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Get a u_char from the string, otherwise it isn't possible to enter \0377 as it 

is mistaken for EOF (doh).

Also drop an unused argument.
pull/1/head
Nicholas Marriott 2009-11-26 21:14:30 +00:00
parent 9c0147915e
commit 3e147967e2
1 changed files with 8 additions and 6 deletions
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14
cmd-string.c
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@ -32,7 +32,7 @@
*/ */
int cmd_string_getc(const char *, size_t *); int cmd_string_getc(const char *, size_t *);
void cmd_string_ungetc(const char *, size_t *); void cmd_string_ungetc(size_t *);
char *cmd_string_string(const char *, size_t *, char, int); char *cmd_string_string(const char *, size_t *, char, int);
char *cmd_string_variable(const char *, size_t *); char *cmd_string_variable(const char *, size_t *);
char *cmd_string_expand_tilde(const char *, size_t *); char *cmd_string_expand_tilde(const char *, size_t *);
@ -40,13 +40,15 @@ char *cmd_string_expand_tilde(const char *, size_t *);
int int
cmd_string_getc(const char *s, size_t *p) cmd_string_getc(const char *s, size_t *p)
{ {
if (s[*p] == '\0') const u_char *ucs = s;
if (ucs[*p] == '\0')
return (EOF); return (EOF);
return (s[(*p)++]); return (ucs[(*p)++]);
} }
void void
cmd_string_ungetc(unused const char *s, size_t *p) cmd_string_ungetc(size_t *p)
{ {
(*p)--; (*p)--;
} }
@ -306,7 +308,7 @@ cmd_string_variable(const char *s, size_t *p)
if (fch == '{' && ch != '}') if (fch == '{' && ch != '}')
goto error; goto error;
if (ch != EOF && fch != '{') if (ch != EOF && fch != '{')
cmd_string_ungetc(s, p); /* ch */ cmd_string_ungetc(p); /* ch */
buf = xrealloc(buf, 1, len + 1); buf = xrealloc(buf, 1, len + 1);
buf[len] = '\0'; buf[len] = '\0';
@ -337,7 +339,7 @@ cmd_string_expand_tilde(const char *s, size_t *p)
home = pw->pw_dir; home = pw->pw_dir;
} }
} else { } else {
cmd_string_ungetc(s, p); cmd_string_ungetc(p);
if ((username = cmd_string_string(s, p, '/', 0)) == NULL) if ((username = cmd_string_string(s, p, '/', 0)) == NULL)
return (NULL); return (NULL);
if ((pw = getpwnam(username)) != NULL) if ((pw = getpwnam(username)) != NULL)