libfdt gained a new dependency on strrchr, so copy the implementation
from lib/string.c. Most of the string functions are in assembly, but
stdio.c already has strnlen, so add strrchr there.
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Rob Herring <robh@kernel.org>
return sc - s;
}
+char *strrchr(const char *s, int c)
+{
+ const char *last = NULL;
+ do {
+ if (*s == (char)c)
+ last = s;
+ } while (*s++);
+ return (char *)last;
+}
+
#ifdef __powerpc64__
# define do_div(n, base) ({ \
extern char *strncpy(char *dest, const char *src, size_t n);
extern char *strcat(char *dest, const char *src);
extern char *strchr(const char *s, int c);
+extern char *strrchr(const char *s, int c);
extern int strcmp(const char *s1, const char *s2);
extern int strncmp(const char *s1, const char *s2, size_t n);
extern size_t strlen(const char *s);