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#include "stdio_impl.h" #include <string.h> size_t __fwritex(const unsigned char *restrict s, size_t l, FILE *restrict f) { size_t i=0; if (!f->wend && __towrite(f)) return 0; if (l > f->wend - f->wpos) return f->write(f, s, l); if (f->lbf >= 0) { /* Match /^(.*\n|)/ */ for (i=l; i && s[i-1] != '\n'; i--); if (i) { if (f->write(f, s, i) < i) return i; s += i; l -= i; } } memcpy(f->wpos, s, l); f->wpos += l; return l+i; } size_t fwrite(const void *restrict src, size_t size, size_t nmemb, FILE *restrict f) { size_t k, l = size*nmemb; if (!l) return l; FLOCK(f); k = __fwritex(src, l, f); FUNLOCK(f); return k==l ? nmemb : k/size; } weak_alias(fwrite, fwrite_unlocked); |