Bug: https://bugs.gentoo.org/881867

--- a/src/unzip/ioapi.c
+++ b/src/unzip/ioapi.c
@@ -65,10 +65,7 @@
    voidpf stream));
 
 
-voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
-   voidpf opaque;
-   const char* filename;
-   int mode;
+voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
 {
     FILE* file = NULL;
     const char* mode_fopen = NULL;
@@ -87,11 +84,7 @@
 }
 
 
-uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
-   voidpf opaque;
-   voidpf stream;
-   void* buf;
-   uLong size;
+uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size)
 {
     uLong ret;
     ret = fread(buf, 1, (size_t)size, (FILE *)stream);
@@ -99,31 +92,21 @@
 }
 
 
-uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
-   voidpf opaque;
-   voidpf stream;
-   const void* buf;
-   uLong size;
+uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size)
 {
     uLong ret;
     ret = fwrite(buf, 1, (size_t)size, (FILE *)stream);
     return ret;
 }
 
-long ZCALLBACK ftell_file_func (opaque, stream)
-   voidpf opaque;
-   voidpf stream;
+long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
 {
     long ret;
     ret = ftell((FILE *)stream);
     return ret;
 }
 
-long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
-   voidpf opaque;
-   voidpf stream;
-   uLong offset;
-   int origin;
+long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin)
 {
     int fseek_origin=0;
     long ret;
@@ -145,26 +128,21 @@
     return ret;
 }
 
-int ZCALLBACK fclose_file_func (opaque, stream)
-   voidpf opaque;
-   voidpf stream;
+int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream)
 {
     int ret;
     ret = fclose((FILE *)stream);
     return ret;
 }
 
-int ZCALLBACK ferror_file_func (opaque, stream)
-   voidpf opaque;
-   voidpf stream;
+int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream)
 {
     int ret;
     ret = ferror((FILE *)stream);
     return ret;
 }
 
-void fill_fopen_filefunc (pzlib_filefunc_def)
-  zlib_filefunc_def* pzlib_filefunc_def;
+void fill_fopen_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
 {
     pzlib_filefunc_def->zopen_file = fopen_file_func;
     pzlib_filefunc_def->zread_file = fread_file_func;
--- a/src/unzip/unzip.c
+++ b/src/unzip/unzip.c
@@ -168,10 +168,7 @@
     voidpf filestream,
     int *pi));
 
-local int unzlocal_getByte(pzlib_filefunc_def,filestream,pi)
-    const zlib_filefunc_def* pzlib_filefunc_def;
-    voidpf filestream;
-    int *pi;
+local int unzlocal_getByte(const zlib_filefunc_def* pzlib_filefunc_def, voidpf filestream, int *pi)
 {
     unsigned char c;
     int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
@@ -198,10 +195,7 @@
     voidpf filestream,
     uLong *pX));
 
-local int unzlocal_getShort (pzlib_filefunc_def,filestream,pX)
-    const zlib_filefunc_def* pzlib_filefunc_def;
-    voidpf filestream;
-    uLong *pX;
+local int unzlocal_getShort (const zlib_filefunc_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)
 {
     uLong x ;
     int i;
@@ -226,10 +220,7 @@
     voidpf filestream,
     uLong *pX));
 
-local int unzlocal_getLong (pzlib_filefunc_def,filestream,pX)
-    const zlib_filefunc_def* pzlib_filefunc_def;
-    voidpf filestream;
-    uLong *pX;
+local int unzlocal_getLong (const zlib_filefunc_def* pzlib_filefunc_def, voidpf filestream, uLong *pX)
 {
     uLong x ;
     int i;
@@ -259,9 +250,7 @@
 
 
 /* My own strcmpi / strcasecmp */
-local int strcmpcasenosensitive_internal (fileName1,fileName2)
-    const char* fileName1;
-    const char* fileName2;
+local int strcmpcasenosensitive_internal (const char* fileName1, const char* fileName2)
 {
     for (;;)
     {
@@ -302,10 +291,7 @@
         (like 1 on Unix, 2 on Windows)
 
 */
-extern int ZEXPORT unzStringFileNameCompare (fileName1,fileName2,iCaseSensitivity)
-    const char* fileName1;
-    const char* fileName2;
-    int iCaseSensitivity;
+extern int ZEXPORT unzStringFileNameCompare (const char* fileName1, const char* fileName2, int iCaseSensitivity)
 {
     if (iCaseSensitivity==0)
         iCaseSensitivity=CASESENSITIVITYDEFAULTVALUE;
@@ -328,9 +314,7 @@
     const zlib_filefunc_def* pzlib_filefunc_def,
     voidpf filestream));
 
