From: drh <>
Date: Wed, 31 Dec 2025 18:46:13 +0000 (+0000)
Subject: Use 64-bit integers to track memory allocation sizes in the CSV extension.
X-Git-Tag: release~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=632632ced323653155f31e24cfe6d75c8135152c;p=thirdparty%2Fsqlite.git

Use 64-bit integers to track memory allocation sizes in the CSV extension.

FossilOrigin-Name: 54398a2504a8a2ac47a461518df51406b29e63f1688f6ec108a41ac7b4b346f9
---

diff --git a/ext/misc/csv.c b/ext/misc/csv.c
index 8331265aa0..1caaaec876 100644
--- a/ext/misc/csv.c
+++ b/ext/misc/csv.c
@@ -62,6 +62,9 @@ SQLITE_EXTENSION_INIT1
 #  define CSV_NOINLINE
 #endif
 
+#ifndef SQLITEINT_H
+typedef sqlite3_int64 i64;
+#endif
 
 /* Max size of the error message in a CsvReader */
 #define CSV_MXERR 200
@@ -74,9 +77,9 @@ typedef struct CsvReader CsvReader;
 struct CsvReader {
   FILE *in;              /* Read the CSV text from this input stream */
   char *z;               /* Accumulated text for a field */
-  int n;                 /* Number of bytes in z */
-  int nAlloc;            /* Space allocated for z[] */
-  int nLine;             /* Current line number */
+  i64 n;                 /* Number of bytes in z */
+  i64 nAlloc;            /* Space allocated for z[] */
+  i64 nLine;             /* Current line number */
   int bNotFirst;         /* True if prior text has been seen */
   int cTerm;             /* Character that terminated the most recent field */
   size_t iIn;            /* Next unread character in the input buffer */
@@ -174,7 +177,7 @@ static int csv_getc(CsvReader *p){
 ** Return 0 on success and non-zero if there is an OOM error */
 static CSV_NOINLINE int csv_resize_and_append(CsvReader *p, char c){
   char *zNew;
-  int nNew = p->nAlloc*2 + 100;
+  i64 nNew = p->nAlloc*2 + 100;
   zNew = sqlite3_realloc64(p->z, nNew);
   if( zNew ){
     p->z = zNew;
@@ -510,7 +513,6 @@ static int csvtabConnect(
 # define CSV_DATA     (azPValue[1])
 # define CSV_SCHEMA   (azPValue[2])
 
-
   assert( sizeof(azPValue)==sizeof(azParam) );
   memset(&sRdr, 0, sizeof(sRdr));
   memset(azPValue, 0, sizeof(azPValue));
diff --git a/manifest b/manifest
index 658fe805c2..a6ab71b4b0 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Update\sthe\sautoconf\starball\sMakefile.msc\sto\salign\swith\sthe\scanonical\smakefile.
-D 2025-12-31T11:00:51.432
+C Use\s64-bit\sintegers\sto\strack\smemory\sallocation\ssizes\sin\sthe\sCSV\sextension.
+D 2025-12-31T18:46:13.516
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -367,7 +367,7 @@ F ext/misc/cksumvfs.c 9d7d0cf1a8893ac5d48922bfe9f3f217b4a61a6265f559263a02bb2001
 F ext/misc/closure.c 5559daf1daf742228431db929d1aa86dd535a4224cc634a81d2fd0d1e6ad7839
 F ext/misc/completion.c c27b64fdd0943c1b7f152376599814cee2641f7d67a7bb9bd2b957c2a64a5591
 F ext/misc/compress.c 8191118b9b73e7796c961790db62d35d9b0fb724b045e005a5713dc9e0795565
-F ext/misc/csv.c 7cae8c2666a058a58fb8994ed2457339a06c97d31c251d9a8445cdd966629890
+F ext/misc/csv.c d9dab032420d81cdf0abc4b8523711d20a355704f82d958f963c86be48387dd9
 F ext/misc/dbdump.c 678f1b9ae2317b4473f65d03132a2482c3f4b08920799ed80feedd2941a06680
 F ext/misc/decimal.c d4883de142f6dcd36eda23da40b55e2b51374e7b01eb54a7173940191389fc5e
 F ext/misc/eval.c 04bc9aada78c888394204b4ed996ab834b99726fb59603b0ee3ed6e049755dc1
@@ -2171,8 +2171,9 @@ F tool/version-info.c 33d0390ef484b3b1cb685d59362be891ea162123cea181cb8e6d2cf6dd
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 15400ce39b83ebc384b5eb17eba87452b937c0b00117c1575a51c6e6139fe3b1
-R 860aee095ddd905dfe33a5cc6c4c963f
+P 390dfd6366a7e9a9b4c6454c0b281279d8fcf8ffdb14b8b4d945591cb37812bc
+Q +f293a2b3ffcfe20fcda954bd31e88bbfcba18d007e9b5f29a473983f6030f2ce
+R 1cad0409a236c60fee4f449d5e5f8f2f
 U drh
-Z 23a44e6e6792ee157915ead59172b862
+Z cd89d9fab6c9de0dbb67594ce33d5309
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 6db7fb1f99..fd8f1e062c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-390dfd6366a7e9a9b4c6454c0b281279d8fcf8ffdb14b8b4d945591cb37812bc
+54398a2504a8a2ac47a461518df51406b29e63f1688f6ec108a41ac7b4b346f9