Commit 56d68a3c authored by Willy Tarreau's avatar Willy Tarreau Committed by Paul E. McKenney
Browse files

tools/nolibc/stdlib: move ltoa() to stdlib.h 



This function is not standard and performs the opposite of atol(). Let's
move it with atol(). It's been split between a reentrant function and one
using a static buffer.

There's no more definition in nolibc.h anymore now.

Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent eba6d00d

tools/include/nolibc/nolibc.h

+0 −22
Original line number Diff line number Diff line
@@ -94,26 +94,4 @@ 
/* Used by programs to avoid std includes */

#define NOLIBC



static __attribute__((unused))

const char *ltoa(long in)

{

	/* large enough for -9223372036854775808 */

	static char buffer[21];

	char       *pos = buffer + sizeof(buffer) - 1;

	int         neg = in < 0;

	unsigned long n = neg ? -in : in;



	*pos-- = '\0';

	do {

		*pos-- = '0' + n % 10;

		n /= 10;

		if (pos < buffer)

			return pos + 1;

	} while (n);



	if (neg)

		*pos-- = '-';

	return pos + 1;

}



#endif /* _NOLIBC_H */

tools/include/nolibc/stdlib.h

+32 −0
Original line number Diff line number Diff line
@@ -45,6 +45,38 @@ int atoi(const char *s) 
	return atol(s);

}



/* performs the opposite of atol() using a user-fed buffer. The buffer must be

 * at least 21 bytes long (large enough for "-9223372036854775808").

 */

static __attribute__((unused))

const char *ltoa_r(long in, char *buffer)

{

	char       *pos = buffer + 21 - 1;

	int         neg = in < 0;

	unsigned long n = neg ? -in : in;



	*pos-- = '\0';

	do {

		*pos-- = '0' + n % 10;

		n /= 10;

		if (pos < buffer)

			return pos + 1;

	} while (n);



	if (neg)

		*pos-- = '-';

	return pos + 1;

}



/* performs the opposite of atol() using a statically allocated buffer */

static __attribute__((unused))

const char *ltoa(long in)

{

	/* large enough for -9223372036854775808 */

	static char buffer[21];

	return ltoa_r(in, buffer);

}



static __attribute__((unused))

int msleep(unsigned int msecs)

{