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vsprintf.c: Always enable CONFIG_SYS_VSNPRINTF

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Enabling this function always removes some class of string saftey issues.
The size change here in general is about 400 bytes and this seems a reasonable
trade-off.

Cc: Peng Fan <peng.fan@nxp.com>
Cc: Peter Robinson <pbrobinson@gmail.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Adrian Alonso <aalonso@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tom Rini
2016-01-14 13:02:03 -05:00
parent 9c11135ce0
commit 947c626dc5
13 changed files with 0 additions and 51 deletions
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12
include/vsprintf.h
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@@ -124,7 +124,6 @@ int sprintf(char *buf, const char *fmt, ...)
int vsprintf(char *buf, const char *fmt, va_list args);
char *simple_itoa(ulong i);
#ifdef CONFIG_SYS_VSNPRINTF
/**
* Format a string and place it in a buffer
*
@@ -199,17 +198,6 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
* See the vsprintf() documentation for format string extensions over C99.
*/
int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
#else
/*
* Use macros to silently drop the size parameter. Note that the 'cn'
* versions are the same as the 'n' versions since the functions assume
* there is always enough buffer space when !CONFIG_SYS_VSNPRINTF
*/
#define snprintf(buf, size, fmt, args...) sprintf(buf, fmt, ##args)
#define scnprintf(buf, size, fmt, args...) sprintf(buf, fmt, ##args)
#define vsnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args)
#define vscnprintf(buf, size, fmt, args...) vsprintf(buf, fmt, ##args)
#endif /* CONFIG_SYS_VSNPRINTF */
/**
* print_grouped_ull() - print a value with digits grouped by ','