caa93ecdd
Denys Vlasenko
2021-07-11
Subject
awk: fix corner case in awk_printf
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editors/awk.c+4 -4
| @@ -2359,11 +2359,11 @@ static char *awk_printf(node *n, size_t *len) | |
| * printf "%99999s", "BOOM" | |
| */ | |
| if (c == 'c') { | |
| - | c = is_numeric(arg) ? getvar_i(arg) : *getvar_s(arg); |
| - | s = xasprintf(s, c); |
| - | /* + 1 if c == NUL: handle printf "%c" 0 case |
| + | char cc = is_numeric(arg) ? getvar_i(arg) : *getvar_s(arg); |
| + | s = xasprintf(s, cc); |
| + | /* + 1 if cc == NUL: handle printf "%c" 0 case |
| * (and printf "%22c" 0 etc, but still fails for e.g. printf "%-22c" 0) */ | |
| - | slen = strlen(s) + (c == '\0'); |
| + | slen = strlen(s) + (cc == '\0'); |
| } else { | |
| if (c == 's') { | |
| s = xasprintf(s, getvar_s(arg)); | |