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106 lines
2.6 KiB
106 lines
2.6 KiB
/***
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*fgetc.c - get a character from a stream
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*
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* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* defines fgetc() and getc() - read a character from a stream
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*
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*Revision History:
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* 09-01-83 RN initial version
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* 11-09-87 JCR Multi-thread support
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* 12-11-87 JCR Added "_LOAD_DS" to declaration
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* 05-31-88 PHG Merged DLL and normal versions
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* 06-21-89 PHG Added getc() function
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* 02-15-90 GJF Fixed copyright and indents
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* 03-16-90 GJF Replaced _LOAD_DS with _CALLTYPE1, added #include
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* <cruntime.h> and removed #include <register.h>.
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* 03-16-90 GJF Replaced _LOAD_DS with _CALLTYPE1, added #include
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* 07-24-90 SBM Replaced <assertm.h> by <assert.h>
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* 10-02-90 GJF New-style function declarators.
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* 04-06-93 SKS Replace _CRTAPI* with __cdecl
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* 04-26-93 CFW Wide char enable.
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* 04-30-93 CFW Remove wide char support to fgetwc.c.
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* 09-06-94 CFW Replace MTHREAD with _MT.
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* 02-06-94 CFW assert -> _ASSERTE.
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* 03-07-95 GJF _[un]lock_str macros now take FILE * arg.
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* 07-20-97 GJF Made getc() identical to fgetc(). Also, detab-ed.
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* 02-27-98 GJF Exception-safe locking.
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*
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*******************************************************************************/
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#include <cruntime.h>
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#include <stdio.h>
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#include <dbgint.h>
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#include <file2.h>
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#include <internal.h>
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#include <mtdll.h>
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/***
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*int fgetc(stream), getc(stream) - read a character from a stream
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*
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*Purpose:
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* reads a character from the given stream
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*
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*Entry:
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* FILE *stream - stream to read character from
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*
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*Exit:
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* returns the character read
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* returns EOF if at end of file or error occurred
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*
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*Exceptions:
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*
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*******************************************************************************/
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int __cdecl fgetc (
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REG1 FILE *stream
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)
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{
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int retval;
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_ASSERTE(stream != NULL);
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#ifdef _MT
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_lock_str(stream);
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__try {
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#endif
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retval = _getc_lk(stream);
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#ifdef _MT
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}
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__finally {
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_unlock_str(stream);
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}
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#endif
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return(retval);
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}
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#undef getc
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int __cdecl getc (
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FILE *stream
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)
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{
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int retval;
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_ASSERTE(stream != NULL);
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#ifdef _MT
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_lock_str(stream);
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__try {
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#endif
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retval = _getc_lk(stream);
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#ifdef _MT
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}
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__finally {
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_unlock_str(stream);
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}
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#endif
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return(retval);
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}
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