, size_t);
extern char* strndup(const char *, size_t);
extern int strncmp(const char *, const char *, size_t);
extern int strncmp(const char *, const char *, size_t) __purefunc;
extern char* strncpy(char *, const char *, size_t);
extern size_t strlcat(char *, const char *, size_t);
extern size_t strlcpy(char *, const char *, size_t);
extern size_t strcspn(const char *, const char *);
extern char* strpbrk(const char *, const char *);
extern size_t strcspn(const char *, const char *) __purefunc;
extern char* strpbrk(const char *, const char *) __purefunc;
extern char* strsep(char **, const char *);
extern size_t strspn(const char *, const char *);
extern char* strsignal(int sig);
extern int strcoll(const char *, const char *);
extern int strcoll(const char *, const char *) __purefunc;
extern size_t strxfrm(char *, const char *, size_t);
__END_DECLS

2
libc/include/sys/cdefs.h
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@ -306,9 +306,11 @@
#if __GNUC_PREREQ__(2, 96)
#define __noreturn __attribute__((__noreturn__))
#define __mallocfunc __attribute__((malloc))
#define __purefunc __attribute__((pure))
#else
#define __noreturn
#define __mallocfunc
#define __purefunc
#endif
/*