Searched refs:VSNUL (Results 1 - 4 of 4) sorted by relevance

/freebsd-9.3-release/bin/sh/
H A Dparser.h50 #define VSNUL 0x10 /* colon--treat the empty string as unset */ macro
H A Dexpand.c564 varflags &= ~VSNUL;
573 str, (varflags & VSNUL) ? "null or "
692 set = varisset(var, varflags & VSNUL);
696 if (val == NULL || ((varflags & VSNUL) && val[0] == '\0')) {
809 varflags &= ~VSNUL;
H A Dshow.c200 if (subtype & VSNUL)
H A Dparser.c1706 flags |= VSNUL;
1714 if (flags == VSNUL)

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