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| author | Denis Vlasenko | 2007-12-30 01:59:53 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-12-30 01:59:53 +0000 |
| commit | d3c042fc605737643c265a7f86fc7a77c88f629e (patch) | |
| tree | a1850a3ca6493fb6409e8df0a24baf1331d325f6 /include | |
| parent | fcd878efcd6df8a8d052cef753305c34c1297267 (diff) | |
| download | busybox-d3c042fc605737643c265a7f86fc7a77c88f629e.zip busybox-d3c042fc605737643c265a7f86fc7a77c88f629e.tar.gz | |
libbb: introduce fputc_printable (from ed)
netstat: print control chars as ^C etc
vi: style fixlet
function old new delta
fputc_printable - 100 +100
unix_do_one 451 487 +36
printLines 258 190 -68
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(add/remove: 1/0 grow/shrink: 1/1 up/down: 136/-68) Total: 68 bytes
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/libbb.h b/include/libbb.h index 1da37ed..f35f85c 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -426,6 +426,11 @@ char *safe_strncpy(char *dst, const char *src, size_t size); * But potentially slow, don't use in one-billion-times loops */ int bb_putchar(int ch); char *xasprintf(const char *format, ...) __attribute__ ((format (printf, 1, 2))); +/* Prints unprintable chars ch as ^C or M-c to file + * (M-c is used only if ch is ORed with PRINTABLE_META), + * else it is printed as-is (except for ch = 0x9b) */ +enum { PRINTABLE_META = 0x100 }; +void fputc_printable(int ch, FILE *file); // gcc-4.1.1 still isn't good enough at optimizing it // (+200 bytes compared to macro) //static ALWAYS_INLINE |