45 lines
1,020 B
C
45 lines
1,020 B
C
#ifndef IO_BACKEND_H
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#define IO_BACKEND_H
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#include <sys/types.h>
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enum iob_mode
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{
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IOB_MODE_NULL = 0,
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IOB_MODE_STDIN,
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IOB_MODE_SCRIPT,
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IOB_MODE_CMD
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};
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/* @struct iob_context
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* @var mode
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* @var args contains
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* the script name when mode is set to IOB_SCRIPT,
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* the command to execute when mode is set to IOB_CMD,
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*/
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struct iob_context
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{
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enum iob_mode mode;
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char *args;
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};
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/*
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* @brief Initializes the IO Backend module
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*
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* @param context contains the input mode and the args
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* @return 0 on success, the corresponding error code otherwise
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*/
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int iob_init(struct iob_context *context);
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/* @brief Closes the opened buffers and exits the modules gracefully
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*/
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void iob_close(void);
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/* @brief reads at most one line of the input and stores it into *stream
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*
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* @param stream is a pointer that will be set to a string to parse
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* @return the number of read characters if positive, the error code otherwise
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*/
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ssize_t stream_read(char **stream);
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#endif /* ! IO_BACKEND_H */
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