diff options
Diffstat (limited to 'contrib/string/string_io.c')
| -rw-r--r-- | contrib/string/string_io.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/contrib/string/string_io.c b/contrib/string/string_io.c index e1fc867497f..9407e6a21b3 100644 --- a/contrib/string/string_io.c +++ b/contrib/string/string_io.c @@ -50,8 +50,8 @@ * representation of data. */ -char * -string_output(char *data, int size) +unsigned char * +string_output(unsigned char *data, int size) { register unsigned char c, *p, @@ -79,8 +79,6 @@ string_output(char *data, int size) { case '\\': case '"': - case '{': - case '}': case '\b': case '\f': case '\n': @@ -89,6 +87,12 @@ string_output(char *data, int size) case '\v': len++; break; + case '{': + /* Escape beginning of string, to distinguish from arrays */ + if (p == data) { + len++; + } + break; default: if (NOTPRINTABLE(*p)) len += 3; @@ -104,8 +108,6 @@ string_output(char *data, int size) { case '\\': case '"': - case '{': - case '}': *r++ = '\\'; *r++ = c; break; @@ -133,6 +135,13 @@ string_output(char *data, int size) *r++ = '\\'; *r++ = 'v'; break; + case '{': + /* Escape beginning of string, to distinguish from arrays */ + if (p == data) { + *r++ = '\\'; + } + *r++ = c; + break; default: if (NOTPRINTABLE(c)) { @@ -180,8 +189,8 @@ string_output(char *data, int size) * a pointer to the new string or the header. */ -char * -string_input(char *str, int size, int hdrsize, int *rtn_size) +unsigned char * +string_input(unsigned char *str, int size, int hdrsize, int *rtn_size) { register unsigned char *p, *r; @@ -285,7 +294,7 @@ string_input(char *str, int size, int hdrsize, int *rtn_size) return ((char *) result); } -char * +unsigned char * c_charout(int32 c) { char str[2]; @@ -300,7 +309,7 @@ c_charout(int32 c) * This can be used for SET, bytea, text and unknown data types */ -char * +unsigned char * c_textout(struct varlena * vlena) { int len = 0; @@ -318,8 +327,8 @@ c_textout(struct varlena * vlena) * This can be used for varchar and bpchar strings */ -char * -c_varcharout(char *s) +unsigned char * +c_varcharout(unsigned char *s) { int len = 0; @@ -333,7 +342,7 @@ c_varcharout(char *s) #if 0 struct varlena * -c_textin(char *str) +c_textin(unsigned char *str) { struct varlena *result; int len; @@ -348,7 +357,7 @@ c_textin(char *str) } int32 * -c_charin(char *str) +c_charin(unsigned char *str) { return (string_input(str, 1, 0, NULL)); } |