From 0a782026f6b19e84ffd44f1ae1b466363474bd30 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Mon, 26 Jul 2010 18:10:07 -0700 Subject: [PATCH] Darwin doesn't have strndup. This provides a private version of this GNU extension. Signed-off-by: Keith Packard --- ao-tools/libaltos/libaltos.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/ao-tools/libaltos/libaltos.c b/ao-tools/libaltos/libaltos.c index 7d471f38..df0d5b2e 100644 --- a/ao-tools/libaltos/libaltos.c +++ b/ao-tools/libaltos/libaltos.c @@ -40,6 +40,26 @@ match_dev(char *product, int serial, struct altos_device *device) return i; } +#ifdef DARWIN +/* Mac OS X don't have strndup even if _GNU_SOURCE is defined */ +static char * +altos_strndup (const char *s, size_t n) +{ + size_t len = strlen (s); + char *ret; + + if (len <= n) + return strdup (s); + ret = malloc(n + 1); + strncpy(ret, s, n); + ret[n] = '\0'; + return ret; +} + +#else +#define altos_strndup strndup +#endif + int altos_find_by_arg(char *arg, char *default_product, struct altos_device *device) { @@ -61,7 +81,7 @@ altos_find_by_arg(char *arg, char *default_product, struct altos_device *device) /* check for : */ colon = strchr(arg, ':'); if (colon) { - product = strndup(arg, colon - arg); + product = altos_strndup(arg, colon - arg); serial = strtol(colon + 1, &end, 0); if (*end != '\0') return 0; -- 2.30.2