From 9f57cf6604638f14390effa01b51c8ad979f14cd Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Wed, 18 Mar 2009 17:32:44 +0000 Subject: ftpd: fix command fetching to not do it in 1-byte reads; fix command de-escaping. Tested to download files with embeeded \xff and LF. libbb: tweaks for the above function old new delta ftpd_main 2231 2321 +90 xmalloc_fgets_internal 190 222 +32 xmalloc_fgets_str_len - 27 +27 xmalloc_fgets_str 7 23 +16 xmalloc_fgetline_str 10 26 +16 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/0 up/down: 181/0) Total: 181 bytes --- libbb/read.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'libbb/read.c') diff --git a/libbb/read.c b/libbb/read.c index 815007c1e..37503e84d 100644 --- a/libbb/read.c +++ b/libbb/read.c @@ -141,7 +141,7 @@ char* FAST_FUNC xmalloc_reads(int fd, char *buf, size_t *maxsz_p) { char *p; size_t sz = buf ? strlen(buf) : 0; - size_t maxsz = maxsz_p ? *maxsz_p : MAXINT(size_t); + size_t maxsz = maxsz_p ? *maxsz_p : (INT_MAX - 4095); goto jump_in; while (sz < maxsz) { @@ -198,7 +198,7 @@ void* FAST_FUNC xmalloc_read(int fd, size_t *maxsz_p) size_t to_read; struct stat st; - to_read = maxsz_p ? *maxsz_p : MAXINT(ssize_t); /* max to read */ + to_read = maxsz_p ? *maxsz_p : (INT_MAX - 4095); /* max to read */ /* Estimate file size */ st.st_size = 0; /* in case fstat fails, assume 0 */ @@ -262,7 +262,7 @@ void* FAST_FUNC xmalloc_open_read_close(const char *filename, size_t *maxsz_p) len = lseek(fd, 0, SEEK_END) | 0x3ff; /* + up to 1k */ if (len != (off_t)-1) { xlseek(fd, 0, SEEK_SET); - size = maxsz_p ? *maxsz_p : INT_MAX; + size = maxsz_p ? *maxsz_p : (INT_MAX - 4095); if (len < size) size = len; } -- cgit v1.2.3