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authorRickard Green <[email protected]>2017-03-27 14:39:49 +0200
committerRickard Green <[email protected]>2017-04-05 14:36:43 +0200
commit74f11bdee247626ed6a3afe558bde4989687e642 (patch)
treea4ca0966d941c35f94825a73d7191ea96f34d4f6 /erts/emulator/pcre/pcre_get.c
parenta748cafdc7063d9f181ba12088db6458793ced2f (diff)
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Update PCRE to version 8.40
Diffstat (limited to 'erts/emulator/pcre/pcre_get.c')
-rw-r--r--erts/emulator/pcre/pcre_get.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/erts/emulator/pcre/pcre_get.c b/erts/emulator/pcre/pcre_get.c
index c0bb21bbbf..86ab8fe5c5 100644
--- a/erts/emulator/pcre/pcre_get.c
+++ b/erts/emulator/pcre/pcre_get.c
@@ -284,6 +284,7 @@ Arguments:
code the compiled regex
stringname the name of the capturing substring
ovector the vector of matched substrings
+ stringcount number of captured substrings
Returns: the number of the first that is set,
or the number of the last one if none are set,
@@ -292,13 +293,16 @@ Returns: the number of the first that is set,
#if defined COMPILE_PCRE8
static int
-get_first_set(const pcre *code, const char *stringname, int *ovector)
+get_first_set(const pcre *code, const char *stringname, int *ovector,
+ int stringcount)
#elif defined COMPILE_PCRE16
static int
-get_first_set(const pcre16 *code, PCRE_SPTR16 stringname, int *ovector)
+get_first_set(const pcre16 *code, PCRE_SPTR16 stringname, int *ovector,
+ int stringcount)
#elif defined COMPILE_PCRE32
static int
-get_first_set(const pcre32 *code, PCRE_SPTR32 stringname, int *ovector)
+get_first_set(const pcre32 *code, PCRE_SPTR32 stringname, int *ovector,
+ int stringcount)
#endif
{
const REAL_PCRE *re = (const REAL_PCRE *)code;
@@ -335,7 +339,7 @@ if (entrysize <= 0) return entrysize;
for (entry = (pcre_uchar *)first; entry <= (pcre_uchar *)last; entry += entrysize)
{
int n = GET2(entry, 0);
- if (ovector[n*2] >= 0) return n;
+ if (n < stringcount && ovector[n*2] >= 0) return n;
}
return GET2(entry, 0);
}
@@ -455,7 +459,7 @@ pcre32_copy_named_substring(const pcre32 *code, PCRE_SPTR32 subject,
PCRE_UCHAR32 *buffer, int size)
#endif
{
-int n = get_first_set(code, stringname, ovector);
+int n = get_first_set(code, stringname, ovector, stringcount);
if (n <= 0) return n;
#if defined COMPILE_PCRE8
#if defined(ERLANG_INTEGRATION)
@@ -520,7 +524,10 @@ pcre_uchar **stringlist;
pcre_uchar *p;
for (i = 0; i < double_count; i += 2)
- size += sizeof(pcre_uchar *) + IN_UCHARS(ovector[i+1] - ovector[i] + 1);
+ {
+ size += sizeof(pcre_uchar *) + IN_UCHARS(1);
+ if (ovector[i+1] > ovector[i]) size += IN_UCHARS(ovector[i+1] - ovector[i]);
+ }
stringlist = (pcre_uchar **)(PUBL(malloc))(size);
if (stringlist == NULL) return PCRE_ERROR_NOMEMORY;
@@ -536,7 +543,7 @@ p = (pcre_uchar *)(stringlist + stringcount + 1);
for (i = 0; i < double_count; i += 2)
{
- int len = ovector[i+1] - ovector[i];
+ int len = (ovector[i+1] > ovector[i])? (ovector[i+1] - ovector[i]) : 0;
memcpy(p, subject + ovector[i], IN_UCHARS(len));
*stringlist++ = p;
p += len;
@@ -700,7 +707,7 @@ pcre32_get_named_substring(const pcre32 *code, PCRE_SPTR32 subject,
PCRE_SPTR32 *stringptr)
#endif
{
-int n = get_first_set(code, stringname, ovector);
+int n = get_first_set(code, stringname, ovector, stringcount);
if (n <= 0) return n;
#if defined COMPILE_PCRE8
#if defined(ERLANG_INTEGRATION)