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| author | Sami Kerola | 2013-04-13 21:54:43 +0200 |
|---|---|---|
| committer | Karel Zak | 2013-04-26 13:40:27 +0200 |
| commit | 69f1cad4ca824dbfc560725ee1fb6e12a7c7acef (patch) | |
| tree | b4e6b31b03f54e1f7cc42b2ace4420202711112e /libmount/src/lock.c | |
| parent | wall: check writing to a file descriptor was successful (diff) | |
| download | kernel-qcow2-util-linux-69f1cad4ca824dbfc560725ee1fb6e12a7c7acef.tar.gz kernel-qcow2-util-linux-69f1cad4ca824dbfc560725ee1fb6e12a7c7acef.tar.xz kernel-qcow2-util-linux-69f1cad4ca824dbfc560725ee1fb6e12a7c7acef.zip | |
libmount: (test) check writing to a file was successful
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'libmount/src/lock.c')
| -rw-r--r-- | libmount/src/lock.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libmount/src/lock.c b/libmount/src/lock.c index e73edf54b..f381e423e 100644 --- a/libmount/src/lock.c +++ b/libmount/src/lock.c @@ -21,6 +21,7 @@ #include <limits.h> #include <sys/file.h> +#include "closestream.h" #include "pathnames.h" #include "mountP.h" @@ -573,7 +574,9 @@ void increment_data(const char *filename, int verbose, int loopno) err(EXIT_FAILURE, "%d: failed to open: %s", getpid(), filename); fprintf(f, "%ld", num); - fclose(f); + + if (close_stream(f) != 0) + err(EXIT_FAILURE, "write failed: %s", filename); if (verbose) fprintf(stderr, "%d: %s: %ld --> %ld (loop=%d)\n", getpid(), |