diff options
Diffstat (limited to 'editors/awk.c')
| -rw-r--r-- | editors/awk.c | 40 |
1 files changed, 28 insertions, 12 deletions
diff --git a/editors/awk.c b/editors/awk.c index 0f8cf94..8f746b4 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -82,6 +82,7 @@ typedef struct func_s { typedef struct rstream_s { FILE *F; char *buffer; + int adv; int size; int pos; unsigned short is_pipe; @@ -426,6 +427,7 @@ static nvblock *cb = NULL; static char *pos; static char *buf; static int icase = FALSE; +static int exiting = FALSE; static struct { unsigned long tclass; @@ -464,7 +466,7 @@ static const char EMSG_NO_MATH[] = "Math support is not compiled in"; static void syntax_error(const char * const message) { bb_error_msg("%s:%i: %s", programname, lineno, message); - awk_exit(1); + exit(1); } #define runtime_error(x) syntax_error(x) @@ -1634,21 +1636,24 @@ static int awk_getline(rstream *rsm, var *v) { char *b; regmatch_t pmatch[2]; - int p, pp=0, size; + int a, p, pp=0, size; int fd, so, eo, r, rp; - char c, *s; + char c, *m, *s; /* we're using our own buffer since we need access to accumulating * characters */ fd = fileno(rsm->F); - b = rsm->buffer; + m = rsm->buffer; + a = rsm->adv; p = rsm->pos; size = rsm->size; c = (char) rsplitter.n.info; rp = 0; + + if (! m) qrealloc(&m, 256, &size); do { - qrealloc(&b, p+128, &size); + b = m + a; so = eo = p; r = 1; if (p > 0) { @@ -1680,6 +1685,14 @@ static int awk_getline(rstream *rsm, var *v) { } } + if (a > 0) { + memmove(m, (const void *)(m+a), p+1); + b = m; + a = 0; + } + + qrealloc(&m, a+p+128, &size); + b = m + a; pp = p; p += safe_read(fd, b+p, size-p-1); if (p < pp) { @@ -1703,11 +1716,9 @@ static int awk_getline(rstream *rsm, var *v) { b[eo] = c; } - p -= eo; - if (p) memmove(b, (const void *)(b+eo), p+1); - - rsm->buffer = b; - rsm->pos = p; + rsm->buffer = m; + rsm->adv = a + eo; + rsm->pos = p - eo; rsm->size = size; return r; @@ -2534,6 +2545,12 @@ static int awk_exit(int r) { unsigned int i; hash_item *hi; + static var tv; + + if (! exiting) { + exiting = TRUE; + evaluate(endseq.first, &tv); + } /* waiting for children */ for (i=0; i<fdhash->csize; i++) { @@ -2581,7 +2598,7 @@ static rstream *next_input_file(void) { if (rsm.F) fclose(rsm.F); rsm.F = NULL; - rsm.pos = 0; + rsm.pos = rsm.adv = 0; do { if (getvar_i(V[ARGIND])+1 >= getvar_i(V[ARGC])) { @@ -2733,7 +2750,6 @@ extern int awk_main(int argc, char **argv) { } - evaluate(endseq.first, &tv); awk_exit(EXIT_SUCCESS); return 0; |