Searched refs:VSNUL (Results 1 – 6 of 6) sorted by relevance
53 #define VSNUL 0x10 /* colon--treat the empty string as unset */ macro
507 varflags &= ~VSNUL; in subevalvar()518 str, (varflags & VSNUL) ? "null or " in subevalvar()628 set = varisset(var, varflags & VSNUL); in evalvar()632 if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) { in evalvar()736 varflags &= ~VSNUL; in evalvar()
192 if (subtype & VSNUL) in sharg()
175 VSMINUS|VSNUL ${var:-text}177 VSPLUS|VSNUL ${var:+text}179 VSQUESTION|VSNUL ${var:?text}181 VSASSIGN|VSNUL ${var=text}
1457 if (subtype & VSNUL) in cmdputs()
1316 flags = VSNUL; in readtoken1()