25 lines
456 B
C
25 lines
456 B
C
#include "test-tool.h"
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#include "git-compat-util.h"
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/*
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* Truncate a file to the given size.
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*/
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int cmd__truncate(int argc, const char **argv)
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{
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char *p = NULL;
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uintmax_t sz = 0;
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int fd = -1;
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if (argc != 3)
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die("expected filename and size");
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sz = strtoumax(argv[2], &p, 0);
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if (*p)
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die("invalid size");
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fd = xopen(argv[1], O_WRONLY | O_CREAT, 0600);
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if (ftruncate(fd, (off_t) sz) < 0)
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die_errno("failed to truncate file");
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return 0;
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}
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