diff options
Diffstat (limited to 'generic/tclUtil.c')
| -rw-r--r-- | generic/tclUtil.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/generic/tclUtil.c b/generic/tclUtil.c index 211a7cd..d6e5b7b 100644 --- a/generic/tclUtil.c +++ b/generic/tclUtil.c @@ -327,14 +327,13 @@ TclFindElement( * * TclCopyAndCollapse -- * - * Copy a string and eliminate any backslashes that aren't in braces. + * Copy a string and substitute all backslash escape sequences * * Results: - * Count characters get copied from src to dst. Along the way, if - * backslash sequences are found outside braces, the backslashes are - * eliminated in the copy. After scanning count chars from source, a null - * character is placed at the end of dst. Returns the number of - * characters that got copied. + * Count bytes get copied from src to dst. Along the way, backslash + * sequences are substituted in the copy. After scanning count bytes + * from src, a null character is placed at the end of dst. Returns + * the number of bytes that got written to dst. * * Side effects: * None. @@ -344,26 +343,28 @@ TclFindElement( int TclCopyAndCollapse( - int count, /* Number of characters to copy from src. */ + int count, /* Number of byte to copy from src. */ CONST char *src, /* Copy from here... */ char *dst) /* ... to here. */ { - register char c; - int numRead; int newCount = 0; - int backslashCount; - for (c = *src; count > 0; src++, c = *src, count--) { + while (count > 0) { + char c = *src; if (c == '\\') { - backslashCount = Tcl_UtfBackslash(src, &numRead, dst); + int numRead; + int backslashCount = TclParseBackslash(src, count, &numRead, dst); + dst += backslashCount; newCount += backslashCount; - src += numRead-1; - count -= numRead-1; + src += numRead; + count -= numRead; } else { *dst = c; dst++; newCount++; + src++; + count--; } } *dst = 0; @@ -740,7 +741,7 @@ Tcl_ScanCountedElement( } else { int size; - Tcl_UtfBackslash(p, &size, NULL); + TclParseBackslash(p, lastChar - p, &size, NULL); p += size-1; flags |= USE_BRACES; } |