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touch(): Check return value of mknod(), report error if errno != EEXIST.

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
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Joachim Nilsson committed 2014-11-26 22:57:23 +01:00
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commit 5ff7994852
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helpers.h
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@@ -42,7 +42,7 @@
#ifndef touch #ifndef touch
# define touch(x) mknod((x), S_IFREG|0644, 0) # define touch(x) do { if (mknod((x), S_IFREG|0644, 0) && errno != EEXIST) _pe("Failed creating %s", x); } while (0)
#endif #endif
#ifndef chardev #ifndef chardev
# define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min))) # define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min)))