diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/expand.c | 4 | ||||
| -rw-r--r-- | src/parser.c | 7 |
2 files changed, 8 insertions, 3 deletions
diff --git a/src/expand.c b/src/expand.c index e3e5d8f..54fe908 100644 --- a/src/expand.c +++ b/src/expand.c @@ -749,6 +749,10 @@ evalvar(char *p, int flag) varflags = *p++; subtype = varflags & VSTYPE; + + if (!subtype) + sh_error("Bad substitution"); + quoted = flag & EXP_QUOTED; var = p; easy = (!quoted || (*var == '@' && shellparam.nparam)); diff --git a/src/parser.c b/src/parser.c index d0e0553..4b8a5fe 100644 --- a/src/parser.c +++ b/src/parser.c @@ -1204,9 +1204,8 @@ varname: USTPUTC(cc, out); } else -badsub: synerror("Bad substitution"); + goto badsub; - STPUTC('=', out); if (subtype == 0) { switch (c) { case ':': @@ -1216,7 +1215,7 @@ badsub: synerror("Bad substitution"); default: p = strchr(types, c); if (p == NULL) - goto badsub; + break; subtype |= p - types + VSNORMAL; break; case '%': @@ -1234,6 +1233,7 @@ badsub: synerror("Bad substitution"); } } } else { +badsub: pungetc(); } *((char *)stackblock() + typeloc) = subtype; @@ -1242,6 +1242,7 @@ badsub: synerror("Bad substitution"); if (dblquote) dqvarnest++; } + STPUTC('=', out); } goto parsesub_return; } |