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Squashed 'third_party/git/' content from commit cb71568594

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git-subtree-dir: third_party/git
git-subtree-split: cb715685942260375e1eb8153b0768a376e4ece7
This commit is contained in:
Vincent Ambo 2020-01-11 23:36:56 +00:00
commit 1b593e1ea4
3629 changed files with 1139935 additions and 0 deletions
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98
t/helper/test-pkt-line.c Normal file
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#include "cache.h"
#include "test-tool.h"
#include "pkt-line.h"
static void pack_line(const char *line)
{
if (!strcmp(line, "0000") || !strcmp(line, "0000\n"))
packet_flush(1);
else if (!strcmp(line, "0001") || !strcmp(line, "0001\n"))
packet_delim(1);
else
packet_write_fmt(1, "%s", line);
}
static void pack(int argc, const char **argv)
{
if (argc) { /* read from argv */
int i;
for (i = 0; i < argc; i++)
pack_line(argv[i]);
} else { /* read from stdin */
char line[LARGE_PACKET_MAX];
while (fgets(line, sizeof(line), stdin)) {
pack_line(line);
}
}
}
static void unpack(void)
{
struct packet_reader reader;
packet_reader_init(&reader, 0, NULL, 0,
PACKET_READ_GENTLE_ON_EOF |
PACKET_READ_CHOMP_NEWLINE);
while (packet_reader_read(&reader) != PACKET_READ_EOF) {
switch (reader.status) {
case PACKET_READ_EOF:
break;
case PACKET_READ_NORMAL:
printf("%s\n", reader.line);
break;
case PACKET_READ_FLUSH:
printf("0000\n");
break;
case PACKET_READ_DELIM:
printf("0001\n");
break;
}
}
}
static void unpack_sideband(void)
{
struct packet_reader reader;
packet_reader_init(&reader, 0, NULL, 0,
PACKET_READ_GENTLE_ON_EOF |
PACKET_READ_CHOMP_NEWLINE);
while (packet_reader_read(&reader) != PACKET_READ_EOF) {
int band;
int fd;
switch (reader.status) {
case PACKET_READ_EOF:
break;
case PACKET_READ_NORMAL:
band = reader.line[0] & 0xff;
if (band < 1 || band > 2)
die("unexpected side band %d", band);
fd = band;
write_or_die(fd, reader.line + 1, reader.pktlen - 1);
break;
case PACKET_READ_FLUSH:
return;
case PACKET_READ_DELIM:
break;
}
}
}
int cmd__pkt_line(int argc, const char **argv)
{
if (argc < 2)
die("too few arguments");
if (!strcmp(argv[1], "pack"))
pack(argc - 2, argv + 2);
else if (!strcmp(argv[1], "unpack"))
unpack();
else if (!strcmp(argv[1], "unpack-sideband"))
unpack_sideband();
else
die("invalid argument '%s'", argv[1]);
return 0;
}