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manual/7784

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This commit is contained in:
Tanaka Akira 1999-09-12 18:03:54 +00:00
parent e644c39ba1
commit 9ec0970313
1 changed files with 6 additions and 11 deletions
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17
Src/utils.c
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@ -2950,9 +2950,7 @@ hasspecial(char const *s)
/* Quote the string s and return the result. If e is non-zero, the *
* pointer it points to may point to a position in s and in e the position *
* of the corresponding character in the quoted string is returned. Like *
* e, te may point to a position in the string and pl is used to return *
* the position of the character pointed to by te in the quoted string. *
* of the corresponding character in the quoted string is returned. *
* The last argument should be zero if this is to be used outside a string, *
* one if it is to be quoted for the inside of a single quoted string, and *
* two if it is for the inside of double quoted string. *
@ -2964,14 +2962,14 @@ bslashquote(const char *s, char **e, int instring)
{
const char *u, *tt;
char *v;
VARARR(char, buf, 2 * strlen(s) + 1);
char *buf = ncalloc(2 * strlen(s) + 1);
int sf = 0;
tt = v = buf;
u = s;
for (; *u; u++) {
if (e && *e == u)
*e = v, sf |= 1;
*e = v, sf = 1;
if (ispecial(*u) &&
(!instring || (isset(BANGHIST) &&
*u == (char)bangchar) ||
@ -2998,15 +2996,12 @@ bslashquote(const char *s, char **e, int instring)
*v++ = *u;
}
*v = '\0';
tt = dupstring(buf);
v += tt - buf;
if (e && (sf & 1))
*e += tt - buf;
if (e && *e == u)
*e = v;
*e = v, sf = 1;
DPUTS(!e || sf, "BUG: Wild pointer *e in bslashquote()");
return (char *) tt;
return buf;
}
/* Unmetafy and output a string, quoted if it contains special characters. */