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awk: fix detection of VAR=VAL arguments

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1NAME=VAL is not it, neither is VA.R=VAL

function                                             old     new   delta
next_input_file                                      216     214      -2
is_assignment                                        115      91     -24
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-26)             Total: -26 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2021-07-02 23:07:21 +02:00
parent 4d902ea9de
commit a5d7b0f4f4
1 changed files with 4 additions and 5 deletions
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9
editors/awk.c
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@ -2679,7 +2679,8 @@ static int is_assignment(const char *expr)
{
char *exprc, *val;
if (!isalnum_(*expr) || (val = strchr(expr, '=')) == NULL) {
val = (char*)endofname(expr);
if (val == (char*)expr || *val != '=') {
return FALSE;
}
@ -2699,7 +2700,6 @@ static rstream *next_input_file(void)
#define rsm (G.next_input_file__rsm)
#define files_happen (G.next_input_file__files_happen)
FILE *F;
const char *fname, *ind;
if (rsm.F)
@ -2712,20 +2712,19 @@ static rstream *next_input_file(void)
if (files_happen)
return NULL;
fname = "-";
F = stdin;
rsm.F = stdin;
break;
}
ind = getvar_s(incvar(intvar[ARGIND]));
fname = getvar_s(findvar(iamarray(intvar[ARGV]), ind));
if (fname && *fname && !is_assignment(fname)) {
F = xfopen_stdin(fname);
rsm.F = xfopen_stdin(fname);
break;
}
}
files_happen = TRUE;
setvar_s(intvar[FILENAME], fname);
rsm.F = F;
return &rsm;
#undef rsm
#undef files_happen