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Simplify "write_sha1_file()" interfaces

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The write function now adds the header to the file by itself, so there
is no reason to duplicate it among all the users any more.
This commit is contained in:
Linus Torvalds
2005-04-25 10:19:53 -07:00
parent e6948b6d88
commit a44c9a5e2e
5 changed files with 38 additions and 100 deletions
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39
commit-tree.c
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@ -12,19 +12,14 @@
#include <time.h>
#define BLOCKING (1ul << 14)
#define ORIG_OFFSET (40)
/*
* Leave space at the beginning to insert the tag
* once we know how big things are.
*
* FIXME! Share the code with "write-tree.c"
*/
static void init_buffer(char **bufp, unsigned int *sizep)
{
char *buf = malloc(BLOCKING);
memset(buf, 0, ORIG_OFFSET);
*sizep = ORIG_OFFSET;
*sizep = 0;
*bufp = buf;
}
@ -52,34 +47,6 @@ static void add_buffer(char **bufp, unsigned int *sizep, const char *fmt, ...)
memcpy(buf + size, one_line, len);
}
static int prepend_integer(char *buffer, unsigned val, int i)
{
buffer[--i] = '\0';
do {
buffer[--i] = '0' + (val % 10);
val /= 10;
} while (val);
return i;
}
static void finish_buffer(char *tag, char **bufp, unsigned int *sizep)
{
int taglen;
int offset;
char *buf = *bufp;
unsigned int size = *sizep;
offset = prepend_integer(buf, size - ORIG_OFFSET, ORIG_OFFSET);
taglen = strlen(tag);
offset -= taglen;
buf += offset;
size -= offset;
memcpy(buf, tag, taglen);
*bufp = buf;
*sizep = size;
}
static void remove_special(char *p)
{
char c;
@ -355,9 +322,7 @@ int main(int argc, char **argv)
while (fgets(comment, sizeof(comment), stdin) != NULL)
add_buffer(&buffer, &size, "%s", comment);
finish_buffer("commit ", &buffer, &size);
write_sha1_file(buffer, size, commit_sha1);
write_sha1_file(buffer, size, "commit", commit_sha1);
printf("%s\n", sha1_to_hex(commit_sha1));
return 0;
}