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improve calc error code system

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Changed calc_errno a global int variable so that is may be directly
accessed by libcalc users.

Further improve help files for help/errno, help/error, help/newerror,
help/stoponerror and help/strerror by adding to documentation
of the calc error code system as well as libcalc interface
where applicable.
This commit is contained in:
Landon Curt Noll
2023-09-12 16:06:27 -07:00
parent 19819340ff
commit 229a60e4d5
8 changed files with 162 additions and 80 deletions
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10
opcodes.c
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@@ -57,7 +57,6 @@
STATIC VALUE stackarray[MAXSTACK]; /* storage for stack */
STATIC VALUE oldvalue; /* previous calculation value */
STATIC bool saveval = true; /* to enable or disable saving */
STATIC int calc_errno; /* most recent error-number */
STATIC int errcount; /* counts calls to error_value */
STATIC bool go;
STATIC long calc_depth;
@@ -65,10 +64,11 @@ STATIC long calc_depth;
/*
* global symbols
*/
VALUE *stack; /* current location of top of stack */
int dumpnames; /* names if true, otherwise indices */
char *funcname; /* function being executed */
long funcline; /* function line being executed */
VALUE *stack = NULL; /* current location of top of stack */
int dumpnames = false; /* names if true, otherwise indices */
char *funcname = NULL; /* function being executed */
long funcline = 0; /* function line being executed */
int calc_errno = 0; /* global calc_errno value */
/*