aboutsummaryrefslogtreecommitdiff
path: root/string
diff options
context:
space:
mode:
Diffstat (limited to 'string')
-rw-r--r--string/Makefile2
-rw-r--r--string/Versions3
-rw-r--r--string/string.h13
3 files changed, 15 insertions, 3 deletions
diff --git a/string/Makefile b/string/Makefile
index 9de1111f55..ca823f42dc 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -31,7 +31,7 @@ routines := strcat strchr strcmp strcoll strcpy strcspn \
strncat strncmp strncpy \
strrchr strpbrk strsignal strspn strstr strtok \
strtok_r strxfrm memchr memcmp memmove memset \
- mempcpy bcopy bzero ffs stpcpy stpncpy \
+ mempcpy bcopy bzero ffs ffsll stpcpy stpncpy \
strcasecmp strncase strcasecmp_l strncase_l \
memccpy memcpy wordcopy strsep strcasestr \
swab strfry memfrob memmem \
diff --git a/string/Versions b/string/Versions
index 977413902d..32d0123e40 100644
--- a/string/Versions
+++ b/string/Versions
@@ -44,6 +44,9 @@ libc {
# functions used in other libraries
__strcasestr;
+ # f*
+ ffsl; ffsll;
+
# m*
mempcpy;
diff --git a/string/string.h b/string/string.h
index 409fa99283..8f863b887c 100644
--- a/string/string.h
+++ b/string/string.h
@@ -234,8 +234,17 @@ extern char *rindex __P ((__const char *__s, int __c));
/* Return the position of the first bit set in I, or 0 if none are set.
The least-significant bit is position 1, the most-significant 32. */
-extern int __ffs __P ((int __i));
-extern int ffs __P ((int __i));
+extern int __ffs __P ((int __i)) __attribute__ ((const));
+extern int ffs __P ((int __i)) __attribute__ ((const));
+
+/* The following two functions are non-standard but necessary for non-32 bit
+ platforms. */
+# ifdef __USE_GNU
+extern int ffsl __P ((long int __l)) __attribute__ ((const));
+# ifdef __GNUC__
+extern int ffsll __P ((long long int __ll)) __attribute__ ((const));
+# endif
+# endif
/* Compare S1 and S2, ignoring case. */
extern int __strcasecmp __P ((__const char *__s1, __const char *__s2));