Compiling libguestfs using gcc-4.6.0-0.11.fc15.x86_64 gives lots of:
error: assuming signed overflow does not occur when changing X +- C1 cmp C2 to
X cmp C1 +- C2 [-Werror=strict-overflow]
These seem to be associated with code that does 'if (strcmp (s1, s2) == 0)'
For example:
dir.c: In function ‘do_rm_rf’:
dir.c:59:7: error: assuming signed overflow does not occur when changing X +-
C1 cmp C2 to X cmp C1 +- C2 [-Werror=strict-overflow]
----------------------------------------------------------------------
int
do_rm_rf (const char *path)
{
int r;
char *buf, *err;
if (STREQ (path, "/")) { <------ here
reply_with_error ("cannot remove root directory");
return -1;
}
----------------------------------------------------------------------
where STREQ is a simple macro:
#define STREQ(a,b) (strcmp((a),(b)) == 0)
AFAIK this code should be correct? I can't find anything at all about
this specific error from Google.
Rich.
--
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