diff options
Diffstat (limited to 'editors/awk.c')
| -rw-r--r-- | editors/awk.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/editors/awk.c b/editors/awk.c index fb3bf6b..9646ced 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -684,8 +684,11 @@ static char nextchar(char **s) pps = *s; if (c == '\\') c = bb_process_escape_sequence((const char**)s); - if (c == '\\' && *s == pps) - c = *(*s)++; + if (c == '\\' && *s == pps) { /* unrecognized \z? */ + c = *(*s); /* yes, fetch z */ + if (c) + (*s)++; /* advance unless z = NUL */ + } return c; } @@ -1007,9 +1010,10 @@ static uint32_t next_token(uint32_t expected) /* it's a string */ t_string = s = ++p; while (*p != '\"') { - char *pp = p; + char *pp; if (*p == '\0' || *p == '\n') syntax_error(EMSG_UNEXP_EOS); + pp = p; *s++ = nextchar(&pp); p = pp; } @@ -2926,22 +2930,21 @@ static int awk_exit(int r) * otherwise return 0 */ static int is_assignment(const char *expr) { - char *exprc, *s, *s0, *s1; + char *exprc, *val, *s, *s1; - if (!isalnum_(*expr) || (s0 = strchr(expr, '=')) == NULL) { + if (!isalnum_(*expr) || (val = strchr(expr, '=')) == NULL) { return FALSE; } exprc = xstrdup(expr); - s0 = exprc + (s0 - expr); - *s++ = '\0'; + val = exprc + (val - expr); + *val++ = '\0'; - s = s1 = s0; - while (*s) - *s1++ = nextchar(&s); - *s1 = '\0'; + s = s1 = val; + while ((*s1 = nextchar(&s)) != '\0') + s1++; - setvar_u(newvar(exprc), s0); + setvar_u(newvar(exprc), val); free(exprc); return TRUE; } |