sha1write: make buffer const-correct
We are passed a "void *" and write it out without ever touching it; let's indicate that by using "const". Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King committed
Oct 24, 2013 at 13:59 UTC
e74435a5169b56be901196ad172b4dbda124254d
2 files changed
+4
-4
csum-file.c
+3
-3
@@ -11,7 +11,7 @@
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#include "progress.h"
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#include "csum-file.h"
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-static void flush(struct sha1file *f, void *buf, unsigned int count)
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+static void flush(struct sha1file *f, const void *buf, unsigned int count)
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{
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if (0 <= f->check_fd && count) {
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unsigned char check_buffer[8192];
@@ -86,13 +86,13 @@ int sha1close(struct sha1file *f, unsigned char *result, unsigned int flags)
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return fd;
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}
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-int sha1write(struct sha1file *f, void *buf, unsigned int count)
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+int sha1write(struct sha1file *f, const void *buf, unsigned int count)
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{
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while (count) {
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unsigned offset = f->offset;
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unsigned left = sizeof(f->buffer) - offset;
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unsigned nr = count > left ? left : count;
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- void *data;
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+ const void *data;
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if (f->do_crc)
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f->crc32 = crc32(f->crc32, buf, nr);
csum-file.h
+1
-1
@@ -34,7 +34,7 @@ extern struct sha1file *sha1fd(int fd, const char *name);
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extern struct sha1file *sha1fd_check(const char *name);
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extern struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp);
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extern int sha1close(struct sha1file *, unsigned char *, unsigned int);
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-extern int sha1write(struct sha1file *, void *, unsigned int);
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+extern int sha1write(struct sha1file *, const void *, unsigned int);
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extern void sha1flush(struct sha1file *f);
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extern void crc32_begin(struct sha1file *);
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extern uint32_t crc32_end(struct sha1file *);