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Major coreutils update.

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This commit is contained in:
Manuel Novoa III
2003-03-19 09:13:01 +00:00
parent e01f9662a5
commit cad5364599
295 changed files with 6944 additions and 5570 deletions
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39
libbb/process_escape_sequence.c
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@@ -2,7 +2,7 @@
/*
* Utility routines.
*
* Copyright (C) Manuel Nova III <mnovoa3@bellsouth.net>
* Copyright (C) Manuel Novoa III <mjn3@codepoet.org>
* and Vladimir Oleynik <dzo@simtreas.ru>
*
* This program is free software; you can redistribute it and/or modify
@@ -26,9 +26,7 @@
#include <limits.h>
#include "libbb.h"
char process_escape_sequence(const char **ptr)
char bb_process_escape_sequence(const char **ptr)
{
static const char charmap[] = {
'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', 0,
@@ -36,40 +34,43 @@ char process_escape_sequence(const char **ptr)
const char *p;
const char *q;
int num_digits;
unsigned int num_digits;
unsigned int r;
unsigned int n;
n = 0;
q = *ptr;
for ( num_digits = 0 ; num_digits < 3 ; ++num_digits) {
if ((*q < '0') || (*q > '7')) { /* not a digit? */
break;
num_digits = 0;
do {
if (((unsigned int)(*q - '0')) <= 7) {
r = n * 8 + (*q - '0');
if (r <= UCHAR_MAX) {
n = r;
++q;
if (++num_digits < 3) {
continue;
}
}
}
n = n * 8 + (*q++ - '0');
}
break;
} while (1);
if (num_digits == 0) { /* mnemonic escape sequence? */
for (p=charmap ; *p ; p++) {
p = charmap;
do {
if (*p == *q) {
q++;
break;
}
}
} while (*++p);
n = *(p+(sizeof(charmap)/2));
}
/* doesn't hurt to fall through to here from mnemonic case */
if (n > UCHAR_MAX) { /* is octal code too big for a char? */
n /= 8; /* adjust value and */
--q; /* back up one char */
}
*ptr = q;
return (char) n;
}
/* END CODE */
/*
Local Variables: