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René Scharfe 76dd98c139 remove unnecessary check before QSORT

Add a semantic patch for removing checks similar to the one that QSORT
already does internally and apply it to the code base.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2016-09-29 15:42:18 -07:00

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 @@
 expression base, nmemb, compar;
 @@
 - qsort(base, nmemb, sizeof(*base), compar);
 + QSORT(base, nmemb, compar);
 @@
 expression base, nmemb, compar;
 @@
 - qsort(base, nmemb, sizeof(base[0]), compar);
 + QSORT(base, nmemb, compar);
 @@
 type T;
 T *base;
 expression nmemb, compar;
 @@
 - qsort(base, nmemb, sizeof(T), compar);
 + QSORT(base, nmemb, compar);
 @@
 expression base, nmemb, compar;
 @@
 - if (nmemb)
     QSORT(base, nmemb, compar);
 @@
 expression base, nmemb, compar;
 @@
 - if (nmemb > 0)
     QSORT(base, nmemb, compar);
 @@
 expression base, nmemb, compar;
 @@
 - if (nmemb > 1)
     QSORT(base, nmemb, compar);