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32 lines
1.3 KiB
32 lines
1.3 KiB
4 months ago
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diff --git a/src/cmp.c b/src/cmp.c
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index 4bf0a4c..936125c 100644
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--- a/src/cmp.c
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+++ b/src/cmp.c
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@@ -338,13 +338,14 @@ main (int argc, char **argv)
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}
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/* If only a return code is needed,
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- and if both input descriptors are associated with plain files,
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+ and both input descriptors are associated with plain files,
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+ and the file sizes are nonzero so they are not Linux /proc files,
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conclude that the files differ if they have different sizes
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and if more bytes will be compared than are in the smaller file. */
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if (comparison_type == type_status
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- && 0 <= stat_buf[0].st_size && S_ISREG (stat_buf[0].st_mode)
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- && 0 <= stat_buf[1].st_size && S_ISREG (stat_buf[1].st_mode))
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+ && 0 < stat_buf[0].st_size && S_ISREG (stat_buf[0].st_mode)
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+ && 0 < stat_buf[1].st_size && S_ISREG (stat_buf[1].st_mode))
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{
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off_t s0 = stat_buf[0].st_size - file_position (0);
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off_t s1 = stat_buf[1].st_size - file_position (1);
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@@ -401,7 +402,7 @@ cmp (void)
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? bytes : TYPE_MAXIMUM (off_t));
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for (f = 0; f < 2; f++)
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- if (0 <= stat_buf[f].st_size && S_ISREG (stat_buf[f].st_mode))
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+ if (0 < stat_buf[f].st_size && S_ISREG (stat_buf[f].st_mode))
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{
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off_t file_bytes = stat_buf[f].st_size - file_position (f);
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if (file_bytes < byte_number_max)
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