50 строки
1.1 KiB
C
50 строки
1.1 KiB
C
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/*
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* $HEADER$
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*
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* This file is only here because some platforms have a broken strncpy
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* (e.g., Itanium with RedHat Advanced Server glibc).
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*/
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#include <lam_config.h>
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#include <string.h>
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#include "lam/util/strncpy.h"
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/**
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* Provide a portable, working strncpy() for platforms that have
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* broken implementations.
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*
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* @param dest Destination string.
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* @param src Source string.
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* @param len Length of the string to copy.
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*
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* @return The value dest.
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*
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* This function is identical in behavior to strncpy(), but is not
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* optimized at all (we're not concerned with high-performance
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* strncpy!). It is only here because some platforms have broken
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* implementations of strncpy() that cause segfaults (cough cough Red
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* Hat Advanced Server glibc cough cough).
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*/
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char *
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lam_strncpy(char *dest, const char *src, size_t len)
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{
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int i;
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int pad = 0;
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char *new_dest = dest;
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for (i = 0; i < len; ++i, ++src, ++new_dest) {
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if (pad != 0)
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*new_dest = '\0';
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else {
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*new_dest = *src;
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if ('\0' == *src)
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pad = 1;
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}
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}
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return dest;
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}
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