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Diffstat (limited to 'private/crt32/stdio/fscanf.c')
-rw-r--r-- | private/crt32/stdio/fscanf.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/private/crt32/stdio/fscanf.c b/private/crt32/stdio/fscanf.c new file mode 100644 index 000000000..7e6dbb6dc --- /dev/null +++ b/private/crt32/stdio/fscanf.c @@ -0,0 +1,83 @@ +/*** +*fscanf.c - read formatted data from stream +* +* Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved. +* +*Purpose: +* defines fscanf() - reads formatted data from stream +* +*Revision History: +* 09-02-83 RN initial version +* 04-13-87 JCR added const to declaration +* 06-24-87 JCR (1) Made declaration conform to ANSI prototype and use +* the va_ macros; (2) removed SS_NE_DS conditionals. +* 11-06-87 JCR Multi-thread support +* 12-11-87 JCR Added "_LOAD_DS" to declaration +* 05-31-88 PHG Merged DLL and normal versions +* 02-15-90 GJF Fixed copyright and indents +* 03-19-90 GJF Replaced _LOAD_DS with _CALLTYPE2 and added #include +* <cruntime.h>. +* 03-26-90 GJF Added #include <internal.h>. +* 07-23-90 SBM Replaced <assertm.h> by <assert.h> +* 10-02-90 GJF New-style function declarator. +* +*******************************************************************************/ + +#include <cruntime.h> +#include <stdio.h> +#include <assert.h> +#include <stdarg.h> +#include <file2.h> +#include <internal.h> +#include <os2dll.h> + +/*** +*int fscanf(stream, format, ...) - read formatted data from stream +* +*Purpose: +* Reads formatted data from stream into arguments. _input does the real +* work here. +* +*Entry: +* FILE *stream - stream to read data from +* char *format - format string +* followed by list of pointers to storage for the data read. The number +* and type are controlled by the format string. +* +*Exit: +* returns number of fields read and assigned +* +*Exceptions: +* +*******************************************************************************/ + +int _CALLTYPE2 fscanf ( + FILE *stream, + const char *format, + ... + ) +/* + * 'F'ile (stream) 'SCAN', 'F'ormatted + */ +{ + int retval; +#ifdef MTHREAD + int index; +#endif + + va_list arglist; + + va_start(arglist, format); + + assert(stream != NULL); + assert(format != NULL); + +#ifdef MTHREAD + index = _iob_index(stream); +#endif + _lock_str(index); + retval = (_input(stream,format,arglist)); + _unlock_str(index); + + return(retval); +} |