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Move [v]ssnprintf() from iscsi.c into vsprintf.c; we need them

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elsewhere as well.
This commit is contained in:
Michael Brown 2007-05-31 13:26:50 +00:00
parent a6a18ae9af
commit 335b99a39d
3 changed files with 44 additions and 26 deletions
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39
src/core/vsprintf.c
View File

@ -338,6 +338,45 @@ int snprintf ( char *buf, size_t size, const char *fmt, ... ) {
return i;
}
/**
* Version of vsnprintf() that accepts a signed buffer size
*
* @v buf Buffer into which to write the string
* @v size Size of buffer
* @v fmt Format string
* @v args Arguments corresponding to the format string
* @ret len Length of formatted string
*/
int vssnprintf ( char *buf, ssize_t ssize, const char *fmt, va_list args ) {
/* Treat negative buffer size as zero buffer size */
if ( ssize < 0 )
ssize = 0;
/* Hand off to vsnprintf */
return vsnprintf ( buf, ssize, fmt, args );
}
/**
* Version of vsnprintf() that accepts a signed buffer size
*
* @v buf Buffer into which to write the string
* @v size Size of buffer
* @v fmt Format string
* @v ... Arguments corresponding to the format string
* @ret len Length of formatted string
*/
int ssnprintf ( char *buf, ssize_t ssize, const char *fmt, ... ) {
va_list args;
int len;
/* Hand off to vssnprintf */
va_start ( args, fmt );
len = vssnprintf ( buf, ssize, fmt, args );
va_end ( args );
return len;
}
/**
* Write character to console
*

4
src/include/gpxe/vsprintf.h
View File

@ -64,4 +64,8 @@ struct printf_context {
extern size_t vcprintf ( struct printf_context *ctx, const char *fmt,
va_list args );
extern int vssnprintf ( char *buf, ssize_t ssize, const char *fmt,
va_list args );
extern int ssnprintf ( char *buf, ssize_t ssize, const char *fmt, ... );
#endif /* _GPXE_VSPRINTF_H */

27
src/net/tcp/iscsi.c
View File

@ -23,6 +23,7 @@
#include <errno.h>
#include <assert.h>
#include <byteswap.h>
#include <gpxe/vsprintf.h>
#include <gpxe/scsi.h>
#include <gpxe/process.h>
#include <gpxe/uaccess.h>
@ -348,32 +349,6 @@ static void iscsi_tx_data_out ( struct iscsi_session *iscsi,
*
*/
/**
* Version of snprintf() that accepts a signed buffer size
*
* @v buf Buffer into which to write the string
* @v size Size of buffer
* @v fmt Format string
* @v args Arguments corresponding to the format string
* @ret len Length of formatted string
*
* This is a utility function for iscsi_build_login_request_strings().
*/
static int ssnprintf ( char *buf, ssize_t ssize, const char *fmt, ... ) {
va_list args;
int len;
/* Treat negative buffer size as zero buffer size */
if ( ssize < 0 )
ssize = 0;
/* Hand off to vsnprintf */
va_start ( args, fmt );
len = vsnprintf ( buf, ssize, fmt, args );
va_end ( args );
return len;
}
/**
* Build iSCSI login request strings
*