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libbb: introduce fputc_printable (from ed)

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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
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 136/-68)            Total: 68 bytes
This commit is contained in:
Denis Vlasenko
2007-12-30 01:59:53 +00:00
parent fcd878efcd
commit d3c042fc60
5 changed files with 19 additions and 22 deletions
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17
networking/netstat.c
View File

@ -349,13 +349,9 @@ static int unix_do_one(int nr, char *line)
const char *ss_proto, *ss_state, *ss_type;
char ss_flags[32];
/* TODO: currently we stop at first NUL byte. Is it a problem? */
if (nr == 0)
return 0; /* skip header */
*strchrnul(line, '\n') = '\0';
/* 2.6.15 may report lines like "... @/tmp/fam-user-^@^@^@^@^@^@^@..."
* Other users report long lines filled by NUL bytes.
* (those ^@ are NUL bytes too). We see them as empty lines. */
@ -443,9 +439,16 @@ static int unix_do_one(int nr, char *line)
strcat(ss_flags, "N ");
strcat(ss_flags, "]");
printf("%-5s %-6ld %-11s %-10s %-13s %6lu %s\n",
ss_proto, refcnt, ss_flags, ss_type, ss_state, inode,
line + path_ofs);
printf("%-5s %-6ld %-11s %-10s %-13s %6lu ",
ss_proto, refcnt, ss_flags, ss_type, ss_state, inode
);
/* TODO: currently we stop at first NUL byte. Is it a problem? */
line += path_ofs;
*strchrnul(line, '\n') = '\0';
while (*line)
fputc_printable(*line++, stdout);
bb_putchar('\n');
return 0;
}