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Add equates with ISO 8601 date and time

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Added `__TIMESTAMP_ISO_8601_LOCAL__` and `__TIMESTAMP_ISO_8601_UTC__`,
with the correct ISO 8601 representation of time and date from years to
seconds (including local timezone in the local time string).

Also, if the current time cannot be obtained from the OS, it will output
a warning and the time strings will be filled with '?' instead of
numbers and characters.

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
This commit is contained in:
Antonio Niño Díaz
2017-04-09 16:49:34 +01:00
parent 23584a584f
commit 5cfa15f963
1 changed files with 30 additions and 8 deletions
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36
src/asm/symbol.c
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@@ -12,6 +12,7 @@
#include "asm/main.h"
#include "asm/mymath.h"
#include "asm/output.h"
#include "extern/err.h"
struct sSymbol *tHashedSymbols[HASHSIZE];
struct sSymbol *pScope = NULL;
@@ -21,6 +22,8 @@ char *currentmacroargs[MAXMACROARGS + 1];
char *newmacroargs[MAXMACROARGS + 1];
char SavedTIME[256];
char SavedDATE[256];
char SavedTIMESTAMP_ISO8601_LOCAL[256];
char SavedTIMESTAMP_ISO8601_UTC[256];
bool exportall;
SLONG
@@ -795,6 +798,8 @@ sym_PrepPass2(void)
sym_AddString("__TIME__", SavedTIME);
sym_AddString("__DATE__", SavedDATE);
sym_AddString("__TIMESTAMP_ISO_8601_LOCAL__", SavedTIMESTAMP_ISO8601_LOCAL);
sym_AddString("__TIMESTAMP_ISO_8601_UTC__", SavedTIMESTAMP_ISO8601_UTC);
sym_AddSet("_RS", 0);
sym_AddEqu("_NARG", 0);
@@ -811,7 +816,7 @@ void
sym_Init(void)
{
SLONG i;
time_t tod;
time_t now;
for (i = 0; i < MAXMACROARGS; i += 1) {
currentmacroargs[i] = NULL;
@@ -829,15 +834,32 @@ sym_Init(void)
sym_AddSet("_RS", 0);
if (time(&tod) != -1) {
struct tm *tptr;
if (time(&now) != -1) {
struct tm *time_local = localtime(&now);
strftime(SavedTIME, sizeof(SavedTIME), "\"%H:%M:%S\"", time_local);
strftime(SavedDATE, sizeof(SavedDATE), "\"%d %B %Y\"", time_local);
strftime(SavedTIMESTAMP_ISO8601_LOCAL,
sizeof(SavedTIMESTAMP_ISO8601_LOCAL), "\"%FT%T%z\"", time_local);
struct tm *time_utc = gmtime(&now);
strftime(SavedTIMESTAMP_ISO8601_UTC,
sizeof(SavedTIMESTAMP_ISO8601_UTC), "\"%FT%TZ\"", time_utc);
} else {
warnx("Couldn't determine current time.");
/* The '?' have to be escaped or they will be treated as
* trigraphs... */
strcpy(SavedTIME, "\"\?\?:\?\?:\?\?\"");
strcpy(SavedDATE, "\"\?\? \?\?\? \?\?\?\?\"");
strcpy(SavedTIMESTAMP_ISO8601_LOCAL, "\"\?\?\?\?-\?\?-\?\?T\?\?:\?\?:\?\?+\?\?\?\?\"");
strcpy(SavedTIMESTAMP_ISO8601_UTC, "\"\?\?\?\?-\?\?-\?\?T\?\?:\?\?:\?\?Z\"");
}
tptr = localtime(&tod);
strftime(SavedTIME, sizeof(SavedTIME), "\"%H:%M:%S\"", tptr);
strftime(SavedDATE, sizeof(SavedDATE), "\"%d %B %Y\"", tptr);
sym_AddString("__TIME__", SavedTIME);
sym_AddString("__DATE__", SavedDATE);
}
sym_AddString("__TIMESTAMP_ISO_8601_LOCAL__", SavedTIMESTAMP_ISO8601_LOCAL);
sym_AddString("__TIMESTAMP_ISO_8601_UTC__", SavedTIMESTAMP_ISO8601_UTC);
pScope = NULL;
math_DefinePI();