/*---------------------------------------------------------------------------
* Description: Indent to at least the specified column.
*
* Programmer: Robb Matzke
* Tuesday, June 27, 2000
*
* Modifications:
*---------------------------------------------------------------------------
*/
void
out_column(out_t *f, int column, const char *separator)
{
int oldlit = out_literal(f, true);
while (f->col<column && !out_brokenpipe(f)) out_puts(f, " ");
out_puts(f, separator);
out_literal(f, oldlit);
}
/*------------------------------------------------------------------------- * Function: ptr_print * * Purpose: Prints a pointer type. * * Return: void * * Programmer: Robb Matzke * [email protected] * Dec 6 1996 * * Modifications: * *------------------------------------------------------------------------- */ static void ptr_print (obj_t _self, out_t *f) { obj_ptr_t *self = MYCLASS(_self); out_puts (f, "*"); obj_print (self->sub, f); }
void out_action
(
char const * const action,
char const * const target,
char const * const command,
char const * const out_d,
char const * const err_d,
int const exit_reason
)
{
/* Print out the action + target line, if the action is quiet the action
* should be null.
*/
if ( action )
out_printf( "%s %s\n", action, target );
/* Print out the command executed if given -d+2. */
if ( DEBUG_EXEC )
{
out_puts( command );
out_putc( '\n' );
}
/* If the process expired, make user aware with an explicit message, but do
* this only for non-quiet actions.
*/
if ( exit_reason == EXIT_TIMEOUT && action )
out_printf( "%ld second time limit exceeded\n", globs.timeout );
/* Print out the command output, if requested, or if the program failed, but
* only output for non-quiet actions.
*/
if ( action || exit_reason != EXIT_OK )
{
if ( out_d &&
( ( globs.pipe_action & 1 /* STDOUT_FILENO */ ) ||
( globs.pipe_action == 0 ) ) )
out_data( out_d );
if ( err_d && ( globs.pipe_action & 2 /* STDERR_FILENO */ ) )
err_data( err_d );
}
out_flush();
err_flush();
}
/*------------------------------------------------------------------------- * Function: out_printf * * Purpose: Formatted output. The entire output is printed on the * current line if it fits. Otherwise the entire output is * printed on the next line. Linefeeds within the output * string force line breaks. * * Return: void * * Programmer: Robb Matzke * [email protected] * Dec 11 1996 * * Modifications: * *------------------------------------------------------------------------- */ void out_printf (out_t *f, const char *fmt, ...) { va_list ap; char buf[4096], *s, *nextline; va_start (ap, fmt); vsprintf (buf, fmt, ap); va_end (ap); for (s=buf; s; s=nextline) { nextline = strchr (s, '\n'); if (nextline) *nextline = '\0'; out_puts (f, s); if (nextline) { *nextline++ = '\n'; out_nl (f); } } }
/*------------------------------------------------------------------------- * Function: out_putw * * Purpose: Similar to out_puts() except the string can be split on * white space. * * Return: void * * Programmer: Robb Matzke * [email protected] * Dec 11 1996 * * Modifications: * * Robb Matzke, 3 Apr 1997 * Words can be split on `/', `-', or `_', and those characters appear * at the end of the previous line. * * Robb Matzke, 2000-06-02 * Only the first line of output gets the prefix. *------------------------------------------------------------------------- */ void out_putw (out_t *f, const char *s) { const char *t; char buf[1024]; int nl, i; int old_nfields = f->nfields; while (s && *s) { if (out_brokenpipe(f)) return; /* Find the edges of the next word. */ for (t=s, nl=0; *t && strchr (" \t\n_-/", *t); t++) { if ('\n'==*t) nl++; /*skip leading seps, remember newlines*/ } t = strpbrk (t, " \t\n_-/"); /*find next word separator*/ while (t && *t && strchr("_-/",*t)) t++; /*these stay on current line*/ if (!t) t = s+strlen(s); /* Extract the word. */ strncpy (buf, s, t-s); buf[t-s] = '\0'; /* Print empty lines */ for (i=0; i<nl; i++) { out_nl(f); f->nfields=0; } /* Output the word including leading white space. The out_puts() * function will strip leading whitespace at the beginning of * a line. */ out_puts (f, buf); s = t; /* Turn off prefix for subsequent lines */ f->nfields=0; } f->nfields = old_nfields; /*restore prefix*/ }
/*------------------------------------------------------------------------- * Function: str_doprnt * * Purpose: Prints a string with non-printable characters. * * Return: void * * Programmer: Robb Matzke * [email protected] * Jan 31 1997 * * Modifications: * Robb Matzke, 2000-10-19 * Understands formats of `b16', `b8', and `b2'. * * Mark C. Miller, 03Jun08 * Made it properly handle strings longer than size of buf. * Made it properly use truncate variable to control behavior. * * Mark C. Miller, Wed Jan 14 10:13:50 PST 2009 * Eliminated extraneous blank line being output from browser as well * as line breaking occuring on arrays of strings by removing out_nl * call and using out_puts for string output and out_printf otherwise. *------------------------------------------------------------------------- */ void str_doprnt (out_t *f, char *fmt, char *s) { char buf[1024], c; int at, i, j, n, maxn; unsigned mask; if (!s) { out_puts(f, "(null)"); return; } i = 0; n = strlen(s); maxn = sym_bi_true("truncate"); if (maxn <= 1) maxn = n; while (i < n && i < maxn) { buf[0] = '\0'; for (at=0; i < n && i < maxn && s[i]; i++) { if (at+2>=sizeof(buf)) { buf[at] = '\0'; break; } switch ((c=s[i])) { case '\\': buf[at++] = c; buf[at++] = c; break; case '\b': /* `b' is a valid hexadecimal digit */ if (!strcmp(fmt, "b16")) { sprintf(buf+at, "\\%02x", (unsigned char)c); at += strlen(buf+at); } else { buf[at++] = '\\'; buf[at++] = 'b'; } break; case '\n': buf[at++] = '\\'; buf[at++] = 'n'; break; case '\r': buf[at++] = '\\'; buf[at++] = 'r'; break; case '\t': buf[at++] = '\\'; buf[at++] = 't'; break; case '"': buf[at++] = '\\'; buf[at++] = '"'; break; default: if (c>=' ' && c<='~') { buf[at++] = c; } else if (!strcmp(fmt, "b16")) { sprintf(buf+at, "\\%02x", (unsigned char)c); at += strlen(buf+at); } else if (!strcmp(fmt, "b2")) { buf[at++] = '\\'; for (j=0, mask=0x80; j<8; j++, mask>>=1) { buf[at++] = (unsigned)c & mask ? '1':'0'; } } else { /*default is octal*/ sprintf(buf+at, "\\%03o", (unsigned char)c); at += strlen(buf+at); } break; } }
/*------------------------------------------------------------------------- * Function: sym_print * * Purpose: Prints a symbol to the specified file. * * Return: void * * Programmer: Robb Matzke * [email protected] * Dec 4 1996 * * Modifications: * *------------------------------------------------------------------------- */ static void sym_print (obj_t _self, out_t *f) { out_puts (f, MYCLASS(_self)->sym->name); }