diff options
Diffstat (limited to 'src/pal/src/safecrt/sscanf.c')
| -rw-r--r-- | src/pal/src/safecrt/sscanf.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/src/pal/src/safecrt/sscanf.c b/src/pal/src/safecrt/sscanf.c deleted file mode 100644 index 94b5148875..0000000000 --- a/src/pal/src/safecrt/sscanf.c +++ /dev/null @@ -1,249 +0,0 @@ -// Licensed to the .NET Foundation under one or more agreements. -// The .NET Foundation licenses this file to you under the MIT license. -// See the LICENSE file in the project root for more information. - -/*** -*sscanf.c - read formatted data from string -* - -* -*Purpose: -* defines scanf() - reads formatted data from string -* -*******************************************************************************/ - -#include <string.h> -#include <errno.h> -#include <limits.h> -#include "internal_securecrt.h" - -#include "mbusafecrt_internal.h" - -typedef int (*INPUTFN)(miniFILE *, const unsigned char*, va_list); -typedef int (*WINPUTFN)(miniFILE *, const unsigned short*, va_list); - - -/*** -*static int v[nw]scan_fn([w]inputfn, string, [count], format, ...) -* -*Purpose: -* this is a helper function which is called by the other functions -* in this file - sscanf/swscanf/snscanf etc. It calls either _(w)input or -* _(w)input_s depending on the first parameter. -* -*******************************************************************************/ - -static int __cdecl vscan_fn ( - INPUTFN inputfn, - const char *string, - const char *format, - va_list arglist - ) -{ - miniFILE str; - miniFILE *infile = &str; - int retval; - size_t count = strlen(string); - - _VALIDATE_RETURN( (string != NULL), EINVAL, EOF); - _VALIDATE_RETURN( (format != NULL), EINVAL, EOF); - - infile->_flag = _IOREAD|_IOSTRG|_IOMYBUF; - infile->_ptr = infile->_base = (char *) string; - - if(count>(INT_MAX/sizeof(char))) - { - /* old-style functions allow any large value to mean unbounded */ - infile->_cnt = INT_MAX; - } - else - { - infile->_cnt = (int)count*sizeof(char); - } - - retval = (inputfn(infile, ( const unsigned char* )format, arglist)); - - return(retval); -} - -static int __cdecl vnscan_fn ( - INPUTFN inputfn, - const char *string, - size_t count, - const char *format, - va_list arglist - ) -{ - miniFILE str; - miniFILE *infile = &str; - int retval; - size_t length = strlen(string); - - _VALIDATE_RETURN( (string != NULL), EINVAL, EOF); - _VALIDATE_RETURN( (format != NULL), EINVAL, EOF); - - infile->_flag = _IOREAD|_IOSTRG|_IOMYBUF; - infile->_ptr = infile->_base = (char *) string; - - if ( count > length ) - { - count = length; - } - - if(count>(INT_MAX/sizeof(char))) - { - /* old-style functions allow any large value to mean unbounded */ - infile->_cnt = INT_MAX; - } - else - { - infile->_cnt = (int)count*sizeof(char); - } - - retval = (inputfn(infile, ( const unsigned char* )format, arglist)); - - return(retval); -} - -static int __cdecl vwscan_fn ( - WINPUTFN inputfn, - const wchar_t *string, - const wchar_t *format, - va_list arglist - ) -{ - miniFILE str; - miniFILE *infile = &str; - int retval; - size_t count = wcsnlen(string, INT_MAX); - - _VALIDATE_RETURN( (string != NULL), EINVAL, EOF); - _VALIDATE_RETURN( (format != NULL), EINVAL, EOF); - - infile->_flag = _IOREAD|_IOSTRG|_IOMYBUF; - infile->_ptr = infile->_base = (char *) string; - - if(count>(INT_MAX/sizeof(wchar_t))) - { - /* old-style functions allow any large value to mean unbounded */ - infile->_cnt = INT_MAX; - } - else - { - infile->_cnt = (int)count*sizeof(wchar_t); - } - - retval = (inputfn(infile, format, arglist)); - - return(retval); -} - -static int __cdecl vnwscan_fn ( - WINPUTFN inputfn, - const wchar_t *string, - size_t count, - const wchar_t *format, - va_list arglist - ) -{ - miniFILE str; - miniFILE *infile = &str; - int retval; - size_t length = wcsnlen(string, INT_MAX); - - _VALIDATE_RETURN( (string != NULL), EINVAL, EOF); - _VALIDATE_RETURN( (format != NULL), EINVAL, EOF); - - infile->_flag = _IOREAD|_IOSTRG|_IOMYBUF; - infile->_ptr = infile->_base = (char *) string; - - if ( count > length ) - { - count = length; - } - - if(count>(INT_MAX/sizeof(wchar_t))) - { - /* old-style functions allow any large value to mean unbounded */ - infile->_cnt = INT_MAX; - } - else - { - infile->_cnt = (int)count*sizeof(wchar_t); - } - - retval = (inputfn(infile, format, arglist)); - - return(retval); -} - - -/*** -*int sscanf_s(string, format, ...) -* Same as sscanf above except that it calls _input_s to do the real work. -* -*int snscanf_s(string, size, format, ...) -* Same as snscanf above except that it calls _input_s to do the real work. -* -* _input_s has a size check for array parameters. -* -*******************************************************************************/ - -int __cdecl sscanf_s ( - const char *string, - const char *format, - ... - ) -{ - int ret; - va_list arglist; - va_start(arglist, format); - ret = vscan_fn(__tinput_s, string, format, arglist); - va_end(arglist); - return ret; -} - -int __cdecl _snscanf_s ( - const char *string, - size_t count, - const char *format, - ... - ) -{ - int ret; - va_list arglist; - va_start(arglist, format); - ret = vnscan_fn(__tinput_s, string, count, format, arglist); - va_end(arglist); - return ret; -} - -int __cdecl swscanf_s ( - const wchar_t *string, - const wchar_t *format, - ... - ) -{ - int ret; - va_list arglist; - va_start(arglist, format); - ret = vwscan_fn(__twinput_s, string, format, arglist); - va_end(arglist); - return ret; -} - -int __cdecl _snwscanf_s ( - const wchar_t *string, - size_t count, - const wchar_t *format, - ... - ) -{ - int ret; - va_list arglist; - va_start(arglist, format); - ret = vnwscan_fn(__twinput_s, string, count, format, arglist); - va_end(arglist); - return ret; -} - |