29 lines
568 B
C
29 lines
568 B
C
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#include <stdio.h>
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#include <string.h>
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#include <malloc.h>
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FILE *open_err_file( char * );
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void main()
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{
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FILE *fp;
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fp = open_err_file( "alloca" );
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if( fp == NULL ) {
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printf( "Unable to open error file\n" );
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} else {
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fclose( fp );
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}
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}
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FILE *open_err_file( char *name )
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{
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char *buffer;
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/* allocate temp buffer for file name */
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buffer = (char *) alloca( strlen(name) + 5 );
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if( buffer ) {
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sprintf( buffer, "%s.err", name );
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return( fopen( buffer, "w" ) );
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}
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return( (FILE *) NULL );
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}
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