-local uLong unzlocal_SearchCentralDir(pzlib_filefunc_def,filestream)
-    const zlib_filefunc_def* pzlib_filefunc_def;
-    voidpf filestream;
+local uLong unzlocal_SearchCentralDir(const zlib_filefunc_def* pzlib_filefunc_def, voidpf filestream)
 {
     unsigned char* buf;
     uLong uSizeFile;
@@ -394,9 +378,7 @@
      Else, the return value is a unzFile Handle, usable with other function
        of this unzip package.
 */
-extern unzFile ZEXPORT unzOpen2 (path, pzlib_filefunc_def)
-    const char *path;
-    zlib_filefunc_def* pzlib_filefunc_def;
+extern unzFile ZEXPORT unzOpen2 (const char *path, zlib_filefunc_def* pzlib_filefunc_def)
 {
     unz_s us;
     unz_s *s;
@@ -497,8 +479,7 @@
 }
 
 
-extern unzFile ZEXPORT unzOpen (path)
-    const char *path;
+extern unzFile ZEXPORT unzOpen (const char *path)
 {
     return unzOpen2(path, NULL);
 }
@@ -508,8 +489,7 @@
   If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
     these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
   return UNZ_OK if there is no problem. */
-extern int ZEXPORT unzClose (file)
-    unzFile file;
+extern int ZEXPORT unzClose (unzFile file)
 {
     unz_s* s;
     if (file==NULL)
@@ -529,9 +509,7 @@
   Write info about the ZipFile in the *pglobal_info structure.
   No preparation of the structure is needed
   return UNZ_OK if there is no problem. */
-extern int ZEXPORT unzGetGlobalInfo (file,pglobal_info)
-    unzFile file;
-    unz_global_info *pglobal_info;
+extern int ZEXPORT unzGetGlobalInfo (unzFile file, unz_global_info *pglobal_info)
 {
     unz_s* s;
     if (file==NULL)
@@ -545,9 +523,7 @@
 /*
    Translate date/time from Dos format to tm_unz (readable more easilty)
 */
-local void unzlocal_DosDateToTmuDate (ulDosDate, ptm)
-    uLong ulDosDate;
-    tm_unz* ptm;
+local void unzlocal_DosDateToTmuDate (uLong ulDosDate, tm_unz* ptm)
 {
     uLong uDate;
     uDate = (uLong)(ulDosDate>>16);
@@ -574,21 +550,12 @@
                                                   char *szComment,
                                                   uLong commentBufferSize));
 
-local int unzlocal_GetCurrentFileInfoInternal (file,
-                                              pfile_info,
-                                              pfile_info_internal,
-                                              szFileName, fileNameBufferSize,
-                                              extraField, extraFieldBufferSize,
-                                              szComment,  commentBufferSize)
-    unzFile file;
-    unz_file_info *pfile_info;
-    unz_file_info_internal *pfile_info_internal;
-    char *szFileName;
-    uLong fileNameBufferSize;
-    void *extraField;
-    uLong extraFieldBufferSize;
-    char *szComment;
-    uLong commentBufferSize;
+local int unzlocal_GetCurrentFileInfoInternal (unzFile file,
+                                              unz_file_info *pfile_info,
+                                              unz_file_info_internal *pfile_info_internal,
+                                              char *szFileName, uLong fileNameBufferSize,
+                                              void *extraField, uLong extraFieldBufferSize,
+                                              char *szComment, uLong commentBufferSize)
 {
     unz_s* s;
     unz_file_info file_info;
@@ -608,10 +575,12 @@
 
     /* we check the magic */
     if (err==UNZ_OK)
+    {
         if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
             err=UNZ_ERRNO;
         else if (uMagic!=0x02014b50)
             err=UNZ_BADZIPFILE;
+    }
 
     if (unzlocal_getShort(&s->z_filefunc, s->filestream,&file_info.version) != UNZ_OK)
         err=UNZ_ERRNO;
@@ -688,10 +657,12 @@
             uSizeRead = extraFieldBufferSize;
 
         if (lSeek!=0)
+	{
             if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
                 lSeek=0;
             else
                 err=UNZ_ERRNO;
+	}
         if ((file_info.size_file_extra>0) && (extraFieldBufferSize>0))
             if (ZREAD(s->z_filefunc, s->filestream,extraField,uSizeRead)!=uSizeRead)
                 err=UNZ_ERRNO;
@@ -713,10 +684,12 @@
             uSizeRead = commentBufferSize;
 
