diff options
Diffstat (limited to 'src/expand.c')
| -rw-r--r-- | src/expand.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/src/expand.c b/src/expand.c index c5ad37d..14daa63 100644 --- a/src/expand.c +++ b/src/expand.c @@ -116,7 +116,7 @@ static char *expari(char *start, int flag); STATIC void expbackq(union node *, int); STATIC char *evalvar(char *, int); static size_t strtodest(const char *p, int flags); -static void memtodest(const char *p, size_t len, int flags); +static size_t memtodest(const char *p, size_t len, int flags); STATIC ssize_t varvalue(char *, int, int, int); STATIC void expandmeta(struct strlist *, int); #ifdef HAVE_GLOB @@ -133,7 +133,7 @@ STATIC int pmatch(const char *, const char *); #else #define pmatch(a, b) !fnmatch((a), (b), 0) #endif -STATIC int cvtnum(intmax_t); +static size_t cvtnum(intmax_t num, int flags); STATIC size_t esclen(const char *, const char *); STATIC char *scanleft(char *, char *, char *, char *, int, int); STATIC char *scanright(char *, char *, char *, char *, int, int); @@ -463,7 +463,7 @@ static char *expari(char *start, int flag) result = arith(start); popstackmark(&sm); - len = cvtnum(result); + len = cvtnum(result, flag); if (likely(!(flag & EXP_QUOTED))) recordregion(begoff, begoff + len, 0); @@ -746,7 +746,7 @@ again: if (subtype == VSLENGTH) { if (flag & EXP_DISCARD) return p; - cvtnum(varlen > 0 ? varlen : 0); + cvtnum(varlen > 0 ? varlen : 0, flag); goto record; } @@ -795,15 +795,17 @@ record: * Put a string on the stack. */ -static void memtodest(const char *p, size_t len, int flags) +static size_t memtodest(const char *p, size_t len, int flags) { const char *syntax = flags & EXP_QUOTED ? DQSYNTAX : BASESYNTAX; char *q; + char *s; if (unlikely(!len)) - return; + return 0; q = makestrspace(len * 2, expdest); + s = q; do { int c = (signed char)*p++; @@ -818,6 +820,7 @@ static void memtodest(const char *p, size_t len, int flags) } while (--len); expdest = q; + return q - s; } @@ -875,7 +878,7 @@ varvalue(char *name, int varflags, int flags, int quoted) if (num == 0) return -1; numvar: - len = cvtnum(num); + len = cvtnum(num, flags); break; case '-': p = makestrspace(NOPTS, expdest); @@ -1711,15 +1714,13 @@ casematch(union node *pattern, char *val) * Our own itoa(). */ -STATIC int -cvtnum(intmax_t num) +static size_t cvtnum(intmax_t num, int flags) { int len = max_int_length(sizeof(num)); + char buf[len]; - expdest = makestrspace(len, expdest); - len = fmtstr(expdest, len, "%" PRIdMAX, num); - STADJUST(len, expdest); - return len; + len = fmtstr(buf, len, "%" PRIdMAX, num); + return memtodest(buf, len, flags); } STATIC void |