11 static char *getword(FILE *f)
14 return getdelim(&s, (size_t [1]){0}, 0, f) < 0 ? 0 : s;
17 int wordexp(const char *s, wordexp_t *we, int flags)
23 char *redir = (flags & WRDE_SHOWERR) ? "" : "2>/dev/null";
31 if (flags & WRDE_REUSE) wordfree(we);
33 if (flags & WRDE_NOCMD) for (i=0; s[i]; i++) switch (s[i]) {
61 if (!(sq|dq|np)) return WRDE_BADCHAR;
64 if (s[i+1]=='(' && s[i+2]=='(') {
68 } else if (s[i+1] != '(') break;
74 if (flags & WRDE_APPEND) {
80 if (flags & WRDE_DOOFFS) {
81 if (we->we_offs > SIZE_MAX/sizeof(void *)/4)
92 execl("/bin/sh", "sh", "-c",
93 "eval \"printf %s\\\\\\\\0 $1 $2\"",
94 "sh", s, redir, (char *)0);
99 f = fdopen(p[0], "r");
103 waitpid(pid, &status, 0);
109 while ((w = getword(f))) {
112 tmp = realloc(wv, l*sizeof(char *));
119 if (!feof(f)) err = WRDE_NOSPACE;
122 waitpid(pid, &status, 0);
123 if (WEXITSTATUS(status)) {
124 if (!(flags & WRDE_APPEND)) {
127 } else if (wv==we->we_wordv) {
133 we->we_wordc = i - we->we_offs;
137 void wordfree(wordexp_t *we)
140 if (!we->we_wordv) return;
141 for (i=0; i<we->we_wordc; i++) free(we->we_wordv[we->we_offs+i]);