27 lines
516 B
C
27 lines
516 B
C
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#include <stdio.h>
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#include <strformat.h>
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#include <string.h>
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static StrFormatResult
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buffer_str(void *user_data, const char *data, unsigned int len)
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{
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memcpy(*(char**)user_data, data, len);
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(*(char**)user_data) += len;
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return STRFORMAT_OK;
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}
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int
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sprintf(char *str, const char *format, ...)
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{
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StrFormatContext ctxt;
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int res;
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va_list ap;
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va_start(ap, format);
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ctxt.write_str = buffer_str;
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ctxt.user_data = &str;
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res = format_str_v(&ctxt, format, ap);
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*str = '\0';
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va_end(ap);
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return res;
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}
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