60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
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* jprint.h
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*/
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/* If in ZFS <sys/zfs_context.h> provides what is needed */
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/* If standalone */
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/* #include <stdbool.h> */
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/* #define boolean_t bool */
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/* #define B_TRUE true */
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/* #define B_FALSE false */
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/* #include <stddef.h> */
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/* #include <stdint.h> */
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/* #include <stdio.h> */
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/* #include <stdarg.h> */
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/* #include <string.h> */
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/* #include <inttypes.h> */
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/* maximum stack nesting */
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#define JP_MAX_STACK 32
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enum jp_type {
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JP_OBJECT = 1,
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JP_ARRAY
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};
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struct jp_stack {
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enum jp_type type;
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int nelem;
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};
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typedef struct jprint {
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char *buffer; /* pointer to application's buffer */
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size_t buflen; /* length of buffer */
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char *bufp; /* current write position in buffer */
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char tmpbuf[32]; /* local buffer for conversions */
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int error; /* error code */
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int ncall; /* API call number on which error occurred */
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struct jp_stack /* stack of array/object nodes */
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stack[JP_MAX_STACK];
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int stackp;
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} jprint_t;
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/* error return codes */
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#define JPRINT_OK 0 /* no error */
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#define JPRINT_BUF_FULL 1 /* output buffer full */
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#define JPRINT_NEST_ERROR 2 /* nesting error */
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#define JPRINT_STACK_FULL 3 /* array/object nesting */
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#define JPRINT_STACK_EMPTY 4 /* stack underflow error */
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#define JPRINT_OPEN 5 /* not all objects closed */
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#define JPRINT_FMT 6 /* format error */
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#define JPRINT_NO_DOUBLE 7 /* %g support not included */
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const char *jp_errorstring(int err);
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int jp_error(jprint_t *jp);
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void jp_open(jprint_t *jp, char *buffer, size_t buflen);
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int jp_close(jprint_t *jp);
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int jp_errorpos(jprint_t *jp);
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int jp_printf(jprint_t *jp, const char *fmt, ...);
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