Mercurial > urweb
diff src/c/urweb.c @ 280:fdd7a698be01
Compiling a parametrized query the inefficient way
author | Adam Chlipala <adamc@hcoop.net> |
---|---|
date | Tue, 02 Sep 2008 17:31:45 -0400 |
parents | 137744c5b1ae |
children | 7d5860add50f |
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--- a/src/c/urweb.c Tue Sep 02 16:18:05 2008 -0400 +++ b/src/c/urweb.c Tue Sep 02 17:31:45 2008 -0400 @@ -589,3 +589,41 @@ return s; } + + +lw_Basis_string lw_Basis_sqlifyString(lw_context ctx, lw_Basis_string s) { + char *r, *s2; + + lw_check_heap(ctx, strlen(s) * 2 + 4); + + r = s2 = ctx->heap_front; + *s2++ = 'E'; + *s2++ = '\''; + + for (; *s; s++) { + char c = *s; + + switch (c) { + case '\'': + strcpy(s2, "\\'"); + s2 += 2; + break; + case '\\': + strcpy(s2, "\\\\"); + s2 += 2; + break; + default: + if (isprint(c)) + *s2++ = c; + else { + sprintf(s2, "\\%3o", c); + s2 += 4; + } + } + } + + *s2++ = '\''; + *s2++ = 0; + ctx->heap_front = s2; + return r; +}