31 lines
426 B
C
31 lines
426 B
C
/*
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* asprintf.c
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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int asprintf(char **bufp, const char *format, ...)
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{
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va_list ap, ap1;
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int rv;
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int bytes;
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char *p;
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va_start(ap, format);
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va_copy(ap1, ap);
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bytes = vsnprintf(NULL, 0, format, ap1) + 1;
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va_end(ap1);
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*bufp = p = malloc(bytes);
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if ( !p )
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return -1;
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rv = vsnprintf(p, bytes, format, ap);
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va_end(ap);
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return rv;
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}
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