diff options
| author | spew <devnull@localhost> | 2018-06-21 11:56:37 -0400 |
|---|---|---|
| committer | spew <devnull@localhost> | 2018-06-21 11:56:37 -0400 |
| commit | 55c122d59f504ae48f834b3299484ef4f56283d6 (patch) | |
| tree | 4171a2644362bd9631aebc8edb5dc66b4da3c50d /sys/src/ape | |
| parent | 3b376b43af24f8013d330eb2eb9c3b78849bb7c3 (diff) | |
ape: add strnlen
Diffstat (limited to 'sys/src/ape')
| -rw-r--r-- | sys/src/ape/lib/ap/gen/mkfile | 1 | ||||
| -rw-r--r-- | sys/src/ape/lib/ap/gen/strlen.c | 1 | ||||
| -rw-r--r-- | sys/src/ape/lib/ap/gen/strnlen.c | 11 |
3 files changed, 12 insertions, 1 deletions
diff --git a/sys/src/ape/lib/ap/gen/mkfile b/sys/src/ape/lib/ap/gen/mkfile index 6594587f4..54ff7a617 100644 --- a/sys/src/ape/lib/ap/gen/mkfile +++ b/sys/src/ape/lib/ap/gen/mkfile @@ -43,6 +43,7 @@ ALLOFILES=\ strncat.$O\ strncmp.$O\ strncpy.$O\ + strnlen.$O\ strpbrk.$O\ strrchr.$O\ strspn.$O\ diff --git a/sys/src/ape/lib/ap/gen/strlen.c b/sys/src/ape/lib/ap/gen/strlen.c index e339cb16b..02632a6a3 100644 --- a/sys/src/ape/lib/ap/gen/strlen.c +++ b/sys/src/ape/lib/ap/gen/strlen.c @@ -3,6 +3,5 @@ size_t strlen(const char *s) { - return strchr(s, 0) - s; } diff --git a/sys/src/ape/lib/ap/gen/strnlen.c b/sys/src/ape/lib/ap/gen/strnlen.c new file mode 100644 index 000000000..880d2eb59 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strnlen.c @@ -0,0 +1,11 @@ +#include <string.h> + +size_t +strnlen(const char *s, size_t maxlen) +{ + size_t i; + + for (i = 0; i < maxlen && s[i] != '\0'; i++) + ; + return i; +} |