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Rename _i,_argused to i_,argused_

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Thanks Michael Forney for reporting this! We cannot use identifiers
beginning with an underscore, says the C99-standard, section 7.1.3:

"All identifiers that begin with an underscore are always reserved for
use as identifiers with file scope in both the ordinary and tag name
spaces."

We go around this by putting the underscore at the end.
This commit is contained in:
Laslo Hunhold 2017-08-04 17:53:43 +02:00
parent 3a7c6ec0b9
commit 0b1c60eea2
1 changed files with 8 additions and 8 deletions
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16
arg.h
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@ -23,15 +23,15 @@ extern char *argv0;
/* int main(int argc, char *argv[]) */
#define ARGBEGIN for (argv0 = *argv, *argv ? (argc--, argv++) : ((void *)0); \
*argv && (*argv)[0] == '-' && (*argv)[1]; argc--, argv++) { \
int _i, _argused; \
int i_, argused_; \
if ((*argv)[1] == '-' && !(*argv)[2]) { \
argc--, argv++; \
break; \
} \
for (_i = 1, _argused = 0; (*argv)[_i]; _i++) { \
switch((*argv)[_i])
#define ARGEND if (_argused) { \
if ((*argv)[_i + 1]) { \
for (i_ = 1, argused_ = 0; (*argv)[i_]; i_++) { \
switch((*argv)[i_])
#define ARGEND if (argused_) { \
if ((*argv)[i_ + 1]) { \
break; \
} else { \
argc--, argv++; \
@ -40,9 +40,9 @@ extern char *argv0;
} \
} \
}
#define ARGC() ((*argv)[_i])
#define ARGF_(x) (((*argv)[_i + 1]) ? (_argused = 1, &((*argv)[_i + 1])) : \
(*(argv + 1)) ? (_argused = 1, *(argv + 1)) : (x))
#define ARGC() ((*argv)[i_])
#define ARGF_(x) (((*argv)[i_ + 1]) ? (argused_ = 1, &((*argv)[i_ + 1])) : \
(*(argv + 1)) ? (argused_ = 1, *(argv + 1)) : (x))
#define EARGF(x) ARGF_(((x), exit(1), (char *)0))
#define ARGF() ARGF_((char *)0)