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path: root/src/cmd/iochk/iochk.c
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Diffstat (limited to 'src/cmd/iochk/iochk.c')
-rw-r--r--src/cmd/iochk/iochk.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/cmd/iochk/iochk.c b/src/cmd/iochk/iochk.c
index 0850821..4483610 100644
--- a/src/cmd/iochk/iochk.c
+++ b/src/cmd/iochk/iochk.c
@@ -1,6 +1,7 @@
#include <assert.h>
#include <camellia.h>
#include <camellia/syscalls.h>
+#include <err.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
@@ -10,8 +11,6 @@
static bool verbose = false;
#define verbosef(...) do { if (verbose) printf(__VA_ARGS__); } while (0)
-#define eprintf(fmt, ...) fprintf(stderr, "iochk: "fmt"\n" __VA_OPT__(,) __VA_ARGS__)
-
void check(hid_t h) {
const size_t buflen = 4096;
@@ -23,14 +22,14 @@ void check(hid_t h) {
char *buflast = malloc(buflen);
char *bufcur = malloc(buflen);
if (!buflast || !bufcur) {
- eprintf("out of memory");
+ err(1, "malloc");
goto end;
}
long offlast = 0;
long retlast = _sys_read(h, buflast, buflen, offlast);
if (retlast < 0) {
- eprintf("error %ld when reading at offset %ld", retlast, offlast);
+ fprintf(stderr, "error %ld when reading at offset %ld", retlast, offlast);
goto end;
}
@@ -43,14 +42,14 @@ void check(hid_t h) {
long retcur = _sys_read(h, bufcur, buflen, offcur);
if (retcur < 0) {
- eprintf("error %ld when reading at offset %ld", retlast, offcur);
+ fprintf(stderr, "error %ld when reading at offset %ld", retlast, offcur);
break;
}
if (retcur < retlast + offlast - offcur) {
verbosef("warn: unexpected ret %ld < %ld + %ld - %ld\n", retcur, retlast, offlast, offcur);
}
if (memcmp(buflast + diff, bufcur, retlast - diff)) {
- eprintf("inconsistent read from offsets %ld and %ld", offlast, offcur);
+ fprintf(stderr, "inconsistent read from offsets %ld and %ld", offlast, offcur);
}
offlast = offcur;
@@ -79,7 +78,7 @@ int main(int argc, char **argv) {
}
}
if (optind >= argc) {
- eprintf("no files given");
+ fprintf(stderr, "usage: iochk [-v] file [files...]\n");
return 1;
}
for (; optind < argc; optind++) {
@@ -87,7 +86,7 @@ int main(int argc, char **argv) {
verbosef("checking %s...\n", path);
hid_t h = camellia_open(path, OPEN_READ);
if (h < 0) {
- eprintf("couldn't open %s", path);
+ err(1, "open %s", path);
continue;
}
check(h);