38 lines
541 B
C
38 lines
541 B
C
#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include "udev_util.h"
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#include "udev.h"
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int xasprintf(char *str, const char *fmt, ...)
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{
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va_list list;
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int len;
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va_start(list, fmt);
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len = vsnprintf(NULL, 0, fmt, list);
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va_end(list);
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if (len == -1) {
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return -1;
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}
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str = malloc(len + 1);
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if (!str) {
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return -1;
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}
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len = vsnprintf(str, len + 1, fmt, list);
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if (len == -1) {
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free(str);
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return -1;
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}
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return len;
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}
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// TODO readlink+malloc
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