Module: ppl/ppl Branch: master Commit: 0739cd0ea3eaac5d117266245898b505901da822 URL: http://www.cs.unipr.it/git/gitweb.cgi?p=ppl/ppl.git;a=commit;h=0739cd0ea3eaa...
Author: Enea Zaffanella zaffanella@cs.unipr.it Date: Thu Feb 23 18:21:22 2012 +0100
Rewritten function to avoid mixing signed and unsigned integer types. Detected by ECLAIR service utypflag.
---
src/wrap_string.cc | 57 +++++++++++++++++++++++++++------------------------ 1 files changed, 30 insertions(+), 27 deletions(-)
diff --git a/src/wrap_string.cc b/src/wrap_string.cc index 1845f8d..06dac11 100644 --- a/src/wrap_string.cc +++ b/src/wrap_string.cc @@ -23,6 +23,7 @@ site: http://bugseng.com/products/ppl/ . */
#include "ppl-config.h" #include "wrap_string.hh" +#include "assert.hh" #include <cstdlib>
namespace Parma_Polyhedra_Library { @@ -31,48 +32,50 @@ namespace IO_Operators {
std::string wrap_string(const std::string& src_string, - unsigned indent_depth, - unsigned preferred_first_line_length, - unsigned preferred_line_length) { + const unsigned indent_depth, + const unsigned preferred_first_line_length, + const unsigned preferred_line_length) { + const unsigned npos = C_Integer<unsigned>::max; std::string dst_string; const char *src = src_string.c_str(); - for (int line = 0; ; ++line) { - int line_length = ((line == 0) - ? preferred_first_line_length - : preferred_line_length); - int last_comma = -1; - int last_space = -1; - int split_pos = -1; - int i; - for (i = 0; i <= line_length; ++i) { - if (src[i] == '\0' || src[i] == '\n') { - split_pos = i; + for (unsigned line = 0; ; ++line) { + const unsigned line_length = ((line == 0) + ? preferred_first_line_length + : preferred_line_length); + unsigned last_comma = npos; + unsigned last_space = npos; + unsigned split_pos = npos; + unsigned idx; + for (idx = 0; idx <= line_length; ++idx) { + if (src[idx] == '\0' || src[idx] == '\n') { + split_pos = idx; break; } - if (src[i] == ',' && i < line_length) - last_comma = i; - if (is_space(src[i]) && (i == 0 || !is_space(src[i-1]))) - last_space = i; + if (src[idx] == ',' && idx < line_length) + last_comma = idx; + if (is_space(src[idx]) && (idx == 0 || !is_space(src[idx-1]))) + last_space = idx; } - if (split_pos < 0) { - if (last_comma >= 0) + if (split_pos == npos) { + if (last_comma != npos) split_pos = last_comma + 1; - else if (last_space >= 0) + else if (last_space != npos) split_pos = last_space; else { - for ( ; src[i] != 0; ++i) { - if (src[i] == ',') { - ++i; + for ( ; src[idx] != 0; ++idx) { + if (src[idx] == ',') { + ++idx; break; } - if (is_space(src[i])) + if (is_space(src[idx])) break; } - split_pos = i; + split_pos = idx; } } + PPL_ASSERT(split_pos != npos); if (split_pos > 0 && line > 0 && indent_depth > 0) - dst_string.append(indent_depth, ' '); + dst_string.append(indent_depth, ' '); dst_string.append(src, split_pos); src += split_pos; if (is_space(*src))