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29 lines
696 B
29 lines
696 B
/* lflwrite.c - lflwrite */ |
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#include <xinu.h> |
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/*------------------------------------------------------------------------ |
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* lflwrite -- Write data to a previously opened local disk file |
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*------------------------------------------------------------------------ |
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*/ |
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devcall lflwrite ( |
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struct dentry *devptr, /* Entry in device switch table */ |
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char *buff, /* Buffer holding data to write */ |
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int32 count /* Number of bytes to write */ |
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) |
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{ |
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int32 i; /* Number of bytes written */ |
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if (count < 0) { |
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return SYSERR; |
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} |
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/* Iteratate and write one byte at a time */ |
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for (i=0; i<count; i++) { |
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if (lflputc(devptr, *buff++) == SYSERR) { |
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return SYSERR; |
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} |
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} |
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return count; |
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}
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