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Use a return value to signal an invalid backslash

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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 void fillbuf(int);
static int eatspace(void); static int eatspace(void);
static int parsequote(int); static int parsequote(int);
static void parseescape(void); static int parseescape(void);
static char *poparg(void); static char *poparg(void);
static void pusharg(char *); static void pusharg(char *);
static void runcmd(void); static void runcmd(void);
@ -160,7 +160,7 @@ parsequote(int q)
return -1; return -1;
} }
static void static int
parseescape(void) parseescape(void)
{ {
int ch; int ch;
@ -168,9 +168,9 @@ parseescape(void)
if ((ch = inputc()) != EOF) { if ((ch = inputc()) != EOF) {
fillbuf(ch); fillbuf(ch);
argbpos++; argbpos++;
return; return ch;
} }
enprintf(EXIT_FAILURE, "backslash at EOF\n"); return -1;
} }
static char * static char *
@ -198,7 +198,8 @@ poparg(void)
"unterminated double quote\n"); "unterminated double quote\n");
break; break;
case '\\': case '\\':
parseescape(); if (parseescape() == -1)
enprintf(EXIT_FAILURE, "backslash at EOF\n");
break; break;
default: default:
fillbuf(ch); fillbuf(ch);