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Implement a much more capable vuprintf()

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New support as well as some buggy support fixed.

Still no floating point support if ever that would be desired.

Support (*):
* Flags: '-', '+', ' ', '#', '0'

* Width and precision: 'n', '.n', '*' and '.*'

* Length modifiers: 'hh', 'h', 'j', 'l', 'll', 't', 'z'

* Radix: 'c', 'd', 'i', 'n', 'o', 'p/P', 's', 'u', 'x/X'

(*) Provision exists to switch lesser-used stuff on or off or when
certain functionality isn't desired (bootloader?). The compulsory
radixes are everything but 'o', 'n', 'p/P' and 'x/X' with length
modifiers being optional. The default setup is 'l', 'z', 'c', 'd',
'p/P', 's', 'u', 'x/X'.

* Move fdprintf() to its own file. It was in a strange place.

* Make callers compatible and fix a couple snprintf() bugs while
at it.

Could smush it down in size but I'm gonna get over the binsize
neurosis and just the let optimizer do its thing.

Change-Id: Ibdc613a9b6775802c188b29b9dd46c568c94f7c3
This commit is contained in:
Michael Sevakis 2017-09-08 19:28:02 -04:00
parent 52af55eee8
commit 5c9688961e
8 changed files with 1129 additions and 337 deletions
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12
firmware/logf.c
View file

@ -38,7 +38,7 @@
#endif
#include "logf.h"
#include "serial.h"
#include "format.h"
#include "vuprintf.h"
#ifdef HAVE_USBSTACK
#include "usb_core.h"
@ -193,7 +193,7 @@ static void check_logfindex(void)
}
}
static int logf_push(void *userp, unsigned char c)
static int logf_push(void *userp, int c)
{
(void)userp;
@ -210,7 +210,7 @@ static int logf_push(void *userp, unsigned char c)
}
#endif
return true;
return 1;
}
void _logf(const char *fmt, ...)
@ -310,7 +310,7 @@ void logf_panic_dump(int *y)
#endif
#ifdef ROCKBOX_HAS_LOGDISKF
static int logdiskf_push(void *userp, unsigned char c)
static int logdiskf_push(void *userp, int c)
{
(void)userp;
@ -319,11 +319,11 @@ static int logdiskf_push(void *userp, unsigned char c)
{
strcpy(&logdiskfbuffer[logdiskfindex-8], "LOGFULL");
logdiskfindex=MAX_LOGDISKF_SIZE;
return false;
return 0;
}
logdiskfbuffer[logdiskfindex++] = c;
return true;
return 1;
}
static void flush_buffer(void);