         if (lSeek!=0)
+	{
             if (ZSEEK(s->z_filefunc, s->filestream,lSeek,ZLIB_FILEFUNC_SEEK_CUR)==0)
                 lSeek=0;
             else
                 err=UNZ_ERRNO;
+	}
         if ((file_info.size_file_comment>0) && (commentBufferSize>0))
             if (ZREAD(s->z_filefunc, s->filestream,szComment,uSizeRead)!=uSizeRead)
                 err=UNZ_ERRNO;
@@ -741,19 +714,11 @@
   No preparation of the structure is needed
   return UNZ_OK if there is no problem.
 */
-extern int ZEXPORT unzGetCurrentFileInfo (file,
-                                          pfile_info,
-                                          szFileName, fileNameBufferSize,
-                                          extraField, extraFieldBufferSize,
-                                          szComment,  commentBufferSize)
-    unzFile file;
-    unz_file_info *pfile_info;
-    char *szFileName;
-    uLong fileNameBufferSize;
-    void *extraField;
-    uLong extraFieldBufferSize;
-    char *szComment;
-    uLong commentBufferSize;
+extern int ZEXPORT unzGetCurrentFileInfo (unzFile file,
+                                          unz_file_info *pfile_info,
+                                          char *szFileName, uLong fileNameBufferSize,
+                                          void *extraField, uLong extraFieldBufferSize,
+                                          char *szComment, uLong commentBufferSize)
 {
     return unzlocal_GetCurrentFileInfoInternal(file,pfile_info,NULL,
                                                 szFileName,fileNameBufferSize,
@@ -765,8 +730,7 @@
   Set the current file of the zipfile to the first file.
   return UNZ_OK if there is no problem
 */
-extern int ZEXPORT unzGoToFirstFile (file)
-    unzFile file;
+extern int ZEXPORT unzGoToFirstFile (unzFile file)
 {
     int err=UNZ_OK;
     unz_s* s;
@@ -787,8 +751,7 @@
   return UNZ_OK if there is no problem
   return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
 */
-extern int ZEXPORT unzGoToNextFile (file)
-    unzFile file;
+extern int ZEXPORT unzGoToNextFile (unzFile file)
 {
     unz_s* s;
     int err;
@@ -820,10 +783,7 @@
   UNZ_OK if the file is found. It becomes the current file.
   UNZ_END_OF_LIST_OF_FILE if the file is not found
 */
-extern int ZEXPORT unzLocateFile (file, szFileName, iCaseSensitivity)
-    unzFile file;
-    const char *szFileName;
-    int iCaseSensitivity;
+extern int ZEXPORT unzLocateFile (unzFile file, const char *szFileName, int iCaseSensitivity)
 {
     unz_s* s;
     int err;
@@ -899,9 +859,7 @@
 } unz_file_pos;
 */
 
-extern int ZEXPORT unzGetFilePos(file, file_pos)
-    unzFile file;
-    unz_file_pos* file_pos;
+extern int ZEXPORT unzGetFilePos(unzFile file, unz_file_pos* file_pos)
 {
     unz_s* s;
 
@@ -917,9 +875,7 @@
     return UNZ_OK;
 }
 
-extern int ZEXPORT unzGoToFilePos(file, file_pos)
-    unzFile file;
-    unz_file_pos* file_pos;
+extern int ZEXPORT unzGoToFilePos(unzFile file, unz_file_pos* file_pos)
 {
     unz_s* s;
     int err;
@@ -953,13 +909,9 @@
   store in *piSizeVar the size of extra info in local header
         (filename and size of extra field data)
 */
-local int unzlocal_CheckCurrentFileCoherencyHeader (s,piSizeVar,
-                                                    poffset_local_extrafield,
-                                                    psize_local_extrafield)
-    unz_s* s;
-    uInt* piSizeVar;
-    uLong *poffset_local_extrafield;
-    uInt  *psize_local_extrafield;
+local int unzlocal_CheckCurrentFileCoherencyHeader (unz_s* s, uInt* piSizeVar,
+                                                    uLong *poffset_local_extrafield,
+                                                    uInt *psize_local_extrafield)
 {
     uLong uMagic,uData,uFlags;
     uLong size_filename;
@@ -976,10 +928,12 @@
 
 
     if (err==UNZ_OK)
+    {
         if (unzlocal_getLong(&s->z_filefunc, s->filestream,&uMagic) != UNZ_OK)
             err=UNZ_ERRNO;
         else if (uMagic!=0x04034b50)
             err=UNZ_BADZIPFILE;
+    }
 
