58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
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/*
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* Replacements for common but usually nonstandard functions that aren't
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* supplied by all platforms.
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*
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* Copyright (C) 2009 by Dan Fandrich <dan@coneharvesters.com>, et. al.
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*
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* Licensed under the GPL version 2, see the file LICENSE in this tarball.
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*/
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#include "libbb.h"
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#ifndef HAVE_STRCHRNUL
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char * FAST_FUNC strchrnul(const char *s, int c)
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{
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while (*s && *s != c) ++s;
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return (char*)s;
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}
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#endif
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#ifndef HAVE_VASPRINTF
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int FAST_FUNC vasprintf(char **string_ptr, const char *format, va_list p)
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{
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int r;
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va_list p2;
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va_copy(p2, p);
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r = vsnprintf(NULL, 0, format, p);
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va_end(p);
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*string_ptr = xmalloc(r+1);
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if (!*string_ptr)
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r = -1;
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else
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r = vsnprintf(*string_ptr, r+1, format, p2);
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va_end(p2);
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return r;
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}
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#endif
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#ifndef HAVE_FDPRINTF
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int fdprintf(int fd, const char *format, ...)
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{
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va_list p;
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int r;
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char *string_ptr;
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va_start(p, format);
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r = vasprintf(&string_ptr, format, p);
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va_end(p);
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if (r >= 0) {
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r = full_write(fd, string_ptr, r);
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free(string_ptr);
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}
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return r;
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}
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#endif
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