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print errno when reporting a system call error

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Nguyễn Thái Ngọc Duy
2017-05-03 17:16:55 +07:00
committed by Junio C Hamano
parent 382fb07f7b
commit 5118d7f4e6
3 changed files with 6 additions and 5 deletions
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4
xdiff-interface.c
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@ -164,9 +164,9 @@ int read_mmfile(mmfile_t *ptr, const char *filename)
size_t sz;
if (stat(filename, &st))
return error("Could not stat %s", filename);
return error_errno("Could not stat %s", filename);
if ((f = fopen(filename, "rb")) == NULL)
return error("Could not open %s", filename);
return error_errno("Could not open %s", filename);
sz = xsize_t(st.st_size);
ptr->ptr = xmalloc(sz ? sz : 1);
if (sz && fread(ptr->ptr, sz, 1, f) != 1) {