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| author | Christian Neukirchen <chneukirchen@gmail.com> | 2016-07-29 15:41:41 +0200 |
|---|---|---|
| committer | Christian Neukirchen <chneukirchen@gmail.com> | 2016-07-29 15:41:41 +0200 |
| commit | 7636f0977cff47e152594902b69d99d9f0fc0232 (patch) | |
| tree | d2170bde143bb2dbedede4cfca4373d91f3a1642 /blaze822.c | |
| parent | be2ca1ba42029b80cffff78afee77abf9831131a (diff) | |
| download | mblaze-7636f0977cff47e152594902b69d99d9f0fc0232.tar.gz mblaze-7636f0977cff47e152594902b69d99d9f0fc0232.tar.xz mblaze-7636f0977cff47e152594902b69d99d9f0fc0232.zip | |
blaze822: blaze822_file: allocate enough space for read
Diffstat (limited to 'blaze822.c')
| -rw-r--r-- | blaze822.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/blaze822.c b/blaze822.c index f8b5812..69f317d 100644 --- a/blaze822.c +++ b/blaze822.c @@ -454,19 +454,20 @@ blaze822_file(char *file) goto error; if (S_ISFIFO(st.st_mode)) { // unbounded read, grow buffer - ssize_t bufalloc = 16384; + const ssize_t bufblk = 16384; + ssize_t bufalloc = bufblk; buf = malloc(bufalloc); if (!buf) goto error; do { - if (bufalloc <= rd) { + if (bufalloc < rd + bufblk) { bufalloc *= 2; buf = realloc(buf, bufalloc); if (!buf) goto error; } - if ((n = read(fd, buf + rd, 16384)) < 0) { + if ((n = read(fd, buf + rd, bufblk)) < 0) { if (errno == EINTR) { continue; } else { |