e03d2a9ccb
In our test helpers we have two cases where we assign -1 to an `unsigned long`. The intent is to essentially mean "unbounded output", which is achieved via implicit wraparound of the value. This pattern causes warnings with -Wsign-compare though. Adapt it and instead use `ULONG_MAX` explicitly. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
29 lines
559 B
C
29 lines
559 B
C
#include "test-tool.h"
|
|
#include "git-compat-util.h"
|
|
|
|
int cmd__csprng(int argc, const char **argv)
|
|
{
|
|
unsigned long count;
|
|
unsigned char buf[1024];
|
|
|
|
if (argc > 2) {
|
|
fprintf(stderr, "usage: %s [<size>]\n", argv[0]);
|
|
return 2;
|
|
}
|
|
|
|
count = (argc == 2) ? strtoul(argv[1], NULL, 0) : ULONG_MAX;
|
|
|
|
while (count) {
|
|
unsigned long chunk = count < sizeof(buf) ? count : sizeof(buf);
|
|
if (csprng_bytes(buf, chunk) < 0) {
|
|
perror("failed to read");
|
|
return 5;
|
|
}
|
|
if (fwrite(buf, chunk, 1, stdout) != chunk)
|
|
return 1;
|
|
count -= chunk;
|
|
}
|
|
|
|
return 0;
|
|
}
|