     if (unzlocal_getShort(&s->z_filefunc, s->filestream,&uData) != UNZ_OK)
         err=UNZ_ERRNO;
@@ -1043,12 +997,7 @@
   Open for reading data the current file in the zipfile.
   If there is no error and the file is opened, the return value is UNZ_OK.
 */
-extern int ZEXPORT unzOpenCurrentFile3 (file, method, level, raw, password)
-    unzFile file;
-    int* method;
-    int* level;
-    int raw;
-    const char* password;
+extern int ZEXPORT unzOpenCurrentFile3 (unzFile file, int* method, int* level, int raw, const char* password)
 {
     int err=UNZ_OK;
     uInt iSizeVar;
@@ -1185,24 +1134,17 @@
     return UNZ_OK;
 }
 
-extern int ZEXPORT unzOpenCurrentFile (file)
-    unzFile file;
+extern int ZEXPORT unzOpenCurrentFile (unzFile file)
 {
     return unzOpenCurrentFile3(file, NULL, NULL, 0, NULL);
 }
 
-extern int ZEXPORT unzOpenCurrentFilePassword (file, password)
-    unzFile file;
-    const char* password;
+extern int ZEXPORT unzOpenCurrentFilePassword (unzFile file, const char* password)
 {
     return unzOpenCurrentFile3(file, NULL, NULL, 0, password);
 }
 
-extern int ZEXPORT unzOpenCurrentFile2 (file,method,level,raw)
-    unzFile file;
-    int* method;
-    int* level;
-    int raw;
+extern int ZEXPORT unzOpenCurrentFile2 (unzFile file, int* method, int* level, int raw)
 {
     return unzOpenCurrentFile3(file, method, level, raw, NULL);
 }
@@ -1217,10 +1159,7 @@
   return <0 with error code if there is an error
     (UNZ_ERRNO for IO error, or zLib error for uncompress error)
 */
-extern int ZEXPORT unzReadCurrentFile  (file, buf, len)
-    unzFile file;
-    voidp buf;
-    unsigned len;
+extern int ZEXPORT unzReadCurrentFile  (unzFile file, voidp buf, unsigned len)
 {
     int err=UNZ_OK;
     uInt iRead = 0;
@@ -1235,7 +1174,7 @@
         return UNZ_PARAMERROR;
 
 
-    if ((pfile_in_zip_read_info->read_buffer == NULL))
+    if (pfile_in_zip_read_info->read_buffer == NULL)
         return UNZ_END_OF_LIST_OF_FILE;
     if (len==0)
         return 0;
@@ -1367,8 +1306,7 @@
 /*
   Give the current position in uncompressed data
 */
-extern z_off_t ZEXPORT unztell (file)
-    unzFile file;
+extern z_off_t ZEXPORT unztell (unzFile file)
 {
     unz_s* s;
     file_in_zip_read_info_s* pfile_in_zip_read_info;
@@ -1387,8 +1325,7 @@
 /*
   return 1 if the end of file was reached, 0 elsewhere
 */
-extern int ZEXPORT unzeof (file)
-    unzFile file;
+extern int ZEXPORT unzeof (unzFile file)
 {
     unz_s* s;
     file_in_zip_read_info_s* pfile_in_zip_read_info;
@@ -1420,10 +1357,7 @@
   the return value is the number of bytes copied in buf, or (if <0)
     the error code
 */
-extern int ZEXPORT unzGetLocalExtrafield (file,buf,len)
-    unzFile file;
-    voidp buf;
-    unsigned len;
+extern int ZEXPORT unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len)
 {
     unz_s* s;
     file_in_zip_read_info_s* pfile_in_zip_read_info;
@@ -1471,8 +1405,7 @@
   Close the file in zip opened with unzipOpenCurrentFile
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
-extern int ZEXPORT unzCloseCurrentFile (file)
-    unzFile file;
+extern int ZEXPORT unzCloseCurrentFile (unzFile file)
 {
     int err=UNZ_OK;
 
@@ -1514,10 +1447,7 @@
   uSizeBuf is the size of the szComment buffer.
   return the number of byte copied or an error code <0
 */
-extern int ZEXPORT unzGetGlobalComment (file, szComment, uSizeBuf)
-    unzFile file;
-    char *szComment;
-    uLong uSizeBuf;
+extern int ZEXPORT unzGetGlobalComment (unzFile file, char *szComment, uLong uSizeBuf)
 {
     int err=UNZ_OK;
     unz_s* s;