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sys: shell: work around inlined putchar

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This commit is contained in:
Kaspar Schleiser 2015-09-04 19:32:54 +02:00
parent 7701aed546
commit d7b9053e23
1 changed files with 18 additions and 8 deletions
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26
sys/shell/shell.c
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@ -32,6 +32,16 @@
#include "shell.h"
#include "shell_commands.h"
#ifdef MODULE_NEWLIB
/* use local copy of putchar, as it seems to be inlined,
* enlarging code by 50% */
static void _putchar(int c) {
putchar(c);
}
#else
#define _putchar putchar
#endif
static shell_command_handler_t find_handler(const shell_command_t *command_list, char *command)
{
const shell_command_t *command_lists[] = {
@ -224,8 +234,8 @@ static int readline(char *buf, size_t size)
/* DOS newlines are handled like hitting enter twice, but empty lines are ignored. */
if (c == '\r' || c == '\n') {
*line_buf_ptr = '\0';
putchar('\r');
putchar('\n');
_putchar('\r');
_putchar('\n');
/* return 1 if line is empty, 0 otherwise */
return line_buf_ptr == buf;
@ -239,21 +249,21 @@ static int readline(char *buf, size_t size)
*--line_buf_ptr = '\0';
/* white-tape the character */
putchar('\b');
putchar(' ');
putchar('\b');
_putchar('\b');
_putchar(' ');
_putchar('\b');
}
else {
*line_buf_ptr++ = c;
putchar(c);
_putchar(c);
}
}
}
static inline void print_prompt(void)
{
putchar('>');
putchar(' ');
_putchar('>');
_putchar(' ');
#ifdef MODULE_NEWLIB
fflush(stdout);