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Lines 85-124
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| 85 |
/* Print the content of the active cache slot (but skip the key). */ |
85 |
/* Print the content of the active cache slot (but skip the key). */ |
| 86 |
static int print_slot(struct cache_slot *slot) |
86 |
static int print_slot(struct cache_slot *slot) |
| 87 |
{ |
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{ |
| 88 |
#ifdef HAVE_LINUX_SENDFILE |
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off_t off; |
| 89 |
off_t start_off; |
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ssize_t i; |
| 90 |
int ret; |
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off = slot->keylen + 1; |
| 91 |
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| 92 |
start_off = slot->keylen + 1; |
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#ifdef HAVE_LINUX_SENDFILE |
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off_t size; |
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size = slot->cache_st.st_size; |
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| 94 |
do { |
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do { |
| 95 |
ret = sendfile(STDOUT_FILENO, slot->cache_fd, &start_off, |
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i = sendfile(STDOUT_FILENO, slot->cache_fd, &off, size - off); |
| 96 |
slot->cache_st.st_size - start_off); |
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if (i < 0) { |
| 97 |
if (ret < 0) { |
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| 98 |
if (errno == EAGAIN || errno == EINTR) |
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if (errno == EAGAIN || errno == EINTR) |
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continue; |
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continue; |
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/* Fall back to read/write on EINVAL */ |
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if (errno == EINVAL) |
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break; |
| 100 |
return errno; |
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return errno; |
| 101 |
} |
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} |
| 102 |
return 0; |
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if (off == size) |
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return 0; |
| 103 |
} while (1); |
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} while (1); |
| 104 |
#else |
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#endif |
| 105 |
ssize_t i, j; |
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| 106 |
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| 107 |
i = lseek(slot->cache_fd, slot->keylen + 1, SEEK_SET); |
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if (lseek(slot->cache_fd, off, SEEK_SET) != off) |
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if (i != slot->keylen + 1) |
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| 109 |
return errno; |
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return errno; |
| 110 |
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| 111 |
do { |
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do { |
| 112 |
i = j = xread(slot->cache_fd, slot->buf, sizeof(slot->buf)); |
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i = xread(slot->cache_fd, slot->buf, sizeof(slot->buf)); |
| 113 |
if (i > 0) |
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if (i < 0) |
| 114 |
j = xwrite(STDOUT_FILENO, slot->buf, i); |
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return errno; |
| 115 |
} while (i > 0 && j == i); |
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if (i == 0) |
| 116 |
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return 0; |
| 117 |
if (i < 0 || j != i) |
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if (write_in_full(STDOUT_FILENO, slot->buf, i) < 0) |
| 118 |
return errno; |
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return errno; |
| 119 |
else |
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} while (1); |
| 120 |
return 0; |
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| 121 |
#endif |
| 122 |
} |
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} |
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| 124 |
/* Check if the slot has expired */ |
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/* Check if the slot has expired */ |
