shithub: npe

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isatty, gmtime, isfinite, signbit (WRONG), ERANGE

--- a/include/npe/errno.h

+++ b/include/npe/errno.h

@@ -5,6 +5,7 @@

 enum {

 	ENOENT = 2,

+	ERANGE = 34,

 };

 extern int errno;

--- a/include/npe/math.h

+++ b/include/npe/math.h

@@ -49,4 +49,8 @@

 int isinf(double d);

 int isnormal(double d);

+#define isfinite(x) (!isinf(x))

+/* FIXME this is totally wrong */

+#define signbit(x) (x == -0.0 || x < 0.0)

+

 #endif

--- a/include/npe/time.h

+++ b/include/npe/time.h

@@ -21,6 +21,8 @@

 #define localtime npe_localtime

 struct tm *npe_localtime(time_t *timep);

+#define gmtime npe_gmtime

+struct tm *npe_gmtime(time_t *timep);

 size_t strftime(char *s, size_t max, const char *format, const struct tm *tm);

 time_t mktime(struct tm *tm);

--- a/include/npe/unistd.h

+++ b/include/npe/unistd.h

@@ -51,5 +51,6 @@

 int npe_stat(char *filename, struct stat *buf);

 int access(char *name, int mode);

 void usleep(useconds_t us);

+int isatty(int fd);

 #endif

--- /dev/null

+++ b/libnpe/gmtime.c

@@ -1,0 +1,27 @@

+#include <time.h>

+

+#undef gmtime

+

+static struct tm tm;

+

+struct tm *

+npe_gmtime(time_t *timep)

+{

+	time_t ti;

+	Tm *t;

+

+	ti = timep ? *timep : time(nil);

+	if((t = gmtime(ti)) != nil){

+		tm.tm_sec = t->sec;

+		tm.tm_min = t->min;

+		tm.tm_hour = t->hour;

+		tm.tm_mday = t->mday;

+		tm.tm_mon = t->mon;

+		tm.tm_year = t->year;

+		tm.tm_wday = t->wday;

+		tm.tm_yday = t->yday;

+		tm.tm_isdst = 0; /* FIXME */

+	}

+

+	return &tm;

+}

--- /dev/null

+++ b/libnpe/isatty.c

@@ -1,0 +1,10 @@

+#include <unistd.h>

+#include "_npe.h"

+

+int

+isatty(int fd)

+{

+	char buf[64];

+

+	return fd2path(fd, buf, sizeof(buf)) == 0 && strcmp(buf, "/dev/cons") == 0;

+}

--- a/libnpe/mkfile

+++ b/libnpe/mkfile

@@ -20,9 +20,11 @@

 	fts_set.$O\

 	getenv.$O\

 	gettimeofday.$O\

+	gmtime.$O\

 	iconv.$O\

 	iconv_close.$O\

 	iconv_open.$O\

+	isatty.$O\

 	isinf.$O\

 	isnormal.$O\

 	localtime.$O\