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3 | 3 | * procedural language |
4 | 4 | * |
5 | 5 | * IDENTIFICATION |
6 | | - * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.17 2001/11/15 23:31:09 tgl Exp $ |
| 6 | + * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.18 2002/05/05 17:38:26 tgl Exp $ |
7 | 7 | * |
8 | 8 | * This software is copyrighted by Jan Wieck - Hamburg. |
9 | 9 | * |
@@ -64,6 +64,7 @@ plpgsql_dstring_init(PLpgSQL_dstring * ds) |
64 | 64 | { |
65 | 65 | ds->value=palloc(ds->alloc=512); |
66 | 66 | ds->used=0; |
| 67 | +ds->value[0]='\0'; |
67 | 68 | } |
68 | 69 |
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69 | 70 |
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86 | 87 | plpgsql_dstring_append(PLpgSQL_dstring*ds,char*str) |
87 | 88 | { |
88 | 89 | intlen=strlen(str); |
| 90 | +intneeded=ds->used+len+1; |
89 | 91 |
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90 | | -if (ds->used+len+1>ds->alloc) |
| 92 | +if (needed>ds->alloc) |
91 | 93 | { |
92 | | -ds->alloc *=2; |
| 94 | +/* might have to double more than once, if len is large */ |
| 95 | +do { |
| 96 | +ds->alloc *=2; |
| 97 | +}while (needed>ds->alloc); |
93 | 98 | ds->value=repalloc(ds->value,ds->alloc); |
94 | 99 | } |
95 | 100 |
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