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| author | Denys Vlasenko | 2021-09-09 19:26:39 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2021-09-30 00:15:44 +0200 |
| commit | 0e0dd2149709217561d54b006c5383e087777cb4 (patch) | |
| tree | dabf2bb43aeb498d8c098064beb26f3a73e92d27 /editors | |
| parent | 118baea06ee83ad2f47f801e82304b442aab71f0 (diff) | |
| download | busybox-0e0dd2149709217561d54b006c5383e087777cb4.zip busybox-0e0dd2149709217561d54b006c5383e087777cb4.tar.gz | |
awk: never return NULL from awk_printf()
function old new delta
awk_printf 651 628 -23
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/awk.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/editors/awk.c b/editors/awk.c index 6644d7d..f6314ac 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -2338,7 +2338,7 @@ static char *awk_printf(node *n, size_t *len) b = NULL; i = 0; - while (*f) { /* "print one format spec" loop */ + while (1) { /* "print one format spec" loop */ char *s; char c; char sv; @@ -2363,7 +2363,7 @@ static char *awk_printf(node *n, size_t *len) slen = f - s; s = xstrndup(s, slen); f++; - goto tail; /* print "....%" part verbatim */ + goto append; /* print "....%" part verbatim */ } while (1) { if (isalpha(c)) @@ -2412,7 +2412,7 @@ static char *awk_printf(node *n, size_t *len) slen = strlen(s); } *f = sv; - + append: if (i == 0) { b = s; i = slen; @@ -2422,7 +2422,7 @@ static char *awk_printf(node *n, size_t *len) b = xrealloc(b, i + slen + 1); strcpy(b + i, s); i += slen; - if (!c) /* tail? */ + if (!c) /* s is NOT allocated and this is the last part of string? */ break; free(s); } |