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Use a return value to signal an invalid backslash 

Just for consistency with the rest of the code.
This commit is contained in:
sin 2014-01-06 18:20:26 +00:00
parent bb4d7a0e7e
commit 3aec0ac2a4
1 changed files with 6 additions and 5 deletions
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11
xargs.c
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@ -17,7 +17,7 @@ static void deinputc(int);
static void fillbuf(int);
static int eatspace(void);
static int parsequote(int);
static void parseescape(void);
static int parseescape(void);
static char *poparg(void);
static void pusharg(char *);
static void runcmd(void);
@ -160,7 +160,7 @@ parsequote(int q)
return -1;
}
static void
static int
parseescape(void)
{
int ch;
@ -168,9 +168,9 @@ parseescape(void)
if ((ch = inputc()) != EOF) {
fillbuf(ch);
argbpos++;
return;
return ch;
}
enprintf(EXIT_FAILURE, "backslash at EOF\n");
return -1;
}
static char *
@ -198,7 +198,8 @@ poparg(void)
"unterminated double quote\n");
break;
case '\\':
parseescape();
if (parseescape() == -1)
enprintf(EXIT_FAILURE, "backslash at EOF\n");
break;
default:
fillbuf(ch);